INFO: task kworker/u4:4:92 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:4 state:D stack:22136 pid:92 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:5)
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
io_schedule+0x83/0x100 kernel/sched/core.c:8723
folio_wait_bit_common+0x83a/0x12a0 mm/filemap.c:1296
write_cache_pages+0x47a/0x1340 mm/page-writeback.c:2327
generic_writepages+0xe4/0x150 mm/page-writeback.c:2451
do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
__writeback_single_inode+0xd1/0x670 fs/fs-writeback.c:1587
writeback_sb_inodes+0xb3b/0x18f0 fs/fs-writeback.c:1870
__writeback_inodes_wb+0x125/0x420 fs/fs-writeback.c:1941
wb_writeback+0x440/0x7b0 fs/fs-writeback.c:2046
wb_check_start_all fs/fs-writeback.c:2168 [inline]
wb_do_writeback fs/fs-writeback.c:2194 [inline]
wb_workfn+0x827/0xef0 fs/fs-writeback.c:2227
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.5:18819 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:25848 pid:18819 ppid:3643 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
io_schedule+0x83/0x100 kernel/sched/core.c:8723
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit_lock+0xbb/0x1a0 kernel/sched/wait_bit.c:90
out_of_line_wait_on_bit_lock+0x1c3/0x240 kernel/sched/wait_bit.c:117
wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline]
__lock_buffer fs/buffer.c:69 [inline]
lock_buffer include/linux/buffer_head.h:397 [inline]
__sync_dirty_buffer+0x107/0x330 fs/buffer.c:2732
__ext4_handle_dirty_metadata+0x29a/0x810 fs/ext4/ext4_jbd2.c:381
ext4_convert_inline_data_nolock+0x6e8/0x820 fs/ext4/inline.c:1256
ext4_convert_inline_data+0x4bf/0x600 fs/ext4/inline.c:2067
ext4_fallocate+0x149/0x1c90 fs/ext4/extents.c:4702
vfs_fallocate+0x515/0x670 fs/open.c:323
do_vfs_ioctl+0x2187/0x29a0 fs/ioctl.c:849
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x83/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f18c948b5a9
RSP: 002b:00007f18ca2d2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f18c95abf80 RCX: 00007f18c948b5a9
RDX: 0000000020000200 RSI: 0000000040305828 RDI: 0000000000000003
RBP: 00007f18c94e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd311ebdf R14: 00007f18ca2d2300 R15: 0000000000022000
INFO: task syz-executor.4:18832 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25656 pid:18832 ppid:3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
io_schedule+0x83/0x100 kernel/sched/core.c:8723
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit_lock+0xbb/0x1a0 kernel/sched/wait_bit.c:90
out_of_line_wait_on_bit_lock+0x1c3/0x240 kernel/sched/wait_bit.c:117
wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline]
__lock_buffer fs/buffer.c:69 [inline]
lock_buffer include/linux/buffer_head.h:397 [inline]
__block_write_full_page+0x61e/0x1710 fs/buffer.c:1770
__writepage+0x60/0x120 mm/page-writeback.c:2425
write_cache_pages+0x7cd/0x1340 mm/page-writeback.c:2360
generic_writepages+0xe4/0x150 mm/page-writeback.c:2451
do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
__filemap_fdatawrite_range mm/filemap.c:421 [inline]
__filemap_fdatawrite mm/filemap.c:427 [inline]
filemap_fdatawrite+0x146/0x1d0 mm/filemap.c:432
sync_bdevs+0x242/0x320 block/bdev.c:1064
ksys_sync+0xdc/0x1c0 fs/sync.c:105
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5e5d48b5a9
RSP: 002b:00007f5e5c7ff168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5e5d5abf80 RCX: 00007f5e5d48b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5e5d4e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffccd9bdcff R14: 00007f5e5c7ff300 R15: 0000000000022000
INFO: task syz-executor.4:18833 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29432 pid:18833 ppid:3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
wb_wait_for_completion+0x155/0x280 fs/fs-writeback.c:191
sync_inodes_sb+0x283/0xaa0 fs/fs-writeback.c:2706
iterate_supers+0x137/0x1f0 fs/super.c:723
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5e5d48b5a9
RSP: 002b:00007f5e5c7de168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5e5d5ac050 RCX: 00007f5e5d48b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5e5d4e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffccd9bdcff R14: 00007f5e5c7de300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18626 Comm: kworker/u4:7 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: phy7 ieee80211_iface_work
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x14/0xa0 kernel/kcov.c:290
Code: 89 3c 01 48 83 ca 18 48 89 34 11 4e 89 44 c9 20 c3 0f 1f 44 00 00 4c 8b 04 24 65 48 8b 14 25 00 6f 02 00 65 8b 0d 34 9c 7a 7e c1 00 01 ff 00 74 11 f7 c1 00 01 00 00 74 7b 83 ba 8c 15 00 00
RSP: 0018:ffffc90015a2fb10 EFLAGS: 00000246
RAX: 1ffff11015cc9200 RBX: 0000000000000000 RCX: 0000000080000000
RDX: ffff888075c957c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff88242115 R09: fffffbfff1c1b5f6
R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: ffff8880ae6497fe
R13: ffff8880ae649780 R14: dffffc0000000000 R15: ffff88803c43bcc0
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005577247b94a0 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
skb_release_data+0xb5/0x6d0 net/core/skbuff.c:769
skb_release_all net/core/skbuff.c:854 [inline]
__kfree_skb net/core/skbuff.c:868 [inline]
kfree_skb_reason+0xd3/0x290 net/core/skbuff.c:891
kfree_skb include/linux/skbuff.h:1216 [inline]
ieee80211_iface_work+0x26a/0xcf0 net/mac80211/iface.c:1686
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306