INFO: task syz-executor:6544 blocked for more than 143 seconds.
Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20616 pid:6544 tgid:6544 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x184c/0x4bd0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x147/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e3/0xed0 kernel/locking/mutex.c:735
lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x2ca/0x3a0 fs/jfs/jfs_umount.c:114
jfs_put_super+0x86/0x180 fs/jfs/super.c:194
generic_shutdown_super+0x135/0x2d0 fs/super.c:642
kill_block_super+0x40/0x90 fs/super.c:1710
deactivate_locked_super+0xc0/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24b/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13a/0x320 kernel/entry/common.c:218
do_syscall_64+0x8a/0x180 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc6e4387057
RSP: 002b:00007ffd18fcd298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc6e4387057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd18fcd350
RBP: 00007ffd18fcd350 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd18fce3d0
R13: 00007fc6e44018f4 R14: 00007ffd18fce410 R15: 0000000000000001
INFO: task syz-executor:6556 blocked for more than 144 seconds.
Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20168 pid:6556 tgid:6556 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x184c/0x4bd0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x147/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e3/0xed0 kernel/locking/mutex.c:735
lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x2ca/0x3a0 fs/jfs/jfs_umount.c:114
jfs_put_super+0x86/0x180 fs/jfs/super.c:194
generic_shutdown_super+0x135/0x2d0 fs/super.c:642
kill_block_super+0x40/0x90 fs/super.c:1710
deactivate_locked_super+0xc0/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24b/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13a/0x320 kernel/entry/common.c:218
do_syscall_64+0x8a/0x180 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4d57b87057
RSP: 002b:00007fff85647a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4d57b87057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff85647b50
RBP: 00007fff85647b50 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff85648bd0
R13: 00007f4d57c018f4 R14: 00007fff85648c10 R15: 0000000000000001
Showing all locks held in the system:
1 lock held by ksoftirqd/0/16:
#0: ffff8880b883e918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:598
1 lock held by rcu_preempt/17:
#0: ffff8880b883e918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:598
1 lock held by khungtaskd/30:
#0: ffffffff8df34fe0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8df34fe0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8df34fe0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6744
2 locks held by getty/5518:
#0: ffff88814c2a00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a2/0x1df0 drivers/tty/n_tty.c:2211
2 locks held by syz-executor/6538:
#0: ffff8880240660e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880240660e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880240660e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/6544:
#0: ffff888010de60e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff888010de60e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff888010de60e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/6556:
#0: ffff8880268b20e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880268b20e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880268b20e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7270:
#0: ffff88807cb500e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807cb500e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807cb500e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7282:
#0: ffff888061bac0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff888061bac0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff888061bac0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7301:
#0: ffff8880269d40e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880269d40e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880269d40e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7303:
#0: ffff88807b6120e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807b6120e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807b6120e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7305:
#0: ffff88805a3f80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88805a3f80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88805a3f80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
3 locks held by kworker/u8:8/7355:
2 locks held by syz-executor/7382:
#0: ffff88804b7620e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88804b7620e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88804b7620e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
#1: ffffffff8e351f08 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444
1 lock held by syz-executor/7406:
#0: ffff88804a38a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88804a38a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88804a38a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb1/0xf0 fs/super.c:505
1 lock held by syz-executor/7420:
2 locks held by syz.6.563/8570:
2 locks held by syz.4.566/8574:
2 locks held by syz.2.569/8580:
2 locks held by syz.5.570/8582:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x23d/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x194/0x2f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xfe6/0x1030 kernel/hung_task.c:397
kthread+0x2ec/0x380 kernel/kthread.c:389
ret_from_fork+0x47/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7383 Comm: udevd Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:tomoyo_check_acl+0xae/0x3f0 security/tomoyo/domain.c:173
Code: 03 42 0f b6 04 28 84 c0 0f 85 c3 02 00 00 4d 8b 37 4d 39 fe 0f 84 eb 01 00 00 49 8d 6e 18 48 89 e8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 0f 01 00 00 0f b6 6d 00 31 ff 89 ee e8 3d f4 72 fd 85
RSP: 0018:ffffc9000517f538 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88806ba5da00
RDX: 0000000000000000 RSI: 0000000097e801a4 RDI: 0000000009504e3f
RBP: ffff88801f764f98 R08: ffffffff842cd446 R09: ffffffff842ccfd8
R10: 0000000000000002 R11: ffffffff842b7e90 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88801f764f80 R15: ffff88802f358290
FS: 00007feb4e91ec80(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3eee27e000 CR3: 0000000034450000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tomoyo_path_permission+0x1af/0x360 security/tomoyo/file.c:586
tomoyo_check_open_permission+0x303/0x4e0 security/tomoyo/file.c:777
security_file_open+0xa0/0x220 security/security.c:3105
do_dentry_open+0x328/0x1b70 fs/open.c:928
vfs_open+0x3a/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c7c/0x3580 fs/namei.c:3987
do_filp_open+0x27b/0x4d0 fs/namei.c:4014
do_sys_openat2+0x13a/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1428
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7feb4e5169a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffee902ed20 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007feb4e5169a4
RDX: 0000000000080000 RSI: 00007ffee902ee58 RDI: 00000000ffffff9c
RBP: 00007ffee902ee58 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 000055613c64db42 R14: 0000000000000001 R15: 0000000000000001