INFO: task kworker/u4:1:11 blocked for more than 143 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1 state:D stack:21208 pid:11 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_timeout+0xac/0x300 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x350/0x610 kernel/sched/completion.c:138
__synchronize_srcu+0x2b7/0x360 kernel/rcu/srcutree.c:1243
fsnotify_connector_destroy_workfn+0x40/0xa0 fs/notify/mark.c:234
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task khugepaged:35 blocked for more than 143 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khugepaged state:D stack:27320 pid:35 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_timeout+0xac/0x300 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x350/0x610 kernel/sched/completion.c:138
__flush_work+0x95b/0xad0 kernel/workqueue.c:3076
__lru_add_drain_all+0x689/0x800 mm/swap.c:910
khugepaged_do_scan mm/khugepaged.c:2453 [inline]
khugepaged+0x18e/0x1b50 mm/khugepaged.c:2522
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor:4251 blocked for more than 144 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20536 pid:4251 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
synchronize_rcu_expedited+0x819/0x930 kernel/rcu/tree_exp.h:962
namespace_unlock+0x297/0x4d0 fs/namespace.c:1497
do_umount fs/namespace.c:1720 [inline]
path_umount+0xe78/0xef0 fs/namespace.c:1802
ksys_umount fs/namespace.c:1825 [inline]
__do_sys_umount fs/namespace.c:1830 [inline]
__se_sys_umount fs/namespace.c:1828 [inline]
__x64_sys_umount+0x122/0x170 fs/namespace.c:1828
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f34dd18e497
RSP: 002b:00007fff99098ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007f34dd20e08c RCX: 00007f34dd18e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff99098b80
RBP: 00007fff99098b80 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff99099c10
R13: 00007f34dd20e08c R14: 00000000000246a4 R15: 00007fff99099c50
INFO: task syz-executor:4262 blocked for more than 145 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20984 pid:4262 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
synchronize_rcu_expedited+0x819/0x930 kernel/rcu/tree_exp.h:962
namespace_unlock+0x297/0x4d0 fs/namespace.c:1497
do_umount fs/namespace.c:1720 [inline]
path_umount+0xe78/0xef0 fs/namespace.c:1802
ksys_umount fs/namespace.c:1825 [inline]
__do_sys_umount fs/namespace.c:1830 [inline]
__se_sys_umount fs/namespace.c:1828 [inline]
__x64_sys_umount+0x122/0x170 fs/namespace.c:1828
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbfca78e497
RSP: 002b:00007fff9ca8aed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007fbfca80e08c RCX: 00007fbfca78e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9ca8af90
RBP: 00007fff9ca8af90 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff9ca8c020
R13: 00007fbfca80e08c R14: 00000000000247ea R15: 00007fff9ca8c060
INFO: task syz-executor:4263 blocked for more than 145 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20376 pid:4263 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
synchronize_rcu_expedited+0x777/0x930 kernel/rcu/tree_exp.h:977
namespace_unlock+0x297/0x4d0 fs/namespace.c:1497
do_umount fs/namespace.c:1720 [inline]
path_umount+0xe78/0xef0 fs/namespace.c:1802
ksys_umount fs/namespace.c:1825 [inline]
__do_sys_umount fs/namespace.c:1830 [inline]
__se_sys_umount fs/namespace.c:1828 [inline]
__x64_sys_umount+0x122/0x170 fs/namespace.c:1828
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff896f8e497
RSP: 002b:00007ffd7a61f808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007ff89700e08c RCX: 00007ff896f8e497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd7a61f8c0
RBP: 00007ffd7a61f8c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd7a620950
R13: 00007ff89700e08c R14: 0000000000023130 R15: 00007ffd7a620990
INFO: task udevd:4272 blocked for more than 146 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:24648 pid:4272 ppid:3622 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6695
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
device_lock include/linux/device.h:837 [inline]
uevent_show+0x176/0x330 drivers/base/core.c:2669
dev_attr_show+0x50/0xb0 drivers/base/core.c:2372
sysfs_kf_seq_show+0x32d/0x4b0 fs/sysfs/file.c:59
