INFO: task kworker/u4:4:2485 blocked for more than 140 seconds. Not tainted 4.14.169-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:4 D26768 2485 2 0x80000000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384 FAT-fs (loop2): bogus number of reserved sectors schedule+0x92/0x1c0 kernel/sched/core.c:3428 FAT-fs (loop2): Can't find a valid FAT filesystem schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 cleanup_net+0x11c/0x870 net/core/net_namespace.c:450 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Showing all locks held in the system: 1 lock held by khungtaskd/1053: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4544 3 locks held by kworker/u4:4/2485: #0: ("%s""netns"){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("%s""netns"){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("%s""netns"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("%s""netns"){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: (net_cleanup_work){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 #2: (net_mutex){+.+.}, at: [] cleanup_net+0x11c/0x870 net/core/net_namespace.c:450 2 locks held by getty/7599: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7600: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7601: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7602: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7603: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7604: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 2 locks held by getty/7605: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.5/12455: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/12478: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/12483: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/12514: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/12542: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.2/12554: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/12617: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/12670: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/12671: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.2/12690: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/12713: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/12733: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.2/12763: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/12769: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.2/12784: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/12905: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/12981: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/13352: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13429: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13455: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13596: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13662: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13751: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/13778: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/13872: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/13925: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14021: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14086: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14314: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/14613: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/14615: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14706: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14729: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/14762: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/14785: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/14816: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14887: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/14909: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/14971: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15006: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15012: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15037: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15049: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15117: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15118: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15166: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15169: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15194: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15195: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15209: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15210: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15287: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15316: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15402: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15420: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15429: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15430: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15453: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15471: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15493: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15496: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15511: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15577: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15648: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15680: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15723: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15758: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15811: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15850: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/15875: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/15884: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/15941: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/15971: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/16046: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/16064: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16097: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16120: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16245: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/16262: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16264: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16330: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16350: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16355: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16361: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/16377: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16421: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16426: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16445: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16458: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/16467: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16482: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16496: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16516: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16620: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16688: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16821: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16843: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16932: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/16948: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/16968: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/17087: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17119: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/17145: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17162: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17221: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17232: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/17259: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/17260: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17278: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17344: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17359: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17425: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17440: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/17443: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/17457: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17458: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17530: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17588: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17608: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17622: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17629: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17651: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/17672: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17749: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/17806: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/17893: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/17943: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/17991: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/18021: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/18022: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18096: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18117: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18139: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18155: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18178: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/18247: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/18329: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18380: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18444: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18471: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18532: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18595: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18657: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18781: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/18842: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18901: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.5/18932: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/18948: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19174: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19335: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19350: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19376: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19436: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19447: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19526: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/19586: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/19608: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19645: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.3/19675: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/19774: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19805: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19824: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19854: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19874: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/19912: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/19982: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 