[?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. [ 18.960070] audit: type=1400 audit(1521394387.432:6): avc: denied { map } for pid=4218 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 '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.345605] audit: type=1400 audit(1521394393.818:7): avc: denied { map } for pid=4232 comm="syzkaller303708" path="/root/syzkaller303708255" 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 [ 30.688112] kasan: CONFIG_KASAN_INLINE enabled [ 30.692795] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.700169] general protection fault: 0000 [#1] SMP KASAN [ 30.705686] Dumping ftrace buffer: [ 30.709197] (ftrace buffer empty) [ 30.712878] Modules linked in: [ 30.716041] CPU: 1 PID: 4232 Comm: syzkaller303708 Not tainted 4.16.0-rc5+ #357 [ 30.723452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.732783] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.737851] RSP: 0018:ffff8801accc7cc8 EFLAGS: 00010206 [ 30.743183] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 30.750423] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.757669] RBP: ffff8801accc7ce0 R08: 0000000000000000 R09: 1ffff10035998f15 [ 30.764907] R10: ffff8801accc7870 R11: 0000000000000001 R12: ffff8801b08e57d2 [ 30.772171] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801accc7d58 [ 30.779411] FS: 000000000119e880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 30.787603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.793454] CR2: 0000000001368a60 CR3: 00000001b75e5001 CR4: 00000000001606e0 [ 30.800696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.807932] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.815172] Call Trace: [ 30.817732] smc_shutdown+0x3ed/0x540 [ 30.821507] SyS_shutdown+0x137/0x290 [ 30.825281] ? SyS_getsockopt+0x340/0x340 [ 30.829404] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.834911] ? do_syscall_64+0xb7/0x940 [ 30.838855] ? SyS_getsockopt+0x340/0x340 [ 30.842975] do_syscall_64+0x281/0x940 [ 30.846830] ? __do_page_fault+0xc90/0xc90 [ 30.851040] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.855767] ? syscall_return_slowpath+0x550/0x550 [ 30.860665] ? syscall_return_slowpath+0x2ac/0x550 [ 30.865562] ? prepare_exit_to_usermode+0x350/0x350 [ 30.870549] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 30.875884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.880697] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.885856] RIP: 0033:0x43fcb9 [ 30.889017] RSP: 002b:00007ffc6de97be8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 30.896697] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 30.903935] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003 [ 30.911174] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 30.918412] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0 [ 30.925648] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000 [ 30.932894] 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 [ 30.951972] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801accc7cc8 [ 30.958595] ---[ end trace 617ef199bdb914d8 ]--- [ 30.963351] Kernel panic - not syncing: Fatal exception [ 30.969101] Dumping ftrace buffer: [ 30.972614] (ftrace buffer empty) [ 30.976291] Kernel Offset: disabled [ 30.979886] Rebooting in 86400 seconds..