Eight fixes. The most important one is the mpt3sas fix which makes
the driver work again on big endian systems. The rest are mostly
minor error path or checker issues and the vmw_scsi one fixes a
performance problem.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Eight fixes.
The most important one is the mpt3sas fix which makes the driver work
again on big endian systems. The rest are mostly minor error path or
checker issues and the vmw_scsi one fixes a performance problem"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: vmw_pvscsi: Return DID_RESET for status SAM_STAT_COMMAND_TERMINATED
scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled
scsi: mpt3sas: Swap I/O memory read value back to cpu endianness
scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO
scsi: fcoe: drop frames in ELS LOGO error path
scsi: fcoe: fix use-after-free in fcoe_ctlr_els_send
scsi: qedi: Fix a potential buffer overflow
scsi: qla2xxx: Fix memory leak for allocating abort IOCB
Pull networking fixes from David Miller:
"Last bit of straggler fixes...
1) Fix btf library licensing to LGPL, from Martin KaFai lau.
2) Fix error handling in bpf sockmap code, from Daniel Borkmann.
3) XDP cpumap teardown handling wrt. execution contexts, from Jesper
Dangaard Brouer.
4) Fix loss of runtime PM on failed vlan add/del, from Ivan
Khoronzhuk.
5) xen-netfront caches skb_shinfo(skb) across a __pskb_pull_tail()
call, which potentially changes the skb's data buffer, and thus
skb_shinfo(). Fix from Juergen Gross"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
xen/netfront: don't cache skb_shinfo()
net: ethernet: ti: cpsw: fix runtime_pm while add/kill vlan
net: ethernet: ti: cpsw: clear all entries when delete vid
xdp: fix bug in devmap teardown code path
samples/bpf: xdp_redirect_cpu adjustment to reproduce teardown race easier
xdp: fix bug in cpumap teardown code path
bpf, sockmap: fix cork timeout for select due to epipe
bpf, sockmap: fix leak in bpf_tcp_sendmsg wait for mem path
bpf, sockmap: fix bpf_tcp_sendmsg sock error handling
bpf: btf: Change tools/lib/bpf/btf to LGPL
skb_shinfo() can change when calling __pskb_pull_tail(): Don't cache
its return value.
Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's exclusive with normal behaviour but if try to set vlan to one of
the reserved values is made, the cpsw runtime pm is broken.
Fixes: a6c5d14f51 ("drivers: net: cpsw: ndev: fix accessing to suspended device")
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
In cases if some of the entries were not found in forwarding table
while killing vlan, the rest not needed entries still left in the
table. No need to stop, as entry was deleted anyway. So fix this by
returning error only after all was cleaned. To implement this, return
-ENOENT in cpsw_ale_del_mcast() as it's supposed to be.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
If zram supports writeback feature, it's no longer a
BD_CAP_SYNCHRONOUS_IO device beause zram does asynchronous IO operations
for incompressible pages.
Do not pretend to be synchronous IO device. It makes the system very
sluggish due to waiting for IO completion from upper layers.
Furthermore, it causes a user-after-free problem because swap thinks the
opearion is done when the IO functions returns so it can free the page
(e.g., lock_page_or_retry and goto out_release in do_swap_page) but in
fact, IO is asynchronous so the driver could access a just freed page
afterward.
This patch fixes the problem.
