In order to adapt to the older kernel, now we split the "attach_probe"
testing into multi subtests:
manual // manual attach tests for kprobe/uprobe
auto // auto-attach tests for kprobe and uprobe
kprobe-sleepable // kprobe sleepable test
uprobe-lib // uprobe tests for library function by name
uprobe-sleepable // uprobe sleepable test
uprobe-ref_ctr // uprobe ref_ctr test
As sleepable kprobe needs to set BPF_F_SLEEPABLE flag before loading,
we need to move it to a stand alone skel file, in case of it is not
supported by kernel and make the whole loading fail.
Therefore, we can only enable part of the subtests for older kernel.
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Biao Jiang <benbjiang@tencent.com>
Link: https://lore.kernel.org/bpf/20230306064833.7932-3-imagedong@tencent.com
iommufd wants to use more infrastructure, like the iommu_group, that the
mock device does not support. Create a more complete mock device that can
go through the whole cycle of ownership, blocking domain, and has an
iommu_group.
This requires creating a real struct device on a real bus to be able to
connect it to a iommu_group. Unfortunately we cannot formally attach the
mock iommu driver as an actual driver as the iommu core does not allow
more than one driver or provide a general way for busses to link to
iommus. This can be solved with a little hack to open code the dev_iommus
struct.
With this infrastructure things work exactly the same as the normal domain
path, including the auto domains mechanism and direct attach of hwpts. As
the created hwpt is now an autodomain it is no longer required to destroy
it and trying to do so will trigger a failure.
Link: https://lore.kernel.org/r/11-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Nothing uses this for anything more than checking if a mock domain had
been created. Rename it to stdev_id to match our naming system. Currently
domain_id is the hwpt_id.
Link: https://lore.kernel.org/r/8-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
It is too confusing now that we have the 'dev_id' as part of the main
interface. Make it clear this is the special selftest device object. This
object is analogous to the VFIO device FD.
Link: https://lore.kernel.org/r/7-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Adjust log_fixup's expected buffer length to fix the test. It's pretty
finicky in its length expectation, but it doesn't break often. So just
adjust the length to work on current kernel and with follow up iterator
changes as well.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230302235015.2044271-6-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Allow to search for expected register state in all the verifier log
output that's related to specified instruction number.
See added comment for an example of possible situation that is happening
due to a simple enhancement done in the next patch, which fixes handling
of env->test_state_freq flag in state checkpointing logic.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230302235015.2044271-4-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Function verifier.c:convert_ctx_access() applies some rewrites to BPF
instructions that read or write BPF program context. This commit adds
machinery to allow test cases that inspect BPF program after these
rewrites are applied.
An example of a test case:
{
// Shorthand for field offset and size specification
N(CGROUP_SOCKOPT, struct bpf_sockopt, retval),
// Pattern generated for field read
.read = "$dst = *(u64 *)($ctx + bpf_sockopt_kern::current_task);"
"$dst = *(u64 *)($dst + task_struct::bpf_ctx);"
"$dst = *(u32 *)($dst + bpf_cg_run_ctx::retval);",
// Pattern generated for field write
.write = "*(u64 *)($ctx + bpf_sockopt_kern::tmp_reg) = r9;"
"r9 = *(u64 *)($ctx + bpf_sockopt_kern::current_task);"
"r9 = *(u64 *)(r9 + task_struct::bpf_ctx);"
"*(u32 *)(r9 + bpf_cg_run_ctx::retval) = $src;"
"r9 = *(u64 *)($ctx + bpf_sockopt_kern::tmp_reg);" ,
},
For each test case, up to three programs are created:
- One that uses BPF_LDX_MEM to read the context field.
- One that uses BPF_STX_MEM to write to the context field.
- One that uses BPF_ST_MEM to write to the context field.
The disassembly of each program is compared with the pattern specified
in the test case.
Kernel code for disassembly is reused (as is in the bpftool).
To keep Makefile changes to the minimum, symbolic links to
`kernel/bpf/disasm.c` and `kernel/bpf/disasm.h ` are added.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230304011247.566040-4-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Check that verifier tracks pointer types for BPF_ST_MEM instructions
and reports error if pointer types do not match for different
execution branches.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230304011247.566040-3-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Lift verifier restriction to use BPF_ST_MEM instructions to write to
context data structures. This requires the following changes:
- verifier.c:do_check() for BPF_ST updated to:
- no longer forbid writes to registers of type PTR_TO_CTX;
- track dst_reg type in the env->insn_aux_data[...].ptr_type field
(same way it is done for BPF_STX and BPF_LDX instructions).
- verifier.c:convert_ctx_access() and various callbacks invoked by
it are updated to handled BPF_ST instruction alongside BPF_STX.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230304011247.566040-2-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
bpf_rcu_read_lock/unlock() are only available in clang compiled kernels. Lack
of such key mechanism makes it impossible for sleepable bpf programs to use RCU
pointers.
Allow bpf_rcu_read_lock/unlock() in GCC compiled kernels (though GCC doesn't
support btf_type_tag yet) and allowlist certain field dereferences in important
data structures like tast_struct, cgroup, socket that are used by sleepable
programs either as RCU pointer or full trusted pointer (which is valid outside
of RCU CS). Use BTF_TYPE_SAFE_RCU and BTF_TYPE_SAFE_TRUSTED macros for such
tagging. They will be removed once GCC supports btf_type_tag.
With that refactor check_ptr_to_btf_access(). Make it strict in enforcing
PTR_TRUSTED and PTR_UNTRUSTED while deprecating old PTR_TO_BTF_ID without
modifier flags. There is a chance that this strict enforcement might break
existing programs (especially on GCC compiled kernels), but this cleanup has to
start sooner than later. Note PTR_TO_CTX access still yields old deprecated
PTR_TO_BTF_ID. Once it's converted to strict PTR_TRUSTED or PTR_UNTRUSTED the
kfuncs and helpers will be able to default to KF_TRUSTED_ARGS. KF_RCU will
remain as a weaker version of KF_TRUSTED_ARGS where obj refcnt could be 0.
Adjust rcu_read_lock selftest to run on gcc and clang compiled kernels.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-7-alexei.starovoitov@gmail.com
Adjust cgroup kfunc test to dereference RCU protected cgroup pointer
as PTR_TRUSTED and pass into KF_TRUSTED_ARGS kfunc.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-6-alexei.starovoitov@gmail.com
The life time of certain kernel structures like 'struct cgroup' is protected by RCU.
Hence it's safe to dereference them directly from __kptr tagged pointers in bpf maps.
The resulting pointer is MEM_RCU and can be passed to kfuncs that expect KF_RCU.
Derefrence of other kptr-s returns PTR_UNTRUSTED.
For example:
struct map_value {
struct cgroup __kptr *cgrp;
};
SEC("tp_btf/cgroup_mkdir")
int BPF_PROG(test_cgrp_get_ancestors, struct cgroup *cgrp_arg, const char *path)
{
struct cgroup *cg, *cg2;
cg = bpf_cgroup_acquire(cgrp_arg); // cg is PTR_TRUSTED and ref_obj_id > 0
bpf_kptr_xchg(&v->cgrp, cg);
cg2 = v->cgrp; // This is new feature introduced by this patch.
// cg2 is PTR_MAYBE_NULL | MEM_RCU.
// When cg2 != NULL, it's a valid cgroup, but its percpu_ref could be zero
if (cg2)
bpf_cgroup_ancestor(cg2, level); // safe to do.
