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Merge tag 'printk-for-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk fix from Petr Mladek:
"Revert a commit that caused "quiet", "debug", and "loglevel" early
parameters to be ignored for early boot messages"
* tag 'printk-for-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
Revert "printk: make sure to print log on console."
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Merge tag 'ovl-fixes-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"This fixes a regression in the recent file stacking update, reported
and fixed by Amir Goldstein. The fix is fairly trivial, but involves
adding a fadvise() f_op and the associated churn in the vfs. As
discussed on -fsdevel, there are other possible uses for this method,
than allowing proper stacking for overlays.
And there's one other fix for a syzkaller detected oops"
* tag 'ovl-fixes-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix oopses in ovl_fill_super() failure paths
ovl: add ovl_fadvise()
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
vfs: add the fadvise() file operation
Documentation/filesystems: update documentation of file_operations
ovl: fix GPF in swapfile_activate of file from overlayfs over xfs
ovl: respect FIEMAP_FLAG_SYNC flag
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Merge tag 'for-linus-20180913' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Three fixes that should go into this series. This contains:
- Increase number of policies supported by blk-cgroup.
With blk-iolatency, we now have four in kernel, but we had a hard
limit of three...
- Fix regression in null_blk, where the zoned supported broke
queue_mode=0 (bio based).
- NVMe pull request, with a single fix for an issue in the rdma code"
* tag 'for-linus-20180913' of git://git.kernel.dk/linux-block:
null_blk: fix zoned support for non-rq based operation
blk-cgroup: increase number of supported policies
nvmet-rdma: fix possible bogus dereference under heavy load
asynchronous crypto hadsh API.
- Fix to both DM crypt and DM integrity targets to discontinue using
CRYPTO_TFM_REQ_MAY_SLEEP because its use of GFP_KERNEL can lead to
deadlock by recursing back into a filesystem.
- Various DM raid fixes related to reshape and rebuild races.
- Fix for DM thin-provisioning to avoid data corruption that was a
side-effect of needing to abort DM thin metadata transaction due to
running out of metadata space. Fix is to reserve a small amount of
metadata space so that once it is used the DM thin-pool can finish its
active transaction before switching to read-only mode.
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Merge tag 'for-4.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- DM verity fix for crash due to using vmalloc'd buffers with the
asynchronous crypto hadsh API.
- Fix to both DM crypt and DM integrity targets to discontinue using
CRYPTO_TFM_REQ_MAY_SLEEP because its use of GFP_KERNEL can lead to
deadlock by recursing back into a filesystem.
- Various DM raid fixes related to reshape and rebuild races.
- Fix for DM thin-provisioning to avoid data corruption that was a
side-effect of needing to abort DM thin metadata transaction due to
running out of metadata space. Fix is to reserve a small amount of
metadata space so that once it is used the DM thin-pool can finish
its active transaction before switching to read-only mode.
* tag 'for-4.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm thin metadata: try to avoid ever aborting transactions
dm raid: bump target version, update comments and documentation
dm raid: fix RAID leg rebuild errors
dm raid: fix rebuild of specific devices by updating superblock
dm raid: fix stripe adding reshape deadlock
dm raid: fix reshape race on small devices
dm: disable CRYPTO_TFM_REQ_MAY_SLEEP to fix a GFP_KERNEL recursion deadlock
dm verity: fix crash on bufio buffer that was allocated with vmalloc
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Merge tag 'drm-fixes-2018-09-14' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is the general drm fixes pull for rc4.
i915:
- Two GVT fixes (one for the mm reference issue you pointed out)
- Gen 2 video playback fix
- IPS timeout error suppression on Broadwell
amdgpu:
- Small memory leak
- SR-IOV reset
- locking fix
- updated SDMA golden registers
nouveau:
- Remove some leftover debugging"
* tag 'drm-fixes-2018-09-14' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/devinit: fix warning when PMU/PRE_OS is missing
drm/amdgpu: fix error handling in amdgpu_cs_user_fence_chunk
drm/i915/overlay: Allocate physical registers from stolen
drm/amdgpu: move PSP init prior to IH in gpu reset
drm/amdgpu: Fix SDMA hang in prt mode v2
drm/amdgpu: fix amdgpu_mn_unlock() in the CS error path
drm/i915/bdw: Increase IPS disable timeout to 100ms
drm/i915/gvt: Fix the incorrect length of child_device_config issue
drm/i915/gvt: Fix life cycle reference on KVM mm
- A complicated IRQ fix for the MSM driver (see commit).
