[?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. [ 18.517504] audit: type=1400 audit(1520904930.364:6): avc: denied { map } for pid=4114 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 '10.128.0.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.846189] audit: type=1400 audit(1520904936.692:7): avc: denied { map } for pid=4128 comm="syzkaller212695" path="/root/syzkaller212695761" 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 [ 30.176157] kasan: CONFIG_KASAN_INLINE enabled [ 30.180889] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.188277] general protection fault: 0000 [#1] SMP KASAN [ 30.193798] Dumping ftrace buffer: [ 30.197309] (ftrace buffer empty) [ 30.200996] Modules linked in: [ 30.204167] CPU: 0 PID: 4128 Comm: syzkaller212695 Not tainted 4.16.0-rc5+ #262 [ 30.211590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.220922] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.226001] RSP: 0018:ffff8801b9d47c78 EFLAGS: 00010206 [ 30.231340] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 30.238579] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.245817] RBP: ffff8801b9d47c90 R08: 0000000000000000 R09: 1ffff100373a8f0b [ 30.253062] R10: ffff8801b9d47820 R11: 0000000000000001 R12: ffff8801c9c837d2 [ 30.260301] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b9d47d08 [ 30.267542] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:000000000a02b840 [ 30.275734] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.281585] CR2: 00000000022b4f70 CR3: 00000001c5c03003 CR4: 00000000001606f0 [ 30.288825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.296064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.303305] Call Trace: [ 30.305869] smc_shutdown+0x3ed/0x540 [ 30.309650] SyS_shutdown+0x137/0x290 [ 30.313420] ? SyS_getsockopt+0x340/0x340 [ 30.317544] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.323050] ? do_fast_syscall_32+0x156/0xf9f [ 30.327515] ? SyS_getsockopt+0x340/0x340 [ 30.331632] do_fast_syscall_32+0x3ec/0xf9f [ 30.335924] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.340481] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.345989] ? syscall_return_slowpath+0x550/0x550 [ 30.350889] ? syscall_return_slowpath+0x2ac/0x550 [ 30.355792] ? sysret32_from_system_call+0x5/0x3c [ 30.360651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.365487] entry_SYSENTER_compat+0x70/0x7f [ 30.369879] RIP: 0023:0xf7f96c99 [ 30.373217] RSP: 002b:00000000ffbb703c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 30.382198] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 30.389448] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 30.396697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.403940] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.411181] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.418431] 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 [ 30.437528] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b9d47c78 [ 30.444275] ---[ end trace 6d10d6fd1d0ec8cf ]--- [ 30.449606] Kernel panic - not syncing: Fatal exception [ 30.455325] Dumping ftrace buffer: [ 30.458846] (ftrace buffer empty) [ 30.462528] Kernel Offset: disabled [ 30.466126] Rebooting in 86400 seconds..