loop3: detected capacity change from 0 to 240
SELinux:  duplicate or incompatible mount options
sr 1:0:0:0: [sr0] CDROM not ready.  Make sure there is a disc in the drive.
INFO: task syz-executor.6:4782 can't die for more than 143 seconds.
task:syz-executor.6  state:D stack:27824 pid: 4782 ppid:   297 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4986 [inline]
 __schedule+0x882/0x2160 kernel/sched/core.c:6296
 schedule+0xd2/0x260 kernel/sched/core.c:6369
 schedule_timeout+0x3ae/0x480 kernel/time/timer.c:1857
 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+0x174/0x270 kernel/sched/completion.c:138
 __flush_work+0x53f/0xae0 kernel/workqueue.c:3104
 __cancel_work_timer+0x398/0x4d0 kernel/workqueue.c:3191
 p9_conn_destroy net/9p/trans_fd.c:884 [inline]
 p9_fd_close+0x236/0x4a0 net/9p/trans_fd.c:919
 p9_client_create+0x941/0x10e0 net/9p/client.c:1067
 v9fs_session_init+0x1dd/0x1670 fs/9p/v9fs.c:408
 v9fs_mount+0x73/0x9a0 fs/9p/vfs_super.c:126
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8e/0x2f0 fs/super.c:1500
 do_new_mount fs/namespace.c:3010 [inline]
 path_mount+0x131b/0x1f80 fs/namespace.c:3340
 do_mount fs/namespace.c:3353 [inline]
 __do_sys_mount fs/namespace.c:3561 [inline]
 __se_sys_mount fs/namespace.c:3538 [inline]
 __x64_sys_mount+0x27e/0x300 fs/namespace.c:3538
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd1c9b53b19
RSP: 002b:00007fd1c70c9188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd1c9c66f60 RCX: 00007fd1c9b53b19
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fd1c9badf6d R08: 0000000020000240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcefa3eecf R14: 00007fd1c70c9300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.6:4782 blocked for more than 143 seconds.
      Not tainted 5.16.0-rc4-next-20211208 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6  state:D stack:27824 pid: 4782 ppid:   297 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4986 [inline]
 __schedule+0x882/0x2160 kernel/sched/core.c:6296
 schedule+0xd2/0x260 kernel/sched/core.c:6369
 schedule_timeout+0x3ae/0x480 kernel/time/timer.c:1857
 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+0x174/0x270 kernel/sched/completion.c:138
 __flush_work+0x53f/0xae0 kernel/workqueue.c:3104
 __cancel_work_timer+0x398/0x4d0 kernel/workqueue.c:3191
 p9_conn_destroy net/9p/trans_fd.c:884 [inline]
 p9_fd_close+0x236/0x4a0 net/9p/trans_fd.c:919
 p9_client_create+0x941/0x10e0 net/9p/client.c:1067
 v9fs_session_init+0x1dd/0x1670 fs/9p/v9fs.c:408
 v9fs_mount+0x73/0x9a0 fs/9p/vfs_super.c:126
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8e/0x2f0 fs/super.c:1500
 do_new_mount fs/namespace.c:3010 [inline]
 path_mount+0x131b/0x1f80 fs/namespace.c:3340
 do_mount fs/namespace.c:3353 [inline]
 __do_sys_mount fs/namespace.c:3561 [inline]
 __se_sys_mount fs/namespace.c:3538 [inline]
 __x64_sys_mount+0x27e/0x300 fs/namespace.c:3538
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd1c9b53b19
RSP: 002b:00007fd1c70c9188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd1c9c66f60 RCX: 00007fd1c9b53b19
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fd1c9badf6d R08: 0000000020000240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcefa3eecf R14: 00007fd1c70c9300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
4 locks held by kworker/0:0/5:
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
 #0: ffff888007858d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x929/0x1710 kernel/workqueue.c:2289
 #1: ffff888008167da8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x95d/0x1710 kernel/workqueue.c:2293
 #2: ffff88801852f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #3: ffffc900090f32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd3e/0x1280 drivers/tty/n_tty.c:2077
1 lock held by khungtaskd/24:
 #0: ffffffff85201860 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by in:imklog/186:
2 locks held by agetty/4768:
 #0: ffff88801852f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc900090f32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd3e/0x1280 drivers/tty/n_tty.c:2077

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