Commit Graph

1105669 Commits

Author SHA1 Message Date
Zhang Yi
b55c3cd102 ext4: add reserved GDT blocks check
We capture a NULL pointer issue when resizing a corrupt ext4 image which
is freshly clear resize_inode feature (not run e2fsck). It could be
simply reproduced by following steps. The problem is because of the
resize_inode feature was cleared, and it will convert the filesystem to
meta_bg mode in ext4_resize_fs(), but the es->s_reserved_gdt_blocks was
not reduced to zero, so could we mistakenly call reserve_backup_gdb()
and passing an uninitialized resize_inode to it when adding new group
descriptors.

 mkfs.ext4 /dev/sda 3G
 tune2fs -O ^resize_inode /dev/sda #forget to run requested e2fsck
 mount /dev/sda /mnt
 resize2fs /dev/sda 8G

 ========
 BUG: kernel NULL pointer dereference, address: 0000000000000028
 CPU: 19 PID: 3243 Comm: resize2fs Not tainted 5.18.0-rc7-00001-gfde086c5ebfd #748
 ...
 RIP: 0010:ext4_flex_group_add+0xe08/0x2570
 ...
 Call Trace:
  <TASK>
  ext4_resize_fs+0xbec/0x1660
  __ext4_ioctl+0x1749/0x24e0
  ext4_ioctl+0x12/0x20
  __x64_sys_ioctl+0xa6/0x110
  do_syscall_64+0x3b/0x90
  entry_SYSCALL_64_after_hwframe+0x44/0xae
 RIP: 0033:0x7f2dd739617b
 ========

The fix is simple, add a check in ext4_resize_begin() to make sure that
the es->s_reserved_gdt_blocks is zero when the resize_inode feature is
disabled.

Cc: stable@kernel.org
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220601092717.763694-1-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:36:08 -04:00
Ding Xiang
bc75a6eb85 ext4: make variable "count" signed
Since dx_make_map() may return -EFSCORRUPTED now, so change "count" to
be a signed integer so we can correctly check for an error code returned
by dx_make_map().

Fixes: 46c116b920 ("ext4: verify dir block before splitting it")
Cc: stable@kernel.org
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20220530100047.537598-1-dingxiang@cmss.chinamobile.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:57 -04:00
Baokun Li
cf4ff938b4 ext4: correct the judgment of BUG in ext4_mb_normalize_request
ext4_mb_normalize_request() can move logical start of allocated blocks
to reduce fragmentation and better utilize preallocation. However logical
block requested as a start of allocation (ac->ac_o_ex.fe_logical) should
always be covered by allocated blocks so we should check that by
modifying and to or in the assertion.

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220528110017.354175-3-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:57 -04:00
Baokun Li
a08f789d2a ext4: fix bug_on ext4_mb_use_inode_pa
Hulk Robot reported a BUG_ON:
==================================================================
kernel BUG at fs/ext4/mballoc.c:3211!
[...]
RIP: 0010:ext4_mb_mark_diskspace_used.cold+0x85/0x136f
[...]
Call Trace:
 ext4_mb_new_blocks+0x9df/0x5d30
 ext4_ext_map_blocks+0x1803/0x4d80
 ext4_map_blocks+0x3a4/0x1a10
 ext4_writepages+0x126d/0x2c30
 do_writepages+0x7f/0x1b0
 __filemap_fdatawrite_range+0x285/0x3b0
 file_write_and_wait_range+0xb1/0x140
 ext4_sync_file+0x1aa/0xca0
 vfs_fsync_range+0xfb/0x260
 do_fsync+0x48/0xa0
[...]
==================================================================

Above issue may happen as follows:
-------------------------------------
do_fsync
 vfs_fsync_range
  ext4_sync_file
   file_write_and_wait_range
    __filemap_fdatawrite_range
     do_writepages
      ext4_writepages
       mpage_map_and_submit_extent
        mpage_map_one_extent
         ext4_map_blocks
          ext4_mb_new_blocks
           ext4_mb_normalize_request
            >>> start + size <= ac->ac_o_ex.fe_logical
           ext4_mb_regular_allocator
            ext4_mb_simple_scan_group
             ext4_mb_use_best_found
              ext4_mb_new_preallocation
               ext4_mb_new_inode_pa
                ext4_mb_use_inode_pa
                 >>> set ac->ac_b_ex.fe_len <= 0
           ext4_mb_mark_diskspace_used
            >>> BUG_ON(ac->ac_b_ex.fe_len <= 0);

we can easily reproduce this problem with the following commands:
	`fallocate -l100M disk`
	`mkfs.ext4 -b 1024 -g 256 disk`
	`mount disk /mnt`
	`fsstress -d /mnt -l 0 -n 1000 -p 1`

The size must be smaller than or equal to EXT4_BLOCKS_PER_GROUP.
Therefore, "start + size <= ac->ac_o_ex.fe_logical" may occur
when the size is truncated. So start should be the start position of
the group where ac_o_ex.fe_logical is located after alignment.
In addition, when the value of fe_logical or EXT4_BLOCKS_PER_GROUP
is very large, the value calculated by start_off is more accurate.

Cc: stable@kernel.org
Fixes: cd648b8a8f ("ext4: trim allocation requests to group size")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220528110017.354175-2-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:43 -04:00
Eric Biggers
85456054e1 ext4: fix up test_dummy_encryption handling for new mount API
Since ext4 was converted to the new mount API, the test_dummy_encryption
mount option isn't being handled entirely correctly, because the needed
fscrypt_set_test_dummy_encryption() helper function combines
parsing/checking/applying into one function.  That doesn't work well
with the new mount API, which split these into separate steps.

This was sort of okay anyway, due to the parsing logic that was copied
from fscrypt_set_test_dummy_encryption() into ext4_parse_param(),
combined with an additional check in ext4_check_test_dummy_encryption().
However, these overlooked the case of changing the value of
test_dummy_encryption on remount, which isn't allowed but ext4 wasn't
detecting until ext4_apply_options() when it's too late to fail.
Another bug is that if test_dummy_encryption was specified multiple
times with an argument, memory was leaked.

Fix this up properly by using the new helper functions that allow
splitting up the parse/check/apply steps for test_dummy_encryption.

