[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.128142][ T24] audit: type=1800 audit(1559269751.173:25): pid=8823 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.165350][ T24] audit: type=1800 audit(1559269751.173:26): pid=8823 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.225087][ T24] audit: type=1800 audit(1559269751.173:27): pid=8823 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 '10.128.1.34' (ECDSA) to the list of known hosts. 2019/05/31 02:40:16 parsed 1 programs 2019/05/31 02:40:19 executed programs: 0 syzkaller login: [ 728.642752][ T8990] IPVS: ftp: loaded support on port[0] = 21 [ 728.705990][ T8990] chnl_net:caif_netlink_parms(): no params data found [ 728.734494][ T8990] bridge0: port 1(bridge_slave_0) entered blocking state [ 728.742117][ T8990] bridge0: port 1(bridge_slave_0) entered disabled state [ 728.750073][ T8990] device bridge_slave_0 entered promiscuous mode [ 728.758578][ T8990] bridge0: port 2(bridge_slave_1) entered blocking state [ 728.765697][ T8990] bridge0: port 2(bridge_slave_1) entered disabled state [ 728.773781][ T8990] device bridge_slave_1 entered promiscuous mode [ 728.791530][ T8990] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 728.801354][ T8990] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 728.819661][ T8990] team0: Port device team_slave_0 added [ 728.826565][ T8990] team0: Port device team_slave_1 added [ 728.879053][ T8990] device hsr_slave_0 entered promiscuous mode [ 728.937547][ T8990] device hsr_slave_1 entered promiscuous mode [ 729.004911][ T8990] bridge0: port 2(bridge_slave_1) entered blocking state [ 729.012069][ T8990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 729.019841][ T8990] bridge0: port 1(bridge_slave_0) entered blocking state [ 729.026909][ T8990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 729.062306][ T8990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 729.073631][ T2854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 729.093582][ T2854] bridge0: port 1(bridge_slave_0) entered disabled state [ 729.102198][ T2854] bridge0: port 2(bridge_slave_1) entered disabled state [ 729.111192][ T2854] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 729.122496][ T8990] 8021q: adding VLAN 0 to HW filter on device team0 [ 729.133247][ T3486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 729.141907][ T3486] bridge0: port 1(bridge_slave_0) entered blocking state [ 729.148978][ T3486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 729.160684][ T8995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 729.169435][ T8995] bridge0: port 2(bridge_slave_1) entered blocking state [ 729.176469][ T8995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 729.192466][ T8992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 729.201883][ T8992] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 729.212276][ T8995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 729.223697][ T8992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 729.234939][ T8995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 729.245536][ T8990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 729.262986][ T8990] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/05/31 02:40:24 executed programs: 180 2019/05/31 02:40:29 executed programs: 397 2019/05/31 02:40:34 executed programs: 612 2019/05/31 02:40:39 executed programs: 822 2019/05/31 02:40:44 executed programs: 1035 2019/05/31 02:40:49 executed programs: 1251 2019/05/31 02:40:54 