INFO: task kworker/0:2:1438 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:26496 pid:1438 ppid:2 flags:0x00004000
Workqueue: events_long delayed_sync_fs
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
folio_wait_writeback+0x47/0x3b0 mm/page-writeback.c:3127
__filemap_fdatawait_range+0x10f/0x210 mm/filemap.c:525
filemap_write_and_wait_range mm/filemap.c:687 [inline]
filemap_write_and_wait_range+0xe6/0x120 mm/filemap.c:669
filemap_write_and_wait include/linux/pagemap.h:60 [inline]
hfsplus_sync_fs+0x113/0xb10 fs/hfsplus/super.c:196
delayed_sync_fs+0x9f/0xf0 fs/hfsplus/super.c:258
process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task dhcpcd:4643 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:22928 pid:4643 ppid:4642 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
migration_entry_wait_on_locked+0x7c9/0xc50 mm/filemap.c:1428
__migration_entry_wait+0x179/0x1a0 mm/migrate.c:320
do_swap_page+0x275c/0x3600 mm/memory.c:3690
handle_pte_fault mm/memory.c:4913 [inline]
__handle_mm_fault+0x1623/0x3e60 mm/memory.c:5051
handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5197
do_user_addr_fault+0x475/0x1230 arch/x86/mm/fault.c:1407
handle_page_fault arch/x86/mm/fault.c:1498 [inline]
exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1554
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:do_sys_poll+0xa9d/0xe80 fs/select.c:1026
Code: 24 12 e8 e6 d1 9a ff 48 89 d8 48 c1 e8 03 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 2b 03 00 00 0f b7 03 <66> 41 89 46 06 41 83 ed 01 49 83 c6 08 48 83 c3 08 e8 ad d1 9a ff
RSP: 0018:ffffc900038ef920 EFLAGS: 00050246
RAX: 0000000000000001 RBX: ffffc900038efa02 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81e916fa RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: ffffc900038ef9f0
R13: 0000000000000003 R14: 000055c3299fbe00 R15: 000055c3299fbe00
__do_sys_ppoll fs/select.c:1121 [inline]
__se_sys_ppoll fs/select.c:1101 [inline]
__x64_sys_ppoll+0x214/0x290 fs/select.c:1101
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3a47f9b9fb
RSP: 002b:00007ffeb694b5a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055c3299fbe20 RCX: 00007f3a47f9b9fb
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000055c3299fbe00
RBP: 00007ffeb694b8e0 R08: 0000000000000008 R09: 00007ffeb692b2a0
R10: 00007ffeb694b8e0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055c3293fa610 R14: 0000000000000003 R15: 0000000000000000
</TASK>
INFO: task syz-executor.1:5096 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:23312 pid:5096 ppid:1 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
folio_wait_writeback+0x47/0x3b0 mm/page-writeback.c:3127
__filemap_fdatawait_range+0x10f/0x210 mm/filemap.c:525
filemap_fdatawait_keep_errors+0x21/0x30 mm/filemap.c:620
wait_sb_inodes fs/fs-writeback.c:2608 [inline]
sync_inodes_sb+0x5e3/0xa60 fs/fs-writeback.c:2730
sync_filesystem.part.0+0xe6/0x1d0 fs/sync.c:64
sync_filesystem+0x8f/0xc0 fs/sync.c:43
generic_shutdown_super+0x74/0x480 fs/super.c:473
kill_block_super+0x9b/0xf0 fs/super.c:1398
deactivate_locked_super+0x98/0x160 fs/super.c:331
deactivate_super+0xb1/0xd0 fs/super.c:362
cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd60528d567
RSP: 002b:00007ffed1377f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd60528d567
RDX: 00007ffed1377feb RSI: 000000000000000a RDI: 00007ffed1377fe0
RBP: 00007ffed1377fe0 R08: 00000000ffffffff R09: 00007ffed1377db0
R10: 0000555556d528b3 R11: 0000000000000246 R12: 00007fd6052e6b24
R13: 00007ffed13790a0 R14: 0000555556d52810 R15: 00007ffed13790e0
</TASK>
INFO: task kworker/u4:14:5982 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:14 state:D stack:26744 pid:5982 ppid:2 flags:0x00004000
Workqueue: loop1 loop_rootcg_workfn
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
__folio_lock mm/filemap.c:1664 [inline]
folio_lock include/linux/pagemap.h:952 [inline]
folio_lock include/linux/pagemap.h:948 [inline]
__filemap_get_folio+0xbab/0xdc0 mm/filemap.c:1936
shmem_get_folio_gfp+0x422/0x1950 mm/shmem.c:1877