seq_read_iter+0x43a/0xd10 fs/seq_file.c:230
call_read_iter include/linux/fs.h:2259 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x88d/0xbf0 fs/read_write.c:470
ksys_read+0x19c/0x2c0 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23ac316b6a
RSP: 002b:00007ffe9476bed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055ed13423010 RCX: 00007f23ac316b6a
RDX: 0000000000001000 RSI: 000055ed134417d0 RDI: 0000000000000008
RBP: 000055ed13423010 R08: 0000000000000008 R09: 0000000000000008
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffe9476c3b8 R15: 000000000000000a
INFO: task kworker/u4:11:4405 blocked for more than 146 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:11 state:D stack:25528 pid:4405 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_timeout+0xac/0x300 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x350/0x610 kernel/sched/completion.c:138
__synchronize_srcu+0x2b7/0x360 kernel/rcu/srcutree.c:1243
fsnotify_mark_destroy_workfn+0x142/0x340 fs/notify/mark.c:924
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/u4:16:4740 blocked for more than 147 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:16 state:D stack:21152 pid:4740 ppid:2 flags:0x00004000
Workqueue: xfs_iwalk-5108 xfs_pwork_work
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_timeout+0xac/0x300 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x350/0x610 kernel/sched/completion.c:138
xfs_buf_iowait+0xd2/0x510 fs/xfs/xfs_buf.c:1611
__xfs_buf_submit+0x428/0x830 fs/xfs/xfs_buf.c:1691
xfs_buf_submit fs/xfs/xfs_buf.c:60 [inline]
_xfs_buf_read fs/xfs/xfs_buf.c:757 [inline]
xfs_buf_read_map+0x43a/0xab0 fs/xfs/xfs_buf.c:821
xfs_trans_read_buf_map+0x25c/0xb80 fs/xfs/xfs_trans_buf.c:289
xfs_trans_read_buf fs/xfs/xfs_trans.h:212 [inline]
xfs_read_agf+0x2e2/0x680 fs/xfs/libxfs/xfs_alloc.c:3084
xfs_alloc_read_agf+0x1db/0xd50 fs/xfs/libxfs/xfs_alloc.c:3116
xfs_alloc_fix_freelist+0x5ff/0x1ae0 fs/xfs/libxfs/xfs_alloc.c:2660
xfs_alloc_vextent+0xd02/0x1ec0 fs/xfs/libxfs/xfs_alloc.c:3291
xfs_bmap_btalloc+0x1477/0x2b60 fs/xfs/libxfs/xfs_bmap.c:3652
xfs_bmapi_allocate+0x643/0xf30
xfs_bmapi_write+0xa20/0x1960 fs/xfs/libxfs/xfs_bmap.c:4418
xfs_dquot_disk_alloc+0x585/0xe10 fs/xfs/xfs_dquot.c:329
xfs_qm_dqread+0x1a2/0x6f0 fs/xfs/xfs_dquot.c:666
xfs_qm_dqget+0x26d/0x640 fs/xfs/xfs_dquot.c:870
xfs_qm_quotacheck_dqadjust+0xe6/0x600 fs/xfs/xfs_qm.c:1085
xfs_qm_dqusage_adjust+0x4d3/0x6e0 fs/xfs/xfs_qm.c:1204
xfs_iwalk_ag_recs+0x51d/0x910 fs/xfs/xfs_iwalk.c:220
xfs_iwalk_run_callbacks+0x211/0x420 fs/xfs/xfs_iwalk.c:376
xfs_iwalk_ag+0xad2/0xbd0 fs/xfs/xfs_iwalk.c:482
xfs_iwalk_ag_work+0xf7/0x1a0 fs/xfs/xfs_iwalk.c:624
xfs_pwork_work+0x78/0x180 fs/xfs/xfs_pwork.c:47
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task udevd:4985 blocked for more than 148 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:24600 pid:4985 ppid:3622 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6695
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
btrfs_control_ioctl+0x154/0x420 fs/btrfs/super.c:2518
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23ac31ad49
RSP: 002b:00007ffe9476e6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23ac31ad49
RDX: 00007ffe9476e6e8 RSI: 0000000090009427 RDI: 0000000000000009
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9476f728 R14: 000055ed13431ac0 R15: 00007ffe94770448
INFO: task kworker/1:19:5104 blocked for more than 148 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:19 state:D stack:27432 pid:5104 ppid:2 flags:0x00004000
Workqueue: events key_garbage_collector
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6695
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
synchronize_rcu_expedited+0x360/0x930 kernel/rcu/tree_exp.h:962
synchronize_rcu+0x11c/0x3f0 kernel/rcu/tree.c:3576
key_garbage_collector+0x893/0xa00 security/keys/gc.c:303
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
#0: ffff888017c79138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc90000107d20 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d32e890 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d32f090 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
3 locks held by kworker/1:0/22:
#0: ffff888017c71938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc900001c7d20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x8d/0xdb0 net/wireless/reg.c:2499
