[ 36.445646][ T26] audit: type=1800 audit(1553169527.049:28): pid=7499 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 37.220284][ T26] audit: type=1800 audit(1553169527.899:29): pid=7499 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 37.241307][ T26] audit: type=1800 audit(1553169527.899:30): pid=7499 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.428624][ T1173] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 46.437339][ T1173] #PF error: [INSTR] [ 46.441228][ T1173] PGD a7d75067 P4D a7d75067 PUD 9fa83067 PMD 0 [ 46.449855][ T1173] Oops: 0010 [#1] PREEMPT SMP KASAN [ 46.455052][ T1173] CPU: 1 PID: 1173 Comm: kworker/u5:0 Not tainted 5.1.0-rc1+ #31 [ 46.464886][ T1173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.474938][ T1173] Workqueue: hci0 hci_power_on [ 46.479681][ T1173] RIP: 0010: (null) [ 46.484381][ T1173] Code: Bad RIP value. [ 46.488441][ T1173] RSP: 0018:ffff8880a7807a28 EFLAGS: 00010246 [ 46.494899][ T1173] RAX: 0000000000000000 RBX: ffffffff87ac4d20 RCX: 0000000000000000 [ 46.502869][ T1173] RDX: 1ffffffff0f589bd RSI: 1ffff11014fff58f RDI: ffff8880a0f6ca00 [ 46.511219][ T1173] RBP: ffff8880a7807b00 R08: ffff8880a7ffa380 R09: 0000000000000004 [ 46.519262][ T1173] R10: ffffed10141ed945 R11: ffff8880a0f6ca2f R12: ffff8880a0f6ca00 [ 46.528040][ T1173] R13: 1ffff11014f00f47 R14: ffff8880a0f6ca10 R15: 0000000000000000 [ 46.536882][ T1173] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 46.545792][ T1173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.552361][ T1173] CR2: ffffffffffffffd6 CR3: 000000009fa85000 CR4: 00000000001406e0 [ 46.560311][ T1173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.568277][ T1173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.576223][ T1173] Call Trace: [ 46.579513][ T1173] hci_uart_set_flow_control+0x41e/0x600 [ 46.585133][ T1173] ? hci_uart_init_ready+0xc0/0xc0 [ 46.590229][ T1173] ? hci_uart_set_baudrate+0x157/0x1c0 [ 46.595874][ T1173] mrvl_setup+0x22/0x110 [ 46.600106][ T1173] ? mrvl_load_firmware+0x5b0/0x5b0 [ 46.605286][ T1173] hci_uart_setup+0x1c4/0x490 [ 46.609946][ T1173] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 46.615405][ T1173] hci_dev_do_open+0x78c/0x1780 [ 46.620236][ T1173] ? hci_rx_work+0xaa0/0xaa0 [ 46.624838][ T1173] ? mark_held_locks+0xf0/0xf0 [ 46.629584][ T1173] hci_power_on+0x10d/0x580 [ 46.634338][ T1173] ? hci_error_reset+0xf0/0xf0 [ 46.639110][ T1173] process_one_work+0x98e/0x1790 [ 46.644333][ T1173] ? pwq_dec_nr_in_flight+0x320/0x320 [ 46.649700][ T1173] worker_thread+0x98/0xe40 [ 46.654189][ T1173] kthread+0x357/0x430 [ 46.658252][ T1173] ? process_one_work+0x1790/0x1790 [ 46.663435][ T1173] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 46.669743][ T1173] ret_from_fork+0x3a/0x50 [ 46.674143][ T1173] Modules linked in: [ 46.678015][ T1173] CR2: 0000000000000000 [ 46.682166][ T1173] ---[ end trace 1fd0bc84b188ab23 ]--- [ 46.687616][ T1173] RIP: 0010: (null) [ 46.693410][ T1173] Code: Bad RIP value. [ 46.697465][ T1173] RSP: 0018:ffff8880a7807a28 EFLAGS: 00010246 [ 46.703524][ T1173] RAX: 0000000000000000 RBX: ffffffff87ac4d20 RCX: 0000000000000000 [ 46.711547][ T1173] RDX: 1ffffffff0f589bd RSI: 1ffff11014fff58f RDI: ffff8880a0f6ca00 [ 46.719498][ T1173] RBP: ffff8880a7807b00 R08: ffff8880a7ffa380 R09: 0000000000000004 [ 46.727450][ T1173] R10: ffffed10141ed945 R11: ffff8880a0f6ca2f R12: ffff8880a0f6ca00 [ 46.735417][ T1173] R13: 1ffff11014f00f47 R14: ffff8880a0f6ca10 R15: 0000000000000000 [ 46.743386][ T1173] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 46.752312][ T1173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.766050][ T1173] CR2: ffffffffffffffd6 CR3: 000000009fa85000 CR4: 00000000001406e0 [ 46.774008][ T1173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.781959][ T1173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.789908][ T1173] Kernel panic - not syncing: Fatal exception [ 46.797681][ T1173] Kernel Offset: disabled [ 46.802008][ T1173] Rebooting in 86400 seconds..