[?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. [ 18.426943] audit: type=1400 audit(1521160928.025:6): avc: denied { map } for pid=4215 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 '10.128.0.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.811330] audit: type=1400 audit(1521160934.410:7): avc: denied { map } for pid=4229 comm="syzkaller441553" path="/root/syzkaller441553942" 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 [ 30.175159] kasan: CONFIG_KASAN_INLINE enabled [ 30.179876] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.187250] general protection fault: 0000 [#1] SMP KASAN [ 30.192766] Dumping ftrace buffer: [ 30.196276] (ftrace buffer empty) [ 30.199956] Modules linked in: [ 30.203124] CPU: 1 PID: 4229 Comm: syzkaller441553 Not tainted 4.16.0-rc5+ #355 [ 30.210537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.219867] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.224936] RSP: 0018:ffff8801b1257cc8 EFLAGS: 00010206 [ 30.230267] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 30.237507] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.244744] RBP: ffff8801b1257ce0 R08: 0000000000000000 R09: 1ffff1003624af15 [ 30.251986] R10: ffff8801b1257870 R11: 0000000000000001 R12: ffff8801af4be7d2 [ 30.259232] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b1257d58 [ 30.266477] FS: 000000000261e880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 30.274686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.280537] CR2: 0000000001d76220 CR3: 00000001a8b04003 CR4: 00000000001606e0 [ 30.287778] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.295021] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.302265] Call Trace: [ 30.304832] smc_shutdown+0x3ed/0x540 [ 30.308609] SyS_shutdown+0x137/0x290 [ 30.312384] ? SyS_getsockopt+0x340/0x340 [ 30.316507] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.322016] ? do_syscall_64+0xb7/0x940 [ 30.325963] ? SyS_getsockopt+0x340/0x340 [ 30.330086] do_syscall_64+0x281/0x940 [ 30.333957] ? __do_page_fault+0xc90/0xc90 [ 30.338170] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.343679] ? syscall_return_slowpath+0x550/0x550 [ 30.348583] ? syscall_return_slowpath+0x2ac/0x550 [ 30.353485] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 30.358821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.363642] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.368803] RIP: 0033:0x43fcb9 [ 30.371967] RSP: 002b:00007ffd51f31968 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 30.379643] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 30.386880] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003 [ 30.394119] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 30.401359] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0 [ 30.408596] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000 [ 30.415843] 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 [ 30.434910] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b1257cc8 [ 30.441522] ---[ end trace 53c5f1dea068f190 ]--- [ 30.446276] Kernel panic - not syncing: Fatal exception [ 30.451990] Dumping ftrace buffer: [ 30.455504] (ftrace buffer empty) [ 30.459184] Kernel Offset: disabled [ 30.462778] Rebooting in 86400 seconds..