INFO: task kworker/1:14:5754 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:14 state:D stack:21784 pid:5754 ppid:2 flags:0x00004000
Workqueue: reiserfs/loop1 flush_async_commits
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
flush_async_commits+0x42/0xc0 fs/reiserfs/journal.c:3549
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:308
INFO: task kworker/u4:8:14465 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:8 state:D stack:19480 pid:14465 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:1)
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
reiserfs_write_inode+0x158/0x2a0 fs/reiserfs/inode.c:1776
write_inode fs/fs-writeback.c:1451 [inline]
__writeback_single_inode+0x4d6/0x670 fs/fs-writeback.c:1663
writeback_sb_inodes+0x812/0x1050 fs/fs-writeback.c:1889
wb_writeback+0x41f/0x7b0 fs/fs-writeback.c:2063
wb_do_writeback fs/fs-writeback.c:2206 [inline]
wb_workfn+0x3cb/0xef0 fs/fs-writeback.c:2246
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:308
INFO: task kworker/1:9:17493 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:9 state:D
stack:21880 pid:17493 ppid:2 flags:0x00004000
Workqueue: events_long flush_old_commits
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
reiserfs_sync_fs fs/reiserfs/super.c:76 [inline]
flush_old_commits+0x1ee/0x300 fs/reiserfs/super.c:111
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:308
INFO: task syz-executor.2:22565 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D
stack:23240 pid:22565 ppid:5117 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock_nested+0x5b/0xd0 fs/reiserfs/lock.c:78
flush_commit_list+0x111e/0x1bb0 fs/reiserfs/journal.c:1116
do_journal_end+0x3f0c/0x4a30 fs/reiserfs/journal.c:4374
reiserfs_sync_fs+0xbb/0x130 fs/reiserfs/super.c:78
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xc6/0x1c0 fs/sync.c:103
__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: 0033:0x7f314a48c0c9
RSP: 002b:00007f314b143168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f314a5ac050 RCX: 00007f314a48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f314a4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcf144a24f R14: 00007f314b143300 R15: 0000000000022000
INFO: task syz-executor.2:22569 blocked for more than 145 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23496 pid:22569 ppid:5117 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
reiserfs_sync_fs+0x8d/0x130 fs/reiserfs/super.c:76
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xd5/0x1c0 fs/sync.c:104
__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: 0033:0x7f314a48c0c9
RSP: 002b:00007f314b122168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f314a5ac120 RCX: 00007f314a48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f314a4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcf144a24f R14: 00007f314b122300 R15: 0000000000022000
INFO: task syz-executor.0:22581 blocked for more than 146 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D
stack:21336 pid:22581 ppid:15742 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__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
reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
reiserfs_sync_fs+0x8d/0x130 fs/reiserfs/super.c:76
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xc6/0x1c0 fs/sync.c:103
__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: 0033:0x7fd2cc48c0c9
RSP: 002b:00007fd2cd1a2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fd2cc5abf80 RCX: 00007fd2cc48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fd2cc4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc627b035f R14: 00007fd2cd1a2300 R15: 0000000000022000
INFO: task syz-executor.0:22596 blocked for more than 146 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23784 pid:22596 ppid:15742 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
wb_wait_for_completion+0x155/0x280 fs/fs-writeback.c:192
sync_inodes_sb+0x283/0xaa0 fs/fs-writeback.c:2725
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd2cc48c0c9
RSP: 002b:00007fd2cd181168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fd2cc5ac050 RCX: 00007fd2cc48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fd2cc4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc627b035f R14: 00007fd2cd181300 R15: 0000000000022000
INFO: task syz-executor.0:22597 blocked for more than 146 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D
stack:24808 pid:22597 ppid:15742 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
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
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd2cc48c0c9
RSP: 002b:00007fd2cd160168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fd2cc5ac120 RCX: 00007fd2cc48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fd2cc4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc627b035f R14: 00007fd2cd160300 R15: 0000000000022000
INFO: task syz-executor.0:22598 blocked for more than 147 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25480 pid:22598 ppid:15742 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
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
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd2cc48c0c9
RSP: 002b:00007fd2cd13f168 EFLAGS: 00000246
ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fd2cc5ac1f0 RCX: 00007fd2cc48c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fd2cc4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc627b035f R14: 00007fd2cd13f300 R15: 0000000000022000
INFO: task syz-executor.1:22599 blocked for more than 148 seconds.
Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25320 pid:22599 ppid:5104 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
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
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
iterate_supers+0x137/0x1f0 fs/super.c:724
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc3ee88c0c9
RSP: 002b:00007fc3ef608168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc3ee9ac050 RCX: 00007fc3ee88c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc3ee8e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc655a982f R14: 00007fc3ef608300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d327010 (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:
ffffffff8d327810 (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: ffffffff8d326e40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
4 locks held by kworker/u4:3/46:
#0:
ffff8880b993a1d8
(
&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9927748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
#2: ffff8880b9828558 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x12a/0x270 kernel/time/timer.c:999
#3: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
2 locks held by getty/4752:
#0:
ffff88814a5e1098
(&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:14/5754:
#0: ffff88802cdfd938 ((wq_completion)reiserfs/loop1){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90003bbfd00 ((work_completion)(&(&journal->j_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
2 locks held by kworker/u4:4/9077:
#0:
ffff888012879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc9000329fd00 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
3 locks held by kworker/u4:8/14465:
#0: ffff888017eec938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90017277d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
4 locks held by kworker/1:9/17493:
#0:
ffff888012871538
(
(wq_completion)events_long
){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90003b7fd00 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2:
ffff8880303c20e0
(
&type->s_umount_key#55){++++}-{3:3}, at: flush_old_commits+0xd4/0x300 fs/reiserfs/super.c:97
#3: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
3 locks held by syz-executor.2/22565:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff88802bdf8890 (&jl->j_commit_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#1: ffff88802bdf8890 (&jl->j_commit_mutex){+.+.}-{3:3}, at: flush_commit_list+0x640/0x1bb0 fs/reiserfs/journal.c:1007
#2: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x5b/0xd0 fs/reiserfs/lock.c:78
2 locks held by syz-executor.2/22569:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
2 locks held by syz-executor.0/22581:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff888028797090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
2 locks held by syz-executor.0/22596:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1:
ffff8881469ae7d0
(
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.0/22597:
#0: ffff8880303c20e0
(&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.0/22598:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
4 locks held by syz-executor.1/22592:
2 locks held by syz-executor.1/22599:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.2/22682:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.2/22683:
#0: ffff8880303c20e0
(&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.2/22685:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.0/22693:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.1/22699:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.2/22779:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
2 locks held by syz-executor.0/22795:
#0: ffff8880303c20e0 (&type->s_umount_key#55){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff8881469ae7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x264/0xaa0 fs/fs-writeback.c:2723
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 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+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 22592 Comm: syz-executor.1 Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:100 [inline]
RIP: 0010:do_raw_spin_unlock+0x5d/0x8a0 kernel/locking/spinlock_debug.c:140
Code: 24 0f 85 2d 04 00 00 81 3a ad 4e ad de 0f 85 fe 00 00 00 4c 89 ff be 04 00 00 00 e8 9d f5 74 00 4c 89 f8 48 c1 e8 03 8a 04 18 <84> c0 0f 85 24 04 00 00 41 83 3f 00 0f 84 99 01 00 00 4d 8d 6f 10
RSP: 0018:ffffc900001e0c30 EFLAGS: 00000802
RAX: 1ffff11017325000 RBX: dffffc0000000000 RCX: ffffffff816ca043
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b9928540
RBP: ffffc900001e0e10 R08: dffffc0000000000 R09: ffffed10173250a9
R10: ffffed10173250a9 R11: 1ffff110173250a8 R12: ffff88803298e650
R13: dffffc0000000000 R14: 1ffff9200003c1ac R15: ffff8880b9928540
FS: 00007fc3ef629700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c016c5c210 CR3: 000000002adfa000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
expire_timers kernel/time/timer.c:1745 [inline]
__run_timers+0x7a2/0x9a0 kernel/time/timer.c:2022
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2035
__do_softirq+0x277/0x738 kernel/softirq.c:571
__irq_exit_rcu+0xcf/0x150 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_trylock_spinning+0x36f/0x410 kernel/printk/printk.c:2010
Code: 0f 84 64 ff ff ff e8 d0 ff 1c 00 fb 31 db eb 41 e8 c6 ff 1c 00 e8 21 85 42 09 4d 85 ed 74 cd e8 b7 ff 1c 00 fb bb 01 00 00 00 <48> c7 c7 20 2a 20 8d 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc9000518ebc0 EFLAGS: 00000293
RAX: ffffffff816edbb9 RBX: 0000000000000001 RCX: ffff88801d5d8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000518ec88 R08: ffffffff816edb72 R09: fffffbfff20fc851
R10: fffffbfff20fc851 R11: 1ffffffff20fc850 R12: 1ffff92000a31d78
R13: 0000000000000200 R14: 0000000000000082 R15: dffffc0000000000
vprintk_emit+0xb8/0x1e0 kernel/printk/printk.c:2358
_printk+0xc0/0x100 kernel/printk/printk.c:2380
__reiserfs_warning+0x141/0x190 fs/reiserfs/prints.c:290
reiserfs_read_bitmap_block+0x23c/0x6d0 fs/reiserfs/bitmap.c:1434
scan_bitmap_block+0x19f/0xf50 fs/reiserfs/bitmap.c:164
scan_bitmap fs/reiserfs/bitmap.c:391 [inline]
allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline]
blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline]
reiserfs_allocate_blocknrs+0x333d/0x53c0 fs/reiserfs/bitmap.c:1375
reiserfs_get_block+0x32a5/0x5180 fs/reiserfs/inode.c:756
__block_write_begin_int+0x54c/0x1a80 fs/buffer.c:1991
reiserfs_write_begin+0x247/0x510 fs/reiserfs/inode.c:2775
generic_perform_write+0x2e4/0x5e0 mm/filemap.c:3772
__generic_file_write_iter+0x176/0x400 mm/filemap.c:3900
generic_file_write_iter+0xab/0x310 mm/filemap.c:3932
call_write_iter include/linux/fs.h:2189 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x7dc/0xc50 fs/read_write.c:584
ksys_write+0x177/0x2a0 fs/read_write.c:637
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: 0033:0x7fc3ee88c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc3ef629168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc3ee9abf80 RCX: 00007fc3ee88c0c9
RDX: 000000006db6e559 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fc3ee8e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc655a982f R14: 00007fc3ef629300 R15: 0000000000022000