[?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. [ 18.004681] audit: type=1400 audit(1520228341.247:6): 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 '10.128.0.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.287691] audit: type=1400 audit(1520228347.530:7): avc: denied { map } for pid=4235 comm="syzkaller280997" path="/root/syzkaller280997324" 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 [ 29.664146] kasan: CONFIG_KASAN_INLINE enabled [ 29.668842] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.676221] general protection fault: 0000 [#1] SMP KASAN [ 29.681733] Dumping ftrace buffer: [ 29.685244] (ftrace buffer empty) [ 29.688924] Modules linked in: [ 29.692102] CPU: 0 PID: 4235 Comm: syzkaller280997 Not tainted 4.16.0-rc3+ #250 [ 29.699516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.708847] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.713914] RSP: 0018:ffff8801b10a7c78 EFLAGS: 00010206 [ 29.719243] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fc6f4 [ 29.726482] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.733720] RBP: ffff8801b10a7c90 R08: 0000000000000000 R09: 1ffff10036214f0b [ 29.740959] R10: ffff8801b10a7820 R11: 0000000000000001 R12: ffff8801b24dc7d2 [ 29.748197] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b10a7d08 [ 29.755438] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009781840 [ 29.763637] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 29.769484] CR2: 00007fa3b7105000 CR3: 00000001b8a96004 CR4: 00000000001606f0 [ 29.776726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.783965] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.791203] Call Trace: [ 29.793767] smc_shutdown+0x3ed/0x540 [ 29.797542] SyS_shutdown+0x137/0x290 [ 29.801327] ? SyS_getsockopt+0x340/0x340 [ 29.805447] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.810953] ? do_fast_syscall_32+0x156/0xf9f [ 29.815416] ? SyS_getsockopt+0x340/0x340 [ 29.819539] do_fast_syscall_32+0x3ec/0xf9f [ 29.823831] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.828381] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.833104] ? syscall_return_slowpath+0x550/0x550 [ 29.838004] ? syscall_return_slowpath+0x2ac/0x550 [ 29.842902] ? prepare_exit_to_usermode+0x350/0x350 [ 29.847887] ? sysret32_from_system_call+0x5/0x3c [ 29.852698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.857534] entry_SYSENTER_compat+0x70/0x7f [ 29.861910] RIP: 0023:0xf7fc5c99 [ 29.865240] RSP: 002b:00000000fff85d9c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 29.872915] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.880153] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 29.887392] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.894628] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.901866] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.909121] 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 [ 29.928187] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b10a7c78 [ 29.934828] ---[ end trace 4e93510491315881 ]--- [ 29.939569] Kernel panic - not syncing: Fatal exception [ 29.945288] Dumping ftrace buffer: [ 29.948802] (ftrace buffer empty) [ 29.952486] Kernel Offset: disabled [ 29.956087] Rebooting in 86400 seconds..