INFO: task syz-executor.3:10842 can't die for more than 143 seconds.
syz-executor.3  D27704 10842  10841 0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3533 [inline]
 __schedule+0x908/0x21e0 kernel/sched/core.c:4289
 schedule+0xd0/0x2a0 kernel/sched/core.c:4364
 p9_client_rpc+0x3b5/0x1220 net/9p/client.c:757
 p9_client_flush+0x1f9/0x430 net/9p/client.c:665
 p9_client_rpc+0xfcd/0x1220 net/9p/client.c:782
 p9_client_version net/9p/client.c:953 [inline]
 p9_client_create+0xa8f/0x10c0 net/9p/client.c:1053
 v9fs_session_init+0x1dd/0x1770 fs/9p/v9fs.c:406
 v9fs_mount+0x79/0x970 fs/9p/vfs_super.c:124
 legacy_get_tree+0x105/0x220 fs/fs_context.c:592
 vfs_get_tree+0x89/0x2f0 fs/super.c:1558
 do_new_mount fs/namespace.c:2912 [inline]
 do_mount+0x14f6/0x1e20 fs/namespace.c:3238
 __do_sys_mount fs/namespace.c:3448 [inline]
 __se_sys_mount fs/namespace.c:3425 [inline]
 __x64_sys_mount+0x18f/0x230 fs/namespace.c:3425
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c369
Code: Bad RIP value.
RSP: 002b:00007f490a8aac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000001fb80 RCX: 000000000045c369
RDX: 0000000020000340 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 000000000078bf50 R08: 00000000200005c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffe016ac2bf R14: 00007f490a8ab9c0 R15: 000000000078bf0c

Showing all locks held in the system:
1 lock held by khungtaskd/1136:
 #0: ffffffff89c52bc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5817
3 locks held by kworker/u4:5/2514:
 #0: ffff8880ae635e18 (&rq->lock){-.-.}-{2:2}, at: newidle_balance+0x77f/0xe30 kernel/sched/fair.c:10549
 #1: ffffffff89c52bc0 (rcu_read_lock){....}-{1:2}, at: cpu_of kernel/sched/sched.h:1072 [inline]
 #1: ffffffff89c52bc0 (rcu_read_lock){....}-{1:2}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6014
 #2: ffff8880ae6255d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x55/0x1a0 kernel/time/timer.c:946
2 locks held by in:imklog/6521:
 #0: ffff888097fba6b0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
 #1: ffffffff8cbdf530 (&obj_hash[i].lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1282 [inline]
 #1: ffffffff8cbdf530 (&obj_hash[i].lock){-.-.}-{2:2}, at: ttwu_queue kernel/sched/core.c:2479 [inline]
 #1: ffffffff8cbdf530 (&obj_hash[i].lock){-.-.}-{2:2}, at: try_to_wake_up+0x52b/0x12b0 kernel/sched/core.c:2741
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