[?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. [ 17.382039] audit: type=1400 audit(1520706573.662:6): avc: denied { map } for pid=4104 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 '10.128.0.46' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.654305] audit: type=1400 audit(1520706579.935:7): avc: denied { map } for pid=4118 comm="syzkaller114737" path="/root/syzkaller114737561" 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 [ 29.151390] kasan: CONFIG_KASAN_INLINE enabled [ 29.156220] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.163774] general protection fault: 0000 [#1] SMP KASAN [ 29.169288] Dumping ftrace buffer: [ 29.172798] (ftrace buffer empty) [ 29.176480] Modules linked in: [ 29.179645] CPU: 0 PID: 4118 Comm: syzkaller114737 Not tainted 4.16.0-rc4+ #258 [ 29.187071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.196408] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.201477] RSP: 0018:ffff8801c96afc78 EFLAGS: 00010206 [ 29.206809] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4 [ 29.214048] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.221287] RBP: ffff8801c96afc90 R08: 0000000000000000 R09: 1ffff100392d5f0b [ 29.228524] R10: ffff8801c96af820 R11: 0000000000000001 R12: ffff8801ce3477d2 [ 29.235770] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801c96afd08 [ 29.243016] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000086ca840 [ 29.251212] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 29.257065] CR2: 000000000201c0b0 CR3: 00000001c814b004 CR4: 00000000001606f0 [ 29.264306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.271555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.278794] Call Trace: [ 29.281357] smc_shutdown+0x3ed/0x540 [ 29.285132] SyS_shutdown+0x137/0x290 [ 29.288901] ? SyS_getsockopt+0x340/0x340 [ 29.293020] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.298529] ? do_fast_syscall_32+0x156/0xf9f [ 29.302994] ? SyS_getsockopt+0x340/0x340 [ 29.307109] do_fast_syscall_32+0x3ec/0xf9f [ 29.311401] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.315951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.320675] ? syscall_return_slowpath+0x550/0x550 [ 29.325572] ? syscall_return_slowpath+0x2ac/0x550 [ 29.330472] ? prepare_exit_to_usermode+0x350/0x350 [ 29.335465] ? sysret32_from_system_call+0x5/0x3c [ 29.340276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.345091] entry_SYSENTER_compat+0x70/0x7f [ 29.349468] RIP: 0023:0xf7fddc99 [ 29.352799] RSP: 002b:00000000fff0271c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 29.360651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.367889] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 29.375128] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.382375] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.389614] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.397005] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 5c 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 [ 29.416081] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801c96afc78 [ 29.422683] ---[ end trace f6d7179e9b184836 ]--- [ 29.427431] Kernel panic - not syncing: Fatal exception [ 29.433114] Dumping ftrace buffer: [ 29.436625] (ftrace buffer empty) [ 29.440314] Kernel Offset: disabled [ 29.443915] Rebooting in 86400 seconds..