1 lock held by khungtaskd/28:
#0: ffffffff8d32e6c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32e6c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32e6c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6510
1 lock held by khugepaged/35:
#0: ffffffff8d3d7fe8 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x800 mm/swap.c:865
3 locks held by kworker/1:3/3638:
#0: ffff888030226938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc900033c7d20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4675
2 locks held by getty/4017:
#0: ffff88803090e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x54a/0x1620 drivers/tty/n_tty.c:2198
1 lock held by syz-executor/4263:
#0: ffffffff8d333cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8d333cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962
4 locks held by udevd/4272:
#0: ffff888074b3d1c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xae/0xd10 fs/seq_file.c:182
#1: ffff888074ecb488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4f/0x3a0 fs/kernfs/file.c:154
#2: ffff88807e3f2490 (kn->active#5){.+.+}-{0:0}, at: kernfs_seq_start+0x6e/0x3a0 fs/kernfs/file.c:155
#3: ffff88807415f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#3: ffff88807415f190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x176/0x330 drivers/base/core.c:2669
5 locks held by kworker/0:5/4334:
2 locks held by kworker/u4:11/4405:
#0: ffff888017c79138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc9000492fd20 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
3 locks held by kworker/u4:12/4435:
#0: ffff888017c79138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc90004b5fd20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xa/0x50 net/core/link_watch.c:263
4 locks held by kworker/u4:13/4618:
#0: ffff88801dafe938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc9000507fd20 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffff888070ad0d40 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1113 [inline]
#2: ffff888070ad0d40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0xa0/0x1480 net/mac80211/ibss.c:1680
#3: ffff888070a49780 (&local->sta_mtx){+.+.}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1256 [inline]
#3: ffff888070a49780 (&local->sta_mtx){+.+.}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1299 [inline]
#3: ffff888070a49780 (&local->sta_mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4cc/0x1480 net/mac80211/ibss.c:1708
2 locks held by kworker/u4:15/4637:
4 locks held by kworker/u4:16/4740:
#0: ffff888075084138 ((wq_completion)xfs_iwalk-5108){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc90005e07d20 ((work_completion)(&pwork->work)){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffff88807b492650 (sb_internal#3){.+.+}-{0:0}, at: xfs_dquot_disk_alloc+0x378/0xe10 fs/xfs/xfs_dquot.c:303
#3: ffff888055ee9858 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_dquot_disk_alloc+0x3a2/0xe10 fs/xfs/xfs_dquot.c:308
1 lock held by udevd/4985:
#0: ffffffff8d891d28 (uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x154/0x420 fs/btrfs/super.c:2518
3 locks held by kworker/1:19/5104:
#0: ffff888017c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc9000d40fd20 (key_gc_work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#2: ffffffff8d333cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#2: ffffffff8d333cf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x360/0x930 kernel/rcu/tree_exp.h:962
2 locks held by kworker/1:20/5106:
#0: ffff888017c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
#1: ffffc9000d42fd20 (xfrm_state_gc_work){+.+.}-{0:0}, at: process_one_work+0x806/0x1260 kernel/workqueue.c:2267
1 lock held by syz.3.188/5108:
#0: ffff88807b4920e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228
2 locks held by syz.1.200/5175:
#0: ffffffff8d891d28 (uuid_mutex){+.+.}-{3:3}, at: btrfs_mount_root+0x27b/0x930 fs/btrfs/super.c:1790
#1: ffffffff8d3d7fe8 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x800 mm/swap.c:865