- Fix the group/function check in the Ingenic driver.
- Deal with a possible NULL pointer dereference in the Madera
driver.
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Merge tag 'pinctrl-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- A complicated IRQ fix for the MSM driver (see commit)
- Fix the group/function check in the Ingenic driver
- Deal with a possible NULL pointer dereference in the Madera driver
* tag 'pinctrl-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: madera: Fix possible NULL pointer with pdata config
pinctrl: ingenic: Fix group & function error checking
pinctrl: msm: Really mask level interrupts to prevent latching
Pull percpu maintainership update from Tejun Heo:
"This updates the MAINTAINERS file to transfer the percpu tree
maintainership to Dennis Zhou.
Dennis rewrote a good portion of the percpu allocator, knows most of
percpu related code, is already listed as a co-maintainer, has been
reliable, and now sits right behind me. I'll keep reviewing and
involved with percpu stuff and am sure that Dennis will soon make a
better maintainer than I ever was"
* 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
MAINTAINERS: Make Dennis the percpu tree maintainer
Pull hexagon fixes from Richard Kuo:
"Some fixes for compile warnings"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel:
hexagon: modify ffs() and fls() to return int
arch/hexagon: fix kernel/dma.c build warning
One fix for the zcrypt driver to correctly handle incomplete
encryption/decryption operations.
A cleanup for the aqmask/apmask parsing to avoid variable
length arrays on the stack.
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Merge tag 's390-4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
- One fix for the zcrypt driver to correctly handle incomplete
encryption/decryption operations.
- A cleanup for the aqmask/apmask parsing to avoid variable length
arrays on the stack.
* tag 's390-4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: remove VLA usage from the AP bus
s390/crypto: Fix return code checking in cbc_paes_crypt()
Jann Horn points out that the vmacache_flush_all() function is not only
potentially expensive, it's buggy too. It also happens to be entirely
unnecessary, because the sequence number overflow case can be avoided by
simply making the sequence number be 64-bit. That doesn't even grow the
data structures in question, because the other adjacent fields are
already 64-bit.
So simplify the whole thing by just making the sequence number overflow
case go away entirely, which gets rid of all the complications and makes
the code faster too. Win-win.
[ Oleg Nesterov points out that the VMACACHE_FULL_FLUSHES statistics
also just goes away entirely with this ]
Reported-by: Jann Horn <jannh@google.com>
Suggested-by: Will Deacon <will.deacon@arm.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
a IPS timeout error suppression on Broadwell and GVT bucked with
"Most critical one is to fix KVM's mm reference when we access guest memory,
issue was raised by Linus [1], and another one with virtual opregion fix."
[1] - https://lists.freedesktop.org/archives/intel-gvt-dev/2018-August/004130.html
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Merge tag 'drm-intel-fixes-2018-09-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
This contains a regression fix for video playbacks on gen 2 hardware,
a IPS timeout error suppression on Broadwell and GVT bucked with
"Most critical one is to fix KVM's mm reference when we access guest memory,
issue was raised by Linus [1], and another one with virtual opregion fix."
[1] - https://lists.freedesktop.org/archives/intel-gvt-dev/2018-August/004130.html
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180911223229.GA30328@intel.com
Dennis rewrote a significant portion of the percpu allocator and has
shown that he can respond in a timely and helpful manner when issues
are reported against percpu allocator.
Let's make Dennis the percpu tree maintainer.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
persistent_ram_vmap() returns the page start vaddr.
persistent_ram_iomap() supports non-page-aligned mapping.
persistent_ram_buffer_map() always adds offset-in-page to the vaddr
returned from these two functions, which causes incorrect mapping of
non-page-aligned persistent ram buffer.