}
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-4-alexei.starovoitov@gmail.com
__kptr meant to store PTR_UNTRUSTED kernel pointers inside bpf maps.
The concept felt useful, but didn't get much traction,
since bpf_rdonly_cast() was added soon after and bpf programs received
a simpler way to access PTR_UNTRUSTED kernel pointers
without going through restrictive __kptr usage.
Rename __kptr_ref -> __kptr and __kptr -> __kptr_untrusted to indicate
its intended usage.
The main goal of __kptr_untrusted was to read/write such pointers
directly while bpf_kptr_xchg was a mechanism to access refcnted
kernel pointers. The next patch will allow RCU protected __kptr access
with direct read. At that point __kptr_untrusted will be deprecated.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-2-alexei.starovoitov@gmail.com
Add test for the absolute BPF timer under the existing timer tests. This
will run the timer two times with 1us expiration time, and then re-arm
the timer at ~35s in the future. At the end, it is verified that the
absolute timer expired exactly two times.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Link: https://lore.kernel.org/r/20230302114614.2985072-3-tero.kristo@linux.intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Per C99 standard [0], Section 6.7.8, Paragraph 10:
If an object that has automatic storage duration is not initialized
explicitly, its value is indeterminate.
And in the same document, in appendix "J.2 Undefined behavior":
The behavior is undefined in the following circumstances:
[...]
The value of an object with automatic storage duration is used while
it is indeterminate (6.2.4, 6.7.8, 6.8).
This means that use of an uninitialized stack variable is undefined
behavior, and therefore that clang can choose to do a variety of scary
things, such as not generating bytecode for "bunch of useful code" in
the below example:
void some_func()
{
int i;
if (!i)
return;
// bunch of useful code
}
To add insult to injury, if some_func above is a helper function for
some BPF program, clang can choose to not generate an "exit" insn,
causing verifier to fail with "last insn is not an exit or jmp". Going
from that verification failure to the root cause of uninitialized use
is certain to be frustrating.
This patch adds -Wuninitialized to the cflags for selftest BPF progs and
fixes up existing instances of uninitialized use.
[0]: https://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf
Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Cc: David Vernet <void@manifault.com>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230303005500.1614874-1-davemarchevsky@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Extend __flag attribute by allowing to specify one of the following:
* BPF_F_STRICT_ALIGNMENT
* BPF_F_ANY_ALIGNMENT
* BPF_F_TEST_RND_HI32
* BPF_F_TEST_STATE_FREQ
* BPF_F_SLEEPABLE
* BPF_F_XDP_HAS_FRAGS
* Some numeric value
Extend __msg attribute by allowing to specify multiple exepcted messages.
All messages are expected to be present in the verifier log in the
order of application.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230301175417.3146070-2-eddyz87@gmail.com
[ Eduard: added commit message, formatting, comments ]
If target is bpf, there is no __loongarch__ definition, __BITS_PER_LONG
defaults to 32, __NR_nanosleep is not defined:
#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32
#define __NR_nanosleep 101
__SC_3264(__NR_nanosleep, sys_nanosleep_time32, sys_nanosleep)
#endif
Work around this problem, by explicitly setting __BITS_PER_LONG to
__loongarch_grlen which is defined by compiler as 64 for LA64.
This is similar with commit 36e70b9b06 ("selftests, bpf: Fix broken
riscv build").
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1677585781-21628-1-git-send-email-yangtiezhu@loongson.cn
Firstly, ensure programs successfully load when using all of the
supported maps. Then, extend existing tests to test more cases at
runtime. We are currently testing both the synchronous freeing of items
and asynchronous destruction when map is freed, but the code needs to be
adjusted a bit to be able to also accomodate support for percpu maps.
We now do a delete on the item (and update for array maps which has a
similar effect for kptrs) to perform a synchronous free of the kptr, and
test destruction both for the synchronous and asynchronous deletion.
Next time the program runs, it should observe the refcount as 1 since
all existing references should have been released by then. By running
the program after both possible paths freeing kptrs, we establish that
they correctly release resources. Next, we augment the existing test to
also test the same code path shared by all local storage maps using a
task local storage map.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20230225154010.391965-4-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Test skb and xdp dynptr functionality in the following ways:
1) progs/test_cls_redirect_dynptr.c
* Rewrite "progs/test_cls_redirect.c" test to use dynptrs to parse
skb data
* This is a great example of how dynptrs can be used to simplify a
lot of the parsing logic for non-statically known values.
When measuring the user + system time between the original version
vs. using dynptrs, and averaging the time for 10 runs (using
"time ./test_progs -t cls_redirect"):
original version: 0.092 sec
with dynptrs: 0.078 sec
2) progs/test_xdp_dynptr.c
* Rewrite "progs/test_xdp.c" test to use dynptrs to parse xdp data
When measuring the user + system time between the original version
vs. using dynptrs, and averaging the time for 10 runs (using
"time ./test_progs -t xdp_attach"):
original version: 0.118 sec
with dynptrs: 0.094 sec
3) progs/test_l4lb_noinline_dynptr.c
* Rewrite "progs/test_l4lb_noinline.c" test to use dynptrs to parse
skb data
When measuring the user + system time between the original version
vs. using dynptrs, and averaging the time for 10 runs (using
"time ./test_progs -t l4lb_all"):
original version: 0.062 sec
with dynptrs: 0.081 sec
For number of processed verifier instructions:
original version: 6268 insns
with dynptrs: 2588 insns
4) progs/test_parse_tcp_hdr_opt_dynptr.c
* Add sample code for parsing tcp hdr opt lookup using dynptrs.
This logic is lifted from a real-world use case of packet parsing
in katran [0], a layer 4 load balancer. The original version
"progs/test_parse_tcp_hdr_opt.c" (not using dynptrs) is included
here as well, for comparison.
When measuring the user + system time between the original version
vs. using dynptrs, and averaging the time for 10 runs (using
"time ./test_progs -t parse_tcp_hdr_opt"):
original version: 0.031 sec
with dynptrs: 0.045 sec
5) progs/dynptr_success.c
* Add test case "test_skb_readonly" for testing attempts at writes
on a prog type with read-only skb ctx.
* Add "test_dynptr_skb_data" for testing that bpf_dynptr_data isn't
supported for skb progs.
6) progs/dynptr_fail.c
* Add test cases "skb_invalid_data_slice{1,2,3,4}" and
"xdp_invalid_data_slice{1,2}" for testing that helpers that modify the
underlying packet buffer automatically invalidate the associated
data slice.
* Add test cases "skb_invalid_ctx" and "xdp_invalid_ctx" for testing
that prog types that do not support bpf_dynptr_from_skb/xdp don't
have access to the API.
* Add test case "dynptr_slice_var_len{1,2}" for testing that
variable-sized len can't be passed in to bpf_dynptr_slice
* Add test case "skb_invalid_slice_write" for testing that writes to a
read-only data slice are rejected by the verifier.
* Add test case "data_slice_out_of_bounds_skb" for testing that
writes to an area outside the slice are rejected.
* Add test case "invalid_slice_rdwr_rdonly" for testing that prog
types that don't allow writes to packet data don't accept any calls
to bpf_dynptr_slice_rdwr.
[0] https://github.com/facebookincubator/katran/blob/main/katran/lib/bpf/pckt_parsing.h
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230301154953.641654-11-joannelkoong@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Back in 2008 we extended the capability bits from 32 to 64, and we did
it by extending the single 32-bit capability word from one word to an
array of two words. It was then obfuscated by hiding the "2" behind two
macro expansions, with the reasoning being that maybe it gets extended
further some day.
