INFO: task kworker/u4:0:10 blocked for more than 143 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0 state:D stack:25656 pid:10 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:3)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
queue_log_writer+0x293/0x2f0 fs/reiserfs/journal.c:2980
check_journal_end fs/reiserfs/journal.c:3674 [inline]
do_journal_end+0x908/0x4af0 fs/reiserfs/journal.c:4040
reiserfs_write_inode+0x27e/0x2d0 fs/reiserfs/inode.c:1779
write_inode fs/fs-writeback.c:1456 [inline]
__writeback_single_inode+0x9f2/0xdb0 fs/fs-writeback.c:1668
writeback_sb_inodes+0x54d/0xe70 fs/fs-writeback.c:1894
wb_writeback+0x155/0xa40 fs/fs-writeback.c:2070
wb_do_writeback fs/fs-writeback.c:2217 [inline]
wb_workfn+0x2a5/0xcc0 fs/fs-writeback.c:2257
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2407
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2554
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/u4:2:41 blocked for more than 143 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:2 state:D stack:26856 pid:41 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:2)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
queue_log_writer+0x293/0x2f0 fs/reiserfs/journal.c:2980
do_journal_begin_r+0x988/0x10e0 fs/reiserfs/journal.c:3101
journal_begin+0x166/0x400 fs/reiserfs/journal.c:3253
reiserfs_write_inode+0x1f4/0x2d0 fs/reiserfs/inode.c:1777
write_inode fs/fs-writeback.c:1456 [inline]
__writeback_single_inode+0x9f2/0xdb0 fs/fs-writeback.c:1668
writeback_sb_inodes+0x54d/0xe70 fs/fs-writeback.c:1894
wb_writeback+0x155/0xa40 fs/fs-writeback.c:2070
wb_do_writeback fs/fs-writeback.c:2217 [inline]
wb_workfn+0x2a5/0xcc0 fs/fs-writeback.c:2257
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2407
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2554
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/u4:5:1014 blocked for more than 144 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5 state:D stack:23352 pid:1014 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:4)
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
queue_log_writer+0x293/0x2f0 fs/reiserfs/journal.c:2980
do_journal_begin_r+0x988/0x10e0 fs/reiserfs/journal.c:3101
journal_begin+0x166/0x400 fs/reiserfs/journal.c:3253
reiserfs_write_inode+0x1f4/0x2d0 fs/reiserfs/inode.c:1777
write_inode fs/fs-writeback.c:1456 [inline]
__writeback_single_inode+0x9f2/0xdb0 fs/fs-writeback.c:1668
writeback_sb_inodes+0x54d/0xe70 fs/fs-writeback.c:1894
wb_writeback+0x155/0xa40 fs/fs-writeback.c:2070
wb_do_writeback fs/fs-writeback.c:2217 [inline]
wb_workfn+0x2a5/0xcc0 fs/fs-writeback.c:2257
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2407
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2554
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor341:5589 blocked for more than 144 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:24752 pid:5589 ppid:5053 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
bit_wait+0x16/0xe0 kernel/sched/wait_bit.c:199
__wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49
__inode_wait_for_writeback+0x153/0x1f0 fs/fs-writeback.c:1477
inode_wait_for_writeback+0x26/0x40 fs/fs-writeback.c:1489
evict+0x2b7/0x6b0 fs/inode.c:662
iput_final fs/inode.c:1747 [inline]
iput fs/inode.c:1773 [inline]
iput+0x4a7/0x7a0 fs/inode.c:1759
dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
d_delete fs/dcache.c:2565 [inline]
d_delete+0x16f/0x1c0 fs/dcache.c:2554
xattr_unlink+0x139/0x190 fs/reiserfs/xattr.c:97
lookup_and_delete_xattr fs/reiserfs/xattr.c:495 [inline]