By default ftrace_size is 4096 and max_ftrace_cnt is nr_cpu_ids. Without
this patch, the zone_sz in ramoops_init_przs() is 4096/nr_cpu_ids which
might not be page aligned. If the offset-in-page > 2048, the vaddr will be
in next page. If the next page is not mapped, it will cause kernel panic:
[ 0.074231] BUG: unable to handle kernel paging request at ffffa19e0081b000
...
[ 0.075000] RIP: 0010:persistent_ram_new+0x1f8/0x39f
...
[ 0.075000] Call Trace:
[ 0.075000] ramoops_init_przs.part.10.constprop.15+0x105/0x260
[ 0.075000] ramoops_probe+0x232/0x3a0
[ 0.075000] platform_drv_probe+0x3e/0xa0
[ 0.075000] driver_probe_device+0x2cd/0x400
[ 0.075000] __driver_attach+0xe4/0x110
[ 0.075000] ? driver_probe_device+0x400/0x400
[ 0.075000] bus_for_each_dev+0x70/0xa0
[ 0.075000] driver_attach+0x1e/0x20
[ 0.075000] bus_add_driver+0x159/0x230
[ 0.075000] ? do_early_param+0x95/0x95
[ 0.075000] driver_register+0x70/0xc0
[ 0.075000] ? init_pstore_fs+0x4d/0x4d
[ 0.075000] __platform_driver_register+0x36/0x40
[ 0.075000] ramoops_init+0x12f/0x131
[ 0.075000] do_one_initcall+0x4d/0x12c
[ 0.075000] ? do_early_param+0x95/0x95
[ 0.075000] kernel_init_freeable+0x19b/0x222
[ 0.075000] ? rest_init+0xbb/0xbb
[ 0.075000] kernel_init+0xe/0xfc
[ 0.075000] ret_from_fork+0x3a/0x50
Signed-off-by: Bin Yang <bin.yang@intel.com>
[kees: add comments describing the mapping differences, updated commit log]
Fixes: 24c3d2f342 ("staging: android: persistent_ram: Make it possible to use memory outside of bootmem")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
for cd2315d "ipmi: kcs_bmc: don't change device name" which is for a
driver that very few people use, and those people need the change.
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Merge tag 'for-linus-4.19' of git://github.com/cminyard/linux-ipmi
Pull IPMI bugfixes from Corey Minyard:
"A few fixes that came around or after the merge window, except for
commit cd2315d471 ("ipmi: kcs_bmc: don't change device name") which
is for a driver that very few people use, and those people need the
change"
* tag 'for-linus-4.19' of git://github.com/cminyard/linux-ipmi:
ipmi: Fix NULL pointer dereference in ssif_probe
ipmi: Fix I2C client removal in the SSIF driver
ipmi: Move BT capabilities detection to the detect call
ipmi: Rework SMI registration failure
ipmi: kcs_bmc: don't change device name
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Merge tag 'drm-fixes-2018-09-12' of git://anongit.freedesktop.org/drm/drm
Pull drm nouveau fixes from Dave Airlie:
"I'm sending this separately as it's a bit larger than I generally like
for one driver, but it does contain a bunch of make my nvidia laptop
not die (runpm) and a bunch to make my docking station and monitor
display stuff (mst) fixes.
Lyude has spent a lot of time on these, and we are putting the fixes
into distro kernels as well asap, as it helps a bunch of standard
Lenovo laptops, so I'm fairly happy things are better than they were
before these patches, but I decided to split them out just for
clarification"
* tag 'drm-fixes-2018-09-12' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/disp/gm200-: enforce identity-mapped SOR assignment for LVDS/eDP panels
drm/nouveau/disp: fix DP disable race
drm/nouveau/disp: move eDP panel power handling
drm/nouveau/disp: remove unused struct member
drm/nouveau/TBDdevinit: don't fail when PMU/PRE_OS is missing from VBIOS
drm/nouveau/mmu: don't attempt to dereference vmm without valid instance pointer
drm/nouveau: fix oops in client init failure path
drm/nouveau: Fix nouveau_connector_ddc_detect()
drm/nouveau/drm/nouveau: Don't forget to cancel hpd_work on suspend/unload
drm/nouveau/drm/nouveau: Prevent handling ACPI HPD events too early
drm/nouveau: Reset MST branching unit before enabling
drm/nouveau: Only write DP_MSTM_CTRL when needed
drm/nouveau: Remove useless poll_enable() call in drm_load()
drm/nouveau: Remove useless poll_disable() call in switcheroo_set_state()
drm/nouveau: Remove useless poll_enable() call in switcheroo_set_state()
drm/nouveau: Fix deadlocks in nouveau_connector_detect()
drm/nouveau/drm/nouveau: Use pm_runtime_get_noresume() in connector_detect()
drm/nouveau/drm/nouveau: Fix deadlock with fb_helper with async RPM requests
drm/nouveau: Remove duplicate poll_enable() in pmops_runtime_suspend()
drm/nouveau/drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement
Pull networking fixes from David Miller:
1) Fix up several Kconfig dependencies in netfilter, from Martin Willi
and Florian Westphal.
