[ Upstream commit b34f4de6d3 ]
'qos_pfc' test checks PFC behavior. The idea is to limit the traffic
using a shaper somewhere in the flow of the packets. In this area, the
buffer is smaller than the buffer at the beginning of the flow, so it fills
up until there is no more space left. The test configures there PFC
which is supposed to notice that the headroom is filling up and send PFC
Xoff to indicate the transmitter to stop sending traffic for the priorities
sharing this PG.
The Xon/Xoff threshold is auto-configured and always equal to
2*(MTU rounded up to cell size). Even after sending the PFC Xoff packet,
traffic will keep arriving until the transmitter receives and processes
the PFC packet. This amount of traffic is known as the PFC delay allowance.
Currently the buffer for the delay traffic is configured as 100KB. The
MTU in the test is 10KB, therefore the threshold for Xoff is about 20KB.
This allows 80KB extra to be stored in this buffer.
8-lane ports use two buffers among which the configured buffer is split,
the Xoff threshold then applies to each buffer in parallel.
The test does not take into account the behavior of 8-lane ports, when the
ports are configured to 400Gbps with 8 lanes or 800Gbps with 8 lanes,
packets are dropped and the test fails.
Check if the relevant ports use 8 lanes, in such case double the size of
the buffer, as the headroom is split half-half.
Cc: Shuah Khan <shuah@kernel.org>
Fixes: bfa804784e ("selftests: mlxsw: Add a PFC test")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/23ff11b7dff031eb04a41c0f5254a2b636cd8ebb.1705502064.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 483ae90d8f ]
When tc filters are first added to a net device, the corresponding local
port gets bound to an ACL group in the device. The group contains a list
of ACLs. In turn, each ACL points to a different TCAM region where the
filters are stored. During forwarding, the ACLs are sequentially
evaluated until a match is found.
One reason to place filters in different regions is when they are added
with decreasing priorities and in an alternating order so that two
consecutive filters can never fit in the same region because of their
key usage.
In Spectrum-2 and newer ASICs the firmware started to report that the
maximum number of ACLs in a group is more than 16, but the layout of the
register that configures ACL groups (PAGT) was not updated to account
for that. It is therefore possible to hit stack corruption [1] in the
rare case where more than 16 ACLs in a group are required.
Fix by limiting the maximum ACL group size to the minimum between what
the firmware reports and the maximum ACLs that fit in the PAGT register.
Add a test case to make sure the machine does not crash when this
condition is hit.
[1]
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: mlxsw_sp_acl_tcam_group_update+0x116/0x120
[...]
dump_stack_lvl+0x36/0x50
panic+0x305/0x330
__stack_chk_fail+0x15/0x20
mlxsw_sp_acl_tcam_group_update+0x116/0x120
mlxsw_sp_acl_tcam_group_region_attach+0x69/0x110
mlxsw_sp_acl_tcam_vchunk_get+0x492/0xa20
mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0
mlxsw_sp_acl_rule_add+0x47/0x240
mlxsw_sp_flower_replace+0x1a9/0x1d0
tc_setup_cb_add+0xdc/0x1c0
fl_hw_replace_filter+0x146/0x1f0
fl_change+0xc17/0x1360
tc_new_tfilter+0x472/0xb90
rtnetlink_rcv_msg+0x313/0x3b0
netlink_rcv_skb+0x58/0x100
netlink_unicast+0x244/0x390
netlink_sendmsg+0x1e4/0x440
____sys_sendmsg+0x164/0x260
___sys_sendmsg+0x9a/0xe0
__sys_sendmsg+0x7a/0xc0
do_syscall_64+0x40/0xe0
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Fixes: c3ab435466 ("mlxsw: spectrum: Extend to support Spectrum-2 ASIC")
Reported-by: Orel Hagag <orelh@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/2d91c89afba59c22587b444994ae419dbea8d876.1705502064.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6d6eeabcfa ]
Lately, a bug was found when many TC filters are added - at some point,
several bugs are printed to dmesg [1] and the switch is crashed with
segmentation fault.
The issue starts when gen_pool_free() fails because of unexpected
behavior - a try to free memory which is already freed, this leads to BUG()
call which crashes the switch and makes many other bugs.
Trying to track down the unexpected behavior led to a bug in eRP code. The
function mlxsw_sp_acl_erp_table_alloc() gets a pointer to the allocated
index, sets the value and returns an error code. When gen_pool_alloc()
fails it returns address 0, we track it and return -ENOBUFS outside, BUT
the call for gen_pool_alloc() already override the index in erp_table
structure. This is a problem when such allocation is done as part of
table expansion. This is not a new table, which will not be used in case
of allocation failure. We try to expand eRP table and override the
current index (non-zero) with zero. Then, it leads to an unexpected
behavior when address 0 is freed twice. Note that address 0 is valid in
erp_table->base_index and indeed other tables use it.
gen_pool_alloc() fails in case that there is no space left in the
pre-allocated pool, in our case, the pool is limited to
ACL_MAX_ERPT_BANK_SIZE, which is read from hardware. When more than max
erp entries are required, we exceed the limit and return an error, this
error leads to "Failed to migrate vregion" print.
Fix this by changing erp_table->base_index only in case of a successful
allocation.
Add a test case for such a scenario. Without this fix it causes
segmentation fault:
$ TESTS="max_erp_entries_test" ./tc_flower.sh
./tc_flower.sh: line 988: 1560 Segmentation fault tc filter del dev $h2 ingress chain $i protocol ip pref $i handle $j flower &>/dev/null
[1]:
kernel BUG at lib/genalloc.c:508!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 6 PID: 3531 Comm: tc Not tainted 6.7.0-rc5-custom-ga6893f479f5e #1
Hardware name: Mellanox Technologies Ltd. MSN4700/VMOD0010, BIOS 5.11 07/12/2021
RIP: 0010:gen_pool_free_owner+0xc9/0xe0
...
