[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 62.181806][ T26] audit: type=1800 audit(1559262339.281:25): pid=8839 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 62.208243][ T26] audit: type=1800 audit(1559262339.281:26): pid=8839 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 62.251131][ T26] audit: type=1800 audit(1559262339.281:27): pid=8839 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.0.27' (ECDSA) to the list of known hosts. 2019/05/31 00:38:25 parsed 1 programs 2019/05/31 00:38:27 executed programs: 0 syzkaller login: [ 830.651748][ T9009] IPVS: ftp: loaded support on port[0] = 21 [ 830.717661][ T9009] chnl_net:caif_netlink_parms(): no params data found [ 830.745931][ T9009] bridge0: port 1(bridge_slave_0) entered blocking state [ 830.754692][ T9009] bridge0: port 1(bridge_slave_0) entered disabled state [ 830.762767][ T9009] device bridge_slave_0 entered promiscuous mode [ 830.771227][ T9009] bridge0: port 2(bridge_slave_1) entered blocking state [ 830.778558][ T9009] bridge0: port 2(bridge_slave_1) entered disabled state [ 830.786496][ T9009] device bridge_slave_1 entered promiscuous mode [ 830.803841][ T9009] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 830.814203][ T9009] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 830.833902][ T9009] team0: Port device team_slave_0 added [ 830.841185][ T9009] team0: Port device team_slave_1 added [ 830.908317][ T9009] device hsr_slave_0 entered promiscuous mode [ 830.956545][ T9009] device hsr_slave_1 entered promiscuous mode [ 831.025178][ T9009] bridge0: port 2(bridge_slave_1) entered blocking state [ 831.032455][ T9009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 831.040975][ T9009] bridge0: port 1(bridge_slave_0) entered blocking state [ 831.048080][ T9009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 831.083260][ T9009] 8021q: adding VLAN 0 to HW filter on device bond0 [ 831.094664][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 831.115212][ T2843] bridge0: port 1(bridge_slave_0) entered disabled state [ 831.123343][ T2843] bridge0: port 2(bridge_slave_1) entered disabled state [ 831.132058][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 831.143451][ T9009] 8021q: adding VLAN 0 to HW filter on device team0 [ 831.154124][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 831.162908][ T9013] bridge0: port 1(bridge_slave_0) entered blocking state [ 831.169980][ T9013] bridge0: port 1(bridge_slave_0) entered forwarding state [ 831.182285][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 831.191771][ T2843] bridge0: port 2(bridge_slave_1) entered blocking state [ 831.199028][ T2843] bridge0: port 2(bridge_slave_1) entered forwarding state [ 831.214283][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 831.223791][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 831.235141][ T9011] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 831.250166][ T9009] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 831.261481][ T9009] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 831.274091][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 831.282866][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 831.291165][ T9013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 831.307389][ T9009] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/05/31 00:38:32 executed programs: 209 2019/05/31 00:38:37 executed programs: 414 2019/05/31 00:38:42 executed programs: 623 2019/05/31 00:38:47 executed programs: 827 2019/05/31 00:38:52 executed programs: 1031 2019/05/31 00:38:57 executed programs: 1242 2019/05/31 00:39:02 executed programs: 1446 2019/05/31 00:39:07 executed programs: 1662 2019/05/31 00:39:12 executed programs: 1878 2019/05/31 00:39:17 executed programs: 2092 [ 885.343328][T17630] WARNING: CPU: 0 PID: 17630 at kernel/locking/lockdep.c:735 register_lock_class+0xe10/0x1860 [ 885.353689][T17630] Kernel panic - not syncing: panic_on_warn set ... [ 885.360261][T17630] CPU: 0 PID: 17630 Comm: syz-executor.0 Not tainted 5.2.0-rc1+ #34 [ 885.368268][T17630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 885.378374][T17630] Call Trace: [ 885.381765][T17630] dump_stack+0x172/0x1f0 [ 885.386088][T17630] ? register_lock_class+0xdf0/0x1860 [ 885.391532][T17630] panic+0x2cb/0x744 [ 885.395456][T17630] ? __warn_printk+0xf3/0xf3 [ 885.400046][T17630] ? register_lock_class+0xe10/0x1860 [ 885.405423][T17630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 885.411643][T17630] ? __warn.cold+0x5/0x4d [ 885.415991][T17630] ? __warn+0xe8/0x1d0 [ 885.420043][T17630] ? register_lock_class+0xe10/0x1860 [ 885.425424][T17630] __warn.cold+0x20/0x4d [ 