2) Memory leak in be2net driver, from Petr Oros.
3) Memory leak in E-Switch handling of mlx5 driver, from Raed Salem.
4) mlx5_attach_interface needs to check for errors, from Huy Nguyen.
5) tipc_release() needs to orphan the sock, from Cong Wang.
6) Need to program TxConfig register after TX/RX is enabled in r8169
driver, not beforehand, from Maciej S. Szmigiero.
7) Handle 64K PAGE_SIZE properly in ena driver, from Netanel Belgazal.
8) Fix crash regression in ip_do_fragment(), from Taehee Yoo.
9) syzbot can create conditions where kernel log is flooded with
synflood warnings due to creation of many listening sockets, fix
that. From Willem de Bruijn.
10) Fix RCU issues in rds socket layer, from Cong Wang.
11) Fix vlan matching in nfp driver, from Pieter Jansen van Vuuren.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (59 commits)
nfp: flower: reject tunnel encap with ipv6 outer headers for offloading
nfp: flower: fix vlan match by checking both vlan id and vlan pcp
tipc: check return value of __tipc_dump_start()
s390/qeth: don't dump past end of unknown HW header
s390/qeth: use vzalloc for QUERY OAT buffer
s390/qeth: switch on SG by default for IQD devices
s390/qeth: indicate error when netdev allocation fails
rds: fix two RCU related problems
r8169: Clear RTL_FLAG_TASK_*_PENDING when clearing RTL_FLAG_TASK_ENABLED
erspan: fix error handling for erspan tunnel
erspan: return PACKET_REJECT when the appropriate tunnel is not found
tcp: rate limit synflood warnings further
MIPS: lantiq: dma: add dev pointer
netfilter: xt_hashlimit: use s->file instead of s->private
netfilter: nfnetlink_queue: Solve the NFQUEUE/conntrack clash for NF_REPEAT
netfilter: cttimeout: ctnl_timeout_find_get() returns incorrect pointer to type
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
netfilter: conntrack: reset tcp maxwin on re-register
qmi_wwan: Support dynamic config on Quectel EP06
ethernet: renesas: convert to SPDX identifiers
...
Messed up when sending pull request and sent an outdated version of
previous patch, this fixes it up to remove warnings.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The supported added for zones in null_blk seem to assume that only rq
based operation is possible. But this depends on the queue_mode setting,
if this is set to 0, then cmd->bio is what we need to be operating on.
Right now any attempt to load null_blk with queue_mode=0 will
insta-crash, since cmd->rq is NULL and null_handle_cmd() assumes it to
always be set.
Make the zoned code deal with bio's instead, or pass in the
appropriate sector/nr_sectors instead.
Fixes: ca4b2a0119 ("null_blk: add zone support")
Tested-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Jakub Kicinski says:
====================
nfp: flower: fixes for flower offload
Two fixes for flower matching and tunnel encap. Pieter fixes
VLAN matching if the entire VLAN id is masked out and match
is only performed on the PCP field. Louis adds validation of
tunnel flags for encap, most importantly we should not offload
actions on IPv6 tunnels if it's not supported.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes a bug where ipv6 tunnels would report that it is
getting offloaded to hardware but would actually be rejected
by hardware.
