[?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. [ 18.981171] audit: type=1400 audit(1519820375.794:6): avc: denied { map } for pid=4221 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 '10.128.0.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.254235] audit: type=1400 audit(1519820382.067:7): avc: denied { map } for pid=4234 comm="syzkaller084886" path="/root/syzkaller084886289" 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 [ 30.688122] kasan: CONFIG_KASAN_INLINE enabled [ 30.692821] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.700356] general protection fault: 0000 [#1] SMP KASAN [ 30.705866] Dumping ftrace buffer: [ 30.709381] (ftrace buffer empty) [ 30.713060] Modules linked in: [ 30.716234] CPU: 1 PID: 4234 Comm: syzkaller084886 Not tainted 4.16.0-rc3+ #242 [ 30.723649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.732982] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.738054] RSP: 0018:ffff8801ca43fc78 EFLAGS: 00010206 [ 30.743388] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fb6f4 [ 30.750627] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.758414] RBP: ffff8801ca43fc90 R08: 0000000000000000 R09: 1ffff10039487f0b [ 30.765657] R10: ffff8801ca43f820 R11: 0000000000000001 R12: ffff8801b14097d2 [ 30.772898] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801ca43fd08 [ 30.780141] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000083b6840 [ 30.788339] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.794190] CR2: 00007fea8301f000 CR3: 00000001b140c003 CR4: 00000000001606e0 [ 30.801434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.808674] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.815913] Call Trace: [ 30.818476] smc_shutdown+0x3ed/0x540 [ 30.822273] SyS_shutdown+0x137/0x290 [ 30.826045] ? SyS_getsockopt+0x340/0x340 [ 30.830170] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.835680] ? do_fast_syscall_32+0x156/0xf9f [ 30.840146] ? SyS_getsockopt+0x340/0x340 [ 30.844266] do_fast_syscall_32+0x3ec/0xf9f [ 30.848564] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.853119] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.858634] ? syscall_return_slowpath+0x550/0x550 [ 30.863534] ? syscall_return_slowpath+0x2ac/0x550 [ 30.868439] ? sysret32_from_system_call+0x5/0x3c [ 30.873254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.878069] entry_SYSENTER_compat+0x70/0x7f [ 30.882449] RIP: 0023:0xf7f56c99 [ 30.885781] RSP: 002b:00000000ffb8dc4c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 30.893460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 30.900700] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 30.907941] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.915184] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.922423] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.929669] 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 [ 30.948738] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801ca43fc78 [ 30.955365] ---[ end trace cad664db47652000 ]--- [ 30.960117] Kernel panic - not syncing: Fatal exception [ 30.965835] Dumping ftrace buffer: [ 30.969365] (ftrace buffer empty) [ 30.973049] Kernel Offset: disabled [ 30.976649] Rebooting in 86400 seconds..