shmem_get_folio mm/shmem.c:2068 [inline]
shmem_write_begin+0x14a/0x380 mm/shmem.c:2561
generic_perform_write+0x256/0x570 mm/filemap.c:3926
__generic_file_write_iter+0x2ae/0x500 mm/filemap.c:4054
generic_file_write_iter+0xe3/0x350 mm/filemap.c:4086
call_write_iter include/linux/fs.h:1851 [inline]
do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
do_iter_write+0x182/0x700 fs/read_write.c:861
vfs_iter_write+0x74/0xa0 fs/read_write.c:902
lo_write_bvec drivers/block/loop.c:249 [inline]
lo_write_simple drivers/block/loop.c:271 [inline]
do_req_filebacked drivers/block/loop.c:495 [inline]
loop_handle_cmd drivers/block/loop.c:1879 [inline]
loop_process_work+0xdac/0x2110 drivers/block/loop.c:1914
process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task udevd:6516 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:27496 pid:6516 ppid:4430 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
__folio_lock mm/filemap.c:1664 [inline]
folio_lock include/linux/pagemap.h:952 [inline]
folio_lock include/linux/pagemap.h:948 [inline]
__filemap_get_folio+0xbab/0xdc0 mm/filemap.c:1936
shmem_get_folio_gfp+0x422/0x1950 mm/shmem.c:1877
shmem_get_folio mm/shmem.c:2068 [inline]
shmem_file_read_iter+0x593/0xa40 mm/shmem.c:2633
call_read_iter include/linux/fs.h:1845 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x681/0x930 fs/read_write.c:470
ksys_read+0x12b/0x250 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb4067258fe
RSP: 002b:00007ffdaf8346a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055dd5113b600 RCX: 00007fb4067258fe
RDX: 0000000000001000 RSI: 000055dd51193ee0 RDI: 0000000000000009
RBP: 00007fb4067f2380 R08: 0000000000000009 R09: 00007fb4067f5a60
R10: 0000000000000063 R11: 0000000000000246 R12: 000055dd5113b600
R13: 0000000000000d68 R14: 00007fb4067f1780 R15: 0000000000000d68
</TASK>
INFO: task syz-executor.3:7064 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27104 pid:7064 ppid:5112 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
migration_entry_wait_on_locked+0x7c9/0xc50 mm/filemap.c:1428
__migration_entry_wait+0x179/0x1a0 mm/migrate.c:320
do_swap_page+0x275c/0x3600 mm/memory.c:3690
handle_pte_fault mm/memory.c:4913 [inline]
__handle_mm_fault+0x1623/0x3e60 mm/memory.c:5051
handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5197
do_user_addr_fault+0x475/0x1230 arch/x86/mm/fault.c:1407
handle_page_fault arch/x86/mm/fault.c:1498 [inline]
exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1554
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:fault_in_readable+0x179/0x290 mm/gup.c:1863
Code: 73 c5 ff 49 39 dd 0f 84 06 01 00 00 45 31 f6 eb 11 e8 5b 73 c5 ff 48 81 c3 00 10 00 00 4c 39 eb 74 1d e8 4a 73 c5 ff 45 89 f7 <8a> 03 31 ff 44 89 fe 88 44 24 28 e8 87 6f c5 ff 45 85 ff 74 d2 e8
RSP: 0018:ffffc90004e77b10 EFLAGS: 00050246
RAX: 0000000000040000 RBX: 00007fb30f807000 RCX: ffffc9000d3dd000
RDX: 0000000000040000 RSI: ffffffff81be7596 RDI: 0000000000000007
RBP: 00007fb30f807000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000001000
R13: 00007fb30f808000 R14: 0000000000000000 R15: 0000000000000000
fault_in_iov_iter_readable+0x252/0x2c0 lib/iov_iter.c:350
generic_perform_write+0x1ae/0x570 mm/filemap.c:3916
__generic_file_write_iter+0x2ae/0x500 mm/filemap.c:4054
generic_file_write_iter+0xe3/0x350 mm/filemap.c:4086
call_write_iter include/linux/fs.h:1851 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x9ed/0xe10 fs/read_write.c:584
ksys_write+0x12b/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb31903de7f
RSP: 002b:00007fb319d5ff10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb31903de7f
RDX: 0000000001000000 RSI: 00007fb30f7ff000 RDI: 0000000000000003
RBP: 00007fb30f7ff000 R08: 0000000000000000 R09: 0000000000009711
R10: 0000000001000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fb319d5ffdc R14: 00007fb319d5ffe0 R15: 0000000020012ec2
</TASK>
INFO: task syz-executor.5:7078 blocked for more than 145 seconds.
Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26912 pid:7078 ppid:5105 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xcce/0x5b20 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
io_schedule+0xbe/0x130 kernel/sched/core.c:8884
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
folio_wait_writeback+0x47/0x3b0 mm/page-writeback.c:3127
migrate_folio_unmap mm/migrate.c:1192 [inline]
migrate_pages_batch+0x1281/0x3660 mm/migrate.c:1685
migrate_pages+0x1b73/0x2300 mm/migrate.c:1973
compact_zone+0x1d3c/0x3ea0 mm/compaction.c:2420
compact_node+0x12a/0x1c0 mm/compaction.c:2717
compact_nodes mm/compaction.c:2730 [inline]
sysctl_compaction_handler+0x117/0x160 mm/compaction.c:2774
proc_sys_call_handler+0x49c/0x6d0 fs/proc/proc_sysctl.c:604
call_write_iter include/linux/fs.h:1851 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x9ed/0xe10 fs/read_write.c:584
ksys_write+0x12b/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdf88a8c0f9
RSP: 002b:00007fdf897eb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdf88babf80 RCX: 00007fdf88a8c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fdf88ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff524aad9f R14: 00007fdf897eb300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c793730 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c793430 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/27:
#0: ffffffff8c794280 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6495
2 locks held by kworker/0:2/1438:
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820 kernel/workqueue.c:2361
#1: ffffc9000594fda8 ((work_completion)(&(&sbi->sync_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820 kernel/workqueue.c:2365
1 lock held by dhcpcd/4643:
#0: ffff88801c728558 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88801c728558 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
2 locks held by getty/4743:
#0: ffff88814a84e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020182f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by syz-executor.1/5096:
#0: ffff88804254c0e0 (&type->s_umount_key#77){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 fs/super.c:361
#1: ffff88804254c990 (&s->s_sync_lock){+.+.}-{3:3}, at: wait_sb_inodes fs/fs-writeback.c:2547 [inline]
#1: ffff88804254c990 (&s->s_sync_lock){+.+.}-{3:3}, at: sync_inodes_sb+0x225/0xa60 fs/fs-writeback.c:2730
1 lock held by syz-executor.0/5100:
#0: ffff88802cc3c3d8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88802cc3c3d8 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
1 lock held by syz-executor.4/5103:
#0: ffff88807da08d98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88807da08d98 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
3 locks held by kworker/u4:12/5516:
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
#0: ffff888017893938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820 kernel/workqueue.c:2361
#1: ffffc90003b3fda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820 kernel/workqueue.c:2365
#2: ffff888016d300e0 (&type->s_umount_key#33){.+.+}-{3:3}, at: trylock_super+0x21/0x110 fs/super.c:414
4 locks held by kworker/u4:14/5982:
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
#0: ffff8880234cc138 ((wq_completion)loop1){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820 kernel/workqueue.c:2361
#1: ffffc90003ccfda8 ((work_completion)(&lo->rootcg_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820 kernel/workqueue.c:2365
#2: ffff8881400be460 (sb_writers#6){.+.+}-{0:0}, at: process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390
#3: ffff8880424ea910 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#3: ffff8880424ea910 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:4083
3 locks held by syz-executor.3/7064:
#0: ffff8881400be460 (sb_writers#6){.+.+}-{0:0}, at: ksys_write+0x12b/0x250 fs/read_write.c:637
#1: ffff8880425a8f58 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff8880425a8f58 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:4083
#2: ffff888076cbec18 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#2: ffff888076cbec18 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
2 locks held by syz-executor.5/7078:
#0: ffff888017b5a8e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100 fs/file.c:1046
#1: ffff88801deb6460 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12b/0x250 fs/read_write.c:637
1 lock held by syz-executor.4/7089:
#0: ffff88802cc3cd18 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88802cc3cd18 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x316/0x3e0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x33f/0x460 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe94/0x11e0 kernel/hung_task.c:379
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5393 Comm: kworker/u4:8 Not tainted 6.2.0-syzkaller-09238-gd2980d8d8265 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Workqueue: phy10 ieee80211_iface_work
RIP: 0010:lookup_object lib/debugobjects.c:195 [inline]
RIP: 0010:debug_object_activate+0x163/0x3e0 lib/debugobjects.c:667
Code: 48 89 e8 48 c1 e8 03 42 80 3c 28 00 0f 85 32 02 00 00 48 8b ab 40 af f2 91 31 db 48 85 ed 74 48 49 bd 00 00 00 00 00 fc ff df <48> 8d 7d 18 83 c3 01 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 c6
RSP: 0018:ffffc90003eaf408 EFLAGS: 00000082
RAX: 1ffff11005ba7588 RBX: 0000000000000003 RCX: ffffffff8165a894
RDX: 1ffffffff23f1e46 RSI: 0000000000000206 RDI: ffff88802dd3ac58
RBP: ffff888022e0dd20 R08: ffffffff91f8f220 R09: 0000000000000003
R10: fffff520007d5e6f R11: 0000000000000000 R12: ffff888077890e80
R13: dffffc0000000000 R14: 1ffff920007d5e83 R15: ffffffff8a4dd040
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd865003e82 CR3: 000000007e412000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_rcu_head_queue kernel/rcu/rcu.h:189 [inline]
kvfree_call_rcu+0x30/0xad0 kernel/rcu/tree.c:3307
cfg80211_update_known_bss+0x81e/0xa70 net/wireless/scan.c:1681
cfg80211_bss_update+0xf3/0x21f0 net/wireless/scan.c:1728
cfg80211_inform_single_bss_frame_data+0x761/0xfe0 net/wireless/scan.c:2492
cfg80211_inform_bss_frame_data+0xc3/0xca0 net/wireless/scan.c:2525
ieee80211_bss_info_update+0x35c/0xb50 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x19ed/0x3240 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1637
process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>