Call Trace:
<TASK>
__mlxsw_sp_acl_erp_table_other_dec+0x70/0xa0 [mlxsw_spectrum]
mlxsw_sp_acl_erp_mask_destroy+0xf5/0x110 [mlxsw_spectrum]
objagg_obj_root_destroy+0x18/0x80 [objagg]
objagg_obj_destroy+0x12c/0x130 [objagg]
mlxsw_sp_acl_erp_mask_put+0x37/0x50 [mlxsw_spectrum]
mlxsw_sp_acl_ctcam_region_entry_remove+0x74/0xa0 [mlxsw_spectrum]
mlxsw_sp_acl_ctcam_entry_del+0x1e/0x40 [mlxsw_spectrum]
mlxsw_sp_acl_tcam_ventry_del+0x78/0xd0 [mlxsw_spectrum]
mlxsw_sp_flower_destroy+0x4d/0x70 [mlxsw_spectrum]
mlxsw_sp_flow_block_cb+0x73/0xb0 [mlxsw_spectrum]
tc_setup_cb_destroy+0xc1/0x180
fl_hw_destroy_filter+0x94/0xc0 [cls_flower]
__fl_delete+0x1ac/0x1c0 [cls_flower]
fl_destroy+0xc2/0x150 [cls_flower]
tcf_proto_destroy+0x1a/0xa0
...
mlxsw_spectrum3 0000:07:00.0: Failed to migrate vregion
mlxsw_spectrum3 0000:07:00.0: Failed to migrate vregion
Fixes: f465261aa1 ("mlxsw: spectrum_acl: Implement common eRP core")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/4cfca254dfc0e5d283974801a24371c7b6db5989.1705502064.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit c2518da8e6 ]
The tests changed by this patch, as well as the scripts they source, use
features which are not part of POSIX sh (ex. 'source' and 'local'). As a
result, these tests fail when /bin/sh is dash such as on Debian. Change the
interpreter to bash so that these tests can run successfully.
Fixes: d43eff0b85 ("selftests: bonding: up/down delay w/ slave link flapping")
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 981cf568a8 ]
When building whole selftests on arm64, rsync gives an erorr about sgx:
rsync: [sender] link_stat "/root/linux-next/tools/testing/selftests/sgx/test_encl.elf" failed: No such file or directory (2)
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1327) [sender=3.2.5]
The root casue is sgx only used on X86_64, and shall be skipped on other
platforms.
Fix this by moving TEST_CUSTOM_PROGS and TEST_FILES inside the if check,
then the build result will be "Skipping non-existent dir: sgx".
Fixes: 2adcba79e6 ("selftests/x86: Add a selftest for SGX")
Signed-off-by: Zhao Mengmeng <zhaomengmeng@kylinos.cn>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/all/20231206025605.3965302-1-zhaomzhao%40126.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 853a57a43e ]
Add the "memory" clobber to the EMODPE and EACCEPT asm blocks to tell the
compiler the assembly code accesses to the secinfo struct. This ensures
the compiler treats the asm block as a memory barrier and the write to
secinfo will be visible to ENCLU.
Fixes: 20404a8085 ("selftests/sgx: Add test for EPCM permission changes")
Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/all/20231005153854.25566-4-jo.vanbulck%40cs.kuleuven.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b84fc2e013 ]
Ensure sym_tab and sym_names are zero-initialized and add an early-out
condition in the unlikely (erroneous) case that the enclave ELF file would
not contain a symbol table.
This addresses -Werror=maybe-uninitialized compiler warnings for gcc -O2.
Fixes: 33c5aac3bf ("selftests/sgx: Test complete changing of page type flow")
Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/all/20231005153854.25566-3-jo.vanbulck%40cs.kuleuven.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 79eba8c924 ]
Ensure ctx is zero-initialized, such that the encl_measure function will
not call EVP_MD_CTX_destroy with an uninitialized ctx pointer in case of an
early error during key generation.
Fixes: 2adcba79e6 ("selftests/x86: Add a selftest for SGX")
Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/all/20231005153854.25566-2-jo.vanbulck%40cs.kuleuven.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 727a92d62f upstream.
This is a follow up to:
commit b8e3a87a62 ("bpf: Add crosstask check to __bpf_get_stack").
This test ensures that the task iterator only gets a single
user stack (for the current task).
Signed-off-by: Jordan Rome <linux@jordanrome.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20231112023010.144675-1-linux@jordanrome.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit fd38dd6abd ]
GCC 13.2.0 reported the warning of the print format specifier:
conf.c: In function ‘sysfs_get’:
conf.c:181:72: warning: format ‘%s’ expects argument of type ‘char *’, \
but argument 3 has type ‘int’ [-Wformat=]
181 | ksft_exit_fail_msg("sysfs: unable to read value '%s': %s\n",
| ~^
| |
| char *
| %d
The fix passes strerror(errno) as it was intended, like in the sibling error
exit message.
Fixes: aba51cd094 ("selftests: alsa - add PCM test")
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-sound@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240107173704.937824-5-mirsad.todorovac@alu.unizg.hr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3f47c1ebe5 ]
The GCC 13.2.0 compiler issued the following warning:
mixer-test.c: In function ‘ctl_value_index_valid’:
mixer-test.c:322:79: warning: format ‘%lld’ expects argument of type ‘long long int’, \
but argument 5 has type ‘long int’ [-Wformat=]
322 | ksft_print_msg("%s.%d value %lld more than maximum %lld\n",
| ~~~^
| |
| long long int
| %ld
323 | ctl->name, index, int64_val,
324 | snd_ctl_elem_info_get_max(ctl->info));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| long int
Fixing the format specifier as advised by the compiler suggestion removes the
warning.
Fixes: 3f48b137d8 ("kselftest: alsa: Factor out check that values meet constraints")
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-sound@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240107173704.937824-3-mirsad.todorovac@alu.unizg.hr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8c51c13dc6 ]
Minor fix in the number of arguments to error reporting function in the
test program as reported by GCC 13.2.0 warning.
mixer-test.c: In function ‘find_controls’:
mixer-test.c:169:44: warning: too many arguments for format [-Wformat-extra-args]
169 | ksft_exit_fail_msg("snd_ctl_poll_descriptors() failed for %d\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The number of arguments in call to ksft_exit_fail_msg() doesn't correspond
to the format specifiers, so this is adjusted resembling the sibling calls
to the error function.
Fixes: b1446bda56 ("kselftest: alsa: Check for event generation when we write to controls")
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-sound@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240107173704.937824-2-mirsad.todorovac@alu.unizg.hr
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a33e9da347 ]
When running fib_nexthop_multiprefix test I saw all IPv6 test failed.
e.g.
]# ./fib_nexthop_multiprefix.sh
TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ]
TEST: IPv6: host 0 to host 1, mtu 1300 [FAIL]
With -v it shows
COMMAND: ip netns exec h0 /usr/sbin/ping6 -s 1350 -c5 -w5 2001:db8:101::1
PING 2001:db8:101::1(2001:db8:101::1) 1350 data bytes
From 2001:db8:100::64 icmp_seq=1 Packet too big: mtu=1300
--- 2001:db8:101::1 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms
Route get
2001:db8:101::1 via 2001:db8:100::64 dev eth0 src 2001:db8:100::1 metric 1024 expires 599sec mtu 1300 pref medium
Searching for:
2001:db8:101::1 from :: via 2001:db8:100::64 dev eth0 src 2001:db8:100::1 .* mtu 1300
The reason is when CONFIG_IPV6_SUBTREES is not enabled, rt6_fill_node() will
not put RTA_SRC info. After fix:
]# ./fib_nexthop_multiprefix.sh
TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ]
TEST: IPv6: host 0 to host 1, mtu 1300 [ OK ]
Fixes: 735ab2f65d ("selftests: Add test with multiple prefixes using single nexthop")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20231213060856.4030084-7-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2e1d6a0411 ]
Fix test broken by shared umem test and framework enhancement commit.