reiserfs_xattr_set_handle+0x7bd/0xb00 fs/reiserfs/xattr.c:530
reiserfs_xattr_set+0x454/0x5b0 fs/reiserfs/xattr.c:634
trusted_set+0xa7/0xd0 fs/reiserfs/xattr_trusted.c:31
__vfs_removexattr+0x155/0x1c0 fs/xattr.c:519
__vfs_removexattr_locked+0x1b0/0x440 fs/xattr.c:554
vfs_removexattr+0xcf/0x260 fs/xattr.c:576
ovl_do_removexattr fs/overlayfs/overlayfs.h:273 [inline]
ovl_removexattr fs/overlayfs/overlayfs.h:281 [inline]
ovl_make_workdir fs/overlayfs/super.c:1353 [inline]
ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
ovl_fill_super+0x6ec5/0x7270 fs/overlayfs/super.c:1992
mount_nodev+0x64/0x120 fs/super.c:1426
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x350 fs/super.c:1510
do_new_mount fs/namespace.c:3039 [inline]
path_mount+0x134b/0x1e40 fs/namespace.c:3369
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c4ad9
RSP: 002b:00007f6e846702f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e8474a780 RCX: 00007f6e846c4ad9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f6e84717318 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 7269647265776f6c
R13: 0079616c7265766f R14: 9837512483e3bdcd R15: 00007f6e8474a788
INFO: task syz-executor341:5603 blocked for more than 145 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:27696 pid:5603 ppid:5053 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
sync_inodes_sb+0x1aa/0xa60 fs/fs-writeback.c:2736
sync_filesystem.part.0+0xe6/0x1d0 fs/sync.c:64
sync_filesystem+0x8f/0xc0 fs/sync.c:43
reiserfs_remount+0x129/0x1650 fs/reiserfs/super.c:1445
legacy_reconfigure+0x119/0x180 fs/fs_context.c:633
reconfigure_super+0x40c/0xa30 fs/super.c:956
do_remount fs/namespace.c:2701 [inline]
path_mount+0x1846/0x1e40 fs/namespace.c:3361
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c5f9a
RSP: 002b:00007f6e7c64f128 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e7c64f6b8 RCX: 00007f6e846c5f9a
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00000000ffffffff R08: 00007f6e7c64f1c0 R09: 0000000020000000
R10: 0000000001a484bc R11: 0000000000000286 R12: 0000000020000100
R13: 00000000200000c0 R14: 0000000000000000 R15: 00000000200009c0
INFO: task syz-executor341:7523 blocked for more than 145 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:24672 pid:7523 ppid:5052 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
bit_wait+0x16/0xe0 kernel/sched/wait_bit.c:199
__wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49
__inode_wait_for_writeback+0x153/0x1f0 fs/fs-writeback.c:1477
inode_wait_for_writeback+0x26/0x40 fs/fs-writeback.c:1489
evict+0x2b7/0x6b0 fs/inode.c:662
iput_final fs/inode.c:1747 [inline]
iput fs/inode.c:1773 [inline]
iput+0x4a7/0x7a0 fs/inode.c:1759
dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
d_delete fs/dcache.c:2565 [inline]
d_delete+0x16f/0x1c0 fs/dcache.c:2554
xattr_unlink+0x139/0x190 fs/reiserfs/xattr.c:97
lookup_and_delete_xattr fs/reiserfs/xattr.c:495 [inline]
reiserfs_xattr_set_handle+0x7bd/0xb00 fs/reiserfs/xattr.c:530
reiserfs_xattr_set+0x454/0x5b0 fs/reiserfs/xattr.c:634
trusted_set+0xa7/0xd0 fs/reiserfs/xattr_trusted.c:31
__vfs_removexattr+0x155/0x1c0 fs/xattr.c:519
__vfs_removexattr_locked+0x1b0/0x440 fs/xattr.c:554
vfs_removexattr+0xcf/0x260 fs/xattr.c:576
ovl_do_removexattr fs/overlayfs/overlayfs.h:273 [inline]
ovl_removexattr fs/overlayfs/overlayfs.h:281 [inline]
ovl_make_workdir fs/overlayfs/super.c:1353 [inline]
ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
ovl_fill_super+0x6ec5/0x7270 fs/overlayfs/super.c:1992
mount_nodev+0x64/0x120 fs/super.c:1426