Fixes: cebe85d570 ("ext4: switch to the new mount api")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20220526040412.173025-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:43 -04:00
Shuqi Zhang
4efd9f0d12 ext4: use kmemdup() to replace kmalloc + memcpy
Replace kmalloc + memcpy with kmemdup()

Signed-off-by: Shuqi Zhang <zhangshuqi3@huawei.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220525030120.803330-1-zhangshuqi3@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:43 -04:00
Ye Bin
9b6641dd95 ext4: fix super block checksum incorrect after mount
We got issue as follows:
[home]# mount  /dev/sda  test
EXT4-fs (sda): warning: mounting fs with errors, running e2fsck is recommended
[home]# dmesg
EXT4-fs (sda): warning: mounting fs with errors, running e2fsck is recommended
EXT4-fs (sda): Errors on filesystem, clearing orphan list.
EXT4-fs (sda): recovery complete
EXT4-fs (sda): mounted filesystem with ordered data mode. Quota mode: none.
[home]# debugfs /dev/sda
debugfs 1.46.5 (30-Dec-2021)
Checksum errors in superblock!  Retrying...

Reason is ext4_orphan_cleanup will reset ‘s_last_orphan’ but not update
super block checksum.

To solve above issue, defer update super block checksum after
ext4_orphan_cleanup.

Signed-off-by: Ye Bin <yebin10@huawei.com>
Cc: stable@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220525012904.1604737-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-06-18 19:35:24 -04:00
Shyam Prasad N
5d24968f5b cifs: when a channel is not found for server, log its connection id
cifs_ses_get_chan_index gets the index for a given server pointer.
When a match is not found, we warn about a possible bug.
However, printing details about the non-matching server could be
more useful to debug here.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2022-06-18 14:55:06 -05:00
Kuogee Hsieh
a6e2af64a7 drm/msm/dp: force link training for display resolution change
Display resolution change is implemented through drm modeset. Older
modeset (resolution) has to be disabled first before newer modeset
(resolution) can be enabled. Display disable will turn off both
pixel clock and main link clock so that main link have to be
re-trained during display enable to have new video stream flow
again. At current implementation, display enable function manually
kicks up irq_hpd_handle which will read panel link status and start
link training if link status is not in sync state.

However, there is rare case that a particular panel links status keep
staying in sync for some period of time after main link had been shut
down previously at display disabled. In this case, main link retraining
will not be executed by irq_hdp_handle(). Hence video stream of newer
display resolution will fail to be transmitted to panel due to main
link is not in sync between host and panel.

This patch will bypass irq_hpd_handle() in favor of directly call
dp_ctrl_on_stream() to always perform link training in regardless of
main link status. So that no unexpected exception resolution change
failure cases will happen. Also this implementation are more efficient
than manual kicking off irq_hpd_handle function.

Changes in v2:
-- set force_link_train flag on DP only (is_edp == false)

Changes in v3:
-- revise commit  text
-- add Fixes tag

Changes in v4:
-- revise commit  text

Changes in v5:
-- fix spelling at commit text

Changes in v6:
-- split dp_ctrl_on_stream() for phy test case
-- revise commit text for modeset

Changes in v7:
-- drop 0 assignment at local variable (ret = 0)

Changes in v8:
-- add patch to remove pixel_rate from dp_ctrl

Changes in v9:
-- forward declare dp_ctrl_on_stream_phy_test_report()

Fixes: 62671d2ef2 ("drm/msm/dp: fixes wrong connection state caused by failure of link train")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/489895/
Link: https://lore.kernel.org/r/1655411200-7255-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-06-18 09:14:06 -07:00
Abhinav Kumar
2211e34a9d drm/msm/dpu: limit wb modes based on max_mixer_width
As explained in [1], using max_linewidth to limit the modes
does not seem to remove 4K modes on chipsets such as
sm8250 where the max_linewidth actually supports 4k.

This would have been alright if dual SSPP support was
present but otherwise fails the per SSPP bandwidth check.

The ideal way to implement this would be to filter out
the modes which will exceed the bandwidth check by computing
it.

But this would be an exhaustive solution till we have
dual SSPP support.

Let's instead use max_mixer_width to limit the modes.

max_mixer_width still remains 2560 on sm8250 so even if
the max_linewidth is 4096, the only way 4k modes could have
been supported is to have source split enabled on the SSPP.

Since source split support is not enabled yet in DPU driver,
enforce max_mixer_width as the upper limit on the modes.

[1] https://patchwork.freedesktop.org/patch/489662/

Fixes: e67dcecda0 ("drm/msm/dpu: limit writeback modes according to max_linewidth")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489893/
Link: https://lore.kernel.org/r/1655407606-21760-1-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-06-18 09:14:06 -07:00
Kuogee Hsieh
d80c3ba0ac drm/msm/dp: check core_initialized before disable interrupts at dp_display_unbind()
During msm initialize phase, dp_display_unbind() will be called to undo
initializations had been done by dp_display_bind() previously if there is
error happen at msm_drm_bind. In this case, core_initialized flag had to
be check to make sure clocks is on before update DP controller register
to disable HPD interrupts. Otherwise system will crash due to below NOC
fatal error.

QTISECLIB [01f01a7ad]CNOC2 ERROR: ERRLOG0_LOW = 0x00061007
QTISECLIB [01f01a7ad]GEM_NOC ERROR: ERRLOG0_LOW = 0x00001007
QTISECLIB [01f0371a0]CNOC2 ERROR: ERRLOG0_HIGH = 0x00000003
QTISECLIB [01f055297]GEM_NOC ERROR: ERRLOG0_HIGH = 0x00000003
QTISECLIB [01f072beb]CNOC2 ERROR: ERRLOG1_LOW = 0x00000024
QTISECLIB [01f0914b8]GEM_NOC ERROR: ERRLOG1_LOW = 0x00000042
QTISECLIB [01f0ae639]CNOC2 ERROR: ERRLOG1_HIGH = 0x00004002
QTISECLIB [01f0cc73f]GEM_NOC ERROR: ERRLOG1_HIGH = 0x00004002
QTISECLIB [01f0ea092]CNOC2 ERROR: ERRLOG2_LOW = 0x0009020c
QTISECLIB [01f10895f]GEM_NOC ERROR: ERRLOG2_LOW = 0x0ae9020c
QTISECLIB [01f125ae1]CNOC2 ERROR: ERRLOG2_HIGH = 0x00000000
QTISECLIB [01f143be7]GEM_NOC ERROR: ERRLOG2_HIGH = 0x00000000
QTISECLIB [01f16153a]CNOC2 ERROR: ERRLOG3_LOW = 0x00000000
QTISECLIB [01f17fe07]GEM_NOC ERROR: ERRLOG3_LOW = 0x00000000
QTISECLIB [01f19cf89]CNOC2 ERROR: ERRLOG3_HIGH = 0x00000000
QTISECLIB [01f1bb08e]GEM_NOC ERROR: ERRLOG3_HIGH = 0x00000000
QTISECLIB [01f1d8a31]CNOC2 ERROR: SBM1 FAULTINSTATUS0_LOW = 0x00000002
QTISECLIB [01f1f72a4]GEM_NOC ERROR: SBM0 FAULTINSTATUS0_LOW = 0x00000001
QTISECLIB [01f21a217]CNOC3 ERROR: ERRLOG0_LOW = 0x00000006
QTISECLIB [01f23dfd3]NOC error fatal

changes in v2:
-- drop the first patch (drm/msm: enable msm irq after all initializations are done successfully at msm_drm_init()) since the problem had been fixed by other patch