Correct the current implementation of pkt_stream_replace_half() by
ensuring that nb_valid_entries are not set to half, as this is not true
for all the tests. Ensure that the expected value for valid_entries for
the SEND_RECEIVE_UNALIGNED test equals the total number of packets sent,
which is 4096.
Create a new function called pkt_stream_pkt_set() that allows for packet
modification to meet specific requirements while ensuring the accurate
maintenance of the valid packet count to prevent inconsistencies in packet
tracking.
Fixes: 6d198a89c0 ("selftests/xsk: Add a test for shared umem feature")
Reported-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tushar Vyavahare <tushar.vyavahare@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20231214130007.33281-1-tushar.vyavahare@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6b4a64bafd ]
Privileged programs are supposed to be able to read uninitialized stack
memory (ever since 6715df8d5) but, before this patch, these accesses
were permitted inconsistently. In particular, accesses were permitted
above state->allocated_stack, but not below it. In other words, if the
stack was already "large enough", the access was permitted, but
otherwise the access was rejected instead of being allowed to "grow the
stack". This undesired rejection was happening in two places:
- in check_stack_slot_within_bounds()
- in check_stack_range_initialized()
This patch arranges for these accesses to be permitted. A bunch of tests
that were relying on the old rejection had to change; all of them were
changed to add also run unprivileged, in which case the old behavior
persists. One tests couldn't be updated - global_func16 - because it
can't run unprivileged for other reasons.
This patch also fixes the tracking of the stack size for variable-offset
reads. This second fix is bundled in the same commit as the first one
because they're inter-related. Before this patch, writes to the stack
using registers containing a variable offset (as opposed to registers
with fixed, known values) were not properly contributing to the
function's needed stack size. As a result, it was possible for a program
to verify, but then to attempt to read out-of-bounds data at runtime
because a too small stack had been allocated for it.
Each function tracks the size of the stack it needs in
bpf_subprog_info.stack_depth, which is maintained by
update_stack_depth(). For regular memory accesses, check_mem_access()
was calling update_state_depth() but it was passing in only the fixed
part of the offset register, ignoring the variable offset. This was
incorrect; the minimum possible value of that register should be used
instead.
This tracking is now fixed by centralizing the tracking of stack size in
grow_stack_state(), and by lifting the calls to grow_stack_state() to
check_stack_access_within_bounds() as suggested by Andrii. The code is
now simpler and more convincingly tracks the correct maximum stack size.
check_stack_range_initialized() can now rely on enough stack having been
allocated for the access; this helps with the fix for the first issue.
A few tests were changed to also check the stack depth computation. The
one that fails without this patch is verifier_var_off:stack_write_priv_vs_unpriv.
Fixes: 01f810ace9 ("bpf: Allow variable-offset stack access")
Reported-by: Hao Sun <sunhao.th@gmail.com>
Signed-off-by: Andrei Matei <andreimatei1@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20231208032519.260451-3-andreimatei1@gmail.com
Closes: https://lore.kernel.org/bpf/CABWLsev9g8UP_c3a=1qbuZUi20tGoUXoU07FPf-5FLvhOKOY+Q@mail.gmail.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7f770d28f2 ]
When do arping, the interface need to be specified. Or we will
get error: Interface "lo" is not ARPable. And the test failed.
]# ./arp_ndisc_untracked_subnets.sh
TEST: test_arp: accept_arp=0 [ OK ]
TEST: test_arp: accept_arp=1 [FAIL]
TEST: test_arp: accept_arp=2 same_subnet=0 [ OK ]
TEST: test_arp: accept_arp=2 same_subnet=1 [FAIL]
After fix:
]# ./arp_ndisc_untracked_subnets.sh
TEST: test_arp: accept_arp=0 [ OK ]
TEST: test_arp: accept_arp=1 [ OK ]
TEST: test_arp: accept_arp=2 same_subnet=0 [ OK ]
TEST: test_arp: accept_arp=2 same_subnet=1 [ OK ]
Fixes: 0ea7b0a454 ("selftests: net: arp_ndisc_untracked_subnets: test for arp_accept and accept_untracked_na")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b6a3451e08 ]
xdp_synproxy_kern.c is a BPF program that generates SYN cookies on
allowed TCP ports and sends SYNACKs to clients, accelerating synproxy
iptables module.
Fix the bitmask operation when checking the status of an existing
conntrack entry within tcp_lookup() function. Do not AND with the bit
position number, but with the bitmask value to check whether the entry
found has the IPS_CONFIRMED flag set.
Fixes: fb5cd0ce70 ("selftests/bpf: Add selftests for raw syncookie helpers")
Signed-off-by: Jeroen van Ingen Schenau <jeroen.vaningenschenau@novoserve.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Minh Le Hoang <minh.lehoang@novoserve.com>
Link: https://lore.kernel.org/xdp-newbies/CAAi1gX7owA+Tcxq-titC-h-KPM7Ri-6ZhTNMhrnPq5gmYYwKow@mail.gmail.com/T/#u
Link: https://lore.kernel.org/bpf/20231130120353.3084-1-jeroen.vaningenschenau@novoserve.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9dbd592740 ]
The FPU & VMX preemption tests do not check for errors returned by the
low-level asm routines, preempt_fpu() / preempt_vsx() respectively.
That means any register corruption detected by the asm routines does not
result in a test failure.
Fix it by returning the return value of the asm routines from the
pthread child routines.
Fixes: e5ab8be68e ("selftests/powerpc: Test preservation of FPU and VMX regs across preemption")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231128132748.1990179-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
Current release - regressions:
- Revert "net: ipv6/addrconf: clamp preferred_lft to the minimum
required", it caused issues on networks where routers send prefixes
with preferred_lft=0
- wifi:
- iwlwifi: pcie: don't synchronize IRQs from IRQ, prevent deadlock
- mac80211: fix re-adding debugfs entries during reconfiguration
Current release - new code bugs:
- tcp: print AO/MD5 messages only if there are any keys
Previous releases - regressions:
- virtio_net: fix missing dma unmap for resize, prevent OOM
Previous releases - always broken:
- mptcp: prevent tcp diag from closing listener subflows
- nf_tables:
- set transport header offset for egress hook, fix IPv4 mangling
- skip set commit for deleted/destroyed sets, avoid double deactivation
- nat: make sure action is set for all ct states, fix openvswitch
matching on ICMP packets in related state
- eth: mlxbf_gige: fix receive hang under heavy traffic
- eth: r8169: fix PCI error on system resume for RTL8168FP
- net: add missing getsockopt(SO_TIMESTAMPING_NEW) and cmsg handling
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and netfilter.