BUG: Bad page state in process qemu-system-x86 pfn:3dfab21
page:ffffdfb137eac840 count:0 mapcount:0 mapping:0000000000000000 index:0x1
flags: 0x17fffc000000008(uptodate)
raw: 017fffc000000008 dead000000000100 dead000000000200 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_PREP flag set
bad because of flags: 0x8(uptodate)
CPU: 4 PID: 1039 Comm: qemu-system-x86 Tainted: G B 4.18.0-rc5+ #1
Hardware name: Supermicro Super Server/X10SRL-F, BIOS 2.0b 05/02/2017
Call Trace:
dump_stack+0x5c/0x7b
bad_page+0xba/0x120
get_page_from_freelist+0x1016/0x1250
__alloc_pages_nodemask+0xfa/0x250
alloc_pages_vma+0x7c/0x1c0
do_swap_page+0x347/0x920
__handle_mm_fault+0x7b4/0x1110
handle_mm_fault+0xfc/0x1f0
__get_user_pages+0x12f/0x690
get_user_pages_unlocked+0x148/0x1f0
__gfn_to_pfn_memslot+0xff/0x3c0 [kvm]
try_async_pf+0x87/0x230 [kvm]
tdp_page_fault+0x132/0x290 [kvm]
kvm_mmu_page_fault+0x74/0x570 [kvm]
kvm_arch_vcpu_ioctl_run+0x9b3/0x1990 [kvm]
kvm_vcpu_ioctl+0x388/0x5d0 [kvm]
do_vfs_ioctl+0xa2/0x630
ksys_ioctl+0x70/0x80
__x64_sys_ioctl+0x16/0x20
do_syscall_64+0x55/0x100
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Link: https://lore.kernel.org/lkml/0516ae2d-b0fd-92c5-aa92-112ba7bd32fc@contabo.de/
Link: http://lkml.kernel.org/r/20180802051112.86174-1-minchan@kernel.org
[minchan@kernel.org: fix changelog, add comment]
Link: https://lore.kernel.org/lkml/0516ae2d-b0fd-92c5-aa92-112ba7bd32fc@contabo.de/
Link: http://lkml.kernel.org/r/20180802051112.86174-1-minchan@kernel.org
Link: http://lkml.kernel.org/r/20180805233722.217347-1-minchan@kernel.org
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Tino Lehnig <tino.lehnig@contabo.de>
Tested-by: Tino Lehnig <tino.lehnig@contabo.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: <stable@vger.kernel.org> [4.15+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull i2c fix from Wolfram Sang:
"A single driver bugfix for I2C.
The bug was found by systematically stress testing the driver, so I am
confident to merge it that late in the cycle although it is probably
unusually large"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: xlp9xx: Fix case where SSIF read transaction completes early
Pull networking fixes from David Miller:
1) The real fix for the ipv6 route metric leak Sabrina was seeing, from
Cong Wang.
2) Fix syzbot triggers AF_PACKET v3 ring buffer insufficient room
conditions, from Willem de Bruijn.
3) vsock can reinitialize active work struct, fix from Cong Wang.
4) RXRPC keepalive generator can wedge a cpu, fix from David Howells.
5) Fix locking in AF_SMC ioctl, from Ursula Braun.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
dsa: slave: eee: Allow ports to use phylink
net/smc: move sock lock in smc_ioctl()
net/smc: allow sysctl rmem and wmem defaults for servers
net/smc: no shutdown in state SMC_LISTEN
net: aquantia: Fix IFF_ALLMULTI flag functionality
rxrpc: Fix the keepalive generator [ver #2]
net/mlx5e: Cleanup of dcbnl related fields
net/mlx5e: Properly check if hairpin is possible between two functions
vhost: reset metadata cache when initializing new IOTLB
llc: use refcount_inc_not_zero() for llc_sap_find()
dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()
tipc: fix an interrupt unsafe locking scenario
vsock: split dwork to avoid reinitializations
net: thunderx: check for failed allocation lmac->dmacs
cxgb4: mk_act_open_req() buggers ->{local, peer}_ip on big-endian hosts
packet: refine ring v3 block size test to hold one frame
ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit
ipv6: fix double refcount of fib6_metrics
During ipmi stress tests we see occasional failure of transactions
at the boot time. This happens in the case of a I2C_M_RECV_LEN
transactions, when the read transfer completes (with the initial
read length of 34) before the driver gets a chance to handle interrupts.
The current driver code expects at least 2 interrupts for I2C_M_RECV_LEN
transactions. The length is updated during the first interrupt, and the
buffer contents are only copied during subsequent interrupts. In case of
just one interrupt, we will complete the transaction without copying
out the bytes from RX fifo.
Update the code to drain the RX fifo after the length update,
so that the transaction completes correctly in all cases.
Signed-off-by: George Cherian <george.cherian@cavium.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
It was noticed that NIC always pass all multicast traffic to the host
regardless of IFF_ALLMULTI flag on the interface.
