[ 42.591399][ T26] audit: type=1800 audit(1553188772.599:31): pid=7849 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command[ 42.912889][ T26] audit: type=1800 audit(1553188772.959:32): pid=7849 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?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 '10.128.15.217' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.652872][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 50.652888][ T26] audit: type=1400 audit(1553188780.699:36): avc: denied { map } for pid=8036 comm="syz-executor696" path="/root/syz-executor696006744" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.705174][ T1174] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 50.714001][ T1174] #PF error: [INSTR] [ 50.717904][ T1174] PGD 8c208067 P4D 8c208067 PUD 8e5f2067 PMD 0 [ 50.724153][ T1174] Oops: 0010 [#1] PREEMPT SMP KASAN [ 50.729336][ T1174] CPU: 0 PID: 1174 Comm: kworker/u5:0 Not tainted 5.1.0-rc1+ #31 [ 50.737045][ T1174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.747112][ T1174] Workqueue: hci0 hci_power_on [ 50.751861][ T1174] RIP: 0010: (null) [ 50.756436][ T1174] Code: Bad RIP value. [ 50.760490][ T1174] RSP: 0018:ffff8880a7fefa28 EFLAGS: 00010246 [ 50.766537][ T1174] RAX: 0000000000000000 RBX: ffffffff87ac4d20 RCX: 0000000000000000 [ 50.774498][ T1174] RDX: 1ffffffff0f589bd RSI: 1ffff11014ff4d97 RDI: ffff888095ec4480 [ 50.782457][ T1174] RBP: ffff8880a7fefb00 R08: ffff8880a7fa63c0 R09: 0000000000000004 [ 50.790415][ T1174] R10: ffffed1012bd8895 R11: ffff888095ec44af R12: ffff888095ec4480 [ 50.798385][ T1174] R13: 1ffff11014ffdf47 R14: ffff888095ec4490 R15: 0000000000000000 [ 50.806339][ T1174] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.815246][ T1174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.821816][ T1174] CR2: ffffffffffffffd6 CR3: 0000000089bd6000 CR4: 00000000001406f0 [ 50.829778][ T1174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.837739][ T1174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.845699][ T1174] Call Trace: [ 50.848978][ T1174] hci_uart_set_flow_control+0x41e/0x600 [ 50.854622][ T1174] ? hci_uart_init_ready+0xc0/0xc0 [ 50.859740][ T1174] ? hci_uart_set_baudrate+0x157/0x1c0 [ 50.865181][ T1174] mrvl_setup+0x22/0x110 [ 50.869399][ T1174] ? mrvl_load_firmware+0x5b0/0x5b0 [ 50.874585][ T1174] hci_uart_setup+0x1c4/0x490 [ 50.879244][ T1174] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 50.884685][ T1174] hci_dev_do_open+0x78c/0x1780 [ 50.889514][ T1174] ? lockdep_hardirqs_on+0x418/0x5d0 [ 50.894773][ T1174] ? hci_rx_work+0xaa0/0xaa0 [ 50.899338][ T1174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.904774][ T1174] ? retint_kernel+0x2d/0x2d [ 50.909341][ T1174] hci_power_on+0x10d/0x580 [ 50.913822][ T1174] ? hci_error_reset+0xf0/0xf0 [ 50.918602][ T1174] process_one_work+0x98e/0x1790 [ 50.923521][ T1174] ? pwq_dec_nr_in_flight+0x320/0x320 [ 50.928873][ T1174] worker_thread+0x98/0xe40 [ 50.933355][ T1174] kthread+0x357/0x430 [ 50.937413][ T1174] ? process_one_work+0x1790/0x1790 [ 50.942596][ T1174] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 50.948818][ T1174] ret_from_fork+0x3a/0x50 [ 50.953229][ T1174] Modules linked in: [ 50.957102][ T1174] CR2: 0000000000000000 [ 50.961253][ T1174] ---[ end trace 15c24599b1b13b8f ]--- [ 50.966701][ T1174] RIP: 0010: (null) [ 50.971300][ T1174] Code: Bad RIP value. [ 50.975342][ T1174] RSP: 0018:ffff8880a7fefa28 EFLAGS: 00010246 [ 50.981381][ T1174] RAX: 0000000000000000 RBX: ffffffff87ac4d20 RCX: 0000000000000000 [ 50.989331][ T1174] RDX: 1ffffffff0f589bd RSI: 1ffff11014ff4d97 RDI: ffff888095ec4480 [ 50.997288][ T1174] RBP: ffff8880a7fefb00 R08: ffff8880a7fa63c0 R09: 0000000000000004 [ 51.005243][ T1174] R10: ffffed1012bd8895 R11: ffff888095ec44af R12: ffff888095ec4480 [ 51.013190][ T1174] R13: 1ffff11014ffdf47 R14: ffff888095ec4490 R15: 0000000000000000 [ 51.021143][ T1174] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.030050][ T1174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.036609][ T1174] CR2: ffffffffffffffd6 CR3: 0000000089bd6000 CR4: 00000000001406f0 [ 51.044562][ T1174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.052547][ T1174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.060510][ T1174] Kernel panic - not syncing: Fatal exception [ 51.067210][ T1174] Kernel Offset: disabled [ 51.077858][ T1174] Rebooting in 86400 seconds..