That reasoning may have been valid at the time, but the last thing we
want to do is to extend the capability set any more. And the array of
values not only causes source code oddities (with loops to deal with
it), but also results in worse code generation. It's a lose-lose
situation.
So just change the 'u32[2]' into a 'u64' and be done with it.
We still have to deal with the fact that the user space interface is
designed around an array of these 32-bit values, but that was the case
before too, since the array layouts were different (ie user space
doesn't use an array of 32-bit values for individual capability masks,
but an array of 32-bit slices of multiple masks).
So that marshalling of data is actually simplified too, even if it does
remain somewhat obscure and odd.
This was all triggered by my reaction to the new "cap_isidentical()"
introduced recently. By just using a saner data structure, it went from
unsigned __capi;
CAP_FOR_EACH_U32(__capi) {
if (a.cap[__capi] != b.cap[__capi])
return false;
}
return true;
to just being
return a.val == b.val;
instead. Which is rather more obvious both to humans and to compilers.
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1, Make -mstrict-align configurable;
2, Add kernel relocation and KASLR support;
3, Add single kernel image implementation for kdump;
4, Add hardware breakpoints/watchpoints support;
5, Add kprobes/kretprobes/kprobes_on_ftrace support;
6, Add LoongArch support for some selftests.
-----BEGIN PGP SIGNATURE-----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=SzL5
-----END PGP SIGNATURE-----
Merge tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Make -mstrict-align configurable
- Add kernel relocation and KASLR support
- Add single kernel image implementation for kdump
- Add hardware breakpoints/watchpoints support
- Add kprobes/kretprobes/kprobes_on_ftrace support
- Add LoongArch support for some selftests.
* tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits)
selftests/ftrace: Add LoongArch kprobe args string tests support
selftests/seccomp: Add LoongArch selftesting support
tools: Add LoongArch build infrastructure
samples/kprobes: Add LoongArch support
LoongArch: Mark some assembler symbols as non-kprobe-able
LoongArch: Add kprobes on ftrace support
LoongArch: Add kretprobes support
LoongArch: Add kprobes support
LoongArch: Simulate branch and PC* instructions
LoongArch: ptrace: Add hardware single step support
LoongArch: ptrace: Add function argument access API
LoongArch: ptrace: Expose hardware breakpoints to debuggers
LoongArch: Add hardware breakpoints/watchpoints support
LoongArch: kdump: Add crashkernel=YM handling
LoongArch: kdump: Add single kernel image implementation
LoongArch: Add support for kernel address space layout randomization (KASLR)
LoongArch: Add support for kernel relocation
LoongArch: Add la_abs macro implementation
LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs
LoongArch: Use la.pcrel instead of la.abs when it's trivially possible
...
The test_local_dnat_portonly() function initiates the client-side as
soon as it sets the listening side to the background. This could lead to
a race condition where the server may not be ready to listen. To ensure
that the server-side is up and running before initiating the
client-side, a delay is introduced to the test_local_dnat_portonly()
function.
Before the fix:
# ./nft_nat.sh
PASS: netns routing/connectivity: ns0-rthlYrBU can reach ns1-rthlYrBU and ns2-rthlYrBU
PASS: ping to ns1-rthlYrBU was ip NATted to ns2-rthlYrBU
PASS: ping to ns1-rthlYrBU OK after ip nat output chain flush
PASS: ipv6 ping to ns1-rthlYrBU was ip6 NATted to ns2-rthlYrBU
2023/02/27 04:11:03 socat[6055] E connect(5, AF=2 10.0.1.99:2000, 16): Connection refused
ERROR: inet port rewrite
After the fix:
# ./nft_nat.sh
PASS: netns routing/connectivity: ns0-9sPJV6JJ can reach ns1-9sPJV6JJ and ns2-9sPJV6JJ
PASS: ping to ns1-9sPJV6JJ was ip NATted to ns2-9sPJV6JJ
PASS: ping to ns1-9sPJV6JJ OK after ip nat output chain flush
PASS: ipv6 ping to ns1-9sPJV6JJ was ip6 NATted to ns2-9sPJV6JJ
PASS: inet port rewrite without l3 address
Fixes: 282e5f8fe9 ("netfilter: nat: really support inet nat without l3 address")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Current release - regressions:
- phy: multiple fixes for EEE rework
- wifi: wext: warn about usage only once
- wifi: ath11k: allow system suspend to survive ath11k
Current release - new code bugs:
- mlx5: Fix memory leak in IPsec RoCE creation
- ibmvnic: assign XPS map to correct queue index
Previous releases - regressions:
- netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
- netfilter: ctnetlink: make event listener tracking global
- nf_tables: allow to fetch set elements when table has an owner
- mlx5:
- fix skb leak while fifo resync and push
- fix possible ptp queue fifo use-after-free
Previous releases - always broken:
- sched: fix action bind logic
- ptp: vclock: use mutex to fix "sleep on atomic" bug if driver
also uses a mutex
- netfilter: conntrack: fix rmmod double-free race
- netfilter: xt_length: use skb len to match in length_mt6,
avoid issues with BIG TCP
Misc:
- ice: remove unnecessary CONFIG_ICE_GNSS
- mlx5e: remove hairpin write debugfs files
- sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-----BEGIN PGP SIGNATURE-----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=Ko4p
-----END PGP SIGNATURE-----
Merge tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and netfilter.
The notable fixes here are the EEE fix which restores boot for many
embedded platforms (real and QEMU); WiFi warning suppression and the
ICE Kconfig cleanup.
Current release - regressions:
- phy: multiple fixes for EEE rework
- wifi: wext: warn about usage only once
- wifi: ath11k: allow system suspend to survive ath11k
Current release - new code bugs:
- mlx5: Fix memory leak in IPsec RoCE creation
- ibmvnic: assign XPS map to correct queue index
Previous releases - regressions:
- netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
- netfilter: ctnetlink: make event listener tracking global
- nf_tables: allow to fetch set elements when table has an owner
- mlx5:
- fix skb leak while fifo resync and push
- fix possible ptp queue fifo use-after-free
Previous releases - always broken:
- sched: fix action bind logic
- ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also
uses a mutex
- netfilter: conntrack: fix rmmod double-free race
- netfilter: xt_length: use skb len to match in length_mt6, avoid
issues with BIG TCP
Misc:
- ice: remove unnecessary CONFIG_ICE_GNSS
- mlx5e: remove hairpin write debugfs files
- sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
* tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
tcp: tcp_check_req() can be called from process context
net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard
xen-netback: remove unused variables pending_idx and index
net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
net: dsa: ocelot_ext: remove unnecessary phylink.h include
net: mscc: ocelot: fix duplicate driver name error
net: dsa: felix: fix internal MDIO controller resource length
net: dsa: seville: ignore mscc-miim read errors from Lynx PCS
net/sched: act_sample: fix action bind logic
net/sched: act_mpls: fix action bind logic
net/sched: act_pedit: fix action bind logic
wifi: wext: warn about usage only once
wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
qede: avoid uninitialized entries in coal_entry array
nfc: fix memory leak of se_io context in nfc_genl_se_io
ice: remove unnecessary CONFIG_ICE_GNSS
net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy()
ibmvnic: Assign XPS map to correct queue index
docs: net: fix inaccuracies in msg_zerocopy.rst
tools: net: add __pycache__ to gitignore
...