Fixes: 570d3e5d28 ("drm/msm/dp: stop event kernel thread when DP unbind")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/488387/
Link: https://lore.kernel.org/r/1654538139-7450-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-06-18 09:14:05 -07:00
Miaoqian Lin
b9cc459860 drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init_intf
of_graph_get_remote_node() returns remote device node pointer with
refcount incremented, we should use of_node_put() on it
when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 86418f90a4 ("drm: convert drivers to use of_graph_get_remote_node")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/488473/
Link: https://lore.kernel.org/r/20220607110841.53889-1-linmq006@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-06-18 09:14:05 -07:00
Rob Clark
c8af219d18 drm/msm: Don't overwrite hw fence in hw_init
Prior to the last commit, this could result in setting the GPU
written fence value back to an older value, if we had missed
updating completed_fence prior to suspend.  This was mostly
harmless as the GPU would eventually overwrite it again with
the correct value.  But we should just not do this.  Instead
just leave a sanity check that the fence looks plausible (in
case the GPU scribbled on memory).

Reported-by: Steev Klimaszewski <steev@kali.org>
Fixes: 95d1deb02a ("drm/msm/gem: Add fenced vma unpin")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Patchwork: https://patchwork.freedesktop.org/patch/490138/
Link: https://lore.kernel.org/r/20220618161120.3451993-2-robdclark@gmail.com
2022-06-18 09:13:33 -07:00
Rob Clark
3c7a52217a drm/msm: Drop update_fences()
I noticed while looking at some traces, that we could miss calls to
msm_update_fence(), as the irq could have raced with retire_submits()
which could have already popped the last submit on a ring out of the
queue of in-flight submits.  But walking the list of submits in the
irq handler isn't really needed, as dma_fence_is_signaled() will dtrt.
So lets just drop it entirely.

v2: use spin_lock_irqsave/restore as we are no longer protected by the
    spin_lock_irqsave/restore() in update_fences()

Reported-by: Steev Klimaszewski <steev@kali.org>
Fixes: 95d1deb02a ("drm/msm/gem: Add fenced vma unpin")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Patchwork: https://patchwork.freedesktop.org/patch/490136/
Link: https://lore.kernel.org/r/20220618161120.3451993-1-robdclark@gmail.com
2022-06-18 09:13:32 -07:00
Peilin Ye
a2b1a5d40b net/sched: sch_netem: Fix arithmetic in netem_dump() for 32-bit platforms
As reported by Yuming, currently tc always show a latency of UINT_MAX
for netem Qdisc's on 32-bit platforms:

    $ tc qdisc add dev dummy0 root netem latency 100ms
    $ tc qdisc show dev dummy0
    qdisc netem 8001: root refcnt 2 limit 1000 delay 275s  275s
                                               ^^^^^^^^^^^^^^^^

Let us take a closer look at netem_dump():

        qopt.latency = min_t(psched_tdiff_t, PSCHED_NS2TICKS(q->latency,
                             UINT_MAX);

qopt.latency is __u32, psched_tdiff_t is signed long,
(psched_tdiff_t)(UINT_MAX) is negative for 32-bit platforms, so
qopt.latency is always UINT_MAX.

Fix it by using psched_time_t (u64) instead.

Note: confusingly, users have two ways to specify 'latency':

  1. normally, via '__u32 latency' in struct tc_netem_qopt;
  2. via the TCA_NETEM_LATENCY64 attribute, which is s64.

For the second case, theoretically 'latency' could be negative.  This
patch ignores that corner case, since it is broken (i.e. assigning a
negative s64 to __u32) anyways, and should be handled separately.

Thanks Ted Lin for the analysis [1] .

[1] https://github.com/raspberrypi/linux/issues/3512

Reported-by: Yuming Chen <chenyuming.junnan@bytedance.com>
Fixes: 112f9cb656 ("netem: convert to qdisc_watchdog_schedule_ns")
Reviewed-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Link: https://lore.kernel.org/r/20220616234336.2443-1-yepeilin.cs@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-17 20:29:38 -07:00
Ivan Vecera
a3bb7b6381 ethtool: Fix get module eeprom fallback
Function fallback_set_params() checks if the module type returned
by a driver is ETH_MODULE_SFF_8079 and in this case it assumes
that buffer returns a concatenated content of page  A0h and A2h.
The check is wrong because the correct type is ETH_MODULE_SFF_8472.

Fixes: 96d971e307 ("ethtool: Add fallback to get_module_eeprom from netlink command")
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220616160856.3623273-1-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-17 20:22:16 -07:00
Jay Vosburgh
7a9214f3d8 bonding: ARP monitor spams NETDEV_NOTIFY_PEERS notifiers
The bonding ARP monitor fails to decrement send_peer_notif, the
number of peer notifications (gratuitous ARP or ND) to be sent. This
results in a continuous series of notifications.

Correct this by decrementing the counter for each notification.

Reported-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Fixes: b0929915e0 ("bonding: Fix RTNL: assertion failed at net/core/rtnetlink.c for ab arp monitor")
Link: https://lore.kernel.org/netdev/b2fd4147-8f50-bebd-963a-1a3e8d1d9715@redhat.com/
Tested-by: Jonathan Toppins <jtoppins@redhat.com>
Reviewed-by: Jonathan Toppins <jtoppins@redhat.com>
Link: https://lore.kernel.org/r/9400.1655407960@famine
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-17 20:18:44 -07:00
Lorenzo Bianconi
3f6a57ee85 igb: fix a use-after-free issue in igb_clean_tx_ring
Fix the following use-after-free bug in igb_clean_tx_ring routine when
the NIC is running in XDP mode. The issue can be triggered redirecting
traffic into the igb NIC and then closing the device while the traffic
is flowing.