The rule in MC Filter Table in NIC, that is configured to accept any
multicast packets, is turning on if IFF_MULTICAST flag is set on the
interface. It leads to passing all multicast traffic to the host.
This fix changes the condition to turn on that rule by checking
IFF_ALLMULTI flag as it should.
Fixes: b21f502f84 ("net:ethernet:aquantia: Fix for multicast filter handling.")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove unused netdev_registered_init/remove in en.h
Return ENOSUPPORT if the check MLX5_DSCP_SUPPORTED fails.
Remove extra white space
Fixes: 2a5e7a1344 ("net/mlx5e: Add dcbnl dscp to priority support")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Cc: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current check relies on function BDF addresses and can get
us wrong e.g when two VFs are assigned into a VM and the PCI
v-address is set by the hypervisor.
Fixes: 5c65c564c9 ('net/mlx5e: Support offloading TC NIC hairpin flows')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Alaa Hleihel <alaa@mellanox.com>
Tested-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need to reset metadata cache during new IOTLB initialization,
otherwise the stale pointers to previous IOTLB may be still accessed
which will lead a use after free.
Reported-by: syzbot+c51e6736a1bf614b3272@syzkaller.appspotmail.com
Fixes: f889491380 ("vhost: introduce O(1) vq metadata cache")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The allocation of lmac->dmacs is not being checked for allocation
failure. Add the check.
Fixes: 3a34ecfd9d ("net: thunderx: add MAC address filter tracking for LMAC")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Unlike fs.val.lport and fs.val.fport, cxgb4_process_flow_match()
sets fs.val.{l,f}ip to net-endian values without conversion - they come
straight from flow_dissector_key_ipv4_addrs ->dst and ->src resp. So
the assignment in mk_act_open_req() ought to be a straight copy.
As far as I know, T4 PCIe cards do exist, so it's not as if that
thing could only be found on little-endian systems...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a single fix affecting X86 ACPI, and as such pretty important.
It is going to stable as well and have all the high-notch x86 platform
developers agreeing on it.
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Merge tag 'gpio-v4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fix from Linus Walleij:
"This is a single fix affecting X86 ACPI, and as such pretty important.
It is going to stable as well and have all the high-notch x86 platform
developers agreeing on it"
* tag 'gpio-v4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpiolib-acpi: make sure we trigger edge events at least once on boot
Pull networking fixes from David Miller:
1) Handle frames in error situations properly in AF_XDP, from Jakub
Kicinski.
2) tcp_mmap test case only tests ipv6 due to a thinko, fix from
Maninder Singh.
3) Session refcnt fix in l2tp_ppp, from Guillaume Nault.
4) Fix regression in netlink bind handling of multicast gruops, from
Dmitry Safonov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
netlink: Don't shift on 64 for ngroups
net/smc: no cursor update send in state SMC_INIT
l2tp: fix missing refcount drop in pppol2tp_tunnel_ioctl()
mlxsw: core_acl_flex_actions: Remove redundant mirror resource destruction
mlxsw: core_acl_flex_actions: Remove redundant counter destruction
mlxsw: core_acl_flex_actions: Remove redundant resource destruction
mlxsw: core_acl_flex_actions: Return error for conflicting actions
selftests/bpf: update test_lwt_seg6local.sh according to iproute2
drivers: net: lmc: fix case value for target abort error
selftest/net: fix protocol family to work for IPv4.
net: xsk: don't return frames via the allocator on error
tools/bpftool: fix a percpu_array map dump problem
In previous patch mlxsw_afa_resource_del() was added to avoid a duplicate
resource detruction scenario.
For mirror actions, such duplicate destruction leads to a crash as in:
# tc qdisc add dev swp49 ingress
# tc filter add dev swp49 parent ffff: \
protocol ip chain 100 pref 10 \
flower skip_sw dst_ip 192.168.101.1 action drop
# tc filter add dev swp49 parent ffff: \
protocol ip pref 10 \
flower skip_sw dst_ip 192.168.101.1 action goto chain 100 \
action mirred egress mirror dev swp4
Therefore add a call to mlxsw_afa_resource_del() in
mlxsw_afa_mirror_destroy() in order to clear that resource
from rule's resources.
