[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command 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. [ 17.792319] audit: type=1400 audit(1520492302.295:6): avc: denied { map } for pid=4212 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.152802] audit: type=1400 audit(1520492308.655:7): avc: denied { map } for pid=4226 comm="syzkaller066072" path="/root/syzkaller066072941" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 29.663186] kasan: CONFIG_KASAN_INLINE enabled [ 29.667930] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.675550] general protection fault: 0000 [#1] SMP KASAN [ 29.681064] Dumping ftrace buffer: [ 29.684579] (ftrace buffer empty) [ 29.688266] Modules linked in: [ 29.691436] CPU: 0 PID: 4226 Comm: syzkaller066072 Not tainted 4.16.0-rc4+ #345 [ 29.698879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.708213] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.713283] RSP: 0018:ffff8801b0857cc8 EFLAGS: 00010206 [ 29.718614] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4 [ 29.725854] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.733102] RBP: ffff8801b0857ce0 R08: 0000000000000000 R09: 1ffff1003610af15 [ 29.740356] R10: ffff8801b0857870 R11: 0000000000000001 R12: ffff8801b174a7d2 [ 29.747596] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b0857d58 [ 29.754836] FS: 0000000001341880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 29.763031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.768883] CR2: 00007fd548207000 CR3: 00000001b797c005 CR4: 00000000001606f0 [ 29.776129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.783378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.790624] Call Trace: [ 29.793193] smc_shutdown+0x3ed/0x540 [ 29.796964] SyS_shutdown+0x137/0x290 [ 29.800735] ? SyS_getsockopt+0x340/0x340 [ 29.804862] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.810367] ? do_syscall_64+0xb7/0x940 [ 29.814310] ? SyS_getsockopt+0x340/0x340 [ 29.818430] do_syscall_64+0x281/0x940 [ 29.822303] ? __do_page_fault+0xc90/0xc90 [ 29.826508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.831245] ? syscall_return_slowpath+0x550/0x550 [ 29.836145] ? syscall_return_slowpath+0x2ac/0x550 [ 29.841043] ? prepare_exit_to_usermode+0x350/0x350 [ 29.846029] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 29.851374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.856188] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 29.861345] RIP: 0033:0x43fce9 [ 29.864506] RSP: 002b:00007ffe51d60388 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 29.872183] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fce9 [ 29.879422] RDX: 000000000043fce9 RSI: 0000000000000000 RDI: 0000000000000003 [ 29.886664] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 29.893904] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401610 [ 29.901154] R13: 00000000004016a0 R14: 0000000000000000 R15: 0000000000000000 [ 29.908448] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 1c 2f 11 fd 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 32 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 [ 29.927536] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b0857cc8 [ 29.934212] ---[ end trace 80d360f76c15c33a ]--- [ 29.938960] Kernel panic - not syncing: Fatal exception [ 29.944865] Dumping ftrace buffer: [ 29.948387] (ftrace buffer empty) [ 29.952070] Kernel Offset: disabled [ 29.955671] Rebooting in 86400 seconds..