[   73.322719] CPU: 1 PID: 487 Comm: xdp_redirect Not tainted 5.18.3-apu2 #9
[   73.330639] Hardware name: PC Engines APU2/APU2, BIOS 4.0.7 02/28/2017
[   73.337434] RIP: 0010:refcount_warn_saturate+0xa7/0xf0
[   73.362283] RSP: 0018:ffffc9000081f798 EFLAGS: 00010282
[   73.367761] RAX: 0000000000000000 RBX: ffffc90000420f80 RCX: 0000000000000000
[   73.375200] RDX: ffff88811ad22d00 RSI: ffff88811ad171e0 RDI: ffff88811ad171e0
[   73.382590] RBP: 0000000000000900 R08: ffffffff82298f28 R09: 0000000000000058
[   73.390008] R10: 0000000000000219 R11: ffffffff82280f40 R12: 0000000000000090
[   73.397356] R13: ffff888102343a40 R14: ffff88810359e0e4 R15: 0000000000000000
[   73.404806] FS:  00007ff38d31d740(0000) GS:ffff88811ad00000(0000) knlGS:0000000000000000
[   73.413129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.419096] CR2: 000055cff35f13f8 CR3: 0000000106391000 CR4: 00000000000406e0
[   73.426565] Call Trace:
[   73.429087]  <TASK>
[   73.431314]  igb_clean_tx_ring+0x43/0x140 [igb]
[   73.436002]  igb_down+0x1d7/0x220 [igb]
[   73.439974]  __igb_close+0x3c/0x120 [igb]
[   73.444118]  igb_xdp+0x10c/0x150 [igb]
[   73.447983]  ? igb_pci_sriov_configure+0x70/0x70 [igb]
[   73.453362]  dev_xdp_install+0xda/0x110
[   73.457371]  dev_xdp_attach+0x1da/0x550
[   73.461369]  do_setlink+0xfd0/0x10f0
[   73.465166]  ? __nla_validate_parse+0x89/0xc70
[   73.469714]  rtnl_setlink+0x11a/0x1e0
[   73.473547]  rtnetlink_rcv_msg+0x145/0x3d0
[   73.477709]  ? rtnl_calcit.isra.0+0x130/0x130
[   73.482258]  netlink_rcv_skb+0x8d/0x110
[   73.486229]  netlink_unicast+0x230/0x340
[   73.490317]  netlink_sendmsg+0x215/0x470
[   73.494395]  __sys_sendto+0x179/0x190
[   73.498268]  ? move_addr_to_user+0x37/0x70
[   73.502547]  ? __sys_getsockname+0x84/0xe0
[   73.506853]  ? netlink_setsockopt+0x1c1/0x4a0
[   73.511349]  ? __sys_setsockopt+0xc8/0x1d0
[   73.515636]  __x64_sys_sendto+0x20/0x30
[   73.519603]  do_syscall_64+0x3b/0x80
[   73.523399]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   73.528712] RIP: 0033:0x7ff38d41f20c
[   73.551866] RSP: 002b:00007fff3b945a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   73.559640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff38d41f20c
[   73.567066] RDX: 0000000000000034 RSI: 00007fff3b945b30 RDI: 0000000000000003
[   73.574457] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[   73.581852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff3b945ab0
[   73.589179] R13: 0000000000000000 R14: 0000000000000003 R15: 00007fff3b945b30
[   73.596545]  </TASK>
[   73.598842] ---[ end trace 0000000000000000 ]---

Fixes: 9cbc948b5a ("igb: add XDP support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/r/e5c01d549dc37bff18e46aeabd6fb28a7bcf84be.1655388571.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-17 20:14:07 -07:00
Jakub Kicinski
582573f1b2 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2022-06-17

We've added 12 non-merge commits during the last 4 day(s) which contain
a total of 14 files changed, 305 insertions(+), 107 deletions(-).

The main changes are:

1) Fix x86 JIT tailcall count offset on BPF-2-BPF call, from Jakub Sitnicki.

2) Fix a kprobe_multi link bug which misplaces BPF cookies, from Jiri Olsa.

3) Fix an infinite loop when processing a module's BTF, from Kumar Kartikeya Dwivedi.

4) Fix getting a rethook only in RCU available context, from Masami Hiramatsu.

5) Fix request socket refcount leak in sk lookup helpers, from Jon Maxwell.

6) Fix xsk xmit behavior which wrongly adds skb to already full cq, from Ciara Loftus.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  rethook: Reject getting a rethook if RCU is not watching
  fprobe, samples: Add use_trace option and show hit/missed counter
  bpf, docs: Update some of the JIT/maintenance entries
  selftest/bpf: Fix kprobe_multi bench test
  bpf: Force cookies array to follow symbols sorting
  ftrace: Keep address offset in ftrace_lookup_symbols
  selftests/bpf: Shuffle cookies symbols in kprobe multi test
  selftests/bpf: Test tail call counting with bpf2bpf and data on stack
  bpf, x86: Fix tail call count offset calculation on bpf2bpf call
  bpf: Limit maximum modifier chain length in btf_check_type_tags
  bpf: Fix request_sock leak in sk lookup helpers
  xsk: Fix generic transmit when completion queue reservation fails
====================

Link: https://lore.kernel.org/r/20220617202119.2421-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-17 18:30:01 -07:00
Gautam Menghani
12c3e0c92f tracing/uprobes: Remove unwanted initialization in __trace_uprobe_create()
Remove the unwanted initialization of variable 'ret'. This fixes the clang
scan warning: Value stored to 'ret' is never read [deadcode.DeadStores]

Link: https://lkml.kernel.org/r/20220612144232.145209-1-gautammenghani201@gmail.com

Signed-off-by: Gautam Menghani <gautammenghani201@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-06-17 19:12:07 -04:00
Xiang wangx
93a8c044b9 tracefs: Fix syntax errors in comments
Delete the redundant word 'to'.

Link: https://lkml.kernel.org/r/20220605092729.13010-1-wangxiang@cdjrlc.com

Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-06-17 19:01:28 -04:00
sunliming
f4b0d31809 tracing: Simplify conditional compilation code in tracing_set_tracer()
Two conditional compilation directives "#ifdef CONFIG_TRACER_MAX_TRACE"
are used consecutively, and no other code in between. Simplify conditional
the compilation code and only use one "#ifdef CONFIG_TRACER_MAX_TRACE".

Link: https://lkml.kernel.org/r/20220602140613.545069-1-sunliming@kylinos.cn

Signed-off-by: sunliming <sunliming@kylinos.cn>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-06-17 18:42:17 -04:00
Kirill A. Shutemov
1e7769653b x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page
load_unaligned_zeropad() can lead to unwanted loads across page boundaries.
The unwanted loads are typically harmless. But, they might be made to
totally unrelated or even unmapped memory. load_unaligned_zeropad()
relies on exception fixup (#PF, #GP and now #VE) to recover from these
unwanted loads.

In TDX guests, the second page can be shared page and a VMM may configure
it to trigger #VE.

The kernel assumes that #VE on a shared page is an MMIO access and tries to
decode instruction to handle it. In case of load_unaligned_zeropad() it
may result in confusion as it is not MMIO access.