Fixes: d0d13c1858 ("mlxsw: spectrum_acl: Add support for mirror action")
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Each tc flower rule uses a hidden count action. As counter resource may
not be available due to limited HW resources, update _counter_create()
and _counter_destroy() pair to follow previously introduced symmetric
error condition handling, add a call to mlxsw_afa_resource_del() as part
of the counter resource destruction.
Fixes: c18c1e186b ("mlxsw: core: Make counter index allocated inside the action append")
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some ACL actions require the allocation of a separate resource
prior to applying the action itself. When facing an error condition
during the setup phase of the action, resource should be destroyed.
For such actions the destruction was done twice which is dangerous
and lead to a potential crash.
The destruction took place first upon error on action setup phase
and then as the rule was destroyed.
The following sequence generated a crash:
# tc qdisc add dev swp49 ingress
# tc filter add dev swp49 parent ffff: \
protocol ip chain 100 pref 10 \
flower skip_sw dst_ip 192.168.101.1 action drop
# tc filter add dev swp49 parent ffff: \
protocol ip pref 10 \
flower skip_sw dst_ip 192.168.101.1 action goto chain 100 \
action mirred egress mirror dev swp4
Therefore add mlxsw_afa_resource_del() as a complement of
mlxsw_afa_resource_add() to add symmetry to resource_list membership
handling. Call this from mlxsw_afa_fwd_entry_ref_destroy() to make the
_fwd_entry_ref_create() and _fwd_entry_ref_destroy() pair of calls a
NOP.
Fixes: 140ce42121 ("mlxsw: core: Convert fwd_entry_ref list to be generic per-block resource list")
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Spectrum switch ACL action set is built in groups of three actions
which may point to additional actions. A group holds a single record
which can be set as goto record for pointing at a following group
or can be set to mark the termination of the lookup. This is perfectly
adequate for handling a series of actions to be executed on a packet.
While the SW model allows configuration of conflicting actions
where it is clear that some actions will never execute, the mlxsw
driver must block such configurations as it creates a conflict
over the single terminate/goto record value.
For a conflicting actions configuration such as:
# tc filter add dev swp49 parent ffff: \
protocol ip pref 10 \
flower skip_sw dst_ip 192.168.101.1 \
action goto chain 100 \
action mirred egress mirror dev swp4
Where it is clear that the last action will never execute, the
mlxsw driver was issuing a warning instead of returning an error.
Therefore replace that warning with an error for this specific
case.
Fixes: 4cda7d8d70 ("mlxsw: core: Introduce flexible actions support")
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commands that are reset are returned with status
SAM_STAT_COMMAND_TERMINATED. PVSCSI currently returns DID_OK |
SAM_STAT_COMMAND_TERMINATED which fails the command. Instead, set hostbyte
to DID_RESET to allow upper layers to retry.
Tested by copying a large file between two pvscsi disks on same adapter
while performing a bus reset at 1-second intervals. Before fix, commands
sometimes fail with DID_OK. After fix, commands observed to fail with
DID_RESET.
Signed-off-by: Jim Gill <jgill@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Surround scsi_execute() calls with scsi_autopm_get_device() and
scsi_autopm_put_device(). Note: removing sr_mutex protection from the
scsi_cd_get() and scsi_cd_put() calls is safe because the purpose of
sr_mutex is to serialize cdrom_*() calls.
This patch avoids that complaints similar to the following appear in the
kernel log if runtime power management is enabled:
INFO: task systemd-udevd:650 blocked for more than 120 seconds.
Not tainted 4.18.0-rc7-dbg+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
systemd-udevd D28176 650 513 0x00000104
Call Trace:
__schedule+0x444/0xfe0
schedule+0x4e/0xe0
schedule_preempt_disabled+0x18/0x30
__mutex_lock+0x41c/0xc70
mutex_lock_nested+0x1b/0x20
__blkdev_get+0x106/0x970
blkdev_get+0x22c/0x5a0
blkdev_open+0xe9/0x100
do_dentry_open.isra.19+0x33e/0x570
vfs_open+0x7c/0xd0
path_openat+0x6e3/0x1120
do_filp_open+0x11c/0x1c0
do_sys_open+0x208/0x2d0
__x64_sys_openat+0x59/0x70
do_syscall_64+0x77/0x230
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Maurizio Lombardi <mlombard@redhat.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: <stable@vger.kernel.org>
Tested-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Swap the I/O memory read value back to cpu endianness before storing it in
a data structures which are defined in the MPI headers where u8 components
are not defined in the endianness order.