Commit bc292ab00f6c("mm: introduce vma->vm_flags wrapper functions")
turns the vm_flags into a const variable.
Added bpf_find_vma test in commit f108662b27c9("selftests/bpf: Add tests
for bpf_find_vma") to assign values to variables that declare const in
find_vma_fail1.c programs, which is an error to the compiler and does not
test BPF verifiers. It is better to replace 'const vm_flags_t vm_flags'
with 'unsigned long vm_start' for testing.
$ make -C tools/testing/selftests/bpf/ -j8
...
progs/find_vma_fail1.c:16:16: error: cannot assign to non-static data
member 'vm_flags' with const-qualified type 'const vm_flags_t' (aka
'const unsigned long')
vma->vm_flags |= 0x55;
~~~~~~~~~~~~~ ^
../tools/testing/selftests/bpf/tools/include/vmlinux.h:1898:20:
note: non-static data member 'vm_flags' declared const here
const vm_flags_t vm_flags;
~~~~~~~~~~~`~~~~~~^~~~~~~~
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/tencent_CB281722B3C1BD504C16CDE586CACC2BE706@qq.com
After commit 80d7da1cac ("asm-generic: Drop getrlimit and setrlimit
syscalls from default list"), new architectures won't need to include
getrlimit and setrlimit, they are superseded with prlimit64.
In order to maintain compatibility for the new architectures, such as
LoongArch which does not define __NR_getrlimit, it is better to use
__NR_prlimit64 instead of __NR_getrlimit in user_ringbuf test to fix
the following build error:
TEST-OBJ [test_progs] user_ringbuf.test.o
tools/testing/selftests/bpf/prog_tests/user_ringbuf.c: In function 'kick_kernel_cb':
tools/testing/selftests/bpf/prog_tests/user_ringbuf.c:593:17: error: '__NR_getrlimit' undeclared (first use in this function)
593 | syscall(__NR_getrlimit);
| ^~~~~~~~~~~~~~
tools/testing/selftests/bpf/prog_tests/user_ringbuf.c:593:17: note: each undeclared identifier is reported only once for each function it appears in
make: *** [Makefile:573: tools/testing/selftests/bpf/user_ringbuf.test.o] Error 1
make: Leaving directory 'tools/testing/selftests/bpf'
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1677235015-21717-4-git-send-email-yangtiezhu@loongson.cn
- Provide a virtual cache topology to the guest to avoid
inconsistencies with migration on heterogenous systems. Non secure
software has no practical need to traverse the caches by set/way in
the first place.
- Add support for taking stage-2 access faults in parallel. This was an
accidental omission in the original parallel faults implementation,
but should provide a marginal improvement to machines w/o FEAT_HAFDBS
(such as hardware from the fruit company).
- A preamble to adding support for nested virtualization to KVM,
including vEL2 register state, rudimentary nested exception handling
and masking unsupported features for nested guests.
- Fixes to the PSCI relay that avoid an unexpected host SVE trap when
resuming a CPU when running pKVM.
- VGIC maintenance interrupt support for the AIC
- Improvements to the arch timer emulation, primarily aimed at reducing
the trap overhead of running nested.
- Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
interest of CI systems.
- Avoid VM-wide stop-the-world operations when a vCPU accesses its own
redistributor.
- Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions
in the host.
- Aesthetic and comment/kerneldoc fixes
- Drop the vestiges of the old Columbia mailing list and add [Oliver]
as co-maintainer
This also drags in arm64's 'for-next/sme2' branch, because both it and
the PSCI relay changes touch the EL2 initialization code.
RISC-V:
- Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
- Correctly place the guest in S-mode after redirecting a trap to the guest
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
s390:
- Two patches sorting out confusion between virtual and physical
addresses, which currently are the same on s390.
- A new ioctl that performs cmpxchg on guest memory
- A few fixes
x86:
- Change tdp_mmu to a read-only parameter
- Separate TDP and shadow MMU page fault paths
- Enable Hyper-V invariant TSC control
- Fix a variety of APICv and AVIC bugs, some of them real-world,
some of them affecting architecurally legal but unlikely to
happen in practice
- Mark APIC timer as expired if its in one-shot mode and the count
underflows while the vCPU task was being migrated
- Advertise support for Intel's new fast REP string features
- Fix a double-shootdown issue in the emergency reboot code
- Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give SVM
similar treatment to VMX
- Update Xen's TSC info CPUID sub-leaves as appropriate
- Add support for Hyper-V's extended hypercalls, where "support" at this
point is just forwarding the hypercalls to userspace
- Clean up the kvm->lock vs. kvm->srcu sequences when updating the PMU and
MSR filters
- One-off fixes and cleanups
- Fix and cleanup the range-based TLB flushing code, used when KVM is
running on Hyper-V
- Add support for filtering PMU events using a mask. If userspace
wants to restrict heavily what events the guest can use, it can now
do so without needing an absurd number of filter entries
- Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
support is disabled
- Add PEBS support for Intel Sapphire Rapids
- Fix a mostly benign overflow bug in SEV's send|receive_update_data()
- Move several SVM-specific flags into vcpu_svm
x86 Intel:
- Handle NMI VM-Exits before leaving the noinstr region
- A few trivial cleanups in the VM-Enter flows
- Stop enabling VMFUNC for L1 purely to document that KVM doesn't support
EPTP switching (or any other VM function) for L1
- Fix a crash when using eVMCS's enlighted MSR bitmaps
Generic:
- Clean up the hardware enable and initialization flow, which was
scattered around multiple arch-specific hooks. Instead, just
let the arch code call into generic code. Both x86 and ARM should
benefit from not having to fight common KVM code's notion of how
to do initialization.
