INFO: task kworker/0:5:5136 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:25552 pid:5136 ppid:2 flags:0x00004000
Workqueue: events_long flush_old_commits
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
reiserfs_sync_fs+0x81/0x130 fs/reiserfs/super.c:76
flush_old_commits+0xfb/0x200 fs/reiserfs/super.c:111
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/u4:9:5231 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:9 state:D stack:25904 pid:5231 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:3)
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
map_block_for_writepage+0x24c/0x1900 fs/reiserfs/inode.c:2388
reiserfs_write_full_page fs/reiserfs/inode.c:2585 [inline]
reiserfs_writepage+0x5d4/0x2650 fs/reiserfs/inode.c:2737
__writepage+0x64/0x180 mm/page-writeback.c:2537
write_cache_pages+0x785/0x19c0 mm/page-writeback.c:2472
generic_writepages mm/page-writeback.c:2563 [inline]
generic_writepages mm/page-writeback.c:2552 [inline]
do_writepages+0x2b8/0x690 mm/page-writeback.c:2583
__writeback_single_inode+0x159/0x1440 fs/fs-writeback.c:1598
writeback_sb_inodes+0x54d/0xf90 fs/fs-writeback.c:1889
__writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1960
wb_writeback+0x8d6/0xd70 fs/fs-writeback.c:2065
wb_check_start_all fs/fs-writeback.c:2187 [inline]
wb_do_writeback fs/fs-writeback.c:2213 [inline]
wb_workfn+0xb3e/0x12f0 fs/fs-writeback.c:2246
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/1:9:5771 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:9 state:D stack:27720 pid:5771 ppid:2 flags:0x00004000
Workqueue: reiserfs/loop3 flush_async_commits
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
flush_async_commits+0x48/0xe0 fs/reiserfs/journal.c:3549
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.3:6336 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27472 pid:6336 ppid:5090 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
reiserfs_file_release+0x1ad/0xcb0 fs/reiserfs/file.c:53
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0d9f83dfab
RSP: 002b:00007ffd97e82cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0d9f83dfab
RDX: 0000001b30f20000 RSI: 00007f0d9f031560 RDI: 0000000000000006
RBP: 00007f0d9f9ad980 R08: 0000000000000000 R09: 00000000c164a76d
R10: 00007ffd97f31090 R11: 0000000000000293 R12: 000000000002f8a3
R13: 00007ffd97e82dc0 R14: 00007ffd97e82de0 R15: 0000000000000032
INFO: task syz-executor.3:6340 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24600 pid:6340 ppid:5090 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
reiserfs_sync_fs+0x81/0x130 fs/reiserfs/super.c:76
sync_fs_one_sb fs/sync.c:84 [inline]
sync_fs_one_sb+0x10b/0x150 fs/sync.c:80
iterate_supers+0x140/0x2a0 fs/super.c:724
ksys_sync+0x9b/0x150 fs/sync.c:103
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0d9f88c0f9
RSP: 002b:00007f0da060c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f0d9f9abf80 RCX: 00007f0d9f88c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f0d9f8e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd97e82c5f R14: 00007f0da060c300 R15: 0000000000022000
INFO: task syz-executor.3:6354 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26200 pid:6354 ppid:5090 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
io_schedule+0xbe/0x130 kernel/sched/core.c:8868
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1297
__folio_lock mm/filemap.c:1660 [inline]
folio_lock include/linux/pagemap.h:938 [inline]
folio_lock include/linux/pagemap.h:934 [inline]
__filemap_get_folio+0xb71/0xd80 mm/filemap.c:1932
pagecache_get_page+0x2e/0x280 mm/folio-compat.c:98
find_or_create_page include/linux/pagemap.h:612 [inline]
grab_cache_page include/linux/pagemap.h:742 [inline]
convert_tail_for_hole fs/reiserfs/inode.c:592 [inline]
reiserfs_get_block+0xf6b/0x4150 fs/reiserfs/inode.c:921
__block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:1991
reiserfs_write_begin+0x36e/0xa60 fs/reiserfs/inode.c:2775
generic_perform_write+0x256/0x570 mm/filemap.c:3772
__generic_file_write_iter+0x2ae/0x500 mm/filemap.c:3900
generic_file_write_iter+0xe3/0x350 mm/filemap.c:3932
call_write_iter include/linux/fs.h:2189 [inline]
do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
do_iter_write+0x182/0x700 fs/read_write.c:861
vfs_iter_write+0x74/0xa0 fs/read_write.c:902
iter_file_splice_write+0x745/0xc90 fs/splice.c:686
do_splice_from fs/splice.c:764 [inline]
direct_splice_actor+0x114/0x180 fs/splice.c:931
splice_direct_to_actor+0x335/0x8a0 fs/splice.c:886
do_splice_direct+0x1ab/0x280 fs/splice.c:974
generic_copy_file_range+0xeb/0x1d0 fs/read_write.c:1393
vfs_copy_file_range+0x4c2/0x1320 fs/read_write.c:1539
__do_sys_copy_file_range+0x193/0x420 fs/read_write.c:1596
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0d9f88c0f9
RSP: 002b:00007f0da05eb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f0d9f9ac050 RCX: 00007f0d9f88c0f9
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f0d9f8e7ae9 R08: 532e000000000000 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd97e82c5f R14: 00007f0da05eb300 R15: 0000000000022000
INFO: task syz-executor.5:6338 blocked for more than 145 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24600 pid:6338 ppid:5086 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock_nested+0x69/0xe0 fs/reiserfs/lock.c:78
flush_commit_list.isra.0+0xde1/0x1e70 fs/reiserfs/journal.c:1073
do_journal_end+0x364e/0x4af0 fs/reiserfs/journal.c:4374
reiserfs_sync_fs+0xfc/0x130 fs/reiserfs/super.c:78
sync_fs_one_sb fs/sync.c:84 [inline]
sync_fs_one_sb+0x10b/0x150 fs/sync.c:80
iterate_supers+0x140/0x2a0 fs/super.c:724
ksys_sync+0x9b/0x150 fs/sync.c:103
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f350ba8c0f9
RSP: 002b:00007f350c83a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f350bbabf80 RCX: 00007f350ba8c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f350bae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc055b3d9f R14: 00007f350c83a300 R15: 0000000000022000
INFO: task syz-executor.2:6342 blocked for more than 145 seconds.
Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24600 pid:6342 ppid:5083 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
sync_inodes_sb+0x1aa/0x9e0 fs/fs-writeback.c:2725
sync_inodes_one_sb+0x51/0x60 fs/sync.c:77
iterate_supers+0x140/0x2a0 fs/super.c:724
ksys_sync+0x8a/0x150 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5b00e8c0f9
RSP: 002b:00007f5b01b1d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5b00fabf80 RCX: 00007f5b00e8c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5b00ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdee84328f R14: 00007f5b01b1d300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c78c7f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c78c4f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffffffff8c78d340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4737:
#0: ffff88814b539098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
4 locks held by kworker/0:5/5136:
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012476538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000426fda8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97
#3: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
4 locks held by kworker/u4:9/5231:
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888140f96938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90004a4fda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: trylock_super+0x21/0x110 fs/super.c:415
#3: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
3 locks held by kworker/1:9/5771:
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88807c848138 ((wq_completion)reiserfs/loop3){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90013e8fda8 ((work_completion)(&(&journal->j_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
2 locks held by syz-executor.3/6336:
#0: ffff888058ce4898 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_file_release+0xcd/0xcb0 fs/reiserfs/file.c:41
#1: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
2 locks held by syz-executor.3/6340:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
3 locks held by syz-executor.3/6354:
#0: ffff88804dfba460 (sb_writers#16){.+.+}-{0:0}, at: __do_sys_copy_file_range+0x193/0x420 fs/read_write.c:1596
#1: ffff888073745a80 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888073745a80 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:3929
#2: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x69/0xe0 fs/reiserfs/lock.c:78
3 locks held by syz-executor.5/6338:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff88804ca47c90 (&jl->j_commit_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#1: ffff88804ca47c90 (&jl->j_commit_mutex){+.+.}-{3:3}, at: flush_commit_list.isra.0+0x226/0x1e70 fs/reiserfs/journal.c:1007
#2: ffff88807ddfa090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x69/0xe0 fs/reiserfs/lock.c:78
2 locks held by syz-executor.2/6342:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.4/6814:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.2/6820:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.3/6825:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.5/6831:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.0/6843:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
2 locks held by syz-executor.1/6846:
#0: ffff88804dfba0e0 (&type->s_umount_key#66){++++}-{3:3}, at: iterate_supers+0xdf/0x2a0 fs/super.c:722
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff888146c327d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0x9e0 fs/fs-writeback.c:2723
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 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: 5256 Comm: kworker/u4:13 Not tainted 6.2.0-rc7-syzkaller-00213-g47e9aa14ce5a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4754 [inline]
RIP: 0010:__lock_acquire+0x6f8/0x56d0 kernel/locking/lockdep.c:5005
Code: 20 66 81 e2 ff 1f 0f b7 da be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 c0 9a 33 91 e8 10 0d 6b 00 48 0f a3 1d e8 47 d1 0f <0f> 82 3f ff ff ff 48 c7 c0 00 9a c0 91 48 c1 e8 03 42 0f b6 14 38
RSP: 0018:ffffc90004b8fa28 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 00000000000006d8 RCX: ffffffff816252d0
RDX: fffffbfff2267374 RSI: 0000000000000008 RDI: ffffffff91339b98
RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffff91339b9f
R10: fffffbfff2267373 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880567881c0 R14: ffff888056788bf8 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0018fb000 CR3: 000000000c48e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5668 [inline]
lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
rcu_lock_acquire include/linux/rcupdate.h:325 [inline]
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x131/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308