INFO: task syz-executor380:6457 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor380 state:D stack:0 pid:6457 tgid:6457 ppid:6454 flags:0x0000000c
Call trace:
__switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1744/0x27f0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xbc/0x238 kernel/sched/core.c:6848
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905
__mutex_lock_common+0xeec/0x28f4 kernel/locking/mutex.c:665
__mutex_lock kernel/locking/mutex.c:735 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:787
lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x274/0x360 fs/jfs/jfs_umount.c:114
jfs_put_super+0x90/0x188 fs/jfs/super.c:194
generic_shutdown_super+0x12c/0x2bc fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x12c fs/super.c:473
deactivate_super+0xe0/0x100 fs/super.c:506
cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373
__cleanup_mnt+0x20/0x30 fs/namespace.c:1380
task_work_run+0x230/0x2e0 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151
exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
INFO: task syz-executor380:6459 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor380 state:D stack:0 pid:6459 tgid:6459 ppid:6454 flags:0x0000000c
Call trace:
__switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1744/0x27f0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xbc/0x238 kernel/sched/core.c:6848
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905
__mutex_lock_common+0xeec/0x28f4 kernel/locking/mutex.c:665
__mutex_lock kernel/locking/mutex.c:735 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:787
lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x274/0x360 fs/jfs/jfs_umount.c:114
jfs_put_super+0x90/0x188 fs/jfs/super.c:194
generic_shutdown_super+0x12c/0x2bc fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x12c fs/super.c:473
deactivate_super+0xe0/0x100 fs/super.c:506
cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373
__cleanup_mnt+0x20/0x30 fs/namespace.c:1380
task_work_run+0x230/0x2e0 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151
exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffff80008fbf3160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336
2 locks held by getty/6198:
#0: ffff0000d77680a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80009bacb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
2 locks held by syz-executor380/6456:
#0: ffff0000c72c40e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff0000c72c40e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff0000c72c40e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
#1: ffff800090003b28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor380/6457:
#0: ffff0000ddd1a0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff0000ddd1a0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff0000ddd1a0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
#1: ffff800090003b28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor380/6458:
#0: ffff0000dc9660e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff0000dc9660e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff0000dc9660e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
#1: ffff800090003b28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor380/6459:
#0: ffff0000dc7460e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff0000dc7460e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff0000dc7460e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
#1: ffff800090003b28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
1 lock held by syz-executor380/6460:
#0: ffff0000c856c0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff0000c856c0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff0000c856c0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
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