In this area from day one mpt3sas driver is using le32_to_cpu() &
cpu_to_le32() APIs. But in commit cf6bf9710c
(mpt3sas: Bug fix for big endian systems) we have removed these APIs
before reading I/O memory which we should haven't done it. So
in this patch I am correcting it by adding these APIs back
before accessing I/O memory.
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- Refuse invalid port numbers in the modify_qp system call
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fix from Jason Gunthorpe:
"One bug for missing user input validation: refuse invalid port numbers
in the modify_qp system call"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/uverbs: Expand primary and alt AV port checks
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Merge tag 'drm-fixes-2018-08-03' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Nothing too major at this late stage:
- adv7511: reset fix
- vc4: scaling fix
- two atomic core fixes
- one legacy core error handling fix
I had a bunch of driver fixes from hdlcd but I think I'll leave them
for -next at this point"
* tag 'drm-fixes-2018-08-03' of git://anongit.freedesktop.org/drm/drm:
drm/vc4: Reset ->{x, y}_scaling[1] when dealing with uniplanar formats
drm/atomic: Initialize variables in drm_atomic_helper_async_check() to make gcc happy
drm/atomic: Check old_plane_state->crtc in drm_atomic_helper_async_check()
drm: re-enable error handling
drm/bridge: adv7511: Reset registers on hotplug
Pull crypto fix from Herbert Xu:
"Fix a memory corruption in the padlock-aes driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: padlock-aes - Fix Nano workaround data corruption
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Merge tag 'media/v4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a deadlock regression at vsp1 driver
- some Remote Controller fixes related to the new BPF filter logic
added on it for Kernel 4.18.
* tag 'media/v4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: v4l: vsp1: Fix deadlock in VSPDL DRM pipelines
media: rc: read out of bounds if bpf reports high protocol number
media: bpf: ensure bpf program is freed on detach
media: rc: be less noisy when driver misbehaves
Current value for a target abort error is 0x010, however, this value
should in fact be 0x002. As it stands, the range of error is 0..7 so
it is currently never being detected. This bug has been in the driver
since the early 2.6.12 days (or before).
Detected by CoverityScan, CID#744290 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When receiving a LOGO request we forget to clear the FC_RP_STARTED flag
before starting the rport delete routine.
As the started flag was not cleared, we're not deleting the rport but
waiting for a restart and thus are keeping the reference count of the rdata
object at 1.
This leads to the following kmemleak report:
unreferenced object 0xffff88006542aa00 (size 512):
comm "kworker/0:2", pid 24, jiffies 4294899222 (age 226.880s)
hex dump (first 32 bytes):
68 96 fe 65 00 88 ff ff 00 00 00 00 00 00 00 00 h..e............
01 00 00 00 08 00 00 00 02 c5 45 24 ac b8 00 10 ..........E$....
backtrace:
[<(____ptrval____)>] fcoe_ctlr_vn_add.isra.5+0x7f/0x770 [libfcoe]
[<(____ptrval____)>] fcoe_ctlr_vn_recv+0x12af/0x27f0 [libfcoe]
[<(____ptrval____)>] fcoe_ctlr_recv_work+0xd01/0x32f0 [libfcoe]
[<(____ptrval____)>] process_one_work+0x7ff/0x1420
[<(____ptrval____)>] worker_thread+0x87/0xef0
[<(____ptrval____)>] kthread+0x2db/0x390
[<(____ptrval____)>] ret_from_fork+0x35/0x40
[<(____ptrval____)>] 0xffffffffffffffff
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reported-by: ard <ard@kwaak.net>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
KASAN reports a use-after-free in fcoe_ctlr_els_send() when we're sending a
LOGO and have FIP debugging enabled. This is because we're first freeing
the skb and then printing the frame's DID. But the DID is a member of the
FC frame header which in turn is the skb's payload.