Fix it by detecting split page MMIO accesses and failing them.
load_unaligned_zeropad() will recover using exception fixups.

The issue was discovered by analysis and reproduced artificially. It was
not triggered during testing.

[ dhansen: fix up changelogs and comments for grammar and clarity,
	   plus incorporate Kirill's off-by-one fix]

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20220614120135.14812-4-kirill.shutemov@linux.intel.com
2022-06-17 15:37:33 -07:00
Masami Hiramatsu (Google)
cc72b72073 tracing/kprobes: Check whether get_kretprobe() returns NULL in kretprobe_dispatcher()
There is a small chance that get_kretprobe(ri) returns NULL in
kretprobe_dispatcher() when another CPU unregisters the kretprobe
right after __kretprobe_trampoline_handler().

To avoid this issue, kretprobe_dispatcher() checks the get_kretprobe()
return value again. And if it is NULL, it returns soon because that
kretprobe is under unregistering process.

This issue has been introduced when the kretprobe is decoupled
from the struct kretprobe_instance by commit d741bf41d7
("kprobes: Remove kretprobe hash"). Before that commit, the
struct kretprob_instance::rp directly points the kretprobe
and it is never be NULL.

Link: https://lkml.kernel.org/r/165366693881.797669.16926184644089588731.stgit@devnote2

Reported-by: Yonghong Song <yhs@fb.com>
Fixes: d741bf41d7 ("kprobes: Remove kretprobe hash")
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: bpf <bpf@vger.kernel.org>
Cc: Kernel Team <kernel-team@fb.com>
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-06-17 17:40:06 -04:00
Florian Westphal
394e771684 netfilter: cttimeout: fix slab-out-of-bounds read typo in cttimeout_net_exit
syzbot reports:
  BUG: KASAN: slab-out-of-bounds in __list_del_entry_valid+0xcc/0xf0 lib/list_debug.c:42
  [..]
  list_del include/linux/list.h:148 [inline]
  cttimeout_net_exit+0x211/0x540 net/netfilter/nfnetlink_cttimeout.c:617

Problem is the wrong name of the list member, so container_of() result is wrong.

Reported-by: <syzbot+92968395eedbdbd3617d@syzkaller.appspotmail.com>
Fixes: 78222bacfc ("netfilter: cttimeout: decouple unlink and free on netns destruction")
Signed-off-by: Florian Westphal <fw@strlen.de>
2022-06-17 23:31:20 +02:00
Linus Torvalds
4b35035bcf NFS Client Fixes for Linux 5.19-rc
- Bugfixes:
   - Add FMODE_CAN_ODIRECT support to NFSv4 so opens don't fail
   - Fix trunking detection & cl_max_connect setting
   - Avoid pnfs_update_layout() livelocks
   - Don't keep retrying pNFS if the server replies with NFS4ERR_UNAVAILABLE
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Merge tag 'nfs-for-5.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client fixes from Anna Schumaker:

 - Add FMODE_CAN_ODIRECT support to NFSv4 so opens don't fail

 - Fix trunking detection & cl_max_connect setting

 - Avoid pnfs_update_layout() livelocks

 - Don't keep retrying pNFS if the server replies with NFS4ERR_UNAVAILABLE

* tag 'nfs-for-5.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFSv4: Add FMODE_CAN_ODIRECT after successful open of a NFS4.x file
  sunrpc: set cl_max_connect when cloning an rpc_clnt
  pNFS: Avoid a live lock condition in pnfs_update_layout()
  pNFS: Don't keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE
2022-06-17 15:17:57 -05:00
Linus Torvalds
32efdbffff pci-v5.19-fixes-2
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Merge tag 'pci-v5.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci fix from Bjorn Helgaas:
 "Revert clipping of PCI host bridge windows to avoid E820 regions,
  which broke several machines by forcing unnecessary BAR reassignments
  (Hans de Goede)"

* tag 'pci-v5.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions"
2022-06-17 15:12:20 -05:00
Linus Torvalds
93d17c1c8c printk fixes for 5.19-rc3
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Merge tag 'printk-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fixes from Petr Mladek:
 "Make the global console_sem available for CPU that is handling panic()
  or shutdown.

  This is an old problem when an existing console lock owner might block
  console output, but it became more visible with the kthreads"

* tag 'printk-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: Wait for the global console lock when the system is going down
  printk: Block console kthreads when direct printing will be required
2022-06-17 14:57:42 -05:00
Masami Hiramatsu (Google)
c0f3bb4054 rethook: Reject getting a rethook if RCU is not watching
Since the rethook_recycle() will involve the call_rcu() for reclaiming
the rethook_instance, the rethook must be set up at the RCU available
context (non idle). This rethook_recycle() in the rethook trampoline
handler is inevitable, thus the RCU available check must be done before
setting the rethook trampoline.

This adds a rcu_is_watching() check in the rethook_try_get() so that
it will return NULL if it is called when !rcu_is_watching().

Fixes: 54ecbe6f1e ("rethook: Add a generic return hook")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/165461827269.280167.7379263615545598958.stgit@devnote2
2022-06-17 21:53:35 +02:00
Masami Hiramatsu (Google)
c88dbbcd88 fprobe, samples: Add use_trace option and show hit/missed counter
Add use_trace option to use trace_printk() instead of pr_info()
so that the handler doesn't involve the RCU operations.
And show the hit and missed counter so that the user can check
how many times the probe handler hit and missed.

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/165461826247.280167.11939123218334322352.stgit@devnote2
2022-06-17 21:53:29 +02:00
Daniel Borkmann
63ce81d1c4 bpf, docs: Update some of the JIT/maintenance entries
Various minor updates around some of the BPF-related entries:

JITs for ARM32/NFP/SPARC/X86-32 haven't seen updates in quite a while, thus
for now, mark them as 'Odd Fixes' until they become more actively developed.

JITs for POWERPC/S390 are in good shape and receive active development and
review, thus bump to 'Supported' similar as we have with X86-64/ARM64.

JITs for MIPS/RISC-V are in similar good shape as the ones mentioned above,
but looked after mostly in spare time, thus leave for now in 'Maintained' state.

Add Michael to PPC JIT given he's picking up the patches there, so it better
reflects today's state.

Also, I haven't done much reviewing around BPF sockmap/kTLS after John and I
did the big rework back in the days to integrate sockmap with kTLS.

These days, most of this is taken care by John, Jakub {Sitnicki,Kicinski} and
others in the community, so remove myself from these two.

Lastly, move all BPF-related entries into one place, that is, move the sockmap
one over near rest of BPF.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/f9b8a63a0b48dc764bd4c50f87632889f5813f69.1655494758.git.daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-06-17 12:47:53 -07:00
Hans de Goede
a2b36ffbf5 x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions"
This reverts commit 4c5e242d3e.

