INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?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 'ci-upstream-net-kasan-gce-1,10.128.15.213' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 16.567259] dev_remove_pack: ffff8801d22ffa40 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 16.700285] dev_remove_pack: ffff8801c10ff4c0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 16.877821] dev_remove_pack: ffff8801d239e980 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 17.399354] dev_remove_pack: ffff8801d19827c0 not found [ 17.425758] dev_remove_pack: ffff8801d1121100 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 18.477332] dev_remove_pack: ffff8801d0192ac0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 19.749316] dev_remove_pack: ffff8801cf4692c0 not found [ 19.770597] dev_remove_pack: ffff8801b704ab40 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.164419] dev_remove_pack: ffff8801c0d93540 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.655725] dev_remove_pack: ffff8801ceb94880 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.891461] dev_remove_pack: ffff8801b51a5600 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.120675] dev_remove_pack: ffff8801cdfaab80 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.683517] dev_remove_pack: ffff8801b4e38980 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.111332] dev_remove_pack: ffff8801cd20dc40 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.272406] dev_remove_pack: ffff8801b331d600 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.592693] dev_remove_pack: ffff8801ccfdb600 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.704599] dev_remove_pack: ffff8801b21359c0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.754711] dev_remove_pack: ffff8801cc3d98c0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.928348] dev_remove_pack: ffff8801b0b63c00 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.044270] dev_remove_pack: ffff8801b0b63380 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.294299] dev_remove_pack: ffff8801aee29300 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.438406] dev_remove_pack: ffff8801cb8b2d00 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.871810] dev_remove_pack: ffff8801aea43000 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.991332] dev_remove_pack: ffff8801ad867b40 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.158412] dev_remove_pack: ffff8801cb008c80 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.280584] dev_remove_pack: ffff8801adb67140 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.441057] dev_remove_pack: ffff8801cacc7c40 not found executing program executing program executing program executing program executing program executing program executing program executing program [ 25.533832] dev_remove_pack: ffff8801cb2a3dc0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.893739] dev_remove_pack: ffff8801caefec40 not found executing program executing program executing program executing program [ 25.974074] dev_remove_pack: ffff8801ad610fc0 not found executing program executing program executing program executing program executing program executing program [ 26.015801] dev_remove_pack: ffff8801cad3cd00 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.269199] dev_remove_pack: ffff8801ab0a94c0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.527410] dev_remove_pack: ffff8801ab6b7b80 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.808613] dev_remove_pack: ffff8801ca6c8840 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.076397] dev_remove_pack: ffff8801ca770bc0 not found executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.528124] ------------[ cut here ]------------ [ 27.532976] kernel BUG at net/packet/af_packet.c:1521! [ 27.538269] invalid opcode: 0000 [#1] SMP KASAN [ 27.542916] Dumping ftrace buffer: [ 27.546433] (ftrace buffer empty) [ 27.550119] Modules linked in: [ 27.553286] CPU: 0 PID: 13132 Comm: syzkaller086204 Not tainted 4.13.0-rc7+ #35 [ 27.560707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.570032] task: ffff8801ca2dc380 task.stack: ffff8801ca3c0000 [ 27.576064] RIP: 0010:__unregister_prot_hook+0x139/0x280 [ 27.581478] RSP: 0018:ffff8801ca3c7700 EFLAGS: 00010297 [ 27.586815] RAX: ffff8801ca2dc380 RBX: ffff8801c9dc2500 RCX: 0000000000000000 [ 27.594053] RDX: 0000000000000000 RSI: 00000000ddd3d9e9 RDI: ffff8801ca2de388 [ 27.601291] RBP: ffff8801ca3c7740 R08: 0000000000000002 R09: 0000000000000004 [ 27.608528] R10: ffff8801ca3c75b8 R11: ffffffff843ecec7 R12: ffff8801ca2de380 [ 27.615795] R13: ffff8801c9dc2500 R14: 0000000000000000 R15: ffff8801ca3c7d70 [ 27.623036] FS: 00007f478da17700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 27.631228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.637080] CR2: 00007f478da16e78 CR3: 00000001cf2ce000 CR4: 00000000001406f0 [ 27.644322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.651568] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.658816] Call Trace: [ 27.661380] packet_set_ring+0xe7c/0x1b70 [ 27.665503] ? packet_poll+0x5c0/0x5c0 [ 27.669363] ? __might_fault+0x110/0x1d0 [ 27.673394] ? lock_downgrade+0x990/0x990 [ 27.677511] ? lock_release+0xa40/0xa40 [ 27.681454] ? check_same_owner+0x320/0x320 [ 27.685746] ? __check_object_size+0x25d/0x4f0 [ 27.690301] ? __might_sleep+0x95/0x190 [ 27.694248] ? kasan_check_write+0x14/0x20 [ 27.698463] ? _copy_from_user+0x99/0x110 [ 27.702582] packet_setsockopt+0x6cd/0x1e80 [ 27.706963] ? fanout_add+0x1190/0x1190 [ 27.710907] ? find_held_lock+0x35/0x1d0 [ 27.714943] ? __fget+0x333/0x570 [ 27.718364] ? lock_downgrade+0x990/0x990 [ 27.722480] ? lock_release+0xa40/0xa40 [ 27.726422] ? __lock_is_held+0xb6/0x140 [ 27.730462] ? __fget+0x35c/0x570 [ 27.733886] ? iterate_fd+0x3f0/0x3f0 [ 27.737663] ? find_held_lock+0x35/0x1d0 [ 27.741698] ? kprobe_flush_task+0x1a3/0x5d0 [ 27.746074] ? lock_downgrade+0x990/0x990 [ 27.750192] ? do_raw_spin_trylock+0x190/0x190 [ 27.754753] ? sock_has_perm+0x29c/0x400 [ 27.758784] ? __fget_light+0x297/0x380 [ 27.762728] ? selinux_tun_dev_create+0xc0/0xc0 [ 27.767366] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.772439] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 27.778127] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 27.783388] ? __free_pages+0xd8/0x150 [ 27.787247] ? selinux_socket_setsockopt+0x64/0x80 [ 27.792153] SyS_setsockopt+0x189/0x360 [ 27.796097] ? SyS_setsockopt+0x189/0x360 [ 27.800236] ? SyS_recv+0x40/0x40 [ 27.803667] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 27.808485] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.813479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.818205] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 27.822928] RIP: 0033:0x445fb9 [ 27.826087] RSP: 002b:00007f478da16dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 27.833763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445fb9 [ 27.841011] RDX: 0000000000000005 RSI: 0000000000000107 RDI: 000000000000010a [ 27.848249] RBP: 0000000000000086 R08: 000000000000047e R09: 00007f478da17700 [ 27.855493] R10: 0000000020001000 R11: 0000000000000202 R12: 0000000000000000 [ 27.862732] R13: 00007fff519516ff R14: 00007f478da179c0 R15: 0000000000000000 [ 27.869986] Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4e 01 00 00 4d 3b 6c c4 28 74 16 83 c3 01 e8 a1 47 2f fd 44 39 f3 75 cd e8 97 47 2f fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 86 47 2f fd 49 8d 7c dc [ 27.889079] RIP: __unregister_prot_hook+0x139/0x280 RSP: ffff8801ca3c7700 [ 27.896068] ---[ end trace c4eeba8fd1b8732a ]--- [ 27.900802] Kernel panic - not syncing: Fatal exception [ 27.906572] Dumping ftrace buffer: [ 27.910091] (ftrace buffer empty) [ 27.913838] Kernel Offset: disabled [ 27.917447] Rebooting in 86400 seconds..