Exchange the debug print and kfree_skb() calls so we're not touching the
freed data.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Pull networking fixes from David Miller:
"Fixes keep trickling in:
1) Various IP fragmentation memory limit hardening changes from Eric
Dumazet.
2) Revert ipv6 metrics leak change, it causes more problems than it
fixes for now.
3) Fix WoL regression in stmmac driver, from Jose Abreu.
4) Netlink socket spectre v1 gadget fix, from Jeremy Cline"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
Revert "net/ipv6: fix metrics leak"
rxrpc: Fix user call ID check in rxrpc_service_prealloc_one
net: dsa: Do not suspend/resume closed slave_dev
netlink: Fix spectre v1 gadget in netlink_create()
Documentation: dpaa2: Use correct heading adornment
net: stmmac: Fix WoL for PCI-based setups
bonding: avoid lockdep confusion in bond_get_stats()
enic: do not call enic_change_mtu in enic_probe
ipv4: frags: handle possible skb truesize change
inet: frag: enforce memory limits earlier
net/mlx5e: IPoIB, Set the netdevice sw mtu in ipoib enhanced flow
net/mlx5e: Fix null pointer access when setting MTU of vport representor
net/mlx5e: Set port trust mode to PCP as default
net/mlx5e: E-Switch, Initialize eswitch only if eswitch manager
net: dsa: mv88e6xxx: Fix SERDES support on 88E6141/6341
brcmfmac: fix regression in parsing NVRAM for multiple devices
iwlwifi: add more card IDs for 9000 series
- Use ACPI FADT preferred PM Profile to distinguish Skylake
desktop processors from some server ones with the same model
number in order to limit the scope of the recent IO-wait boost
optimization to servers, as intended (Srinivas Pandruvada).
- Fix several issues in the turbostat utility:
* Fix the -S option on 1-CPU systems (Len Brown).
* Fix computations using incorrect processor core counts (Artem
Bityutskiy).
* Fix the x2apic debug message (Len Brown).
* Fix logical node enumeration to allow for non-sequential
physical nodes (Prarit Bhargava).
* Fix reported family on modern AMD processors (Calvin Walton).
* Clarify the RAPL column information in the man page (Len Brown).
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Merge tag 'pm-urgent-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the scope of a recent intel_pstate driver optimization used
incorrectly on some systems due to processor identification ambiguity
and fix a few issues in the turbostat utility, including three recent
regressions.
Specifics:
- Use ACPI FADT preferred PM Profile to distinguish Skylake desktop
processors from some server ones with the same model number in
order to limit the scope of the recent IO-wait boost optimization
to servers, as intended (Srinivas Pandruvada).
- Fix several issues in the turbostat utility:
* Fix the -S option on 1-CPU systems (Len Brown).
* Fix computations using incorrect processor core counts (Artem
Bityutskiy).
* Fix the x2apic debug message (Len Brown).
* Fix logical node enumeration to allow for non-sequential
physical nodes (Prarit Bhargava).
* Fix reported family on modern AMD processors (Calvin Walton).
* Clarify the RAPL column information in the man page (Len Brown)"
* tag 'pm-urgent-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Limit the scope of HWP dynamic boost platforms
tools/power turbostat: version 18.07.27
tools/power turbostat: Read extended processor family from CPUID
tools/power turbostat: Fix logical node enumeration to allow for non-sequential physical nodes
tools/power turbostat: fix x2apic debug message output file
tools/power turbostat: fix bogus summary values
tools/power turbostat: fix -S on UP systems
tools/power turbostat: Update turbostat(8) RAPL throttling column description
Amit Pundir and Youling in parallel reported crashes with recent
mainline kernels running Android:
F DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
F DEBUG : Build fingerprint: 'Android/db410c32_only/db410c32_only:Q/OC-MR1/102:userdebug/test-key
F DEBUG : Revision: '0'
F DEBUG : ABI: 'arm'
F DEBUG : pid: 2261, tid: 2261, name: zygote >>> zygote <<<
F DEBUG : signal 7 (SIGBUS), code 2 (BUS_ADRERR), fault addr 0xec00008
... <snip> ...