Prior to 4c5e242d3e ("x86/PCI: Clip only host bridge windows for E820
regions"), E820 regions did not affect PCI host bridge windows.  We only
looked at E820 regions and avoided them when allocating new MMIO space.
If firmware PCI bridge window and BAR assignments used E820 regions, we
left them alone.

After 4c5e242d3e, we removed E820 regions from the PCI host bridge
windows before looking at BARs, so firmware assignments in E820 regions
looked like errors, and we moved things around to fit in the space left
(if any) after removing the E820 regions.  This unnecessary BAR
reassignment broke several machines.

Guilherme reported that Steam Deck fails to boot after 4c5e242d3e.  We
clipped the window that contained most 32-bit BARs:

  BIOS-e820: [mem 0x00000000a0000000-0x00000000a00fffff] reserved
  acpi PNP0A08:00: clipped [mem 0x80000000-0xf7ffffff window] to [mem 0xa0100000-0xf7ffffff window] for e820 entry [mem 0xa0000000-0xa00fffff]

which forced us to reassign all those BARs, for example, this NVMe BAR:

  pci 0000:00:01.2: PCI bridge to [bus 01]
  pci 0000:00:01.2:   bridge window [mem 0x80600000-0x806fffff]
  pci 0000:01:00.0: BAR 0: [mem 0x80600000-0x80603fff 64bit]
  pci 0000:00:01.2: can't claim window [mem 0x80600000-0x806fffff]: no compatible bridge window
  pci 0000:01:00.0: can't claim BAR 0 [mem 0x80600000-0x80603fff 64bit]: no compatible bridge window

  pci 0000:00:01.2: bridge window: assigned [mem 0xa0100000-0xa01fffff]
  pci 0000:01:00.0: BAR 0: assigned [mem 0xa0100000-0xa0103fff 64bit]

All the reassignments were successful, so the devices should have been
functional at the new addresses, but some were not.

Andy reported a similar failure on an Intel MID platform.  Benjamin
reported a similar failure on a VMWare Fusion VM.

Note: this is not a clean revert; this revert keeps the later change to
make the clipping dependent on a new pci_use_e820 bool, moving the checking
of this bool to arch_remove_reservations().

[bhelgaas: commit log, add more reporters and testers]
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216109
Reported-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reported-by: Benjamin Coddington <bcodding@redhat.com>
Reported-by: Jongman Heo <jongman.heo@gmail.com>
Fixes: 4c5e242d3e ("x86/PCI: Clip only host bridge windows for E820 regions")
Link: https://lore.kernel.org/r/20220612144325.85366-1-hdegoede@redhat.com
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-06-17 14:24:14 -05:00
Linus Torvalds
ef06e68290 arm64 fixes for 5.19-rc3:
- Revert the moving of the jump labels initialisation before
   setup_machine_fdt(). The bug was fixed in drivers/char/random.c.
 
 - Ftrace fixes: branch range check and consistent handling of PLTs.
 
 - Clean rather than invalidate FROM_DEVICE buffers at start of DMA
   transfer (safer if such buffer is mapped in user space). A cache
   invalidation is done already at the end of the transfer.
 
 - A couple of clean-ups (unexport symbol, remove unused label).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Revert the moving of the jump labels initialisation before
   setup_machine_fdt(). The bug was fixed in drivers/char/random.c.

 - Ftrace fixes: branch range check and consistent handling of PLTs.

 - Clean rather than invalidate FROM_DEVICE buffers at start of DMA
   transfer (safer if such buffer is mapped in user space). A cache
   invalidation is done already at the end of the transfer.

 - A couple of clean-ups (unexport symbol, remove unused label).

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
  arm64/cpufeature: Unexport set_cpu_feature()
  arm64: ftrace: remove redundant label
  arm64: ftrace: consistently handle PLTs.
  arm64: ftrace: fix branch range checks
  Revert "arm64: Initialize jump labels before setup_machine_fdt()"
2022-06-17 13:55:19 -05:00
Linus Torvalds
cc2fb31d49 LoongArch fixes for v5.19-rc3
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Merge tag 'loongarch-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Add missing ELF_DETAILS in vmlinux.lds.S and fix document rendering"

* tag 'loongarch-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  docs/zh_CN/LoongArch: Fix notes rendering by using reST directives
  docs/LoongArch: Fix notes rendering by using reST directives
  LoongArch: vmlinux.lds.S: Add missing ELF_DETAILS
2022-06-17 13:50:24 -05:00
Linus Torvalds
f10516322d RISC-V Fixes for 5.19-rc3
* A fix for the PolarFire SOC's device tree.
 * A handful of fixes for the recently added Svpmbt support.
 * An improvement to the Kconfig text for Svpbmt.
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Merge tag 'riscv-for-linus-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix for the PolarFire SOC's device tree

 - A handful of fixes for the recently added Svpmbt support

 - An improvement to the Kconfig text for Svpbmt

* tag 'riscv-for-linus-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Improve description for RISCV_ISA_SVPBMT Kconfig symbol
  riscv: drop cpufeature_apply_feature tracking variable
  riscv: fix dependency for t-head errata
  riscv: dts: microchip: re-add pdma to mpfs device tree
2022-06-17 13:45:47 -05:00
Linus Torvalds
2d806a688f hyperv-fixes for 5.19-rc3
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Merge tag 'hyperv-fixes-signed-20220617' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - Fix hv_init_clocksource annotation (Masahiro Yamada)

 - Two bug fixes for vmbus driver (Saurabh Sengar)

 - Fix SEV negotiation (Tianyu Lan)

 - Fix comments in code (Xiang Wang)

 - One minor fix to HID driver (Michael Kelley)

* tag 'hyperv-fixes-signed-20220617' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  x86/Hyper-V: Add SEV negotiate protocol support in Isolation VM
  Drivers: hv: vmbus: Release cpu lock in error case
  HID: hyperv: Correctly access fields declared as __le16
  clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()
  Drivers: hv: Fix syntax errors in comments
  Drivers: hv: vmbus: Don't assign VMbus channel interrupts to isolated CPUs
2022-06-17 13:39:12 -05:00
Linus Torvalds
462abc9de7 block-5.19-2022-06-16
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Merge tag 'block-5.19-2022-06-16' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Christoph
      - Quirks, quirks, quirks to work around buggy consumer grade
        devices (Keith Bush, Ning Wang, Stefan Reiter, Rasheed Hsueh)
      - Better kernel messages for devices that need quirking (Keith
        Bush)
      - Make a kernel message more useful (Thomas Weißschuh)