- Account allocations in generic kvm_arch_alloc_vm()
- Fix a memory leak if coalesced MMIO unregistration fails
selftests:
- On x86, cache the CPU vendor (AMD vs. Intel) and use the info to emit
the correct hypercall instruction instead of relying on KVM to patch
in VMMCALL
- Use TAP interface for kvm_binary_stats_test and tsc_msrs_test
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmP2YA0UHHBib256aW5p
QHJlZGhhdC5jb20ACgkQv/vSX3jHroPg/Qf+J6nT+TkIa+8Ei+fN1oMTDp4YuIOx
mXvJ9mRK9sQ+tAUVwvDz3qN/fK5mjsYbRHIDlVc5p2Q3bCrVGDDqXPFfCcLx1u+O
9U9xjkO4JxD2LS9pc70FYOyzVNeJ8VMGOBbC2b0lkdYZ4KnUc6e/WWFKJs96bK+H
duo+RIVyaMthnvbTwSv1K3qQb61n6lSJXplywS8KWFK6NZAmBiEFDAWGRYQE9lLs
VcVcG0iDJNL/BQJ5InKCcvXVGskcCm9erDszPo7w4Bypa4S9AMS42DHUaRZrBJwV
/WqdH7ckIz7+OSV0W1j+bKTHAFVTCjXYOM7wQykgjawjICzMSnnG9Gpskw==
=goe1
-----END PGP SIGNATURE-----
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- Provide a virtual cache topology to the guest to avoid
inconsistencies with migration on heterogenous systems. Non secure
software has no practical need to traverse the caches by set/way in
the first place
- Add support for taking stage-2 access faults in parallel. This was
an accidental omission in the original parallel faults
implementation, but should provide a marginal improvement to
machines w/o FEAT_HAFDBS (such as hardware from the fruit company)
- A preamble to adding support for nested virtualization to KVM,
including vEL2 register state, rudimentary nested exception
handling and masking unsupported features for nested guests
- Fixes to the PSCI relay that avoid an unexpected host SVE trap when
resuming a CPU when running pKVM
- VGIC maintenance interrupt support for the AIC
- Improvements to the arch timer emulation, primarily aimed at
reducing the trap overhead of running nested
- Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
interest of CI systems
- Avoid VM-wide stop-the-world operations when a vCPU accesses its
own redistributor
- Serialize when toggling CPACR_EL1.SMEN to avoid unexpected
exceptions in the host
- Aesthetic and comment/kerneldoc fixes
- Drop the vestiges of the old Columbia mailing list and add [Oliver]
as co-maintainer
RISC-V:
- Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
- Correctly place the guest in S-mode after redirecting a trap to the
guest
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
s390:
- Sort out confusion between virtual and physical addresses, which
currently are the same on s390
- A new ioctl that performs cmpxchg on guest memory
- A few fixes
x86:
- Change tdp_mmu to a read-only parameter
- Separate TDP and shadow MMU page fault paths
- Enable Hyper-V invariant TSC control
- Fix a variety of APICv and AVIC bugs, some of them real-world, some
of them affecting architecurally legal but unlikely to happen in
practice
- Mark APIC timer as expired if its in one-shot mode and the count
underflows while the vCPU task was being migrated
- Advertise support for Intel's new fast REP string features
- Fix a double-shootdown issue in the emergency reboot code
- Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give
SVM similar treatment to VMX
- Update Xen's TSC info CPUID sub-leaves as appropriate
- Add support for Hyper-V's extended hypercalls, where "support" at
this point is just forwarding the hypercalls to userspace
- Clean up the kvm->lock vs. kvm->srcu sequences when updating the
PMU and MSR filters
- One-off fixes and cleanups
- Fix and cleanup the range-based TLB flushing code, used when KVM is
running on Hyper-V
- Add support for filtering PMU events using a mask. If userspace
wants to restrict heavily what events the guest can use, it can now
do so without needing an absurd number of filter entries
- Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
support is disabled
- Add PEBS support for Intel Sapphire Rapids
- Fix a mostly benign overflow bug in SEV's
send|receive_update_data()
- Move several SVM-specific flags into vcpu_svm
x86 Intel:
- Handle NMI VM-Exits before leaving the noinstr region
- A few trivial cleanups in the VM-Enter flows
- Stop enabling VMFUNC for L1 purely to document that KVM doesn't
support EPTP switching (or any other VM function) for L1
- Fix a crash when using eVMCS's enlighted MSR bitmaps
Generic:
- Clean up the hardware enable and initialization flow, which was
scattered around multiple arch-specific hooks. Instead, just let
the arch code call into generic code. Both x86 and ARM should
benefit from not having to fight common KVM code's notion of how to
do initialization
- Account allocations in generic kvm_arch_alloc_vm()
- Fix a memory leak if coalesced MMIO unregistration fails
selftests:
- On x86, cache the CPU vendor (AMD vs. Intel) and use the info to
emit the correct hypercall instruction instead of relying on KVM to
patch in VMMCALL
- Use TAP interface for kvm_binary_stats_test and tsc_msrs_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (325 commits)
KVM: SVM: hyper-v: placate modpost section mismatch error
KVM: x86/mmu: Make tdp_mmu_allowed static
KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID
KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes
KVM: arm64: nv: Filter out unsupported features from ID regs
KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2
KVM: arm64: nv: Allow a sysreg to be hidden from userspace only
KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor
KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
KVM: arm64: nv: Handle SMCs taken from virtual EL2
KVM: arm64: nv: Handle trapped ERET from virtual EL2
KVM: arm64: nv: Inject HVC exceptions to the virtual EL2
KVM: arm64: nv: Support virtual EL2 exceptions
KVM: arm64: nv: Handle HCR_EL2.NV system register traps
KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state
KVM: arm64: nv: Add EL2 system registers to vcpu context
KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x
KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set
KVM: arm64: nv: Introduce nested virtualization VCPU feature
KVM: arm64: Use the S2 MMU context to iterate over S2 table
...
- Support for configuring secure boot with user-defined keys on PowerVM LPARs.
- Simplify the replay of soft-masked IRQs by making it non-recursive.
- Add support for KCSAN on 64-bit Book3S.
- Improvements to the API & code which interacts with RTAS (pseries firmware).
- Change 32-bit powermac to assign PCI bus numbers per domain by default.
- Some improvements to the 32-bit BPF JIT.
- Various other small features and fixes.
Thanks to: Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin Gray, Christophe
Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict
Glaw, Josh Poimboeuf, Kajol Jain, Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers,
Mimi Zohar, Murphy Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin,
Pali Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika Vasireddy,
Sourabh Jain, Stefan Berger, Stephen Rothwell, Sudhakar Kuppusamy.
-----BEGIN PGP SIGNATURE-----
iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmP4GnkTHG1wZUBlbGxl
cm1hbi5pZC5hdQAKCRBR6+o8yOGlgEnlEAC9UoE9JM853o9ZzpOJDrbYknHsRQad
ztQJ9xu5qjkFHHryTmWKYdiAtNDFbcfn7+1aoc5FXrIb6BOfvBo/uRFw6P501Qwv
Fg0MQyWUnT5WrI7+rBE2q+1+FaHBNKLycLNRSh5JpXtuKe2ubQfiFD80tarBnEnU
6I4bqXd+xjDtnqtpfiYnil/kdZTu/MzntdkmCne6fMkflgEQFU9EVQEnnE+imqFa
6BuCwITvZ+NyaaU+cYMeGZT7aoz9PAwkksgTxXW2gQbTIApX9WX4kYU/vbW4aHts
0bpzMmIbSbAklYIu2PQQhSU0bLfKJ+xly8E8tozHgRX6hrFlqvtmD/T5LHTBD11f
FFzKb0NUCD8qTIy6Hn0M1tj5egLpxxzATPe/kVTkxxqTlZrzdSEaqzft6syyJHJd
ueo0QN53AUyBaVMtxLbnB/U/8Vnz6rLqY+8dLKzXhjYjoPJqOZh/Qlc1Tk3syPwf
E2j4H6wFqGMTOGi453Pijkpj3qpNkNT79FG5DmClcQLJxD/EXDyffLZITrkzQa0S
FEkcMzz/Hn9Hkf7ZuNo4DN6ss6IF0vlxoi7GNr+MRR53/aVQJUDc8z24c4ICl/3w
20ETk57XMVJzP++Hb+yn16JyAawfQOOlckBRZ2O8W5YYVoes45hxDQxVoh8EII69
hb3KOGYEqF5wyA==
=ECNb
-----END PGP SIGNATURE-----
Merge tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Support for configuring secure boot with user-defined keys on PowerVM
LPARs
- Simplify the replay of soft-masked IRQs by making it non-recursive
- Add support for KCSAN on 64-bit Book3S
- Improvements to the API & code which interacts with RTAS (pseries
firmware)
- Change 32-bit powermac to assign PCI bus numbers per domain by
default
- Some improvements to the 32-bit BPF JIT
- Various other small features and fixes
Thanks to Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin
Gray, Christophe Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand,
Greg Kroah-Hartman, Jan-Benedict Glaw, Josh Poimboeuf, Kajol Jain,
Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers, Mimi Zohar, Murphy
Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin, Pali
Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika
Vasireddy, Sourabh Jain, Stefan Berger, Stephen Rothwell, and Sudhakar
Kuppusamy.
* tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (114 commits)
powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries
powerpc: dts: turris1x.dts: Set lower priority for CPLD syscon-reboot
powerpc/e500: Add missing prototype for 'relocate_init'
powerpc/64: Fix unannotated intra-function call warning
powerpc/epapr: Don't use wrteei on non booke
powerpc: Pass correct CPU reference to assembler
powerpc/mm: Rearrange if-else block to avoid clang warning
powerpc/nohash: Fix build with llvm-as
powerpc/nohash: Fix build error with binutils >= 2.38
powerpc/pseries: Fix endianness issue when parsing PLPKS secvar flags
macintosh: windfarm: Use unsigned type for 1-bit bitfields
powerpc/kexec_file: print error string on usable memory property update failure
powerpc/machdep: warn when machine_is() used too early
powerpc/64: Replace -mcpu=e500mc64 by -mcpu=e5500
powerpc/eeh: Set channel state after notifying the drivers
selftests/powerpc: Fix incorrect kernel headers search path
powerpc/rtas: arch-wide function token lookup conversions
powerpc/rtas: introduce rtas_function_token() API
powerpc/pseries/lpar: convert to papr_sysparm API
powerpc/pseries/hv-24x7: convert to papr_sysparm API
...
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL HDM
Decoder Capability to translate the CXL DVSEC Range Registers into
'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of hotplug,
or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug message
improvements.
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQSbo+XnGs+rwLz9XGXfioYZHlFsZwUCY/WYcgAKCRDfioYZHlFs
Z6m3APkBUtiEEm1o8ikdu5llUS1OTLBwqjJDwGMTyf8X/WDXhgD+J2mLsCgARS7X
5IS0RAtefutrW5sQpUucPM7QiLuraAY=
=kOXC
-----END PGP SIGNATURE-----
Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) updates from Dan Williams:
"To date Linux has been dependent on platform-firmware to map CXL RAM
regions and handle events / errors from devices. With this update we
can now parse / update the CXL memory layout, and report events /
errors from devices. This is a precursor for the CXL subsystem to
handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
for DDR-attached-DRAM is handled by the EDAC driver where it maps
system physical address events to a field-replaceable-unit (FRU /
endpoint device). In general, CXL has the potential to standardize
what has historically been a pile of memory-controller-specific error
handling logic.
Another change of note is the default policy for handling RAM-backed
device-dax instances. Previously the default access mode was "device",
mmap(2) a device special file to access memory. The new default is
"kmem" where the address range is assigned to the core-mm via
add_memory_driver_managed(). This saves typical users from wondering
why their platform memory is not visible via free(1) and stuck behind
a device-file. At the same time it allows expert users to deploy
policy to, for example, get dedicated access to high performance
memory, or hide low performance memory from general purpose kernel
allocations. This affects not only CXL, but also systems with
high-bandwidth-memory that platform-firmware tags with the
EFI_MEMORY_SP (special purpose) designation.
Summary:
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
for setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL
HDM Decoder Capability to translate the CXL DVSEC Range Registers
into 'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of
hotplug, or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug
message improvements"
* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
dax/kmem: Fix leak of memory-hotplug resources
cxl/mem: Add kdoc param for event log driver state
cxl/trace: Add serial number to trace points
cxl/trace: Add host output to trace points
cxl/trace: Standardize device information output
cxl/pci: Remove locked check for dvsec_range_allowed()
cxl/hdm: Add emulation when HDM decoders are not committed
cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
cxl/hdm: Emulate HDM decoder from DVSEC range registers
cxl/pci: Refactor cxl_hdm_decode_init()
cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
cxl: add RAS status unmasking for CXL
cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
dax/hmem: build hmem device support as module if possible
dax: cxl: add CXL_REGION dependency
cxl: avoid returning uninitialized error code
cxl/pmem: Fix nvdimm registration races
cxl/mem: Fix UAPI command comment
cxl/uapi: Tag commands from cxl_query_cmd()
...
BPF for LoongArch is supported now, add the selftesting support in
seccomp_bpf.c.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
The current mptcp test is run in init netns. If the user or default
system config disabled mptcp, the test will fail. Let's run the mptcp
test in a dedicated netns to avoid none kernel default mptcp setting.
Suggested-by: Martin KaFai Lau <martin.lau@linux.dev>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20230224061343.506571-3-liuhangbin@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
A lot of tests defined SYS() macro to run system calls with goto label.
Let's move this macro to test_progs.h and add configurable
"goto_label" as the first arg.
Suggested-by: Martin KaFai Lau <martin.lau@linux.dev>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20230224061343.506571-2-liuhangbin@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Some polishing and small fixes for iommufd:
- Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt subsystem
- Use GFP_KERNEL_ACCOUNT inside the iommu_domains
- Support VFIO_NOIOMMU mode with iommufd
- Various typos
- A list corruption bug if HWPTs are used for attach
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCY/TgzQAKCRCFwuHvBreF
Ya3AAP4/WxTJIbDvtTyH3Fae3NxTdO8j8gsUvU1vrRYG83zdnAEAxd1yii7GEO8D
crkeq9D4FUiPAkFnJ64Exw2FHb060Qg=
=RABK
-----END PGP SIGNATURE-----
Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Some polishing and small fixes for iommufd:
- Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt
subsystem
- Use GFP_KERNEL_ACCOUNT inside the iommu_domains
- Support VFIO_NOIOMMU mode with iommufd
- Various typos
- A list corruption bug if HWPTs are used for attach"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
vfio: Support VFIO_NOIOMMU with iommufd
iommufd: Add three missing structures in ucmd_buffer
selftests: iommu: Fix test_cmd_destroy_access() call in user_copy
iommu: Remove IOMMU_CAP_INTR_REMAP
irq/s390: Add arch_is_isolated_msi() for s390
iommu/x86: Replace IOMMU_CAP_INTR_REMAP with IRQ_DOMAIN_FLAG_ISOLATED_MSI
genirq/msi: Rename IRQ_DOMAIN_MSI_REMAP to IRQ_DOMAIN_ISOLATED_MSI
genirq/irqdomain: Remove unused irq_domain_check_msi_remap() code
iommufd: Convert to msi_device_has_isolated_msi()
vfio/type1: Convert to iommu_group_has_isolated_msi()
iommu: Add iommu_group_has_isolated_msi()
genirq/msi: Add msi_device_has_isolated_msi()
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()") which
does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter". These filters provide users
with finer-grained control over DAMOS's actions. SeongJae has also done
some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series "mm:
support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap
PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with his
series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings. The previous BPF-based approach had
shortcomings. See "mm: In-kernel support for memory-deny-write-execute
(MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a per-node
basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage during
compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in ths
series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's series
"mm, arch: add generic implementation of pfn_valid() for FLATMEM" and
"fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest of
the kernel in the series "Simplify the external interface for GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the series
"mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCY/PoPQAKCRDdBJ7gKXxA
jlvpAPsFECUBBl20qSue2zCYWnHC7Yk4q9ytTkPB/MMDrFEN9wD/SNKEm2UoK6/K
DmxHkn0LAitGgJRS/W9w81yrgig9tAQ=
=MlGs
-----END PGP SIGNATURE-----
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X
bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()")
which does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter".
These filters provide users with finer-grained control over DAMOS's
actions. SeongJae has also done some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series
"mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
swap PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with
his series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings.