2 locks held by kworker/0:1/20009: #0: ("events"){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("events"){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("events"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("events"){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: (xfrm_state_gc_work){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 1 lock held by syz-executor.0/20060: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20084: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20109: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20131: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20186: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20209: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20261: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20267: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20293: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20520: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20524: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20555: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20589: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20604: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20665: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/20819: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20858: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20887: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/20899: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21021: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21044: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21144: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21150: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21204: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21224: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21273: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21285: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21291: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21305: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21315: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21329: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21357: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21394: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21451: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21585: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21641: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21661: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/21807: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21903: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/21997: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22076: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22096: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22123: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22332: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22350: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22383: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22406: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22466: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22478: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22545: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22589: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22624: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22856: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22911: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/22920: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22932: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/22991: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23007: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23079: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/23114: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/23127: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23384: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/23394: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23445: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23490: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/23491: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23517: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.1/23758: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24162: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24275: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24411: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24437: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24505: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24520: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24590: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24621: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24805: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24824: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24839: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/24861: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/25071: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 1 lock held by syz-executor.0/25092: #0: (net_mutex){+.+.}, at: [] copy_net_ns+0x15a/0x440 net/core/net_namespace.c:410 ============================================= IPVS: ftp: loaded support on port[0] = 21 NMI backtrace for cpu 0 CPU: 0 PID: 1053 Comm: khungtaskd Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5e7/0xb90 kernel/hung_task.c:274 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7648 Comm: syz-executor.4 Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88806acae380 task.stack: ffff88806acb0000 RIP: 0010:find_held_lock+0xd4/0x130 kernel/locking/lockdep.c:3620 RSP: 0018:ffff8880aed07ac0 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 0000000000000005 RCX: ffff8880aed07b50 RDX: 1ffff1100d595d96 RSI: ffffffff87f84ee0 RDI: ffff88806acaecb0 RBP: ffff8880aed07af0 R08: ffff88806acae380 R09: 0000000000000005 R10: 0000000000000000 R11: ffff88806acae380 R12: ffff88806acaeca0 R13: ffffffff814745db R14: ffffffff87f84ee0 R15: 0000000000000004 FS: 0000000001427940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e00914 CR3: 000000006ac89000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_release kernel/locking/lockdep.c:3763 [inline] lock_release+0x243/0x940 kernel/locking/lockdep.c:4013 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:685 [inline] cpuacct_charge+0x1f8/0x360 kernel/sched/cpuacct.c:363 update_curr+0x2d9/0x6a0 kernel/sched/fair.c:856 enqueue_entity+0x273/0x2120 kernel/sched/fair.c:3712 enqueue_task_fair+0xb9/0x5b0 kernel/sched/fair.c:4912 enqueue_task kernel/sched/core.c:763 [inline] activate_task+0x107/0x2e0 kernel/sched/core.c:782 ttwu_activate kernel/sched/core.c:1670 [inline] ttwu_do_activate+0xd4/0x200 kernel/sched/core.c:1729 ttwu_queue kernel/sched/core.c:1874 [inline] try_to_wake_up+0x8a2/0xf90 kernel/sched/core.c:2087 wake_up_process+0x10/0x20 kernel/sched/core.c:2160 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1441 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1287 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1321 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_release+0x44d/0x940 kernel/locking/lockdep.c:4016 RSP: 0018:ffff88806acb79a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff0fe2ce1 RBX: 1ffff1100d596f3a RCX: 1ffff1100d595d7e RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 0000000000000286 RBP: ffff88806acb7a38 R08: ffff88806acae380 R09: 0000000000000002 R10: 0000000000000000 R11: ffff88806acae380 R12: ffff88806acae380 R13: ffffffff81298494 R14: 0000000000000003 R15: ffff88806acb7a10 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1b/0x50 kernel/locking/spinlock.c:184 spin_unlock include/linux/spinlock.h:357 [inline] sync_global_pgds+0x194/0x400 arch/x86/mm/init_64.c:171 vmalloc_sync_all+0x22/0x30 arch/x86/mm/fault.c:406 __vmalloc_node_range+0x383/0x6a0 mm/vmalloc.c:1772 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc_node_flags mm/vmalloc.c:1829 [inline] vzalloc+0x46/0x50 mm/vmalloc.c:1868 alloc_counters.isra.0+0x48/0x90 net/ipv6/netfilter/ip6_tables.c:818 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:822 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1025 [inline] do_ipt_get_ctl+0x439/0x7e0 net/ipv4/netfilter/ip_tables.c:1702 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1566 [inline] ip_getsockopt+0x10d/0x150 net/ipv4/ip_sockglue.c:1551 tcp_getsockopt net/ipv4/tcp.c:3249 [inline] tcp_getsockopt+0x84/0xd0 net/ipv4/tcp.c:3243 sock_common_getsockopt+0x94/0xd0 net/core/sock.c:2927 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x126/0x1e0 net/socket.c:1878 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45de5a RSP: 002b:00007ffd2fc3e078 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007ffd2fc3e0a0 RCX: 000000000045de5a RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000071de80 R08: 00007ffd2fc3e09c R09: 0000000000004000 R10: 00007ffd2fc3e1a0 R11: 0000000000000212 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000071ca40 Code: 48 c1 e8 03 83 e2 07 42 0f b6 04 28 38 d0 7f 04 84 c0 75 5a 41 32 5c 24 21 83 e3 60 74 8e 45 31 e4 48 b8 00 00 00 00 00 fc ff df <48> 8b 4d d0 48 89 ca 48 c1 ea 03 0f b6 14 02 48 89 c8 83 e0 07