885.429653][T17630] ? register_lock_class+0xe10/0x1860 [ 885.435006][T17630] report_bug+0x263/0x2b0 [ 885.439320][T17630] do_error_trap+0x11b/0x200 [ 885.443896][T17630] do_invalid_op+0x37/0x50 [ 885.448294][T17630] ? register_lock_class+0xe10/0x1860 [ 885.453685][T17630] invalid_op+0x14/0x20 [ 885.457838][T17630] RIP: 0010:register_lock_class+0xe10/0x1860 [ 885.463795][T17630] Code: 00 48 89 da 4d 8b 76 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 23 07 00 00 4c 89 33 e9 e3 f4 ff ff 0f 0b <0f> 0b e9 ea f3 ff ff 44 89 e0 4c 8b 95 50 ff ff ff 83 c0 01 4c 8b [ 885.483382][T17630] RSP: 0018:ffff888091bb7568 EFLAGS: 00010087 [ 885.489434][T17630] RAX: dffffc0000000000 RBX: ffff8880946f9160 RCX: 0000000000000000 [ 885.497385][T17630] RDX: 1ffff110128df22f RSI: 0000000000000000 RDI: ffff8880946f9178 [ 885.505347][T17630] RBP: ffff888091bb7630 R08: 1ffff11012376eb5 R09: ffffffff8a659d40 [ 885.513305][T17630] R10: ffffffff8a2e8440 R11: 0000000000000000 R12: ffffffff8a323240 [ 885.521284][T17630] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff88022ba0 [ 885.529263][T17630] ? is_dynamic_key+0x1c0/0x1c0 [ 885.534103][T17630] __lock_acquire+0x116/0x5490 [ 885.538869][T17630] ? update_curr+0x3c4/0x8a0 [ 885.543446][T17630] ? mark_held_locks+0xf0/0xf0 [ 885.548194][T17630] ? finish_task_switch+0x146/0x730 [ 885.553371][T17630] ? find_held_lock+0x35/0x130 [ 885.558120][T17630] ? finish_task_switch+0x146/0x730 [ 885.563323][T17630] ? __schedule+0x76c/0x1560 [ 885.567898][T17630] lock_acquire+0x16f/0x3f0 [ 885.572424][T17630] ? lock_sock_nested+0x41/0x120 [ 885.577352][T17630] _raw_spin_lock_bh+0x33/0x50 [ 885.582101][T17630] ? lock_sock_nested+0x41/0x120 [ 885.587020][T17630] lock_sock_nested+0x41/0x120 [ 885.591820][T17630] do_ipv6_setsockopt.isra.0+0x27a/0x4100 [ 885.597539][T17630] ? ipv6_update_options+0x3b0/0x3b0 [ 885.602841][T17630] ? __might_sleep+0x95/0x190 [ 885.607519][T17630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 885.613741][T17630] ? futex_wait_queue_me+0x414/0x600 [ 885.619010][T17630] ? handle_futex_death.part.0+0x250/0x250 [ 885.624803][T17630] ? lock_pi_update_atomic+0x120/0x120 [ 885.630249][T17630] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 885.636133][T17630] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 885.641854][T17630] ? futex_wait+0x482/0x5e0 [ 885.646341][T17630] ? __lock_acquire+0x54f/0x5490 [ 885.651265][T17630] ? futex_wait_setup+0x390/0x390 [ 885.656291][T17630] ? refcount_dec_and_test_checked+0x1b/0x20 [ 885.662497][T17630] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 885.668377][T17630] ? mark_held_locks+0xf0/0xf0 [ 885.673130][T17630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 885.679356][T17630] ? aa_label_sk_perm+0x101/0x560 [ 885.684366][T17630] ? aa_profile_af_perm+0x320/0x320 [ 885.689552][T17630] ? find_held_lock+0x35/0x130 [ 885.694298][T17630] ? __fget+0x35a/0x550 [ 885.698448][T17630] ? lock_downgrade+0x880/0x880 [ 885.703284][T17630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 885.709505][T17630] ? kasan_check_read+0x11/0x20 [ 885.714337][T17630] ? ___might_sleep+0x163/0x280 [ 885.719167][T17630] ? __might_sleep+0x95/0x190 [ 885.723859][T17630] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 885.729476][T17630] ipv6_setsockopt+0xf6/0x170 [ 885.734159][T17630] ? ipv6_setsockopt+0xf6/0x170 [ 885.739026][T17630] udpv6_setsockopt+0x68/0xb0 [ 885.743687][T17630] sock_common_setsockopt+0x94/0xd0 [ 885.748874][T17630] __sys_setsockopt+0x17a/0x280 [ 885.753807][T17630] ? kernel_accept+0x310/0x310 [ 885.758555][T17630] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 885.764056][T17630] ? do_syscall_64+0x26/0x680 [ 885.768719][T17630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 885.774766][T17630] ? do_syscall_64+0x26/0x680 [ 885.779442][T17630] __x64_sys_setsockopt+0xbe/0x150 [ 885.784553][T17630] do_syscall_64+0xfd/0x680 [ 885.789041][T17630] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 885.794912][T17630] RIP: 0033:0x459279 [ 885.798783][T17630] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 885.818368][T17630] RSP: 002b:00007f4a38497c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 885.826765][T17630] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459279 [ 885.834722][T17630] RDX: 0000000000000023 RSI: 0000000000000029 RDI: 0000000000000003 [ 885.842692][T17630] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 885.850644][T17630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a384986d4 [ 885.858594][T17630] R13: 00000000004ce020 R14: 00000000004dc648 R15: 00000000ffffffff [ 885.867666][T17630] Kernel Offset: disabled [ 885.872006][T17630] Rebooting in 86400 seconds..