F DEBUG : backtrace:
F DEBUG : #00 pc 00001c04 /system/lib/libc.so (memset+48)
F DEBUG : #01 pc 0010c513 /system/lib/libart.so (create_mspace_with_base+82)
F DEBUG : #02 pc 0015c601 /system/lib/libart.so (art::gc::space::DlMallocSpace::CreateMspace(void*, unsigned int, unsigned int)+40)
F DEBUG : #03 pc 0015c3ed /system/lib/libart.so (art::gc::space::DlMallocSpace::CreateFromMemMap(art::MemMap*, std::__1::basic_string<char, std::__ 1::char_traits<char>, std::__1::allocator<char>> const&, unsigned int, unsigned int, unsigned int, unsigned int, bool)+36)
...
This was bisected back to commit bfd40eaff5 ("mm: fix
vma_is_anonymous() false-positives").
create_mspace_with_base() in the trace above, utilizes ashmem, and with
ashmem, for shared mappings we use shmem_zero_setup(), which sets the
vma->vm_ops to &shmem_vm_ops. But for private ashmem mappings nothing
sets the vma->vm_ops.
Looking at the problematic patch, it seems to add a requirement that one
call vma_set_anonymous() on a vma, otherwise the dummy_vm_ops will be
used. Using the dummy_vm_ops seem to triggger SIGBUS when traversing
unmapped pages.
Thus, this patch adds a call to vma_set_anonymous() for ashmem private
mappings and seems to avoid the reported problem.
Fixes: bfd40eaff5 ("mm: fix vma_is_anonymous() false-positives")
Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Colin Cross <ccross@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Reported-by: Youling 257 <youling257@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
WoL won't work in PCI-based setups because we are not saving the PCI EP
state before entering suspend state and not allowing D3 wake.
Fix this by using a wrapper around stmmac_{suspend/resume} which
correctly sets the PCI EP state.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some systems using edge triggered ACPI Event Interrupts, the initial
state at boot is not setup by the firmware, instead relying on the edge
irq event handler running at least once to setup the initial state.
2 known examples of this are:
1) The Surface 3 has its _LID state controlled by an ACPI operation region
triggered by a GPIO event:
OperationRegion (GPOR, GeneralPurposeIo, Zero, One)
Field (GPOR, ByteAcc, NoLock, Preserve)
{
Connection (
GpioIo (Shared, PullNone, 0x0000, 0x0000, IoRestrictionNone,
"\\_SB.GPO0", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x004C
}
),
HELD, 1
}
Method (_E4C, 0, Serialized) // _Exx: Edge-Triggered GPE
{
If ((HELD == One))
{
^^LID.LIDB = One
}
Else
{
^^LID.LIDB = Zero
Notify (LID, 0x80) // Status Change
}
Notify (^^PCI0.SPI1.NTRG, One) // Device Check
}
Currently, the state of LIDB is wrong until the user actually closes or
open the cover. We need to trigger the GPIO event once to update the
internal ACPI state.
Coincidentally, this also enables the Surface 2 integrated HID sensor hub
which also requires an ACPI gpio operation region to start initialization.
2) Various Bay Trail based tablets come with an external USB mux and
TI T1210B USB phy to enable USB gadget mode. The mux is controlled by a
GPIO which is controlled by an edge triggered ACPI Event Interrupt which
monitors the micro-USB ID pin.
When the tablet is connected to a PC (or no cable is plugged in), the ID
pin is high and the tablet should be in gadget mode. But the GPIO
controlling the mux is initialized by the firmware so that the USB data
lines are muxed to the host controller.
This means that if the user wants to use gadget mode, the user needs to
first plug in a host-cable to force the ID pin low and then unplug it
and connect the tablet to a PC, to get the ACPI event handler to run and
switch the mux to device mode,
This commit fixes both by running the event-handler once on boot.