Fixes: b27d6a95a7 ("nfp: compile flower vxlan tunnel set actions")
Signed-off-by: Louis Peens <louis.peens@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Previously we only checked if the vlan id field is present when trying
to match a vlan tag. The vlan id and vlan pcp field should be treated
independently.
Fixes: 5571e8c9f2 ("nfp: extend flower matching capabilities")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When __tipc_dump_start() fails with running out of memory,
we have no reason to continue, especially we should avoid
calling tipc_dump_done().
Fixes: 8f5c5fcf35 ("tipc: call start and done ops directly in __tipc_nl_compat_dumpit()")
Reported-and-tested-by: syzbot+3f8324abccfbf8c74a9f@syzkaller.appspotmail.com
Cc: Jon Maloy <jon.maloy@ericsson.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann says:
====================
s390/qeth: fixes 2018-09-12
please apply the following qeth fixes for -net.
Patch 1 resolves a regression in an error path, while patch 2 enables
the SG support by default that was newly introduced with 4.19.
Patch 3 takes care of a longstanding problem with large-order
allocations, and patch 4 fixes a potential out-of-bounds access.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
For inbound data with an unsupported HW header format, only dump the
actual HW header. We have no idea how much payload follows it, and what
it contains. Worst case, we dump past the end of the Inbound Buffer and
access whatever is located next in memory.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
qeth_query_oat_command() currently allocates the kernel buffer for
the SIOC_QETH_QUERY_OAT ioctl with kzalloc. So on systems with
fragmented memory, large allocations may fail (eg. the qethqoat tool by
default uses 132KB).
Solve this issue by using vzalloc, backing the allocation with
non-contiguous memory.
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Scatter-gather transmit brings a nice performance boost. Considering the
rather large MTU sizes at play, it's also totally the Right Thing To Do.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bailing out on allocation error is nice, but we also need to tell the
ccwgroup core that creating the qeth groupdev failed.
Fixes: d3d1b205e8 ("s390/qeth: allocate netdevice early")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This tag contains what I hope to be the last RISC-V patch for 4.19. It
fixes a bug in our initramfs support by removing some broken and
obselete code.
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Merge tag 'riscv-for-linus-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fix from Palmer Dabbelt:
"This contains what I hope to be the last RISC-V patch for 4.19.
It fixes a bug in our initramfs support by removing some broken and
obselete code"
* tag 'riscv-for-linus-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
riscv: Do not overwrite initrd_start and initrd_end
Three fixes, all in drivers (qedi and iscsi target) so no wider impact
even if the code changes are a bit extensive.
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:
"Three fixes, all in drivers (qedi and iscsi target) so no wider impact
even if the code changes are a bit extensive"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qedi: Add the CRC size within iSCSI NVM image
scsi: iscsi: target: Fix conn_ops double free
scsi: iscsi: target: Set conn->sess to NULL when iscsi_login_set_conn_values fails
The use of variable length arrays on the stack is deprecated.
git commit 3d8f60d38e
"s390/zcrypt: hex string mask improvements for apmask and aqmask."
added three new VLA arrays. Remove them again.
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
When a rds sock is bound, it is inserted into the bind_hash_table
which is protected by RCU. But when releasing rds sock, after it
is removed from this hash table, it is freed immediately without
respecting RCU grace period. This could cause some use-after-free
as reported by syzbot.
Mark the rds sock with SOCK_RCU_FREE before inserting it into the
bind_hash_table, so that it would be always freed after a RCU grace
period.
The other problem is in rds_find_bound(), the rds sock could be
freed in between rhashtable_lookup_fast() and rds_sock_addref(),
so we need to extend RCU read lock protection in rds_find_bound()
to close this race condition.
Reported-and-tested-by: syzbot+8967084bcac563795dc6@syzkaller.appspotmail.com
Reported-by: syzbot+93a5839deb355537440f@syzkaller.appspotmail.com
Cc: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Cc: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Cc: rds-devel@oss.oracle.com
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oarcle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After system suspend, sometimes the r8169 doesn't work when ethernet
cable gets pluggued.
This issue happens because rtl_reset_work() doesn't get called from
rtl8169_runtime_resume(), after system suspend.