The previous BPF-based approach had shortcomings. See "mm: In-kernel
support for memory-deny-write-execute (MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a
per-node basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage
during compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in
ths series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier
functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's
series "mm, arch: add generic implementation of pfn_valid() for
FLATMEM" and "fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest
of the kernel in the series "Simplify the external interface for
GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the
series "mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
include/linux/migrate.h: remove unneeded externs
mm/memory_hotplug: cleanup return value handing in do_migrate_range()
mm/uffd: fix comment in handling pte markers
mm: change to return bool for isolate_movable_page()
mm: hugetlb: change to return bool for isolate_hugetlb()
mm: change to return bool for isolate_lru_page()
mm: change to return bool for folio_isolate_lru()
objtool: add UACCESS exceptions for __tsan_volatile_read/write
kmsan: disable ftrace in kmsan core code
kasan: mark addr_has_metadata __always_inline
mm: memcontrol: rename memcg_kmem_enabled()
sh: initialize max_mapnr
m68k/nommu: add missing definition of ARCH_PFN_OFFSET
mm: percpu: fix incorrect size in pcpu_obj_full_size()
maple_tree: reduce stack usage with gcc-9 and earlier
mm: page_alloc: call panic() when memoryless node allocation fails
mm: multi-gen LRU: avoid futile retries
migrate_pages: move THP/hugetlb migration support check to simplify code
migrate_pages: batch flushing TLB
migrate_pages: share more code between _unmap and _move
...
- Skip negative return code check for snprintf in eprobe.
- Add recursive call test cases for kprobe unit test
- Add 'char' type to probe events to show it as the character instead of value.
- Update kselftest kprobe-event testcase to ignore '__pfx_' symbols.
- Fix kselftest to check filter on eprobe event correctly.
- Add filter on eprobe to the README file in tracefs.
- Fix optprobes to check whether there is 'under unoptimizing' optprobe when optimizing another kprobe correctly.
- Fix optprobe to check whether there is 'under unoptimizing' optprobe when fetching the original instruction correctly.
- Fix optprobe to free 'forcibly unoptimized' optprobe correctly.
-----BEGIN PGP SIGNATURE-----
iQEzBAABCgAdFiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmP0JdYACgkQ2/sHvwUr
Pxt6sQf/TD9Kwqx3XG1tnLPev6yt2nuggUippHwWUFHlJtMyUaLV8aKFqByyEe+j
tCQvrFIIJq242xg0Jac/MAf2exlWG9jsmVZPmvC1YzepOAbjXu2eBkIS7LsbeHjF
JJypNnEceffWCpNoD6nlvR0xWXenqRbZJwdsGqo3u+fXnzTurEMY2GU2xOyv39tv
S1uNLPANJxdMb/2iUsUE3hMbe82dqr8zPcApqWFtTBB6QPHI3B2SjuQHpQxwbTPl
bzAl0yQkLSQXprVzT7xJ4xLnzbl1ljgJBci5aX8BFF+VD9oYkypdfYVczBH5VsP9
E3eT9T9lRf4Q99EqxNy5uw7NqQXGQg==
=CMPb
-----END PGP SIGNATURE-----
Merge tag 'probes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull kprobes updates from Masami Hiramatsu:
- Skip negative return code check for snprintf in eprobe
- Add recursive call test cases for kprobe unit test
- Add 'char' type to probe events to show it as the character instead
of value
- Update kselftest kprobe-event testcase to ignore '__pfx_' symbols
- Fix kselftest to check filter on eprobe event correctly
- Add filter on eprobe to the README file in tracefs
- Fix optprobes to check whether there is 'under unoptimizing' optprobe
when optimizing another kprobe correctly
- Fix optprobe to check whether there is 'under unoptimizing' optprobe
when fetching the original instruction correctly
- Fix optprobe to free 'forcibly unoptimized' optprobe correctly
* tag 'probes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/eprobe: no need to check for negative ret value for snprintf
test_kprobes: Add recursed kprobe test case
tracing/probe: add a char type to show the character value of traced arguments
selftests/ftrace: Fix probepoint testcase to ignore __pfx_* symbols
selftests/ftrace: Fix eprobe syntax test case to check filter support
tracing/eprobe: Fix to add filter on eprobe description in README file
x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
x86/kprobes: Fix __recover_optprobed_insn check optimizing logic
kprobes: Fix to handle forcibly unoptimized kprobes on freeing_list
- Add function names as a way to filter function addresses
- Add sample module to test ftrace ops and dynamic trampolines
- Allow stack traces to be passed from beginning event to end event for
synthetic events. This will allow seeing the stack trace of when a task is
scheduled out and recorded when it gets scheduled back in.
- Add trace event helper __get_buf() to use as a temporary buffer when printing
out trace event output.
- Add kernel command line to create trace instances on boot up.
- Add enabling of events to instances created at boot up.
- Add trace_array_puts() to write into instances.
- Allow boot instances to take a snapshot at the end of boot up.
- Allow live patch modules to include trace events
- Minor fixes and clean ups
-----BEGIN PGP SIGNATURE-----
iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCY/PaaBQccm9zdGVkdEBn
b29kbWlzLm9yZwAKCRAp5XQQmuv6qh5iAPoD0LKZzD33rhO5Ec4hoexE0DkqycP3
dvmOMbCBL8GkxwEA+d2gLz/EquSFm166hc4D79Sn3geCqvkwmy8vQWVjIQc=
=M82D
-----END PGP SIGNATURE-----
Merge tag 'trace-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Add function names as a way to filter function addresses
- Add sample module to test ftrace ops and dynamic trampolines
- Allow stack traces to be passed from beginning event to end event for
synthetic events. This will allow seeing the stack trace of when a
task is scheduled out and recorded when it gets scheduled back in.
- Add trace event helper __get_buf() to use as a temporary buffer when
printing out trace event output.
- Add kernel command line to create trace instances on boot up.
- Add enabling of events to instances created at boot up.
- Add trace_array_puts() to write into instances.
- Allow boot instances to take a snapshot at the end of boot up.
- Allow live patch modules to include trace events
- Minor fixes and clean ups
* tag 'trace-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (31 commits)
tracing: Remove unnecessary NULL assignment
tracepoint: Allow livepatch module add trace event
tracing: Always use canonical ftrace path
tracing/histogram: Fix stacktrace histogram Documententation
tracing/histogram: Fix stacktrace key
tracing/histogram: Fix a few problems with stacktrace variable printing
tracing: Add BUILD_BUG() to make sure stacktrace fits in strings
tracing/histogram: Don't use strlen to find length of stacktrace variables
tracing: Allow boot instances to have snapshot buffers
tracing: Add trace_array_puts() to write into instance
tracing: Add enabling of events to boot instances
tracing: Add creation of instances at boot command line
tracing: Fix trace_event_raw_event_synth() if else statement
samples: ftrace: Make some global variables static
ftrace: sample: avoid open-coded 64-bit division
samples: ftrace: Include the nospec-branch.h only for x86
tracing: Acquire buffer from temparary trace sequence
tracing/histogram: Wrap remaining shell snippets in code blocks
tracing/osnoise: No need for schedule_hrtimeout range
bpf/tracing: Use stage6 of tracing to not duplicate macros
...
- Fix three instances that the tty is not given back to the console on exit.
Forcing the user to do a "reset" to get the console back.
- Fix the console monitor to not hang when too much data is given by the ssh
output.
