[....] Starting enhanced syslogd: rsyslogd[ 13.991505] audit: type=1400 audit(1520539577.672:4): avc: denied { syslog } for pid=3643 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 '10.128.0.17' (ECDSA) to the list of known hosts. 2018/03/08 20:06:50 parsed 1 programs 2018/03/08 20:06:50 executed programs: 0 syzkaller login: [ 47.109579] IPVS: Creating netns size=2536 id=1 [ 47.130551] IPVS: Creating netns size=2536 id=2 [ 47.150887] IPVS: Creating netns size=2536 id=3 [ 47.171622] IPVS: Creating netns size=2536 id=4 [ 47.192112] IPVS: Creating netns size=2536 id=5 [ 47.213547] IPVS: Creating netns size=2536 id=6 [ 47.234462] IPVS: Creating netns size=2536 id=7 [ 47.255534] IPVS: Creating netns size=2536 id=8 [ 49.775974] ------------[ cut here ]------------ [ 49.780733] kernel BUG at net/packet/af_packet.c:3116! [ 49.785974] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.791303] Dumping ftrace buffer: [ 49.794815] (ftrace buffer empty) [ 49.798494] Modules linked in: [ 49.801767] CPU: 0 PID: 4431 Comm: syz-executor7 Not tainted 4.9.86-g00db063 #60 [ 49.809263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.818586] task: ffff8801d4ff8000 task.stack: ffff8801d4820000 [ 49.824619] RIP: 0010:[] [] packet_do_bind+0x96a/0xb60 [ 49.833195] RSP: 0018:ffff8801d4827c78 EFLAGS: 00010293 [ 49.838610] RAX: ffff8801d4ff8000 RBX: ffff8801d6a43300 RCX: ffffffff8356367a [ 49.845849] RDX: 0000000000000000 RSI: ffffffff83c18f80 RDI: ffffffff842003e0 [ 49.853087] RBP: ffff8801d4827ce0 R08: 1ffff1003a9ff11f R09: 0000000000000000 [ 49.860331] R10: 0000000000000000 R11: ffff8801d4ff8000 R12: 0000000000000000 [ 49.867567] R13: 0000000000000000 R14: 0000000000000300 R15: ffff8801d6a43a88 [ 49.874808] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7782b40 [ 49.883002] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 49.888852] CR2: 00000000f7722db0 CR3: 00000001c0cca000 CR4: 0000000000160670 [ 49.896091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.903329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.910563] Stack: [ 49.912682] ffffffff8356330d ffffea00075209c0 ffff8801d6a43a34 ffff8801d6a43a28 [ 49.920638] ffff8801d4827ce8 ffff8801d6a43a80 c6873501ee21b260 ffff8801d6a43970 [ 49.928602] ffff8801d4827dd0 0000000000000300 ffff8801d6a43300 0000000000000014 [ 49.936557] Call Trace: [ 49.939113] [] ? packet_do_bind+0x5fd/0xb60 [ 49.945051] [] packet_bind+0x141/0x1a0 [ 49.950558] [] SYSC_bind+0x162/0x280 [ 49.955889] [] ? move_addr_to_kernel.part.12+0x120/0x120 [ 49.962954] [] ? get_unused_fd_flags+0xd0/0xd0 [ 49.969153] [] ? fd_install+0x4d/0x60 [ 49.974569] [] ? compat_SyS_get_robust_list+0x300/0x300 [ 49.981547] [] ? SyS_socket+0x121/0x1b0 [ 49.987139] [] ? move_addr_to_kernel+0x50/0x50 [ 49.993339] [] SyS_bind+0x24/0x30 [ 49.998407] [] ? SyS_socketpair+0x510/0x510 [ 50.004346] [] do_fast_syscall_32+0x2f5/0x870 [ 50.010456] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.017091] [] entry_SYSENTER_compat+0x90/0xa2 [ 50.023287] 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 [ 50.049789] RIP [] packet_do_bind+0x96a/0xb60 [ 50.056020] RSP [ 50.059650] ---[ end trace 6643c666b4d712b0 ]--- [ 50.064373] Kernel panic - not syncing: Fatal exception [ 50.070063] Dumping ftrace buffer: [ 50.073570] (ftrace buffer empty) [ 50.077246] Kernel Offset: disabled [ 50.080841] Rebooting in 86400 seconds..