INFO: task syz-executor.5:6129 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:0     pid:6129  tgid:6129  ppid:1      flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 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+0x130/0x2b8 fs/super.c:696
 kill_block_super+0x44/0x90 fs/super.c:1667
 deactivate_locked_super+0xc4/0x144 fs/super.c:484
 deactivate_super+0xe0/0x100 fs/super.c:517
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1256
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1263
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214c/0x393c arch/arm64/kernel/signal.c:1305
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300
2 locks held by syslogd/5698:
 #0: ffff0001b4166d98 (&rq->__lock){-.-.}-{2:2}, at: vfs_write+0x240/0x910 fs/read_write.c:580
 #1: ffff0001b4152e48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988
2 locks held by getty/5861:
 #0: ffff0000cd1950a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
2 locks held by syz-executor.5/6129:
 #0: ffff00010ad920e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff00010ad920e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff00010ad920e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:516
 #1: ffff80008eaa4828 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor.3/6132:
 #0: ffff0000cea7c0e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff0000cea7c0e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff0000cea7c0e0 (&type->s_umount_key#78){+.+.}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:516
 #1: ffff80008eaa4828 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444

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