[?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. [ 18.859128] audit: type=1400 audit(1521075791.770:6): avc: denied { map } for pid=4225 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 '10.128.10.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.720308] audit: type=1400 audit(1521075800.632:7): avc: denied { map } for pid=4240 comm="syzkaller417940" path="/root/syzkaller417940120" 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 [ 32.735184] kasan: CONFIG_KASAN_INLINE enabled [ 32.739964] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.747539] general protection fault: 0000 [#1] SMP KASAN [ 32.753076] Dumping ftrace buffer: [ 32.756617] (ftrace buffer empty) [ 32.760318] Modules linked in: [ 32.763501] CPU: 1 PID: 4240 Comm: syzkaller417940 Not tainted 4.16.0-rc5+ #353 [ 32.771129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.780486] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 32.785575] RSP: 0018:ffff8801b06f7cc8 EFLAGS: 00010206 [ 32.791235] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fe6f4 [ 32.798480] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 32.805726] RBP: ffff8801b06f7ce0 R08: 0000000000000000 R09: 1ffff100360def15 [ 32.812980] R10: ffff8801b06f7870 R11: 0000000000000001 R12: ffff8801b2eaf7d2 [ 32.820234] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b06f7d58 [ 32.827489] FS: 0000000001d70880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 32.835689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.841546] CR2: 00007ffa1aecb000 CR3: 00000001b08b3002 CR4: 00000000001606e0 [ 32.848964] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.856208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.863449] Call Trace: [ 32.866012] smc_shutdown+0x3ed/0x540 [ 32.869787] SyS_shutdown+0x137/0x290 [ 32.873556] ? SyS_getsockopt+0x340/0x340 [ 32.877689] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 32.883210] ? do_syscall_64+0xb7/0x940 [ 32.887179] ? SyS_getsockopt+0x340/0x340 [ 32.891299] do_syscall_64+0x281/0x940 [ 32.895155] ? __do_page_fault+0xc90/0xc90 [ 32.899360] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.904088] ? syscall_return_slowpath+0x550/0x550 [ 32.908992] ? syscall_return_slowpath+0x2ac/0x550 [ 32.913893] ? prepare_exit_to_usermode+0x350/0x350 [ 32.918883] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 32.924219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.929037] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.934206] RIP: 0033:0x43fce9 [ 32.937378] RSP: 002b:00007ffc49fcf4a8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 32.945062] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fce9 [ 32.952311] RDX: 000000000043fce9 RSI: 0000000000000000 RDI: 0000000000000003 [ 32.959551] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 32.966791] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401610 [ 32.974032] R13: 00000000004016a0 R14: 0000000000000000 R15: 0000000000000000 [ 32.981803] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 ac 30 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 [ 33.000876] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b06f7cc8 [ 33.007496] ---[ end trace 665ca248f08d8dde ]--- [ 33.012250] Kernel panic - not syncing: Fatal exception [ 33.017963] Dumping ftrace buffer: [ 33.021481] (ftrace buffer empty) [ 33.025173] Kernel Offset: disabled [ 33.028796] Rebooting in 86400 seconds..