 - MD pull request from Song, with a few fixes

 - blk-mq sysfs locking fixes (Ming)

 - BFQ stats fix (Bart)

 - blk-mq offline queue fix (Bart)

 - blk-mq flush request tag fix (Ming)

* tag 'block-5.19-2022-06-16' of git://git.kernel.dk/linux-block:
  block/bfq: Enable I/O statistics
  blk-mq: don't clear flush_rq from tags->rqs[]
  blk-mq: avoid to touch q->elevator without any protection
  blk-mq: protect q->elevator by ->sysfs_lock in blk_mq_elv_switch_none
  block: Fix handling of offline queues in blk_mq_alloc_request_hctx()
  md/raid5-ppl: Fix argument order in bio_alloc_bioset()
  Revert "md: don't unregister sync_thread with reconfig_mutex held"
  nvme-pci: disable write zeros support on UMIC and Samsung SSDs
  nvme-pci: avoid the deepest sleep state on ZHITAI TiPro7000 SSDs
  nvme-pci: sk hynix p31 has bogus namespace ids
  nvme-pci: smi has bogus namespace ids
  nvme-pci: phison e12 has bogus namespace ids
  nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG GAMMIX S50
  nvme-pci: add trouble shooting steps for timeouts
  nvme: add bug report info for global duplicate id
  nvme: add device name to warning in uuid_show()
2022-06-17 11:22:58 -07:00
Linus Torvalds
f8e174c307 io_uring-5.19-2022-06-16
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Merge tag 'io_uring-5.19-2022-06-16' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "Bigger than usual at this time, both because we missed -rc2, but also
  because of some reverts that we chose to do. In detail:

   - Adjust mapped buffer API while we still can (Dylan)

   - Mapped buffer fixes (Dylan, Hao, Pavel, me)

   - Fix for uring_cmd wrong API usage for task_work (Dylan)

   - Fix for bug introduced in fixed file closing (Hao)

   - Fix race in buffer/file resource handling (Pavel)

   - Revert the NOP support for CQE32 and buffer selection that was
     brought up during the merge window (Pavel)

   - Remove IORING_CLOSE_FD_AND_FILE_SLOT introduced in this merge
     window. The API needs further refining, so just yank it for now and
     we'll revisit for a later kernel.

   - Series cleaning up the CQE32 support added in this merge window,
     making it more integrated rather than sitting on the side (Pavel)"

* tag 'io_uring-5.19-2022-06-16' of git://git.kernel.dk/linux-block: (21 commits)
  io_uring: recycle provided buffer if we punt to io-wq
  io_uring: do not use prio task_work_add in uring_cmd
  io_uring: commit non-pollable provided mapped buffers upfront
  io_uring: make io_fill_cqe_aux honour CQE32
  io_uring: remove __io_fill_cqe() helper
  io_uring: fix ->extra{1,2} misuse
  io_uring: fill extra big cqe fields from req
  io_uring: unite fill_cqe and the 32B version
  io_uring: get rid of __io_fill_cqe{32}_req()
  io_uring: remove IORING_CLOSE_FD_AND_FILE_SLOT
  Revert "io_uring: add buffer selection support to IORING_OP_NOP"
  Revert "io_uring: support CQE32 for nop operation"
  io_uring: limit size of provided buffer ring
  io_uring: fix types in provided buffer ring
  io_uring: fix index calculation
  io_uring: fix double unlock for pbuf select
  io_uring: kbuf: fix bug of not consuming ring buffer in partial io case
  io_uring: openclose: fix bug of closing wrong fixed file
  io_uring: fix not locked access to fixed buf table
  io_uring: fix races with buffer table unregister
  ...
2022-06-17 11:14:07 -07:00
Will Deacon
c50f11c619 arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
Invalidating the buffer memory in arch_sync_dma_for_device() for
FROM_DEVICE transfers

When using the streaming DMA API to map a buffer prior to inbound
non-coherent DMA (i.e. DMA_FROM_DEVICE), we invalidate any dirty CPU
cachelines so that they will not be written back during the transfer and
corrupt the buffer contents written by the DMA. This, however, poses two
potential problems:

  (1) If the DMA transfer does not write to every byte in the buffer,
      then the unwritten bytes will contain stale data once the transfer
      has completed.

  (2) If the buffer has a virtual alias in userspace, then stale data
      may be visible via this alias during the period between performing
      the cache invalidation and the DMA writes landing in memory.

Address both of these issues by cleaning (aka writing-back) the dirty
lines in arch_sync_dma_for_device(DMA_FROM_DEVICE) instead of discarding
them using invalidation.

Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220606152150.GA31568@willie-the-truck
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220610151228.4562-2-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-17 19:06:06 +01:00
Linus Torvalds
5c0cd3d4a9 Merge tag 'fs_for_v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull writeback and ext2 fixes from Jan Kara:
 "A fix for writeback bug which prevented machines with kdevtmpfs from
  booting and also one small ext2 bugfix in IO error handling"

* tag 'fs_for_v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  init: Initialize noop_backing_dev_info early
  ext2: fix fs corruption when trying to remove a non-empty directory with IO error
2022-06-17 10:09:24 -07:00
Linus Torvalds
274295c6e5 - Fix a race in DM core's dm_start_io_acct that could result in double
accounting for abnormal IO (e.g. discards, write zeroes, etc).
 
 - Fix a use-after-free in DM core's dm_put_live_table_bio.
 
 - Fix a race for REQ_NOWAIT bios being issued despite no support from
   underlying DM targets (due to DM table reload at an "unlucky" time)
 
 - Fix access beyond allocated bitmap in DM mirror's log.
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Merge tag 'for-5.19/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix a race in DM core's dm_start_io_acct that could result in double
   accounting for abnormal IO (e.g. discards, write zeroes, etc).

 - Fix a use-after-free in DM core's dm_put_live_table_bio.

 - Fix a race for REQ_NOWAIT bios being issued despite no support from
   underlying DM targets (due to DM table reload at an "unlucky" time)

 - Fix access beyond allocated bitmap in DM mirror's log.

