[?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. [ 17.005815] audit: type=1400 audit(1520769922.383:6): avc: denied { map } for pid=4157 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 '10.128.0.34' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.333139] audit: type=1400 audit(1520769928.710:7): avc: denied { map } for pid=4171 comm="syzkaller065419" path="/root/syzkaller065419466" 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 [ 28.639298] kasan: CONFIG_KASAN_INLINE enabled [ 28.644031] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.651419] general protection fault: 0000 [#1] SMP KASAN [ 28.656939] Dumping ftrace buffer: [ 28.660452] (ftrace buffer empty) [ 28.664134] Modules linked in: [ 28.667301] CPU: 1 PID: 4171 Comm: syzkaller065419 Not tainted 4.16.0-rc4+ #259 [ 28.674718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.684059] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 28.689133] RSP: 0018:ffff8801c1f27c78 EFLAGS: 00010206 [ 28.694466] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4 [ 28.701706] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 28.708949] RBP: ffff8801c1f27c90 R08: 0000000000000000 R09: 1ffff100383e4f0b [ 28.716194] R10: ffff8801c1f27820 R11: 0000000000000001 R12: ffff8801bdec97d2 [ 28.723434] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801c1f27d08 [ 28.730681] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000009018840 [ 28.738878] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 28.744736] CR2: 00007f78f0a08000 CR3: 00000001bd0ed004 CR4: 00000000001606e0 [ 28.751980] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.759223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.766466] Call Trace: [ 28.769036] smc_shutdown+0x3ed/0x540 [ 28.772811] SyS_shutdown+0x137/0x290 [ 28.776582] ? SyS_getsockopt+0x340/0x340 [ 28.780703] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 28.786213] ? do_fast_syscall_32+0x156/0xf9f [ 28.790681] ? SyS_getsockopt+0x340/0x340 [ 28.794814] do_fast_syscall_32+0x3ec/0xf9f [ 28.799124] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.803680] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.808405] ? syscall_return_slowpath+0x550/0x550 [ 28.813303] ? syscall_return_slowpath+0x2ac/0x550 [ 28.818202] ? prepare_exit_to_usermode+0x350/0x350 [ 28.823187] ? sysret32_from_system_call+0x5/0x3c [ 28.828022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.832838] entry_SYSENTER_compat+0x70/0x7f [ 28.837213] RIP: 0023:0xf7f74c99 [ 28.840546] RSP: 002b:00000000ff974f6c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 28.848221] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 28.855460] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 28.862703] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.869943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.877183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.884432] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 5c 2f 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 [ 28.903502] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801c1f27c78 [ 28.910094] ---[ end trace ca82503ab42e20a3 ]--- [ 28.914855] Kernel panic - not syncing: Fatal exception [ 28.920633] Dumping ftrace buffer: [ 28.924150] (ftrace buffer empty) [ 28.927828] Kernel Offset: disabled [ 28.931428] Rebooting in 86400 seconds..