We haven't accumulated much over the break. If it wasn't for the
uninterrupted stream of fixes for Intel drivers this PR would be very
slim. There was a handful of user reports, however, either they stood
out because of the lower traffic or users have had more time to test
over the break. The ones which are v6.7-relevant should be wrapped up.
Current release - regressions:
- Revert "net: ipv6/addrconf: clamp preferred_lft to the minimum
required", it caused issues on networks where routers send prefixes
with preferred_lft=0
- wifi:
- iwlwifi: pcie: don't synchronize IRQs from IRQ, prevent deadlock
- mac80211: fix re-adding debugfs entries during reconfiguration
Current release - new code bugs:
- tcp: print AO/MD5 messages only if there are any keys
Previous releases - regressions:
- virtio_net: fix missing dma unmap for resize, prevent OOM
Previous releases - always broken:
- mptcp: prevent tcp diag from closing listener subflows
- nf_tables:
- set transport header offset for egress hook, fix IPv4 mangling
- skip set commit for deleted/destroyed sets, avoid double deactivation
- nat: make sure action is set for all ct states, fix openvswitch
matching on ICMP packets in related state
- eth: mlxbf_gige: fix receive hang under heavy traffic
- eth: r8169: fix PCI error on system resume for RTL8168FP
- net: add missing getsockopt(SO_TIMESTAMPING_NEW) and cmsg handling"
* tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (52 commits)
net/tcp: Only produce AO/MD5 logs if there are any keys
net: Implement missing SO_TIMESTAMPING_NEW cmsg support
bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()
net: ravb: Wait for operating mode to be applied
asix: Add check for usbnet_get_endpoints
octeontx2-af: Re-enable MAC TX in otx2_stop processing
octeontx2-af: Always configure NIX TX link credits based on max frame size
net/smc: fix invalid link access in dumping SMC-R connections
net/qla3xxx: fix potential memleak in ql_alloc_buffer_queues
virtio_net: fix missing dma unmap for resize
igc: Fix hicredit calculation
ice: fix Get link status data length
i40e: Restore VF MSI-X state during PCI reset
i40e: fix use-after-free in i40e_aqc_add_filters()
net: Save and restore msg_namelen in sock_sendmsg
netfilter: nft_immediate: drop chain reference counter on error
netfilter: nf_nat: fix action not being set for all ct states
net: bcmgenet: Fix FCS generation for fragmented skbuffs
mptcp: prevent tcp diag from closing listener subflows
MAINTAINERS: add Geliang as reviewer for MPTCP
...
Similar to commit be80942465 ("selftests: bonding: do not set port down
before adding to bond"). The bond-arp-interval-causes-panic test failed
after commit a4abfa627c ("net: rtnetlink: Enslave device before bringing
it up") as the kernel will set the port down _after_ adding to bond if setting
port down specifically.
Fix it by removing the link down operation when adding to bond.
Fixes: 2ffd57327f ("selftests: bonding: cause oops in bond_rr_gen_slave_id")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Tested-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
are not considered backporting material.
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Merge tag 'mm-hotfixes-stable-2023-12-27-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"11 hotfixes. 7 are cc:stable and the other 4 address post-6.6 issues
or are not considered backporting material"
* tag 'mm-hotfixes-stable-2023-12-27-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: add an old address for Naoya Horiguchi
mm/memory-failure: cast index to loff_t before shifting it
mm/memory-failure: check the mapcount of the precise page
mm/memory-failure: pass the folio and the page to collect_procs()
selftests: secretmem: floor the memory size to the multiple of page_size
mm: migrate high-order folios in swap cache correctly
maple_tree: do not preallocate nodes for slot stores
mm/filemap: avoid buffered read/write race to read inconsistent data
kunit: kasan_test: disable fortify string checker on kmalloc_oob_memset
kexec: select CRYPTO from KEXEC_FILE instead of depending on it
kexec: fix KEXEC_FILE dependencies
- Fix a race condition in updating external interrupt for
trap-n-emulated IMSIC swfile
- Fix print_reg defaults in get-reg-list selftest
ARM:
- Ensure a vCPU's redistributor is unregistered from the MMIO bus
if vCPU creation fails
- Fix building KVM selftests for arm64 from the top-level Makefile
x86:
- Fix breakage for SEV-ES guests that use XSAVES.
Selftests:
- Fix bad use of strcat(), by not using strcat() at all
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"RISC-V:
- Fix a race condition in updating external interrupt for
trap-n-emulated IMSIC swfile
- Fix print_reg defaults in get-reg-list selftest
ARM:
- Ensure a vCPU's redistributor is unregistered from the MMIO bus if
vCPU creation fails
- Fix building KVM selftests for arm64 from the top-level Makefile
x86:
- Fix breakage for SEV-ES guests that use XSAVES
Selftests:
- Fix bad use of strcat(), by not using strcat() at all"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SEV: Do not intercept accesses to MSR_IA32_XSS for SEV-ES guests
KVM: selftests: Fix dynamic generation of configuration names
RISCV: KVM: update external interrupt atomically for IMSIC swfile
KVM: riscv: selftests: Fix get-reg-list print_reg defaults
KVM: selftests: Ensure sysreg-defs.h is generated at the expected path
KVM: Convert comment into an assertion in kvm_io_bus_register_dev()
KVM: arm64: vgic: Ensure that slots_lock is held in vgic_register_all_redist_iodevs()
KVM: arm64: vgic: Force vcpu vgic teardown on vcpu destroy
KVM: arm64: vgic: Add a non-locking primitive for kvm_vgic_vcpu_destroy()
KVM: arm64: vgic: Simplify kvm_vgic_destroy()
- Ensure a vCPU's redistributor is unregistered from the MMIO bus
if vCPU creation fails
- Fix building KVM selftests for arm64 from the top-level Makefile
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Merge tag 'kvmarm-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for 6.7, part #2
- Ensure a vCPU's redistributor is unregistered from the MMIO bus
if vCPU creation fails
- Fix building KVM selftests for arm64 from the top-level Makefile
Apparently there were so many kids wishing bug fixes that made Santa
busy; here we have lots of fixes although it's a bit late.
But all changes are device-specific, hence it should be relatively
safe to apply.
Most of changes are for Cirrus codecs (for both ASoC and HD-audio),
while the remaining are fixes for TI codecs, HD-audio and USB-audio
quirks.
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Merge tag 'sound-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Apparently there were so many kids wishing bug fixes that made Santa
busy; here we have lots of fixes although it's a bit late. But all
changes are device-specific, hence it should be relatively safe to
apply.
