[ 37.211984][ T26] audit: type=1800 audit(1549879104.952:25): pid=7671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 37.233174][ T26] audit: type=1800 audit(1549879104.952:26): pid=7671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.268809][ T26] audit: type=1800 audit(1549879104.952:27): pid=7671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.840735][ T1173] kasan: CONFIG_KASAN_INLINE enabled [ 47.846463][ T1173] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.854604][ T1173] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 47.861540][ T1173] CPU: 1 PID: 1173 Comm: kworker/u5:0 Not tainted 5.0.0-rc5-next-20190211 #32 [ 47.870357][ T1173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.880397][ T1173] Workqueue: hci0 hci_power_on [ 47.885144][ T1173] RIP: 0010:qca_setup+0x134/0x15e1 [ 47.890239][ T1173] Code: c1 ea 03 80 3c 02 00 0f 85 8b 12 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 49 8d bc 24 f8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 12 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0 [ 47.909819][ T1173] RSP: 0018:ffff88808e17fa00 EFLAGS: 00010202 [ 47.915862][ T1173] RAX: dffffc0000000000 RBX: ffff88807f080d00 RCX: ffffffff84ef9cf2 [ 47.923829][ T1173] RDX: 000000000000001f RSI: ffffffff84f0ade1 RDI: 00000000000000f8 [ 47.931782][ T1173] RBP: ffff88808e17fb50 R08: ffff88808e166380 R09: 0000000000000004 [ 47.939733][ T1173] R10: ffffed1004f63c45 R11: ffff888027b1e22f R12: 0000000000000000 [ 47.948119][ T1173] R13: ffff88809540d6c0 R14: ffff88808e17fb28 R15: 0000000000000000 [ 47.956072][ T1173] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.964978][ T1173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.971536][ T1173] CR2: 00007fd107130000 CR3: 0000000049c93000 CR4: 00000000001406e0 [ 47.979484][ T1173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.987431][ T1173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.995421][ T1173] Call Trace: [ 47.998701][ T1173] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 48.004752][ T1173] ? qca_send_power_pulse+0x200/0x200 [ 48.010099][ T1173] ? hci_uart_set_baudrate+0x157/0x1c0 [ 48.015536][ T1173] ? debug_object_deactivate+0x29e/0x330 [ 48.021143][ T1173] ? qca_send_power_pulse+0x200/0x200 [ 48.026493][ T1173] hci_uart_setup+0x1c4/0x490 [ 48.031143][ T1173] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 48.036588][ T1173] hci_dev_do_open+0x67e/0x14b0 [ 48.041418][ T1173] ? hci_rx_work+0xaa0/0xaa0 [ 48.045984][ T1173] ? kasan_check_read+0x11/0x20 [ 48.050810][ T1173] ? process_one_work+0x890/0x1790 [ 48.055894][ T1173] ? find_held_lock+0x35/0x130 [ 48.060632][ T1173] hci_power_on+0x10d/0x580 [ 48.065110][ T1173] ? hci_error_reset+0xf0/0xf0 [ 48.069847][ T1173] ? __lock_is_held+0xb6/0x140 [ 48.074584][ T1173] ? check_preemption_disabled+0x48/0x290 [ 48.080282][ T1173] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 48.086415][ T1173] process_one_work+0x98e/0x1790 [ 48.091334][ T1173] ? pwq_dec_nr_in_flight+0x320/0x320 [ 48.096689][ T1173] worker_thread+0x98/0xe40 [ 48.101179][ T1173] kthread+0x357/0x430 [ 48.105229][ T1173] ? process_one_work+0x1790/0x1790 [ 48.110401][ T1173] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 48.116620][ T1173] ret_from_fork+0x3a/0x50 [ 48.121007][ T1173] Modules linked in: [ 48.125675][ T1173] ---[ end trace f67527e92e049314 ]--- [ 48.131182][ T1173] RIP: 0010:qca_setup+0x134/0x15e1 [ 48.136337][ T1173] Code: c1 ea 03 80 3c 02 00 0f 85 8b 12 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 49 8d bc 24 f8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 12 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0 [ 48.156002][ T1173] RSP: 0018:ffff88808e17fa00 EFLAGS: 00010202 [ 48.162049][ T1173] RAX: dffffc0000000000 RBX: ffff88807f080d00 RCX: ffffffff84ef9cf2 [ 48.170036][ T1173] RDX: 000000000000001f RSI: ffffffff84f0ade1 RDI: 00000000000000f8 [ 48.178047][ T1173] RBP: ffff88808e17fb50 R08: ffff88808e166380 R09: 0000000000000004 [ 48.186038][ T1173] R10: ffffed1004f63c45 R11: ffff888027b1e22f R12: 0000000000000000 [ 48.194029][ T1173] R13: ffff88809540d6c0 R14: ffff88808e17fb28 R15: 0000000000000000 [ 48.201988][ T1173] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.210937][ T1173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.217544][ T1173] CR2: 00007fd107130000 CR3: 0000000049c93000 CR4: 00000000001406e0 [ 48.225537][ T1173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.233504][ T1173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.241510][ T1173] Kernel panic - not syncing: Fatal exception [ 48.248551][ T1173] Kernel Offset: disabled [ 48.252873][ T1173] Rebooting in 86400 seconds..