INFO: task syz-executor.1:8975 blocked for more than 430 seconds.
      Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:0     pid:8975  tgid:8975  ppid:1      flags:0x0040000d
Call trace:
 __switch_to+0x1c8/0x2a0 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xad8/0x2ae8 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xd0/0x24c kernel/sched/core.c:6817
 wb_wait_for_completion+0x178/0x220 fs/fs-writeback.c:192
 sync_inodes_sb+0x14c/0x700 fs/fs-writeback.c:2758
 sync_filesystem+0x118/0x1fc fs/sync.c:64
 generic_shutdown_super+0x68/0x2e4 fs/super.c:625
 kill_block_super+0x38/0x84 fs/super.c:1680
 ext4_kill_sb+0x58/0x9c fs/ext4/super.c:7319
 deactivate_locked_super+0x98/0x17c fs/super.c:477
 deactivate_super fs/super.c:510 [inline]
 deactivate_super+0xb0/0xd4 fs/super.c:506
 cleanup_mnt+0x174/0x324 fs/namespace.c:1267
 __cleanup_mnt+0x14/0x20 fs/namespace.c:1274
 task_work_run+0x124/0x20c kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0xb6c/0x3208 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_compat+0x118/0x13c arch/arm64/kernel/entry-common.c:819
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:828
 el0t_32_sync+0x194/0x198 arch/arm64/kernel/entry.S:600
INFO: lockdep is turned off.