INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-4,10.128.0.22' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 40.093332] BUG: sleeping function called from invalid context at net/core/sock.c:2761 [ 40.094536] in_atomic(): 1, irqs_disabled(): 0, pid: 24, name: kworker/1:1 [ 40.095639] 2 locks held by kworker/1:1/24: [ 40.096231] #0: ((wq_completion)"%s"name){+.+.}, at: [] process_one_work+0xad4/0x1be0 [ 40.097657] #1: ((work_completion)(&squeue->work)){+.+.}, at: [] process_one_work+0xb2f/0x1be0 [ 40.099116] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 4.14.0+ #192 [ 40.099982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.101232] Workqueue: pencrypt padata_serial_worker [ 40.101910] Call Trace: [ 40.102271] dump_stack+0x194/0x257 [ 40.102764] ? arch_local_irq_restore+0x53/0x53 [ 40.103391] ? print_lock+0x9f/0xa2 [ 40.103883] ? lockdep_print_held_locks+0xc4/0x130 [ 40.104574] ___might_sleep+0x2b2/0x470 [ 40.105209] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 40.106006] ? padata_serial_worker+0x141/0x750 [ 40.106674] __might_sleep+0x95/0x190 [ 40.107195] lock_sock_nested+0x37/0x110 [ 40.107770] af_alg_async_cb+0x86/0x1a0 [ 40.108313] pcrypt_aead_serial+0x75/0xa0 [ 40.108901] padata_serial_worker+0x476/0x750 [ 40.109614] ? find_held_lock+0x39/0x1d0 [ 40.110188] ? padata_parallel_worker+0x750/0x750 [ 40.110859] ? process_one_work+0xb2f/0x1be0 [ 40.111463] ? __lock_is_held+0xbc/0x140 [ 40.112039] process_one_work+0xbfd/0x1be0 [ 40.112617] ? pwq_dec_nr_in_flight+0x450/0x450 [ 40.113243] ? finish_task_switch+0x1d3/0x740 [ 40.116460] ? finish_task_switch+0x1aa/0x740 [ 40.120954] ? __sched_text_start+0x8/0x8 [ 40.125091] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 40.130262] ? select_task_rq_fair+0x2770/0x2770 [ 40.134995] ? check_noncircular+0x20/0x20 [ 40.139205] ? find_held_lock+0x39/0x1d0 executing program executing program executing program executing program [ 40.143248] ? lock_acquire+0x1d5/0x580 [ 40.147204] ? worker_thread+0x4a3/0x1990 [ 40.151330] ? lock_release+0xda0/0xda0 [ 40.155277] ? check_noncircular+0x20/0x20 [ 40.159485] ? do_raw_spin_trylock+0x190/0x190 [ 40.164055] worker_thread+0x223/0x1990 [ 40.168022] ? process_one_work+0x1be0/0x1be0 [ 40.172491] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.176957] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.181955] ? trace_hardirqs_on+0xd/0x10 [ 40.186081] ? _raw_spin_unlock_irq+0x27/0x70 executing program executing program executing program [ 40.190552] ? finish_task_switch+0x1d3/0x740 [ 40.195013] ? finish_task_switch+0x1aa/0x740 [ 40.199483] ? copy_overflow+0x20/0x20 [ 40.203349] ? __schedule+0x8f3/0x2060 [ 40.207204] ? check_noncircular+0x20/0x20 [ 40.211424] ? find_held_lock+0x39/0x1d0 [ 40.215466] ? find_held_lock+0x39/0x1d0 [ 40.219506] ? lock_downgrade+0x980/0x980 [ 40.223626] ? default_wake_function+0x30/0x50 [ 40.228188] ? __schedule+0x2060/0x2060 [ 40.232132] ? do_wait_intr+0x3e0/0x3e0 [ 40.236091] ? do_raw_spin_trylock+0x190/0x190 executing program executing program executing program executing program executing program executing program executing program [ 40.240645] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.245720] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.250705] ? trace_hardirqs_on+0xd/0x10 [ 40.254821] ? __kthread_parkme+0x175/0x240 [ 40.259116] kthread+0x37a/0x440 [ 40.262458] ? process_one_work+0x1be0/0x1be0 [ 40.266921] ? kthread_stop+0x7b0/0x7b0 [ 40.270878] ret_from_fork+0x24/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program