In rtl_task(), RTL_FLAG_TASK_* only gets cleared if this condition is
met:
if (!netif_running(dev) ||
!test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
...
If RTL_FLAG_TASK_ENABLED was cleared during system suspend while
RTL_FLAG_TASK_RESET_PENDING was set, the next rtl_schedule_task() won't
schedule task as the flag is still there.
So in addition to clearing RTL_FLAG_TASK_ENABLED, also clears other
flags.
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When processing icmp unreachable message for erspan tunnel, tunnel id
should be erspan_net_id instead of ipgre_net_id.
Fixes: 84e54fe0a5 ("gre: introduce native tunnel support for ERSPAN")
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If erspan tunnel hasn't been established, we'd better send icmp port
unreachable message after receive erspan packets.
Fixes: 84e54fe0a5 ("gre: introduce native tunnel support for ERSPAN")
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert pr_info to net_info_ratelimited to limit the total number of
synflood warnings.
Commit 946cedccbd ("tcp: Change possible SYN flooding messages")
rate limits synflood warnings to one per listener.
Workloads that open many listener sockets can still see a high rate of
log messages. Syzkaller is one frequent example.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dma_zalloc_coherent() now crashes if no dev pointer is given.
Add a dev pointer to the ltq_dma_channel structure and fill it in the
driver using it.
This fixes a bug introduced in kernel 4.19.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for you net tree:
1) Remove duplicated include at the end of UDP conntrack, from Yue Haibing.
2) Restore conntrack dependency on xt_cluster, from Martin Willi.
3) Fix splat with GSO skbs from the checksum target, from Florian Westphal.
4) Rework ct timeout support, the template strategy to attach custom timeouts
is not correct since it will not work in conjunction with conntrack zones
and we have a possible free after use when removing the rule due to missing
refcounting. To fix these problems, do not use conntrack template at all
and set custom timeout on the already valid conntrack object. This
fix comes with a preparation patch to simplify timeout adjustment by
initializating the first position of the timeout array for all of the
existing trackers. Patchset from Florian Westphal.
5) Fix missing dependency on from IPv4 chain NAT type, from Florian.
6) Release chain reference counter from the flush path, from Taehee Yoo.
7) After flushing an iptables ruleset, conntrack hooks are unregistered
and entries are left stale to be cleaned up by the timeout garbage
collector. No TCP tracking is done on established flows by this time.
If ruleset is reloaded, then hooks are registered again and TCP
tracking is restored, which considers packets to be invalid. Clear
window tracking to exercise TCP flow pickup from the middle given that
history is lost for us. Again from Florian.
8) Fix crash from netlink interface with CONFIG_NF_CONNTRACK_TIMEOUT=y
and CONFIG_NF_CT_NETLINK_TIMEOUT=n.
9) Broken CT target due to returning incorrect type from
ctnl_timeout_find_get().
10) Solve conntrack clash on NF_REPEAT verdicts too, from Michal Vaner.
11) Missing conversion of hashlimit sysctl interface to new API, from
Cong Wang.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Set the eetlp_prefix_path on PCIE_EXP_TYPE_RC_END devices to allow PASID
to be enabled on them. This fixes IOMMUv2 initialization on AMD Carrizo
APUs.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201079
Fixes: 7ce3f912ae ("PCI: Enable PASID only if entire path supports End-End TLP prefixes")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Calling into the new API to reset the secondary bus results in a deadlock.
This occurs because the device/bus is already locked at probe time.
Reverting back to the old behavior while the API is improved.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200985
Fixes: c6a44ba950 ("PCI: Rename pci_try_reset_bus() to pci_reset_bus()")
Fixes: 409888e096 ("IB/hfi1: Use pci_try_reset_bus() for initiating PCI Secondary Bus Reset")
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>
The pci_reset_bus() function calls pci_probe_reset_slot() to determine
whether to call the slot or bus reset. The check has faulty logic in that
it does not account for pci_probe_reset_slot() being able to return an
errno. Fix by only calling the slot reset when the function returns 0.