Most of changes are for Cirrus codecs (for both ASoC and HD-audio),
while the remaining are fixes for TI codecs, HD-audio and USB-audio
quirks"
* tag 'sound-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
ALSA: hda: cs35l41: Only add SPI CS GPIO if SPI is enabled in kernel
ALSA: hda: cs35l41: Do not allow uninitialised variables to be freed
ASoC: fsl_sai: Fix channel swap issue on i.MX8MP
ASoC: hdmi-codec: fix missing report for jack initial status
ALSA: hda/realtek: Add quirks for ASUS Zenbook 2023 Models
ALSA: hda: cs35l41: Support additional ASUS Zenbook 2023 Models
ALSA: hda/realtek: Add quirks for ASUS Zenbook 2022 Models
ALSA: hda: cs35l41: Support additional ASUS Zenbook 2022 Models
ALSA: hda/realtek: Add quirks for ASUS ROG 2023 models
ALSA: hda: cs35l41: Support additional ASUS ROG 2023 models
ALSA: hda: cs35l41: Add config table to support many laptops without _DSD
ASoC: Intel: bytcr_rt5640: Add new swapped-speakers quirk
ASoC: Intel: bytcr_rt5640: Add quirk for the Medion Lifetab S10346
kselftest: alsa: fixed a print formatting warning
ALSA: usb-audio: Increase delay in MOTU M quirk
ASoC: tas2781: check the validity of prm_no/cfg_no
ALSA: hda/tas2781: select program 0, conf 0 by default
ALSA: hda/realtek: Add quirk for ASUS ROG GV302XA
ASoC: cs42l43: Don't enable bias sense during type detect
ASoC: Intel: soc-acpi-intel-mtl-match: Change CS35L56 prefixes to AMPn
...
Current release - regressions:
- bpf: syzkaller found null ptr deref in unix_bpf proto add
- eth: i40e: fix ST code value for clause 45
Previous releases - regressions:
- core: return error from sk_stream_wait_connect() if sk_wait_event() fails
- ipv6: revert remove expired routes with a separated list of routes
- wifi rfkill:
- set GPIO direction
- fix crash with WED rx support enabled
- bluetooth:
- fix deadlock in vhci_send_frame
- fix use-after-free in bt_sock_recvmsg
- eth: mlx5e: fix a race in command alloc flow
- eth: ice: fix PF with enabled XDP going no-carrier after reset
- eth: bnxt_en: do not map packet buffers twice
Previous releases - always broken:
- core:
- check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev()
- check dev->gso_max_size in gso_features_check()
- mptcp: fix inconsistent state on fastopen race
- phy: skip LED triggers on PHYs on SFP modules
- eth: mlx5e:
- fix double free of encap_header
- fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list()
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from WiFi and bpf.
Current release - regressions:
- bpf: syzkaller found null ptr deref in unix_bpf proto add
- eth: i40e: fix ST code value for clause 45
Previous releases - regressions:
- core: return error from sk_stream_wait_connect() if sk_wait_event()
fails
- ipv6: revert remove expired routes with a separated list of routes
- wifi rfkill:
- set GPIO direction
- fix crash with WED rx support enabled
- bluetooth:
- fix deadlock in vhci_send_frame
- fix use-after-free in bt_sock_recvmsg
- eth: mlx5e: fix a race in command alloc flow
- eth: ice: fix PF with enabled XDP going no-carrier after reset
- eth: bnxt_en: do not map packet buffers twice
Previous releases - always broken:
- core:
- check vlan filter feature in vlan_vids_add_by_dev() and
vlan_vids_del_by_dev()
- check dev->gso_max_size in gso_features_check()
- mptcp: fix inconsistent state on fastopen race
- phy: skip LED triggers on PHYs on SFP modules
- eth: mlx5e:
- fix double free of encap_header
- fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list()"
* tag 'net-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
net: check dev->gso_max_size in gso_features_check()
kselftest: rtnetlink.sh: use grep_fail when expecting the cmd fail
net/ipv6: Revert remove expired routes with a separated list of routes
net: avoid build bug in skb extension length calculation
net: ethernet: mtk_wed: fix possible NULL pointer dereference in mtk_wed_wo_queue_tx_clean()
net: stmmac: fix incorrect flag check in timestamp interrupt
selftests: add vlan hw filter tests
net: check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev()
net: hns3: add new maintainer for the HNS3 ethernet driver
net: mana: select PAGE_POOL
net: ks8851: Fix TX stall caused by TX buffer overrun
ice: Fix PF with enabled XDP going no-carrier after reset
ice: alter feature support check for SRIOV and LAG
ice: stop trashing VF VSI aggregator node ID information
mailmap: add entries for Geliang Tang
mptcp: fill in missing MODULE_DESCRIPTION()
mptcp: fix inconsistent state on fastopen race
selftests: mptcp: join: fix subflow_send_ack lookup
net: phy: skip LED triggers on PHYs on SFP modules
bpf: Add missing BPF_LINK_TYPE invocations
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-12-21
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net* tree.
We've added 3 non-merge commits during the last 5 day(s) which contain
a total of 4 files changed, 45 insertions(+).
The main changes are:
1) Fix a syzkaller splat which triggered an oob issue in bpf_link_show_fdinfo(),
from Jiri Olsa.
2) Fix another syzkaller-found issue which triggered a NULL pointer dereference
in BPF sockmap for unconnected unix sockets, from John Fastabend.
bpf-for-netdev
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add missing BPF_LINK_TYPE invocations
bpf: sockmap, test for unconnected af_unix sock
bpf: syzkaller found null ptr deref in unix_bpf proto add
====================
Link: https://lore.kernel.org/r/20231221104844.1374-1-daniel@iogearbox.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
run_cmd_grep_fail should be used when expecting the cmd fail, or the ret
will be set to 1, and the total test return 1 when exiting. This would cause
the result report to fail if run via run_kselftest.sh.
Before fix:
# ./rtnetlink.sh -t kci_test_addrlft
PASS: preferred_lft addresses have expired
# echo $?
1
After fix:
# ./rtnetlink.sh -t kci_test_addrlft
PASS: preferred_lft addresses have expired
# echo $?
0
Fixes: 9c2a19f715 ("kselftest: rtnetlink.sh: add verbose flag")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231219065737.1725120-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The "locked-in-memory size" limit per process can be non-multiple of
page_size. The mmap() fails if we try to allocate locked-in-memory with
same size as the allowed limit if it isn't multiple of the page_size
because mmap() rounds off the memory size to be allocated to next multiple
of page_size.
Fix this by flooring the length to be allocated with mmap() to the
previous multiple of the page_size.