-----BEGIN PGP SIGNATURE-----
iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCY/OmkhQccm9zdGVkdEBn
b29kbWlzLm9yZwAKCRAp5XQQmuv6qlfKAP9ijinbEXt+fuuhjB0HqmERelUBKH9g
9HiQl+yzKh2LiQEAgnOKK8j3MO1VUOlmVso38+Kc3Tp1jEr0KbooTqKiPAU=
=aoI2
-----END PGP SIGNATURE-----
Merge tag 'ktest-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt:
- Fix three instances that the tty is not given back to the console on
exit. Forcing the user to do a "reset" to get the console back.
- Fix the console monitor to not hang when too much data is given by
the ssh output.
* tag 'ktest-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Restore stty setting at first in dodie
ktest.pl: Add RUN_TIMEOUT option with default unlimited
ktest.pl: Give back console on Ctrt^C on monitor
ktest.pl: Fix missing "end_monitor" when machine check fails
This KUnit update for Linux 6.3-rc1 consists of cleanups, new features,
and documentation updates:
-- adds Function Redirection API to isolate the code being tested from
other parts of the kernel. functionredirection.rst has the details.
-----BEGIN PGP SIGNATURE-----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=PloE
-----END PGP SIGNATURE-----
Merge tag 'linux-kselftest-kunit-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit update from Shuah Khan:
- add Function Redirection API to isolate the code being tested from
other parts of the kernel.
Documentation/dev-tools/kunit/api/functionredirection.rst has the
details.
* tag 'linux-kselftest-kunit-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Add printf attribute to fail_current_test_impl
lib/hashtable_test.c: add test for the hashtable structure
Documentation: Add Function Redirection API docs
kunit: Expose 'static stub' API to redirect functions
kunit: Add "hooks" to call into KUnit when it's built as a module
kunit: kunit.py extract handlers
tools/testing/kunit/kunit.py: remove redundant double check
o Add s390 support.
o Add support for the ARM Thumb1 instruction set.
o Fix O_* flags definitions for open() and fcntl().
o Make errno a weak symbol instead of a static variable.
o Export environ as a weak symbol.
o Export _auxv as a weak symbol for auxilliary vector retrieval.
o Implement getauxval() and getpagesize().
o Further improve self tests, including permitting userland testing
of the nolibc library.
-----BEGIN PGP SIGNATURE-----
iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmPh1DITHHBhdWxtY2tA
a2VybmVsLm9yZwAKCRCevxLzctn7jJTqD/9FPv58m1ZJWP8j8EMF9p6Pd2GuYJ/F
t0tSf8Qmv0tTLqtPzZtu5E5b5bTvsgxQkQJUGLtUBf5l0AsyQt5ve5EUlzGgBHAP
8opwLEzCPUMhjq6ZsHJrmLIPwrH1reVYiAV2uIdBxLHLjGF8QLdYgqIGtguRBIHT
o9HS9RAyPxvMmV8OZqhp+NLjcEzKGloUBdcnDLURQ8Wy12vSQnALl9w1OKiN40rz
dlmXcysn8TboRWZS/DJqr/Xsg5W8ZMIfxrlopgR+FwrqutwH2ZDKgnc5ixm9YxFF
CJCM2QZO8d8UtAxllJRH3NApTCHJh6c257w4awEU97hgkHfhw0tHgRs6sOz6ho0g
O5OeOTAv0NkNNt5jGHXI4s0iQwVU/Ek6m3N8RC2GGzuMXGDcKvbFzGB4T8m8AhYL
MnyaQvuq8SWhE84c+gQgxagZ5cdm8r2hDgnSrlI7P19W5SCsQq7MNSo1WyHQ7uss
sMyxomvCC3y4pMgHcJHWwxtjR/BKjN1wtgCHCvTFcE8k98ti/ycKS6X/zQbGie/1
j20AgP0Cli2MVq+vocInvn0Gf4Ce0xxu5kB0NM8RMX+uiYNB0cJR4lIyWxt0680U
M2Ya6AnfO8Sn57BptTp+QaqZidx9IJJzrAY4QBsdzXIsyJ2kKTK8BVNIaWMQ96nB
twKV/fU0HWWcJQ==
=S+cL
-----END PGP SIGNATURE-----
Merge tag 'nolibc.2023.02.06a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney:
- Add s390 support
- Add support for the ARM Thumb1 instruction set
- Fix O_* flags definitions for open() and fcntl()
- Make errno a weak symbol instead of a static variable
- Export environ as a weak symbol
- Export _auxv as a weak symbol for auxilliary vector retrieval
- Implement getauxval() and getpagesize()
- Further improve self tests, including permitting userland testing of
the nolibc library
* tag 'nolibc.2023.02.06a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (28 commits)
selftests/nolibc: Add a "run-user" target to test the program in user land
selftests/nolibc: Support "x86_64" for arch name
selftests/nolibc: Add `getpagesize(2)` selftest
nolibc/sys: Implement `getpagesize(2)` function
nolibc/stdlib: Implement `getauxval(3)` function
tools/nolibc: add auxiliary vector retrieval for s390
tools/nolibc: add auxiliary vector retrieval for mips
tools/nolibc: add auxiliary vector retrieval for riscv
tools/nolibc: add auxiliary vector retrieval for arm
tools/nolibc: add auxiliary vector retrieval for arm64
tools/nolibc: add auxiliary vector retrieval for x86_64
tools/nolibc: add auxiliary vector retrieval for i386
tools/nolibc: export environ as a weak symbol on s390
tools/nolibc: export environ as a weak symbol on riscv
tools/nolibc: export environ as a weak symbol on mips
tools/nolibc: export environ as a weak symbol on arm
tools/nolibc: export environ as a weak symbol on arm64
tools/nolibc: export environ as a weak symbol on i386
tools/nolibc: export environ as a weak symbol on x86_64
tools/nolibc: make errno a weak symbol instead of a static one
...
Now that CONFIG_HID_BPF is not automatically implied by HID, we need
to set it properly in the selftests config.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add tests to check whether the total fib info length is calculated
corretly in route notify process.
Signed-off-by: Lu Wei <luwei32@huawei.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230222083629.335683-3-luwei32@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix broken listing of set elements when table has an owner.
2) Fix conntrack refcount leak in ctnetlink with related conntrack
entries, from Hangyu Hua.
3) Fix use-after-free/double-free in ctnetlink conntrack insert path,
from Florian Westphal.
4) Fix ip6t_rpfilter with VRF, from Phil Sutter.
5) Fix use-after-free in ebtables reported by syzbot, also from Florian.
6) Use skb->len in xt_length to deal with IPv6 jumbo packets,
from Xin Long.
7) Fix NETLINK_LISTEN_ALL_NSID with ctnetlink, from Florian Westphal.
8) Fix memleak in {ip_,ip6_,arp_}tables in ENOMEM error case,
from Pavel Tikhomirov.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: x_tables: fix percpu counter block leak on error path when creating new netns
netfilter: ctnetlink: make event listener tracking global
netfilter: xt_length: use skb len to match in length_mt6
netfilter: ebtables: fix table blob use-after-free
netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
netfilter: conntrack: fix rmmod double-free race
netfilter: ctnetlink: fix possible refcount leak in ctnetlink_create_conntrack()
netfilter: nf_tables: allow to fetch set elements when table has an owner
====================
Link: https://lore.kernel.org/r/20230222092137.88637-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Kernel's flow dissector continues to parse the packet when
the (optional) IPv6 flow label is empty even when instructed
to stop (via BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL). Do
the same in our reference BPF reimplementation.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230221180518.2139026-1-sdf@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