Fixes: 811c5cb37d ("PCI: Unify try slot and bus reset API")
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>
Pull HID fixes from Jiri Kosina:
- functional regression fix for sensor-hub driver from Hans de Goede
- stop doing device reset for i2c-hid devices, which unbreaks some of
them (and is in line with the specification), from Kai-Heng Feng
- error handling fix for hid-core from Gustavo A. R. Silva
- functional regression fix for some Elan panels from Benjamin
Tissoires
- a few new device ID additions and misc small fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: i2c-hid: Don't reset device upon system resume
HID: sensor-hub: Restore fixup for Lenovo ThinkPad Helix 2 sensor hub report
HID: core: fix NULL pointer dereference
HID: core: fix grouping by application
HID: multitouch: fix Elan panels with 2 input modes declaration
HID: hid-saitek: Add device ID for RAT 7 Contagion
HID: core: fix memory leak on probe
HID: input: fix leaking custom input node name
HID: add support for Apple Magic Keyboards
HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen
HID: intel-ish-hid: Enable Sunrise Point-H ish driver
Slowly leaking memory one page at a time :)
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- Fix possible FD type confusion crash
- Fix a user trigger-able crash in cxgb4
- Fix bad handling of IOMMU resources causing user controlled leaking in
bnxt
- Add missing locking in ipoib to fix a rare 'stuck tx' situation
- Add missing locking in cma
- Add two missing missing uverbs cleanups on failure paths, regressions
from this merge window
- Fix a regression from this merge window that caused RDMA NFS to not work
with the mlx4 driver due to the max_sg changes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"This fixes one major regression with NFS and mlx4 due to the max_sg
rework in this merge window, tidies a few minor error_path
regressions, and various small fixes.
The HFI1 driver is broken this cycle due to a regression caused by a
PCI change, it is looking like Bjorn will merge a fix for this. Also,
the lingering ipoib issue I mentioned earlier still remains unfixed.
Summary:
- Fix possible FD type confusion crash
- Fix a user trigger-able crash in cxgb4
- Fix bad handling of IOMMU resources causing user controlled leaking
in bnxt
- Add missing locking in ipoib to fix a rare 'stuck tx' situation
- Add missing locking in cma
- Add two missing missing uverbs cleanups on failure paths,
regressions from this merge window
- Fix a regression from this merge window that caused RDMA NFS to not
work with the mlx4 driver due to the max_sg changes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx4: Ensure that maximal send/receive SGE less than supported by HW
RDMA/cma: Protect cma dev list with lock
RDMA/uverbs: Fix error cleanup path of ib_uverbs_add_one()
bnxt_re: Fix couple of memory leaks that could lead to IOMMU call traces
IB/ipoib: Avoid a race condition between start_xmit and cm_rep_handler
iw_cxgb4: only allow 1 flush on user qps
IB/core: Release object lock if destroy failed
RDMA/ucma: check fd type in ucma_migrate_id()
After merging the iolatency policy, we potentially now have 4 policies
being registered, but only support 3. This causes one of them to fail
loading. Takashi reports that BFQ no longer works for him, because it
fails to load due to policy registration failure.
Bump to 5 policies, and also add a warning for when we have exceeded
the global amount. If we have to touch this again, we should switch
to a dynamic scheme instead.
Reported-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Given that we are now reasonably confident in our ability to detect and
reserve the stolen memory (physical memory reserved for graphics by the
BIOS) for ourselves on most machines, we can put it to use. In this
case, we need a page to hold the overlay registers.
On an i915g running MythTv, H Buus noticed that
commit 6a2c4232ec
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Nov 4 04:51:40 2014 -0800
drm/i915: Make the physical object coherent with GTT
introduced stuttering into his video playback. After discarding the
likely suspect of it being the physical cursor updates, we were left
with the use of the phys object for the overlay. And lo, if we
completely avoid using the phys object (allocated just once on module
load!) by switching to stolen memory, the stuttering goes away.
For lack of a better explanation, claim victory and kill two birds with
one stone.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107600
Fixes: 6a2c4232ec ("drm/i915: Make the physical object coherent with GTT")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180906190144.1272-1-chris@chris-wilson.co.uk
(cherry picked from commit c8124d3992)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