* tag 'for-5.19/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm mirror log: round up region bitmap size to BITS_PER_LONG
  dm: fix narrow race for REQ_NOWAIT bios being issued despite no support
  dm: fix use-after-free in dm_put_live_table_bio
  dm: fix race in dm_start_io_acct
2022-06-17 10:03:53 -07:00
Linus Torvalds
a96e902ba9 hwmon fixes for v5.19-rc3
* Add missing lock protection in occ driver
 
 * Add missing comma in board name list in asus-ec-sensors driver
 
 * Fix devicetree bindings for ti,tmp401
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Merge tag 'hwmon-for-v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Add missing lock protection in occ driver

 - Add missing comma in board name list in asus-ec-sensors driver

 - Fix devicetree bindings for ti,tmp401

* tag 'hwmon-for-v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (asus-ec-sensors) add missing comma in board name list.
  hwmon: (occ) Lock mutex in shutdown to prevent race with occ_active
  dt-bindings: hwmon: ti,tmp401: Drop 'items' from 'ti,n-factor' property
2022-06-17 10:02:26 -07:00
Linus Torvalds
7c2d03f15f linux-watchdog 5.19-rc3 tag
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Merge tag 'linux-watchdog-5.19-rc3' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog fix from Wim Van Sebroeck:
 "Add missing MODULE_LICENSE in gxp driver"

* tag 'linux-watchdog-5.19-rc3' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: gxp: Add missing MODULE_LICENSE
2022-06-17 10:00:25 -07:00
Linus Torvalds
79fe0f863f This push fixes a potential build failure when CRYPTO=m.
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Merge tag 'v5.19-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "This fixes a potential build failure when CRYPTO=m"

* tag 'v5.19-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: memneq - move into lib/
2022-06-17 08:27:27 -07:00
Linus Torvalds
f0ec9c65a8 Char/Misc driver fixes for 5.19-rc3
Here are some small char/misc driver fixes for 5.19-rc3 that resolve
 some reported issues.
 
 They include:
 	- mei driver fixes
 	- comedi driver fix
 	- rtsx build warning fix
 	- fsl-mc-bus driver fix
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.19-rc3' 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 char/misc driver fixes for 5.19-rc3 that resolve
  some reported issues.

  They include:

   - mei driver fixes

   - comedi driver fix

   - rtsx build warning fix

   - fsl-mc-bus driver fix

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  eeprom: at25: Split reads into chunks and cap write size
  misc: atmel-ssc: Fix IRQ check in ssc_probe
  char: lp: remove redundant initialization of err
2022-06-17 07:58:39 -07:00
Linus Torvalds
9afc441c3c Staging driver fixes for 5.19-rc3
Here are some small staging driver fixes for 5.19-rc3 that resolve
 reported issues:
 	- remove visorbus.h which was forgotten in the -rc1 merge where
 	  the code that used it was removed
 	- olpc_dcon: mark as broken to allow the DRM developers to
 	  evolve the fbdev api properly without having to deal with this
 	  obsolete driver.  It will be removed soon if no one steps up
 	  to adopt it and fix the issues with it.
 	- rtl8723bs driver fix
 	- r8188eu driver fix to resolve many reports of the driver being
 	  broken with -rc1.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are some small staging driver fixes for 5.19-rc3 that resolve
  reported issues:

   - remove visorbus.h which was forgotten in the -rc1 merge where the
     code that used it was removed

   - olpc_dcon: mark as broken to allow the DRM developers to evolve the
     fbdev api properly without having to deal with this obsolete
     driver. It will be removed soon if no one steps up to adopt it and
     fix the issues with it.

   - rtl8723bs driver fix

   - r8188eu driver fix to resolve many reports of the driver being
     broken with -rc1.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: Also remove the Unisys visorbus.h
  staging: rtl8723bs: Allocate full pwep structure
  staging: olpc_dcon: mark driver as broken
  staging: r8188eu: Fix warning of array overflow in ioctl_linux.c
  staging: r8188eu: fix rtw_alloc_hwxmits error detection for now
2022-06-17 07:55:24 -07:00
Linus Torvalds
62dcd5e198 TTY/Serial driver fixes for 5.19-rc3
Here are some small tty and serial driver fixes for 5.19-rc3 to resolve
 some reported problems:
 	- 8250 lsr read bugfix
 	- n_gsm line discipline allocation fix
 	- qcom serial driver fix for reported lockups that happened in
 	  -rc1
 	- goldfish tty driver fix
 
 All have been in linux-next for a while now with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some small tty and serial driver fixes for 5.19-rc3 to
  resolve some reported problems:

   - 8250 lsr read bugfix

   - n_gsm line discipline allocation fix

   - qcom serial driver fix for reported lockups that happened in -rc1

   - goldfish tty driver fix

  All have been in linux-next for a while now with no reported issues"

* tag 'tty-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: 8250: Store to lsr_save_flags after lsr read
  tty: goldfish: Fix free_irq() on remove
  tty: serial: qcom-geni-serial: Implement start_rx callback
  serial: core: Introduce callback for start_rx and do stop_rx in suspend only if this callback implementation is present.
  tty: n_gsm: Debug output allocation must use GFP_ATOMIC
2022-06-17 07:52:43 -07:00
Linus Torvalds
9057a64644 USB driver fixes for 5.19-rc3
Here are some small USB driver fixes and new device ids for 5.19-rc3
 
 They include:
 	- new usb-serial driver device ids
 	- usb gadget driver fixes for reported problems
 	- cdnsp driver fix
 	- dwc3 driver fixes for reported problems
 	- dwc3 driver fix for merge problem that I caused in 5.18
 	- xhci driver fixes
 	- dwc2 memory leak fix
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver fixes from Greg KH:
 "Here are some small USB driver fixes and new device ids for 5.19-rc3

  They include:

   - new usb-serial driver device ids

   - usb gadget driver fixes for reported problems

   - cdnsp driver fix

   - dwc3 driver fixes for reported problems

   - dwc3 driver fix for merge problem that I caused in 5.18

   - xhci driver fixes

   - dwc2 memory leak fix

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: gadget: f_fs: change ep->ep safe in ffs_epfile_io()
  usb: gadget: f_fs: change ep->status safe in ffs_epfile_io()
  xhci: Fix null pointer dereference in resume if xhci has only one roothub
  USB: fixup for merge issue with "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
  usb: cdnsp: Fixed setting last_trb incorrectly
  usb: gadget: u_ether: fix regression in setting fixed MAC address
  usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
  usb: dwc2: Fix memory leak in dwc2_hcd_init
  usb: dwc3: pci: Restore line lost in merge conflict resolution
  usb: dwc3: gadget: Fix IN endpoint max packet size allocation
  USB: serial: option: add support for Cinterion MV31 with new baseline
  USB: serial: io_ti: add Agilent E5805A support
2022-06-17 07:50:41 -07:00
Tim Crawford
d49951219b ALSA: hda/realtek: Add quirk for Clevo PD70PNT
Fixes speaker output and headset detection on Clevo PD70PNT.

Signed-off-by: Tim Crawford <tcrawford@system76.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220617133028.50568-1-tcrawford@system76.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2022-06-17 16:37:49 +02:00
Petr Mladek
38335cc5ff Merge branch 'rework/kthreads' into for-linus 2022-06-17 16:36:48 +02:00