[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 17.364276] audit: type=1400 audit(1521366500.462:6): avc: denied { map } for pid=4211 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 '10.128.0.33' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.664317] audit: type=1400 audit(1521366506.761:7): avc: denied { map } for pid=4225 comm="syzkaller507866" path="/root/syzkaller507866030" 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 [ 29.152195] kasan: CONFIG_KASAN_INLINE enabled [ 29.157088] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.164638] general protection fault: 0000 [#1] SMP KASAN [ 29.170156] Dumping ftrace buffer: [ 29.173663] (ftrace buffer empty) [ 29.177342] Modules linked in: [ 29.180509] CPU: 0 PID: 4225 Comm: syzkaller507866 Not tainted 4.16.0-rc5+ #267 [ 29.187918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.197250] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.202325] RSP: 0018:ffff8801d299fc78 EFLAGS: 00010206 [ 29.207658] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 29.214898] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.222138] RBP: ffff8801d299fc90 R08: 0000000000000000 R09: 1ffff1003a533f0b [ 29.229377] R10: ffff8801d299f820 R11: 0000000000000001 R12: ffff8801b09727d2 [ 29.236625] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d299fd08 [ 29.243863] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000008870840 [ 29.252055] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 29.257902] CR2: 00000000013b7eb0 CR3: 00000001b1141004 CR4: 00000000001606f0 [ 29.265142] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.272381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.279618] Call Trace: [ 29.282179] smc_shutdown+0x3ed/0x540 [ 29.285951] SyS_shutdown+0x137/0x290 [ 29.289720] ? SyS_getsockopt+0x340/0x340 [ 29.293837] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.299342] ? do_fast_syscall_32+0x156/0xf9f [ 29.303808] ? SyS_getsockopt+0x340/0x340 [ 29.307930] do_fast_syscall_32+0x3ec/0xf9f [ 29.312222] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.316769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.321495] ? syscall_return_slowpath+0x550/0x550 [ 29.326393] ? syscall_return_slowpath+0x2ac/0x550 [ 29.331290] ? prepare_exit_to_usermode+0x350/0x350 [ 29.336278] ? sysret32_from_system_call+0x5/0x3c [ 29.341090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.345901] entry_SYSENTER_compat+0x70/0x7f [ 29.350276] RIP: 0023:0xf7f92c99 [ 29.353608] RSP: 002b:00000000ffb6f45c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 29.361285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.368522] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 29.375759] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.383002] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.390241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.397488] 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 [ 29.416554] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801d299fc78 [ 29.423150] ---[ end trace c7d364b82053e990 ]--- [ 29.427886] Kernel panic - not syncing: Fatal exception [ 29.433601] Dumping ftrace buffer: [ 29.437113] (ftrace buffer empty) [ 29.440793] Kernel Offset: disabled [ 29.444390] Rebooting in 86400 seconds..