1 lock held by syz-executor/5232:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5237:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5240:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5244:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5246:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5249:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5253:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5255:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5259:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5261:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by dhcpcd/5263:
#0: ffff8880a7584130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff8880a7584130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by dhcpcd/5264:
#0: ffff88801924a130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff88801924a130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by dhcpcd/5265:
#0: ffff888046b8c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff888046b8c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by dhcpcd/5266:
#0: ffff8880a34c2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff8880a34c2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by dhcpcd/5267:
#0: ffff888144790130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff888144790130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by dhcpcd/5268:
#0: ffff8880ab7ec130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline]
#0: ffff8880ab7ec130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd10 net/packet/af_packet.c:3249
1 lock held by syz-executor/5270:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5274:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5276:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5280:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
1 lock held by syz-executor/5282:
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e5505a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7cb/0x1000 net/core/rtnetlink.c:6147
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ca/0x430 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+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3611 Comm: klogd Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:kasan_check_range+0x0/0x290 mm/kasan/generic.c:188
Code: 48 01 c6 48 89 c7 e8 4f 35 d0 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc <55> 41 57 41 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01
RSP: 0018:ffffc90003267510 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea00025e49f0 RCX: ffffffff81d5b217
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00025e49f0
RBP: ffffea00025e4980 R08: dffffc0000000000 R09: fffff940004bc937
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00025e4800
R13: 1ffffd40004bc930 R14: 0000000000000003 R15: 0000000000000180
FS: 00007f50f17cf380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055875d808250 CR3: 000000007c1c8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
page_expected_state mm/page_alloc.c:1242 [inline]
free_page_is_bad mm/page_alloc.c:1287 [inline]
free_pages_prepare mm/page_alloc.c:1441 [inline]
free_pcp_prepare mm/page_alloc.c:1509 [inline]
free_unref_page_prepare+0x9a7/0x15b0 mm/page_alloc.c:3384
free_unref_page+0x33/0x3e0 mm/page_alloc.c:3479
free_slab mm/slub.c:2031 [inline]
discard_slab mm/slub.c:2037 [inline]
__unfreeze_partials+0x1b7/0x210 mm/slub.c:2586
put_cpu_partial+0x17b/0x250 mm/slub.c:2662
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
slab_alloc_node mm/slub.c:3398 [inline]
__kmem_cache_alloc_node+0x137/0x260 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc_node_track_caller+0xa0/0x220 mm/slab_common.c:956
kmalloc_reserve net/core/skbuff.c:446 [inline]
__alloc_skb+0x12a/0x2c0 net/core/skbuff.c:515
alloc_skb include/linux/skbuff.h:1271 [inline]
alloc_skb_with_frags+0xa4/0x740 net/core/skbuff.c:6162
sock_alloc_send_pskb+0x915/0xa50 net/core/sock.c:2750
unix_dgram_sendmsg+0x5b1/0x2060 net/unix/af_unix.c:1918
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2161
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f50f19319b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc6d9cddd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f50f19319b5
RDX: 000000000000003d RSI: 0000555fececf3a0 RDI: 0000000000000003
RBP: 0000555fecec9910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f50f1abf212 R14: 00007ffc6d9cded8 R15: 0000000000000000