device lo left promiscuous mode INFO: task syz-executor.1:7175 blocked for more than 143 seconds. Not tainted 5.10.109 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27880 pid: 7175 ppid: 285 flags:0x10004004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_timeout+0x369/0x3f0 kernel/time/timer.c:1850 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+0x4c2/0xa20 kernel/workqueue.c:3056 __cancel_work_timer+0x364/0x4b0 kernel/workqueue.c:3143 p9_conn_destroy net/9p/trans_fd.c:889 [inline] p9_fd_close+0x29f/0x4a0 net/9p/trans_fd.c:919 p9_client_create+0x8ef/0x1090 net/9p/client.c:1071 v9fs_session_init+0x1dd/0x1690 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:2899 [inline] path_mount+0x13ba/0x20a0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount fs/namespace.c:3427 [inline] __x64_sys_mount+0x27e/0x300 fs/namespace.c:3427 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f6e39f7ab19 RSP: 002b:00007f6e374ae188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6e3a08e0e0 RCX: 00007f6e39f7ab19 RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000 RBP: 00007f6e39fd4f6d R08: 0000000020000200 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe6be82ef R14: 00007f6e374ae300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 1 lock held by in:imklog/179: #0: ffff88800cc719f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974 3 locks held by rs:main Q:Reg/180: 2 locks held by kworker/0:1/5081: #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:2250 #1: ffff888045137da8 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2254 =============================================