[?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. [ 17.574645] audit: type=1400 audit(1521260996.178:6): 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 '10.128.0.30' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.849610] audit: type=1400 audit(1521261002.453:7): avc: denied { map } for pid=4226 comm="syzkaller670788" path="/root/syzkaller670788761" 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 [ 29.152159] kasan: CONFIG_KASAN_INLINE enabled [ 29.156861] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.164410] general protection fault: 0000 [#1] SMP KASAN [ 29.169934] Dumping ftrace buffer: [ 29.173445] (ftrace buffer empty) [ 29.177124] Modules linked in: [ 29.180295] CPU: 0 PID: 4226 Comm: syzkaller670788 Not tainted 4.16.0-rc5+ #267 [ 29.187707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.197038] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.202109] RSP: 0018:ffff8801cbc77c78 EFLAGS: 00010206 [ 29.207442] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 29.214679] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.221916] RBP: ffff8801cbc77c90 R08: 0000000000000000 R09: 1ffff1003978ef0b [ 29.229154] R10: ffff8801cbc77820 R11: 0000000000000001 R12: ffff8801b0a007d2 [ 29.236392] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801cbc77d08 [ 29.243634] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000008687840 [ 29.251827] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 29.257676] CR2: 0000000001d59450 CR3: 00000001b0581005 CR4: 00000000001606f0 [ 29.264918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.272162] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.279399] Call Trace: [ 29.281958] smc_shutdown+0x3ed/0x540 [ 29.285730] SyS_shutdown+0x137/0x290 [ 29.289498] ? SyS_getsockopt+0x340/0x340 [ 29.293617] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.299123] ? do_fast_syscall_32+0x156/0xf9f [ 29.303594] ? SyS_getsockopt+0x340/0x340 [ 29.307710] do_fast_syscall_32+0x3ec/0xf9f [ 29.312004] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.316562] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.322066] ? syscall_return_slowpath+0x550/0x550 [ 29.326967] ? syscall_return_slowpath+0x2ac/0x550 [ 29.331870] ? sysret32_from_system_call+0x5/0x3c [ 29.336683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.341497] entry_SYSENTER_compat+0x70/0x7f [ 29.345874] RIP: 0023:0xf7ff0c99 [ 29.349206] RSP: 002b:00000000ffe40f9c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 29.356882] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.364119] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 29.371356] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.378595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.385833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.393084] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 ac 20 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 [ 29.412150] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801cbc77c78 [ 29.418803] ---[ end trace 6eb00ec6792f57cd ]--- [ 29.423553] Kernel panic - not syncing: Fatal exception [ 29.429345] Dumping ftrace buffer: [ 29.432863] (ftrace buffer empty) [ 29.436540] Kernel Offset: disabled [ 29.440134] Rebooting in 86400 seconds..