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x350 fs/super.c:1510
do_new_mount fs/namespace.c:3039 [inline]
path_mount+0x134b/0x1e40 fs/namespace.c:3369
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c4ad9
RSP: 002b:00007f6e846702f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e8474a780 RCX: 00007f6e846c4ad9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f6e84717318 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 7269647265776f6c
R13: 0079616c7265766f R14: 9837512483e3bdcd R15: 00007f6e8474a788
INFO: task syz-executor341:7538 blocked for more than 146 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:28496 pid:7538 ppid:5052 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
sync_inodes_sb+0x1aa/0xa60 fs/fs-writeback.c:2736
sync_filesystem.part.0+0xe6/0x1d0 fs/sync.c:64
sync_filesystem+0x8f/0xc0 fs/sync.c:43
reiserfs_remount+0x129/0x1650 fs/reiserfs/super.c:1445
legacy_reconfigure+0x119/0x180 fs/fs_context.c:633
reconfigure_super+0x40c/0xa30 fs/super.c:956
do_remount fs/namespace.c:2701 [inline]
path_mount+0x1846/0x1e40 fs/namespace.c:3361
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c5f9a
RSP: 002b:00007f6e7c64f128 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e7c64f6b8 RCX: 00007f6e846c5f9a
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00000000ffffffff R08: 00007f6e7c64f1c0 R09: 0000000020000000
R10: 0000000001a484bc R11: 0000000000000286 R12: 0000000020000100
R13: 00000000200000c0 R14: 0000000000000000 R15: 00000000200009c0
INFO: task syz-executor341:8321 blocked for more than 146 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:23672 pid:8321 ppid:5054 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
bit_wait+0x16/0xe0 kernel/sched/wait_bit.c:199
__wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49
__inode_wait_for_writeback+0x153/0x1f0 fs/fs-writeback.c:1477
inode_wait_for_writeback+0x26/0x40 fs/fs-writeback.c:1489
evict+0x2b7/0x6b0 fs/inode.c:662
iput_final fs/inode.c:1747 [inline]
iput fs/inode.c:1773 [inline]
iput+0x4a7/0x7a0 fs/inode.c:1759
dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
d_delete fs/dcache.c:2565 [inline]
d_delete+0x16f/0x1c0 fs/dcache.c:2554
xattr_unlink+0x139/0x190 fs/reiserfs/xattr.c:97
lookup_and_delete_xattr fs/reiserfs/xattr.c:495 [inline]
reiserfs_xattr_set_handle+0x7bd/0xb00 fs/reiserfs/xattr.c:530
reiserfs_xattr_set+0x454/0x5b0 fs/reiserfs/xattr.c:634
trusted_set+0xa7/0xd0 fs/reiserfs/xattr_trusted.c:31
__vfs_removexattr+0x155/0x1c0 fs/xattr.c:519
__vfs_removexattr_locked+0x1b0/0x440 fs/xattr.c:554
vfs_removexattr+0xcf/0x260 fs/xattr.c:576
ovl_do_removexattr fs/overlayfs/overlayfs.h:273 [inline]
ovl_removexattr fs/overlayfs/overlayfs.h:281 [inline]
ovl_make_workdir fs/overlayfs/super.c:1353 [inline]
ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
ovl_fill_super+0x6ec5/0x7270 fs/overlayfs/super.c:1992
mount_nodev+0x64/0x120 fs/super.c:1426
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x350 fs/super.c:1510
do_new_mount fs/namespace.c:3039 [inline]
path_mount+0x134b/0x1e40 fs/namespace.c:3369
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c4ad9
RSP: 002b:00007f6e846702f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e8474a780 RCX: 00007f6e846c4ad9
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f6e84717318 R08: 0000000020000480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 7269647265776f6c
R13: 0079616c7265766f R14: 9837512483e3bdcd R15: 00007f6e8474a788
INFO: task syz-executor341:8332 blocked for more than 146 seconds.
Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor341 state:D stack:28360 pid:8332 ppid:5054 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x1d15/0x5790 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
sync_inodes_sb+0x1aa/0xa60 fs/fs-writeback.c:2736
sync_filesystem.part.0+0xe6/0x1d0 fs/sync.c:64
sync_filesystem+0x8f/0xc0 fs/sync.c:43
reiserfs_remount+0x129/0x1650 fs/reiserfs/super.c:1445
legacy_reconfigure+0x119/0x180 fs/fs_context.c:633
reconfigure_super+0x40c/0xa30 fs/super.c:956
do_remount fs/namespace.c:2701 [inline]
path_mount+0x1846/0x1e40 fs/namespace.c:3361
do_mount fs/namespace.c:3382 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3568
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: 0033:0x7f6e846c5f9a
RSP: 002b:00007f6e7c64f128 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e7c64f6b8 RCX: 00007f6e846c5f9a
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00000000ffffffff R08: 00007f6e7c64f1c0 R09: 0000000020000000
R10: 0000000001a484bc R11: 0000000000000286 R12: 0000000020000100
R13: 00000000200000c0 R14: 0000000000000000 R15: 00000000200009c0
Showing all locks held in the system:
2 locks held by kworker/u4:0/10:
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2378
#1: ffffc900000f7db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2382
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c798530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c798230 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
2 locks held by kworker/1:1/26:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2378
#1: ffffc90000a1fdb0 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2382
1 lock held by khungtaskd/28:
#0: ffffffff8c799140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390 kernel/locking/lockdep.c:6559
2 locks held by kworker/u4:2/41:
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2378
#1: ffffc90000b27db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2382
2 locks held by kworker/u4:5/1014:
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff8880132ad138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2378
#1: ffffc90005617db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2382
2 locks held by getty/4754:
#0: ffff88802c59a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
4 locks held by syz-executor341/5589:
#0: ffff88802baa60e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffff88814c752460 (sb_writers#9){.+.+}-{0:0}, at: ovl_make_workdir fs/overlayfs/super.c:1282 [inline]
#1: ffff88814c752460 (sb_writers#9){.+.+}-{0:0}, at: ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
#1: ffff88814c752460 (sb_writers#9){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 fs/overlayfs/super.c:1992
#2: ffff8880700102e0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#2: ffff8880700102e0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 fs/xattr.c:575
#3: ffff8880776abe80 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:810 [inline]
#3: ffff8880776abe80 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:487 [inline]
#3: ffff8880776abe80 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 fs/reiserfs/xattr.c:530
2 locks held by syz-executor341/5603:
#0: ffff88814c7520e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: do_remount fs/namespace.c:2698 [inline]
#0: ffff88814c7520e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 fs/namespace.c:3361
#1: ffff88801f1d27d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff88801f1d27d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 fs/fs-writeback.c:2734
4 locks held by syz-executor341/7523:
#0: ffff88802a8440e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffff88807e34e460 (sb_writers#9){.+.+}-{0:0}, at: ovl_make_workdir fs/overlayfs/super.c:1282 [inline]
#1: ffff88807e34e460 (sb_writers#9){.+.+}-{0:0}, at: ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
#1: ffff88807e34e460 (sb_writers#9){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 fs/overlayfs/super.c:1992
#2: ffff888074b1ece0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#2: ffff888074b1ece0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 fs/xattr.c:575
#3: ffff888074a0cbc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:810 [inline]
#3: ffff888074a0cbc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:487 [inline]
#3: ffff888074a0cbc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 fs/reiserfs/xattr.c:530
2 locks held by syz-executor341/7538:
#0: ffff88807e34e0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: do_remount fs/namespace.c:2698 [inline]
#0: ffff88807e34e0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 fs/namespace.c:3361
#1: ffff88801f1c47d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff88801f1c47d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 fs/fs-writeback.c:2734
4 locks held by syz-executor341/8321:
#0: ffff8880298de0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffff88802c0dc460 (sb_writers#9){.+.+}-{0:0}, at: ovl_make_workdir fs/overlayfs/super.c:1282 [inline]
#1: ffff88802c0dc460 (sb_writers#9){.+.+}-{0:0}, at: ovl_get_workdir fs/overlayfs/super.c:1436 [inline]
#1: ffff88802c0dc460 (sb_writers#9){.+.+}-{0:0}, at: ovl_fill_super+0x1c5e/0x7270 fs/overlayfs/super.c:1992
#2: ffff888074a02400 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#2: ffff888074a02400 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_removexattr+0xbb/0x260 fs/xattr.c:575
#3: ffff888070024bc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:810 [inline]
#3: ffff888070024bc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:487 [inline]
#3: ffff888070024bc0 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: reiserfs_xattr_set_handle+0x72c/0xb00 fs/reiserfs/xattr.c:530
2 locks held by syz-executor341/8332:
#0: ffff88802c0dc0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: do_remount fs/namespace.c:2698 [inline]
#0: ffff88802c0dc0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: path_mount+0x1401/0x1e40 fs/namespace.c:3361
#1: ffff88801f2887d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:364 [inline]
#1: ffff88801f2887d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x190/0xa60 fs/fs-writeback.c:2734
2 locks held by syz-executor341/11206:
#0: ffff88802c0da0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
1 lock held by syz-executor341/11208:
#0: ffff8880215440e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
2 locks held by syz-executor341/11214:
#0: ffff8880225e60e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#1: ffffffff8c7a4538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:112