INFO: task syz-executor.1:10732 blocked for more than 143 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24168 pid:10732 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a668168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac050 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a668300 R15: 0000000000022000
INFO: task syz-executor.1:10736 blocked for more than 143 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22056 pid:10736 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a647168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac120 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a647300 R15: 0000000000022000
INFO: task syz-executor.1:10746 blocked for more than 143 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24168 pid:10746 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a626168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac1f0 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a626300 R15: 0000000000022000
INFO: task syz-executor.1:10753 blocked for more than 143 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24168 pid:10753 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a605168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac2c0 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a605300 R15: 0000000000022000
INFO: task syz-executor.1:10758 blocked for more than 144 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:23432 pid:10758 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a5e4168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac390 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a5e4300 R15: 0000000000022000
INFO: task syz-executor.1:10760 blocked for more than 144 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24168 pid:10760 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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a5c3168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac460 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a5c3300 R15: 0000000000022000
INFO: task syz-executor.1:10765 blocked for more than 144 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:23912 pid:10765 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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xe4f/0x26e0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
sync_bdevs+0x1b0/0x320 block/bdev.c:1052
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: 0033:0x7eff0988b5a9
RSP: 002b:00007eff0a5a2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007eff099ac530 RCX: 00007eff0988b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007eff098e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7842c27f R14: 00007eff0a5a2300 R15: 0000000000022000
INFO: task syz-executor.0:10743 blocked for more than 144 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:19296 pid:10743 ppid:3643 flags:0x00004006
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_handle_dirty_dirblock+0x363/0x6b0 fs/ext4/namei.c:438
ext4_finish_convert_inline_dir+0x58a/0x700 fs/ext4/inline.c:1182
ext4_convert_inline_data_nolock+0x63c/0x820 fs/ext4/inline.c:1259
ext4_try_add_inline_entry+0x683/0x990 fs/ext4/inline.c:1332
ext4_add_entry+0x5a4/0xeb0 fs/ext4/namei.c:2385
ext4_rename fs/ext4/namei.c:3897 [inline]
ext4_rename2+0x273b/0x4760 fs/ext4/namei.c:4177
vfs_rename+0xd53/0x1130 fs/namei.c:4778
ovl_do_rename fs/overlayfs/overlayfs.h:297 [inline]
ovl_create_index+0x508/0x6d0 fs/overlayfs/copy_up.c:485
ovl_copy_up_workdir fs/overlayfs/copy_up.c:700 [inline]
ovl_do_copy_up fs/overlayfs/copy_up.c:841 [inline]
ovl_copy_up_one fs/overlayfs/copy_up.c:1007 [inline]
ovl_copy_up_flags+0x176c/0x1f60 fs/overlayfs/copy_up.c:1053
ovl_nlink_start+0x20c/0x580 fs/overlayfs/util.c:910
ovl_do_remove+0x23f/0x780 fs/overlayfs/dir.c:905
vfs_rmdir+0x358/0x4b0 fs/namei.c:4120
do_rmdir+0x39d/0x610 fs/namei.c:4181
__do_sys_rmdir fs/namei.c:4200 [inline]
__se_sys_rmdir fs/namei.c:4198 [inline]
__x64_sys_rmdir+0x45/0x50 fs/namei.c:4198
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: 0033:0x7fa3a0a8b5a9
RSP: 002b:00007fa3a1797168 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fa3a0babf80 RCX: 00007fa3a0a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fa3a0ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd46d3293f R14: 00007fa3a1797300 R15: 0000000000022000
INFO: task syz-executor.0:10756 blocked for more than 145 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23912 pid:10756 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
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
inode_lock_shared include/linux/fs.h:766 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1701
walk_component fs/namei.c:1993 [inline]
link_path_walk+0xa06/0xf00 fs/namei.c:2320
path_openat+0x237/0x2df0 fs/namei.c:3709
do_filp_open+0x264/0x4f0 fs/namei.c:3740
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_creat fs/open.c:1402 [inline]
__se_sys_creat fs/open.c:1396 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1396
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: 0033:0x7fa3a0a8b5a9
RSP: 002b:00007fa3a1776168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fa3a0bac050 RCX: 00007fa3a0a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000500
RBP: 00007fa3a0ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd46d3293f R14: 00007fa3a1776300 R15: 0000000000022000
INFO: task syz-executor.0:10768 blocked for more than 145 seconds.