Note that the running of the event-handler is done from a late_initcall,
this is done because the handler AML code may rely on OperationRegions
registered by other builtin drivers. This avoids errors like these:
[ 0.133026] ACPI Error: No handler for Region [XSCG] ((____ptrval____)) [GenericSerialBus] (20180531/evregion-132)
[ 0.133036] ACPI Error: Region GenericSerialBus (ID=9) has no handler (20180531/exfldio-265)
[ 0.133046] ACPI Error: Method parse/execution failed \_SB.GPO2._E12, AE_NOT_EXIST (20180531/psparse-516)
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
[hdegoede: Document BYT USB mux reliance on initial trigger]
[hdegoede: Run event handler from a late_initcall, rather then immediately]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In commit ab123fe071 ("enic: handle mtu change for vf properly")
ASSERT_RTNL() is added to _enic_change_mtu() to prevent it from being
called without rtnl held. enic_probe() calls enic_change_mtu()
without rtnl held. At this point netdev is not registered yet.
Remove call to enic_change_mtu and assign the mtu to netdev->mtu.
Fixes: ab123fe071 ("enic: handle mtu change for vf properly")
Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After introduction of the cited commit, mlx5e_build_nic_params
receives the netdevice mtu in order to set the sw_mtu of mlx5e_params.
For enhanced IPoIB, the netdevice mtu is not set in this stage,
therefore, the initial sw_mtu equals zero. As a result, the hw_mtu
of the receive queue will be calculated incorrectly causing traffic
issues.
To fix this issue, query for port mtu before building the nic params.
Fixes: 472a1e44b3 ("net/mlx5e: Save MTU in channels params")
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
MTU helper function is used by both conventional mlx5e
instances (PF/VF) and the eswitch representors. The representor
shouldn't change the nic vport context MTU, the VF is responsible for
that. Therefore set_mtu_cb has a null value when changing the
representor MTU.
Fixes: 250a42b6a7 ("net/mlx5e: Support configurable MTU for vport representors")
Signed-off-by: Adi Nissim <adin@mellanox.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The hairpin offload code has dependency on the trust mode being PCP.
Hence we should set PCP as the default for handling cases where we are
disallowed to read the trust mode from the FW, or failed to initialize it.
Fixes: 106be53b6b ('net/mlx5e: Set per priority hairpin pairs')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Execute mlx5_eswitch_init() only if we have MLX5_ESWITCH_MANAGER
capabilities.
Do the same for mlx5_eswitch_cleanup().
Fixes: a9f7705ffd ("net/mlx5: Unify vport manager capability check")
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Version 1 of the patch adding SERDES support to the 88E6141/6341
correctly added the ops to the 88E6141/6341. However, by the time
version 3 was committed, the ops had moved to the 88E6085/6175. Put
them back where they belong.
Fixes: 5bafeb6e7e ("net: dsa: mv88e6xxx: 88E6141/6341 SERDES support")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Last set of fixes before 4.18 is released
iwlwifi
* add new IDs for cards already available on the market
brcmfmac
* fix a regression introduced in v4.17
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Merge tag 'wireless-drivers-for-davem-2018-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.18
Last set of fixes before 4.18 is released
iwlwifi
* add new IDs for cards already available on the market
brcmfmac
* fix a regression introduced in v4.17
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Nine fixes, five in the qla2xxx driver, the most serious of which is
the uninitialized list head crash which can be observed in most
systems under a sufficiently loaded low memory environment. The two
sg fixes are minor but obvious and two target ones which seem
reasonable but not high impact.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Nine fixes, five in the qla2xxx driver, the most serious of which is
the uninitialized list head crash which can be observed in most
systems under a sufficiently loaded low memory environment.
The two sg fixes are minor but obvious and two target ones which seem
reasonable but not high impact"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Return error when TMF returns
scsi: qla2xxx: Fix ISP recovery on unload
scsi: qla2xxx: Fix driver unload by shutting down chip
scsi: qla2xxx: Fix NPIV deletion by calling wait_for_sess_deletion
scsi: qla2xxx: Fix unintialized List head crash
scsi: sg: update comment for blk_get_request()
scsi: sg: fix minor memory leak in error path
scsi: libiscsi: fix possible NULL pointer dereference in case of TMF
scsi: target: iscsi: cxgbit: fix max iso npdu calculation
Some bugfixes that seem important and safe enough to merge at the last
minute.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some bugfixes that seem important and safe enough to merge at the last
minute"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_balloon: fix another race between migration and ballooning
tools/virtio: add kmalloc_array stub
tools/virtio: add dma barrier stubs
