[....] Starting enhanced syslogd: rsyslogd[ 16.087210] audit: type=1400 audit(1520691102.985:4): avc: denied { syslog } for pid=3645 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.409216] IPVS: Creating netns size=2536 id=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.431698] IPVS: Creating netns size=2536 id=2 [ 53.443153] IPVS: Creating netns size=2536 id=3 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.464947] IPVS: Creating netns size=2536 id=4 [ 53.499586] IPVS: Creating netns size=2536 id=5 [ 53.511178] IPVS: Creating netns size=2536 id=6 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.534023] IPVS: Creating netns size=2536 id=7 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.567211] IPVS: Creating netns size=2536 id=8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 56.048481] ------------[ cut here ]------------ [ 56.053248] kernel BUG at net/packet/af_packet.c:3116! [ 56.058499] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 56.063837] Dumping ftrace buffer: [ 56.067441] (ftrace buffer empty) [ 56.071130] Modules linked in: [ 56.074434] CPU: 0 PID: 3838 Comm: syzkaller474995 Not tainted 4.9.86-g00db063 #52 [ 56.082125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.091455] task: ffff8801c6dd6000 task.stack: ffff8801d7270000 executing program executing program executing program executing program executing program executing program executing program executing program [ 56.097503] RIP: 0010:[] [] packet_do_bind+0x96a/0xb60 [ 56.108914] RSP: 0018:ffff8801d7277c88 EFLAGS: 00010293 [ 56.114611] RAX: ffff8801c6dd6000 RBX: ffff8801c6f07700 RCX: ffffffff8356367a [ 56.121855] RDX: 0000000000000000 RSI: ffffffff83c18f80 RDI: ffffffff842003e0 [ 56.129117] RBP: ffff8801d7277cf0 R08: 1ffff10038dbad1f R09: 0000000000000000 [ 56.136549] R10: 0000000000000000 R11: ffff8801c6dd6000 R12: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program [ 56.143793] R13: 0000000000000000 R14: 0000000000000300 R15: ffff8801c6f07e88 [ 56.151050] FS: 00007f29de1c6700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 56.159258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.165112] CR2: 00007f29de0ffe78 CR3: 00000001d8086000 CR4: 0000000000160670 [ 56.172456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.179793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.187035] Stack: [ 56.189158] ffffffff8356330d ffffea00075c9dc0 ffff8801c6f07e34 ffff8801c6f07e28 executing program executing program executing program [ 56.197133] ffff8801d7277cf8 ffff8801c6f07e80 2c212401a028024b ffff8801c6f07d70 [ 56.205146] ffff8801d7277de0 0000000000000300 ffff8801c6f07700 0000000000000014 [ 56.213228] Call Trace: [ 56.215820] [] ? packet_do_bind+0x5fd/0xb60 [ 56.221783] [] packet_bind+0x141/0x1a0 [ 56.227381] [] SYSC_bind+0x162/0x280 [ 56.232759] [] ? move_addr_to_kernel.part.12+0x120/0x120 [ 56.239833] [] ? get_unused_fd_flags+0xd0/0xd0 [ 56.246041] [] ? fd_install+0x4d/0x60 [ 56.251554] [] ? do_futex+0x15c0/0x15c0 [ 56.257168] [] ? SyS_socket+0x121/0x1b0 [ 56.262868] [] ? move_addr_to_kernel+0x50/0x50 [ 56.269083] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 56.275991] [] SyS_bind+0x24/0x30 [ 56.281595] [] ? SyS_socketpair+0x510/0x510 [ 56.287543] [] do_syscall_64+0x1a4/0x490 [ 56.293231] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.300330] Code: c0 74 08 3c 01 0f 8e b3 01 00 00 66 44 89 b3 80 07 00 00 48 c7 83 88 07 00 00 00 00 00 00 45 31 ff e9 7c fa ff ff e8 66 7d e0 fd <0f> 0b e8 5f 7d e0 fd 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 [ 56.327175] RIP [] packet_do_bind+0x96a/0xb60 [ 56.333418] RSP [ 56.337172] ---[ end trace 9959d8f80fd7cad8 ]--- [ 56.341934] Kernel panic - not syncing: Fatal exception [ 56.347688] Dumping ftrace buffer: [ 56.351210] (ftrace buffer empty) [ 56.354892] Kernel Offset: disabled [ 56.358491] Rebooting in 86400 seconds..