EXT4-fs (loop7): mounted filesystem without journal. Opts: ,errors=continue
INFO: task syz-executor.1:5398 blocked for more than 143 seconds.
      Not tainted 5.10.45 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27216 pid: 5398 ppid:   398 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x83f/0x1e70 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 schedule_timeout+0x325/0x3f0 kernel/time/timer.c:1847
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x168/0x270 kernel/sched/completion.c:138
 __flush_work+0x4d8/0xa00 kernel/workqueue.c:3047
 __cancel_work_timer+0x364/0x4b0 kernel/workqueue.c:3134
 p9_conn_destroy net/9p/trans_fd.c:884 [inline]
 p9_fd_close+0x236/0x4a0 net/9p/trans_fd.c:919
 p9_client_create+0x8ef/0x1090 net/9p/client.c:1069
 v9fs_session_init+0x1dd/0x1680 fs/9p/v9fs.c:406
 v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126
 legacy_get_tree+0x105/0x220 fs/fs_context.c:592
 vfs_get_tree+0x8e/0x2f0 fs/super.c:1549
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x139a/0x2080 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount fs/namespace.c:3409 [inline]
 __x64_sys_mount+0x27e/0x300 fs/namespace.c:3409
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
RSP: 002b:00007fb934053188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609
RDX: 0000000020000c80 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00000000004bfcb9 R08: 00000000200000c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff4b5ebbdf R14: 00007fb934053300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6261
4 locks held by kworker/1:1/48:
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
 #0: ffff888007c58d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8ac/0x1590 kernel/workqueue.c:2241
 #1: ffff88800993fda8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2245
 #2: ffff88800c3b2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
 #3: ffffc900007df2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xdca/0x1320 drivers/tty/n_tty.c:2174
1 lock held by in:imklog/353:
 #0: ffff88800cd605f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
2 locks held by agetty/233:
 #0: ffff88800c3b2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
 #1: ffffc900007df2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xdca/0x1320 drivers/tty/n_tty.c:2174

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