This was getting triggered on KernelCI regularly because of different
ulimit settings which wasn't multiple of the page_size. Find logs
here: https://linux.kernelci.org/test/plan/id/657654bd8e81e654fae13532/
The bug in was present from the time test was first added.
Link: https://lkml.kernel.org/r/20231214101931.1155586-1-usama.anjum@collabora.com
Fixes: 76fe17ef58 ("secretmem: test: add basic selftest for memfd_secret(2)")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Closes: https://linux.kernelci.org/test/plan/id/657654bd8e81e654fae13532/
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mas_preallocate() defaults to requesting 1 node for preallocation and then
,depending on the type of store, will update the request variable. There
isn't a check for a slot store type, so slot stores are preallocating the
default 1 node. Slot stores do not require any additional nodes, so add a
check for the slot store case that will bypass node_count_gfp(). Update
the tests to reflect that slot stores do not require allocations.
User visible effects of this bug include increased memory usage from the
unneeded node that was allocated.
Link: https://lkml.kernel.org/r/20231213205058.386589-1-sidhartha.kumar@oracle.com
Fixes: 0b8bb544b1 ("maple_tree: update mas_preallocate() testing")
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: <stable@vger.kernel.org> [6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Add one basic vlan hw filter test.
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A statement used %d print formatter where %s should have
been used. The same has been fixed in this commit.
Signed-off-by: Ghanshyam Agrawal <ghanshyam1898@gmail.com>
Link: 5aaf9efffc ("kselftest: alsa: Add simplistic test for ALSA mixer controls kselftest")
Link: https://lore.kernel.org/r/20231217080019.1063476-1-ghanshyam1898@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
MPC backups tests will skip unexpected sometimes (For example, when
compiling kernel with an older version of gcc, such as gcc-8), since
static functions like mptcp_subflow_send_ack also be listed in
/proc/kallsyms, with a 't' in front of it, not 'T' ('T' is for a global
function):
> grep "mptcp_subflow_send_ack" /proc/kallsyms
0000000000000000 T __pfx___mptcp_subflow_send_ack
0000000000000000 T __mptcp_subflow_send_ack
0000000000000000 t __pfx_mptcp_subflow_send_ack
0000000000000000 t mptcp_subflow_send_ack
In this case, mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"
will be false, MPC backups tests will skip. This is not what we expected.
The correct logic here should be: if mptcp_subflow_send_ack is not a
global function in /proc/kallsyms, do these MPC backups tests. So a 'T'
must be added in front of mptcp_subflow_send_ack.
Fixes: 632978f0a9 ("selftests: mptcp: join: skip MPC backups tests if not supported")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new assertion
in cxl_num_decoders_committed() and new tests
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Merge tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) fixes from Dan Williams:
"A collection of CXL fixes.
The touch outside of drivers/cxl/ is for a helper that allocates
physical address space. Device hotplug tests showed that the driver
failed to utilize (skipped over) valid capacity when allocating a new
memory region. Outside of that, new tests uncovered a small crop of
lockdep reports.
There is also some miscellaneous error path and leak fixups that are
not urgent, but useful to cleanup now.
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new
assertion in cxl_num_decoders_committed() and new tests"
* tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/pmu: Ensure put_device on pmu devices
cxl/cdat: Free correct buffer on checksum error
cxl/hdm: Fix dpa translation locking
kernel/resource: Increment by align value in get_free_mem_region()
cxl: Add cxl_num_decoders_committed() usage to cxl_test
cxl/memdev: Hold region_rwsem during inject and clear poison ops
cxl/core: Always hold region_rwsem while reading poison lists
cxl/hdm: Fix a benign lockdep splat
This code is rarely (never?) enabled by distros, and it hasn't caught
anything in decades. Let's kill off this legacy debug code.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"17 hotfixes. 8 are cc:stable and the other 9 pertain to post-6.6
issues"
* tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/mglru: reclaim offlined memcgs harder
mm/mglru: respect min_ttl_ms with memcgs
mm/mglru: try to stop at high watermarks
mm/mglru: fix underprotected page cache
mm/shmem: fix race in shmem_undo_range w/THP
Revert "selftests: error out if kernel header files are not yet built"
crash_core: fix the check for whether crashkernel is from high memory
x86, kexec: fix the wrong ifdeffery CONFIG_KEXEC
sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
mips, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC
loongarch, kexec: change dependency of object files
mm/damon/core: make damon_start() waits until kdamond_fn() starts
selftests/mm: cow: print ksft header before printing anything else
mm: fix VMA heap bounds checking
riscv: fix VMALLOC_START definition
kexec: drop dependency on ARCH_SUPPORTS_KEXEC from CRASH_DUMP
Add test to sockmap_basic to ensure af_unix sockets that are not connected
can not be added to the map. Ensure we keep DGRAM sockets working however
as these will not be connected typically.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/r/20231201180139.328529-3-john.fastabend@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
When we dynamically generate a name for a configuration in get-reg-list
we use strcat() to append to a buffer allocated using malloc() but we
never initialise that buffer. Since malloc() offers no guarantees
regarding the contents of the memory it returns this can lead to us
corrupting, and likely overflowing, the buffer:
vregs: PASS
vregs+pmu: PASS
sve: PASS
sve+pmu: PASS
vregs+pauth_address+pauth_generic: PASS
X?vr+gspauth_addre+spauth_generi+pmu: PASS
The bug is that strcat() should have been strcpy(), and that replacement
would be enough to fix it, but there are other things in the function
that leave something to be desired. In particular, an (incorrectly)
empty config would cause an out of bounds access to c->name[-1].
Since the strcpy() call relies on c->name[0..len-1] being initialized,
enforce that invariant throughout the function.
Fixes: 2f9ace5d45 ("KVM: arm64: selftests: get-reg-list: Introduce vcpu configs")
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Co-developed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Message-Id: <20231211-kvm-get-reg-list-str-init-v3-1-6554c71c77b1@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
print_reg() will print everything it knows when it encounters
a register ID it's unfamiliar with in the default cases of its
decoding switches. Fix several issues with these (until now,
never tested) paths; missing newlines in printfs, missing
complement operator in mask, and missing return in order to
avoid continuing to decode.
Fixes: 62d0c458f8 ("KVM: riscv: selftests: get-reg-list print_reg should never fail")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Haibo Xu <haibo1.xu@intel.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This reverts commit 9fc96c7c19 ("selftests: error out if kernel header
files are not yet built").
It turns out that requiring the kernel headers to be built as a
prerequisite to building selftests, does not work in many cases. For
example, Peter Zijlstra writes:
"My biggest beef with the whole thing is that I simply do not want to use
'make headers', it doesn't work for me.
