INFO: task kworker/u8:1:11 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1 state:D stack:23536 pid:11 tgid:11 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:1)
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
jfs_flush_journal+0x72c/0xec0 fs/jfs/jfs_logmgr.c:1564
jfs_write_inode+0x12d/0x220 fs/jfs/inode.c:128
write_inode fs/fs-writeback.c:1498 [inline]
__writeback_single_inode+0x6b9/0x10b0 fs/fs-writeback.c:1715
writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941
wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117
wb_do_writeback fs/fs-writeback.c:2264 [inline]
wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task jfsCommit:112 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:26416 pid:112 tgid:112 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
io_schedule+0x8d/0x110 kernel/sched/core.c:9044
__lock_metapage fs/jfs/jfs_metapage.c:50 [inline]
lock_metapage+0x255/0x370 fs/jfs/jfs_metapage.c:64
__get_metapage+0x513/0x1050 fs/jfs/jfs_metapage.c:639
diIAGRead+0xcb/0x140 fs/jfs/jfs_imap.c:2669
diFree+0xa7e/0x2fb0 fs/jfs/jfs_imap.c:956
jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156
evict+0x2a8/0x630 fs/inode.c:667
txUpdateMap+0x829/0x9f0 fs/jfs/jfs_txnmgr.c:2367
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor.1:5087 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:20592 pid:5087 tgid:5087 ppid:1 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
__super_lock fs/super.c:56 [inline]
__super_lock_excl fs/super.c:71 [inline]
deactivate_super+0xb5/0xf0 fs/super.c:504
cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
task_work_run+0x24f/0x310 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa1b/0x27e0 kernel/exit.c:878
do_group_exit+0x207/0x2c0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd607e7dea9
RSP: 002b:00007ffd0fff1e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd607ec93de RCX: 00007fd607e7dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 00007ffd0ffefc17 R09: 00007ffd0fff3130
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0fff3130
R13: 00007fd607ec93b9 R14: 0000000000010012 R15: 0000000000000006
INFO: task syz-executor.2:5249 blocked for more than 144 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:22872 pid:5249 tgid:5248 ppid:5092 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:389 [inline]
sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2781
iterate_supers+0xc6/0x190 fs/super.c:922
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa50027dea9
RSP: 002b:00007fa5010700c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa5003abf80 RCX: 00007fa50027dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa5002ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa5003abf80 R15: 00007ffd1676cde8
INFO: task syz-executor.2:5274 blocked for more than 144 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28216 pid:5274 tgid:5248 ppid:5092 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:217
sync_inodes_sb+0x293/0xb20 fs/fs-writeback.c:2783
iterate_supers+0xc6/0x190 fs/super.c:922
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa50027dea9
RSP: 002b:00007fa50104f0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa5003ac050 RCX: 00007fa50027dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa5002ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa5003ac050 R15: 00007ffd1676cde8
INFO: task syz-executor.2:5275 blocked for more than 144 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:20280 pid:5275 tgid:5248 ppid:5092 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:389 [inline]
sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2781
iterate_supers+0xc6/0x190 fs/super.c:922
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa50027dea9
RSP: 002b:00007fa50102e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fa5003ac120 RCX: 00007fa50027dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa5002ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa5003ac120 R15: 00007ffd1676cde8
INFO: task syz-executor.3:5326 blocked for more than 145 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:23608 pid:5326 tgid:5324 ppid:5081 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
__super_lock fs/super.c:58 [inline]
super_lock+0x27c/0x400 fs/super.c:120
super_lock_shared fs/super.c:139 [inline]
iterate_supers+0x8c/0x190 fs/super.c:919
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc39987dea9
RSP: 002b:00007fc39a6a50c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc3999abf80 RCX: 00007fc39987dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc3998ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc3999abf80 R15: 00007ffdd74faa38
INFO: task syz-executor.3:5366 blocked for more than 145 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28568 pid:5366 tgid:5324 ppid:5081 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
__super_lock fs/super.c:58 [inline]
super_lock+0x27c/0x400 fs/super.c:120
super_lock_shared fs/super.c:139 [inline]
iterate_supers+0x8c/0x190 fs/super.c:919
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc39987dea9
RSP: 002b:00007fc39a6840c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc3999ac050 RCX: 00007fc39987dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc3998ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc3999ac050 R15: 00007ffdd74faa38
INFO: task syz-executor.3:5367 blocked for more than 145 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:21496 pid:5367 tgid:5324 ppid:5081 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
__super_lock fs/super.c:58 [inline]
super_lock+0x27c/0x400 fs/super.c:120
super_lock_shared fs/super.c:139 [inline]
iterate_supers+0x8c/0x190 fs/super.c:919
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc39987dea9
RSP: 002b:00007fc39a6630c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc3999ac120 RCX: 00007fc39987dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc3998ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc3999ac120 R15: 00007ffdd74faa38
Showing all locks held in the system:
5 locks held by kworker/u8:0/10:
#0: ffff8880b953e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff888079440768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5953 [inline]
#2: ffff888079440768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_wiphy_work+0x35/0x260 net/wireless/core.c:424
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: ieee80211_sta_active_ibss+0xc7/0x330 net/mac80211/ibss.c:642
#4: ffffffff948b9d60 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16d/0x510 lib/debugobjects.c:708
2 locks held by kworker/u8:1/11:
#0: ffff888018eee148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
#0: ffff888018eee148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335
#1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
#1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335
1 lock held by khungtaskd/29:
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by jfsCommit/112:
#0: ffff88805f0c8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x37c/0x2fb0 fs/jfs/jfs_imap.c:886
#1: ffff88805ef62638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x398/0x2fb0 fs/jfs/jfs_imap.c:891
1 lock held by syslogd/4506:
#0: ffff8880b953e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
2 locks held by getty/4827:
#0: ffff88802ac870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.1/5087:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:504
2 locks held by syz-executor.2/5249:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:389 [inline]
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2781
2 locks held by syz-executor.2/5274:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:389 [inline]
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2781
2 locks held by syz-executor.2/5275:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:389 [inline]
#1: ffff88801fe527d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2781
1 lock held by syz-executor.3/5326:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.3/5366:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.3/5367:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.3/6333:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.1/6520:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.3/7417:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
1 lock held by syz-executor.3/7431:
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88807c1880e0 (&type->s_umount_key#85){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5134 Comm: kworker/1:4 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x86/0x290 mm/kasan/generic.c:189
Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc
RSP: 0018:ffffc9000430f8c0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffffffff25e00a8 RCX: ffffffff817288fe
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f00540
RBP: ffffffffffffffff R08: ffffffff92f00547 R09: 1ffffffff25e00a8
R10: dffffc0000000000 R11: fffffbfff25e00a8 R12: 0000000000000000
R13: ffff8880299c28f8 R14: dffffc0000000001 R15: fffffbfff25e00a9
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8de9e68866 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:228 [inline]
check_wait_context kernel/locking/lockdep.c:4798 [inline]
__lock_acquire+0x86e/0x1fd0 kernel/locking/lockdep.c:5087
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
wg_ratelimiter_gc_entries+0x60/0x470 drivers/net/wireguard/ratelimiter.c:63
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244