[?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. [ 16.973592] audit: type=1400 audit(1520219909.734:6): avc: denied { map } for pid=4016 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 '10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.290232] audit: type=1400 audit(1520219916.051:7): avc: denied { map } for pid=4030 comm="syzkaller888734" path="/root/syzkaller888734425" 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 [ 28.640147] kasan: CONFIG_KASAN_INLINE enabled [ 28.644863] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.652241] general protection fault: 0000 [#1] SMP KASAN [ 28.657758] Dumping ftrace buffer: [ 28.661270] (ftrace buffer empty) [ 28.664952] Modules linked in: [ 28.668119] CPU: 1 PID: 4030 Comm: syzkaller888734 Not tainted 4.16.0-rc3+ #250 [ 28.675532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.684865] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 28.689936] RSP: 0018:ffff8801d36a7c78 EFLAGS: 00010206 [ 28.695270] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fc6f4 [ 28.702509] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 28.709749] RBP: ffff8801d36a7c90 R08: 0000000000000000 R09: 1ffff1003a6d4f0b [ 28.716989] R10: ffff8801d36a7820 R11: 0000000000000001 R12: ffff8801b9fed7d2 [ 28.724232] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d36a7d08 [ 28.731474] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000008d4b840 [ 28.739671] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 28.745522] CR2: 000000000136b6b0 CR3: 00000001d0014004 CR4: 00000000001606e0 [ 28.752766] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.760007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.767248] Call Trace: [ 28.769818] smc_shutdown+0x3ed/0x540 [ 28.773591] SyS_shutdown+0x137/0x290 [ 28.777371] ? SyS_getsockopt+0x340/0x340 [ 28.781493] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 28.787011] ? do_fast_syscall_32+0x156/0xf9f [ 28.791477] ? SyS_getsockopt+0x340/0x340 [ 28.795597] do_fast_syscall_32+0x3ec/0xf9f [ 28.799890] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.804439] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.809163] ? syscall_return_slowpath+0x550/0x550 [ 28.814061] ? syscall_return_slowpath+0x2ac/0x550 [ 28.818963] ? prepare_exit_to_usermode+0x350/0x350 [ 28.824284] ? sysret32_from_system_call+0x5/0x3c [ 28.829104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.833919] entry_SYSENTER_compat+0x70/0x7f [ 28.838313] RIP: 0023:0xf7f52c99 [ 28.841648] RSP: 002b:00000000ffa6417c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 28.849326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 28.856570] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 28.863813] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.871056] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.878294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.885544] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 3c 3f 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 [ 28.904620] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801d36a7c78 [ 28.911260] ---[ end trace bb8cf7a315cd8076 ]--- [ 28.916014] Kernel panic - not syncing: Fatal exception [ 28.921710] Dumping ftrace buffer: [ 28.925222] (ftrace buffer empty) [ 28.928903] Kernel Offset: disabled [ 28.932504] Rebooting in 86400 seconds..