I have a ton of output directories and I don't care to build tools into
the output dirs, in fact some of them flat out refuse to work that way
(bpf comes to mind)." [1]
Therefore, stop erroring out on the selftests build. Additional patches
will be required in order to change over to not requiring the kernel
headers.
[1] https://lore.kernel.org/20231208221007.GO28727@noisy.programming.kicks-ass.net
Link: https://lkml.kernel.org/r/20231209020144.244759-1-jhubbard@nvidia.com
Fixes: 9fc96c7c19 ("selftests: error out if kernel header files are not yet built")
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Marcos Paulo de Souza <mpdesouza@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Doing a ksft_print_msg() before the ksft_print_header() seems to confuse
the ksft framework in a strange way: running the test on the cmdline
results in the expected output.
But piping the output somewhere else, results in some odd output,
whereby we repeatedly get the same info printed:
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
TAP version 13
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
TAP version 13
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
ok 1 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped out base page
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
Doing the ksft_print_header() first seems to resolve that and gives us
the output we expect:
TAP version 13
# [INFO] detected THP size: 2048 KiB
# [INFO] detected hugetlb page size: 2048 KiB
# [INFO] detected hugetlb page size: 1048576 KiB
# [INFO] huge zeropage is enabled
1..190
# [INFO] Anonymous memory tests in private mappings
# [RUN] Basic COW after fork() ... with base page
ok 1 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped out base page
ok 2 No leak from parent into child
# [RUN] Basic COW after fork() ... with THP
ok 3 No leak from parent into child
# [RUN] Basic COW after fork() ... with swapped-out THP
ok 4 No leak from parent into child
# [RUN] Basic COW after fork() ... with PTE-mapped THP
ok 5 No leak from parent into child
Link: https://lkml.kernel.org/r/20231206103558.38040-1-david@redhat.com
Fixes: f4b5fd6946 ("selftests/vm: anon_cow: THP tests")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Nico Pache <npache@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Building the KVM selftests from the main selftests Makefile (as opposed
to the kvm subdirectory) doesn't work as OUTPUT is set, forcing the
generated header to spill into the selftests directory. Additionally,
relative paths do not work when building outside of the srctree, as the
canonical selftests path is replaced with 'kselftest' in the output.
Work around both of these issues by explicitly overriding OUTPUT on the
submake cmdline. Move the whole fragment below the point lib.mk gets
included such that $(abs_objdir) is available.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231212070431.145544-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
* Set .owner for various KVM file_operations so that files refcount the
KVM module until KVM is done executing _all_ code, including the last
few instructions of kvm_put_kvm(). And then revert the misguided
attempt to rely on "struct kvm" refcounts to pin KVM-the-module.
ARM:
* Do not redo the mapping of vLPIs, if they have already been mapped
s390:
* Do not leave bits behind in PTEs
* Properly catch page invalidations that affect the prefix of a nested
guest
x86:
* When checking if a _running_ vCPU is "in-kernel", i.e. running at CPL0,
get the CPL directly instead of relying on preempted_in_kernel (which
is valid if and only if the vCPU was preempted, i.e. NOT running).
* Fix a benign "return void" that was recently introduced.
Selftests:
* Makefile tweak for dependency generation
* -Wformat fix
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Generic:
- Set .owner for various KVM file_operations so that files refcount
the KVM module until KVM is done executing _all_ code, including
the last few instructions of kvm_put_kvm(). And then revert the
misguided attempt to rely on "struct kvm" refcounts to pin
KVM-the-module.
ARM:
- Do not redo the mapping of vLPIs, if they have already been mapped
s390:
- Do not leave bits behind in PTEs
- Properly catch page invalidations that affect the prefix of a
nested guest
x86:
- When checking if a _running_ vCPU is "in-kernel", i.e. running at
CPL0, get the CPL directly instead of relying on
preempted_in_kernel (which is valid if and only if the vCPU was
preempted, i.e. NOT running).
- Fix a benign "return void" that was recently introduced.
Selftests:
- Makefile tweak for dependency generation
- '-Wformat' fix"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Update EFER software model on CR0 trap for SEV-ES
KVM: selftests: add -MP to CFLAGS
KVM: selftests: Actually print out magic token in NX hugepages skip message
KVM: x86: Remove 'return void' expression for 'void function'
Revert "KVM: Prevent module exit until all VMs are freed"
KVM: Set file_operations.owner appropriately for all such structures
KVM: x86: Get CPL directly when checking if loaded vCPU is in kernel mode
KVM: arm64: GICv4: Do not perform a map to a mapped vLPI
KVM: s390/mm: Properly reset no-dat
KVM: s390: vsie: fix wrong VIR 37 when MSO is used
Here are some small fixes for 6.7-rc5 for a variety of small driver
subsystems. Included in here are:
- debugfs revert for reported issue
- greybus revert for reported issue
- greybus fixup for endian build warning
- coresight driver fixes
- nvmem driver fixes
- devcoredump fix
- parport new device id
- ndtest build fix
All of these have ben in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver fixes from Greg KH:
"Here are some small fixes for 6.7-rc5 for a variety of small driver
subsystems. Included in here are:
- debugfs revert for reported issue
- greybus revert for reported issue
- greybus fixup for endian build warning
- coresight driver fixes
- nvmem driver fixes
- devcoredump fix
- parport new device id
- ndtest build fix
All of these have ben in linux-next with no reported issues"
* tag 'char-misc-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
nvmem: Do not expect fixed layouts to grab a layout driver
parport: Add support for Brainboxes IX/UC/PX parallel cards
Revert "greybus: gb-beagleplay: Ensure le for values in transport"
greybus: gb-beagleplay: Ensure le for values in transport
greybus: BeaglePlay driver needs CRC_CCITT
Revert "debugfs: annotate debugfs handlers vs. removal with lockdep"
devcoredump: Send uevent once devcd is ready
ndtest: fix typo class_regster -> class_register
misc: mei: client.c: fix problem of return '-EOVERFLOW' in mei_cl_write
misc: mei: client.c: return negative error code in mei_cl_write
mei: pxp: fix mei_pxp_send_message return value
coresight: ultrasoc-smb: Fix uninitialized before use buf_hw_base
coresight: ultrasoc-smb: Config SMB buffer before register sink
coresight: ultrasoc-smb: Fix sleep while close preempt in enable_smb
Documentation: coresight: fix `make refcheckdocs` warning
hwtracing: hisi_ptt: Don't try to attach a task
hwtracing: hisi_ptt: Handle the interrupt in hardirq context
hwtracing: hisi_ptt: Add dummy callback pmu::read()
coresight: Fix crash when Perf and sysfs modes are used concurrently
coresight: etm4x: Remove bogous __exit annotation for some functions
Using -MD without -MP causes build failures when a header file is deleted
or moved. With -MP, the compiler will emit phony targets for the header
files it lists as dependencies, and the Makefiles won't refuse to attempt
to rebuild a C unit which no longer includes the deleted header.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/9fc8b5395321abbfcaf5d78477a9a7cd350b08e4.camel@infradead.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Pass MAGIC_TOKEN to __TEST_REQUIRE() when printing the help message about
needing to pass a magic value to manually run the NX hugepages test,
otherwise the help message will contain garbage.
