[?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. [ 18.775535] audit: type=1400 audit(1519811736.994:6): avc: denied { map } for pid=4234 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 '10.128.0.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.096989] audit: type=1400 audit(1519811743.315:7): avc: denied { map } for pid=4247 comm="syzkaller128889" path="/root/syzkaller128889395" 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 [ 30.175113] kasan: CONFIG_KASAN_INLINE enabled [ 30.179776] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.187150] general protection fault: 0000 [#1] SMP KASAN [ 30.192666] Dumping ftrace buffer: [ 30.196176] (ftrace buffer empty) [ 30.199858] Modules linked in: [ 30.203027] CPU: 0 PID: 4247 Comm: syzkaller128889 Not tainted 4.16.0-rc3+ #242 [ 30.210439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.219766] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.224836] RSP: 0018:ffff8801b07e7c78 EFLAGS: 00010206 [ 30.230165] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fb6f4 [ 30.237404] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.244643] RBP: ffff8801b07e7c90 R08: 0000000000000000 R09: 1ffff100360fcf0b [ 30.251880] R10: ffff8801b07e7820 R11: 0000000000000001 R12: ffff8801b54b67d2 [ 30.259117] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b07e7d08 [ 30.266354] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009601840 [ 30.274546] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.280395] CR2: 0000000002196b78 CR3: 00000001b40c9005 CR4: 00000000001606f0 [ 30.287634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.294871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.302107] Call Trace: [ 30.304669] smc_shutdown+0x3ed/0x540 [ 30.308440] SyS_shutdown+0x137/0x290 [ 30.312208] ? SyS_getsockopt+0x340/0x340 [ 30.316328] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.321834] ? do_fast_syscall_32+0x156/0xf9f [ 30.326296] ? SyS_getsockopt+0x340/0x340 [ 30.330412] do_fast_syscall_32+0x3ec/0xf9f [ 30.334705] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.339254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.343977] ? syscall_return_slowpath+0x550/0x550 [ 30.348875] ? syscall_return_slowpath+0x2ac/0x550 [ 30.353771] ? prepare_exit_to_usermode+0x350/0x350 [ 30.358760] ? sysret32_from_system_call+0x5/0x3c [ 30.363572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.368385] entry_SYSENTER_compat+0x70/0x7f [ 30.372761] RIP: 0023:0xf7f4bc99 [ 30.376100] RSP: 002b:00000000ffe66c2c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 30.383775] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 30.391018] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 30.398257] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.405493] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.412741] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.419991] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 4c 3d 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 [ 30.439064] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b07e7c78 [ 30.445688] ---[ end trace 34e6ea5b487d246b ]--- [ 30.450433] Kernel panic - not syncing: Fatal exception [ 30.456105] Dumping ftrace buffer: [ 30.459613] (ftrace buffer empty) [ 30.463291] Kernel Offset: disabled [ 30.466887] Rebooting in 86400 seconds..