Not tainted 6.1.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24672 pid:10768 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
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
inode_lock include/linux/fs.h:756 [inline]
open_last_lookups fs/namei.c:3478 [inline]
path_openat+0x7b9/0x2df0 fs/namei.c:3710
do_filp_open+0x264/0x4f0 fs/namei.c:3740
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_creat fs/open.c:1402 [inline]
__se_sys_creat fs/open.c:1396 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1396
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: 0033:0x7fa3a0a8b5a9
RSP: 002b:00007fa3a1755168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fa3a0bac120 RCX: 00007fa3a0a8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fa3a0ae67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd46d3293f R14: 00007fa3a1755300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cb227f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cb22ff0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8cb22620 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3285:
#0: ffff88814aa25098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:7/6563:
#0: ffff8880b9a39d98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffffc900161b7d00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
3 locks held by kworker/u4:10/8061:
#0: ffff888017e0d138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90003bcfd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff8880122720e0 (&type->s_umount_key#40){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:415
1 lock held by syz-executor.1/10732:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10736:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10746:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10753:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10758:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10760:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
1 lock held by syz-executor.1/10765:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: sync_bdevs+0x1b0/0x320 block/bdev.c:1052
9 locks held by syz-executor.0/10743:
#0: ffff8880771f4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]/1){+.+.}-{3:3}, at: do_rmdir+0x257/0x610 fs/namei.c:4168
#2: ffff8880307a3030 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff8880307a3030 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: vfs_rmdir+0xf9/0x4b0 fs/namei.c:4109
#3: ffff888078ae0460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#4: ffff8880307a33f0 (&ovl_i_lock_key[depth]){+.+.}-{3:3}, at: ovl_inode_lock_interruptible fs/overlayfs/overlayfs.h:501 [inline]
#4: ffff8880307a33f0 (&ovl_i_lock_key[depth]){+.+.}-{3:3}, at: ovl_copy_up_start+0x4d/0x240 fs/overlayfs/util.c:567
#5: ffff888078ae0748 (&type->s_vfs_rename_key){+.+.}-{3:3}, at: lock_rename+0x54/0x1a0 fs/namei.c:2994
#6: ffff8880304ca218 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x13a/0x1a0
#7: ffff88803041de48 (&type->i_mutex_dir_key#3/5){+.+.}-{3:3}, at: lock_rename+0x182/0x1a0
#8: ffff8880304c9ee0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
#8: ffff8880304c9ee0 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_add_inline_entry+0xe1/0x990 fs/ext4/inline.c:1290
1 lock held by syz-executor.0/10756:
#0: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1701
2 locks held by syz-executor.0/10768:
#0: ffff8880771f4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: open_last_lookups fs/namei.c:3478 [inline]
#1: ffff8880307a3be0 (&ovl_i_mutex_dir_key[depth]){++++}-{3:3}, at: path_openat+0x7b9/0x2df0 fs/namei.c:3710
1 lock held by syz-executor.0/10849:
#0: ffff88801e7b84c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0xfd/0xa40 block/bdev.c:813
2 locks held by syz-executor.1/10871:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
2 locks held by syz-executor.1/10872:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
2 locks held by syz-executor.1/10873:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
2 locks held by syz-executor.1/10900:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
2 locks held by syz-executor.1/10901:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
2 locks held by syz-executor.1/10902:
#0: ffff888078ae00e0 (&type->s_umount_key#32){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff8881475467d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2704
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy7 ieee80211_iface_work
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:466 [inline]
RIP: 0010:lock_is_held_type+0x107/0x180 kernel/locking/lockdep.c:5712
Code: c0 31 ed 44 39 f0 40 0f 94 c5 eb 05 bd 01 00 00 00 48 c7 c7 a0 98 8d 8a e8 46 14 00 00 b8 ff ff ff ff 65 0f c1 05 31 64 ce 75 <83> f8 01 75 38 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c4 00
RSP: 0018:ffffc900001077f8 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8a8d98a0 RDI: ffffffff8aecfe60
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c1b87e
R10: fffffbfff1c1b87e R11: 1ffffffff1c1b87d R12: 0000000000000246
R13: ffff88801236ba80 R14: 00000000ffffffff R15: ffffffff8cb225a0
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0007a16ec CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x87/0x110 kernel/rcu/update.c:125
trace_contention_begin+0x72/0x1d0 include/trace/events/lock.h:95
__mutex_lock_common+0x1ce/0x26e0 kernel/locking/mutex.c:605
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
ieee80211_ibss_sta_expire net/mac80211/ibss.c:1256 [inline]
ieee80211_sta_merge_ibss net/mac80211/ibss.c:1299 [inline]
ieee80211_ibss_work+0x52b/0x1540 net/mac80211/ibss.c:1708
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