In file included from x86_64/nx_huge_pages_test.c:15:
x86_64/nx_huge_pages_test.c: In function ‘main’:
include/test_util.h:40:32: error: format ‘%d’ expects a matching ‘int’ argument [-Werror=format=]
40 | ksft_exit_skip("- " fmt "\n", ##__VA_ARGS__); \
| ^~~~
x86_64/nx_huge_pages_test.c:259:9: note: in expansion of macro ‘__TEST_REQUIRE’
259 | __TEST_REQUIRE(token == MAGIC_TOKEN,
| ^~~~~~~~~~~~~~
Signed-off-by: angquan yu <angquan21@gmail.com>
Link: https://lore.kernel.org/r/20231128221105.63093-1-angquan21@gmail.com
[sean: rewrite shortlog+changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The remainder address post-6.6 issues or aren't considered serious enough
to justify backporting.
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Merge tag 'mm-hotfixes-stable-2023-12-07-18-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"31 hotfixes. Ten of these address pre-6.6 issues and are marked
cc:stable. The remainder address post-6.6 issues or aren't considered
serious enough to justify backporting"
* tag 'mm-hotfixes-stable-2023-12-07-18-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits)
mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range()
nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
mm/hugetlb: have CONFIG_HUGETLB_PAGE select CONFIG_XARRAY_MULTI
scripts/gdb: fix lx-device-list-bus and lx-device-list-class
MAINTAINERS: drop Antti Palosaari
highmem: fix a memory copy problem in memcpy_from_folio
nilfs2: fix missing error check for sb_set_blocksize call
kernel/Kconfig.kexec: drop select of KEXEC for CRASH_DUMP
units: add missing header
drivers/base/cpu: crash data showing should depends on KEXEC_CORE
mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions
scripts/gdb/tasks: fix lx-ps command error
mm/Kconfig: make userfaultfd a menuconfig
selftests/mm: prevent duplicate runs caused by TEST_GEN_PROGS
mm/damon/core: copy nr_accesses when splitting region
lib/group_cpus.c: avoid acquiring cpu hotplug lock in group_cpus_evenly
checkstack: fix printed address
mm/memory_hotplug: fix error handling in add_memory_resource()
mm/memory_hotplug: add missing mem_hotplug_lock
.mailmap: add a new address mapping for Chester Lin
...
Current release - regressions:
- veth: fix packet segmentation in veth_convert_skb_to_xdp_buff
Current release - new code bugs:
- tcp: assorted fixes to the new Auth Option support
Older releases - regressions:
- tcp: fix mid stream window clamp
- tls: fix incorrect splice handling
- ipv4: ip_gre: handle skb_pull() failure in ipgre_xmit()
- dsa: mv88e6xxx: restore USXGMII support for 6393X
- arcnet: restore support for multiple Sohard Arcnet cards
Older releases - always broken:
- tcp: do not accept ACK of bytes we never sent
- require admin privileges to receive packet traces via netlink
- packet: move reference count in packet_sock to atomic_long_t
- bpf:
- fix incorrect branch offset comparison with cpu=v4
- fix prog_array_map_poke_run map poke update
- netfilter:
- 3 fixes for crashes on bad admin commands
- xt_owner: fix race accessing sk->sk_socket, TOCTOU null-deref
- nf_tables: fix 'exist' matching on bigendian arches
- leds: netdev: fix RTNL handling to prevent potential deadlock
- eth: tg3: prevent races in error/reset handling
- eth: r8169: fix rtl8125b PAUSE storm when suspended
- eth: r8152: improve reset and surprise removal handling
- eth: hns: fix race between changing features and sending
- eth: nfp: fix sleep in atomic for bonding offload
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Current release - regressions:
- veth: fix packet segmentation in veth_convert_skb_to_xdp_buff
Current release - new code bugs:
- tcp: assorted fixes to the new Auth Option support
Older releases - regressions:
- tcp: fix mid stream window clamp
- tls: fix incorrect splice handling
- ipv4: ip_gre: handle skb_pull() failure in ipgre_xmit()
- dsa: mv88e6xxx: restore USXGMII support for 6393X
- arcnet: restore support for multiple Sohard Arcnet cards
Older releases - always broken:
- tcp: do not accept ACK of bytes we never sent
- require admin privileges to receive packet traces via netlink
- packet: move reference count in packet_sock to atomic_long_t
- bpf:
- fix incorrect branch offset comparison with cpu=v4
- fix prog_array_map_poke_run map poke update
- netfilter:
- three fixes for crashes on bad admin commands
- xt_owner: fix race accessing sk->sk_socket, TOCTOU null-deref
- nf_tables: fix 'exist' matching on bigendian arches
- leds: netdev: fix RTNL handling to prevent potential deadlock
- eth: tg3: prevent races in error/reset handling
- eth: r8169: fix rtl8125b PAUSE storm when suspended
- eth: r8152: improve reset and surprise removal handling
- eth: hns: fix race between changing features and sending
- eth: nfp: fix sleep in atomic for bonding offload"
* tag 'net-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
vsock/virtio: fix "comparison of distinct pointer types lacks a cast" warning
net/smc: fix missing byte order conversion in CLC handshake
net: dsa: microchip: provide a list of valid protocols for xmit handler
drop_monitor: Require 'CAP_SYS_ADMIN' when joining "events" group
psample: Require 'CAP_NET_ADMIN' when joining "packets" group
bpf: sockmap, updating the sg structure should also update curr
net: tls, update curr on splice as well
nfp: flower: fix for take a mutex lock in soft irq context and rcu lock
net: dsa: mv88e6xxx: Restore USXGMII support for 6393X
tcp: do not accept ACK of bytes we never sent
selftests/bpf: Add test for early update in prog_array_map_poke_run
bpf: Fix prog_array_map_poke_run map poke update
netfilter: xt_owner: Fix for unsafe access of sk->sk_socket
netfilter: nf_tables: validate family when identifying table via handle
netfilter: nf_tables: bail out on mismatching dynset and set expressions
netfilter: nf_tables: fix 'exist' matching on bigendian arches
netfilter: nft_set_pipapo: skip inactive elements during set walk
netfilter: bpf: fix bad registration on nf_defrag
leds: trigger: netdev: fix RTNL handling to prevent potential deadlock
octeontx2-af: Update Tx link register range
...