executed programs: 1468 2019/05/31 02:40:59 executed programs: 1691 2019/05/31 02:41:04 executed programs: 1909 2019/05/31 02:41:09 executed programs: 2121 2019/05/31 02:41:14 executed programs: 2338 2019/05/31 02:41:19 executed programs: 2551 2019/05/31 02:41:24 executed programs: 2762 2019/05/31 02:41:29 executed programs: 2973 2019/05/31 02:41:34 executed programs: 3181 2019/05/31 02:41:39 executed programs: 3388 2019/05/31 02:41:44 executed programs: 3602 2019/05/31 02:41:49 executed programs: 3814 2019/05/31 02:41:54 executed programs: 4025 2019/05/31 02:41:59 executed programs: 4233 2019/05/31 02:42:04 executed programs: 4444 2019/05/31 02:42:09 executed programs: 4654 2019/05/31 02:42:14 executed programs: 4869 [ 844.974611][T27264] WARNING: CPU: 0 PID: 27264 at kernel/locking/lockdep.c:735 register_lock_class+0xe10/0x1860 [ 844.984880][T27264] Kernel panic - not syncing: panic_on_warn set ... [ 844.991453][T27264] CPU: 0 PID: 27264 Comm: syz-executor.0 Not tainted 5.2.0-rc2+ #5 [ 844.999371][T27264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 845.009433][T27264] Call Trace: [ 845.012751][T27264] dump_stack+0x172/0x1f0 [ 845.017066][T27264] ? register_lock_class+0xdf0/0x1860 [ 845.022414][T27264] panic+0x2cb/0x744 [ 845.026285][T27264] ? __warn_printk+0xf3/0xf3 [ 845.030853][T27264] ? register_lock_class+0xe10/0x1860 [ 845.036204][T27264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 845.042420][T27264] ? __warn.cold+0x5/0x4d [ 845.046738][T27264] ? __warn+0xe8/0x1d0 [ 845.050797][T27264] ? register_lock_class+0xe10/0x1860 [ 845.056148][T27264] __warn.cold+0x20/0x4d [ 845.060371][T27264] ? register_lock_class+0xe10/0x1860 [ 845.065722][T27264] report_bug+0x263/0x2b0 [ 845.070033][T27264] do_error_trap+0x11b/0x200 [ 845.074600][T27264] do_invalid_op+0x37/0x50 [ 845.078996][T27264] ? register_lock_class+0xe10/0x1860 [ 845.084395][T27264] invalid_op+0x14/0x20 [ 845.088532][T27264] RIP: 0010:register_lock_class+0xe10/0x1860 [ 845.094486][T27264] 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 [ 845.114075][T27264] RSP: 0018:ffff888095247578 EFLAGS: 00010083 [ 845.120130][T27264] RAX: dffffc0000000000 RBX: ffff88808fb10920 RCX: 0000000000000000 [ 845.128095][T27264] RDX: 1ffff11011f62127 RSI: 0000000000000000 RDI: ffff88808fb10938 [ 845.136045][T27264] RBP: ffff888095247640 R08: 1ffff11012a48eb7 R09: ffffffff8a659d40 [ 845.143990][T27264] R10: ffffffff8a2e3d50 R11: 0000000000000000 R12: ffffffff8a3232f0 [ 845.151935][T27264] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff880235e0 [ 845.159900][T27264] ? is_dynamic_key+0x1c0/0x1c0 [ 845.164730][T27264] __lock_acquire+0x116/0x5490 [ 845.169473][T27264] ? mark_held_locks+0xf0/0xf0 [ 845.174225][T27264] ? mark_held_locks+0xf0/0xf0 [ 845.178970][T27264] ? finish_task_switch+0x146/0x730 [ 845.184148][T27264] ? find_held_lock+0x35/0x130 [ 845.188902][T27264] ? finish_task_switch+0x146/0x730 [ 845.194076][T27264] ? _raw_spin_unlock_irq+0x28/0x90 [ 845.199248][T27264] ? finish_task_switch+0x146/0x730 [ 845.204421][T27264] ? _raw_spin_unlock_irq+0x28/0x90 [ 845.209594][T27264] lock_acquire+0x16f/0x3f0 [ 845.214168][T27264] ? lock_sock_nested+0x41/0x120 [ 845.219115][T27264] _raw_spin_lock_bh+0x33/0x50 [ 845.223858][T27264] ? lock_sock_nested+0x41/0x120 [ 845.228775][T27264] lock_sock_nested+0x41/0x120 [ 845.233556][T27264] do_ipv6_setsockopt.isra.0+0x27a/0x4100 [ 845.239274][T27264] ? ipv6_update_options+0x3b0/0x3b0 [ 845.244535][T27264] ? __might_sleep+0x95/0x190 [ 845.249197][T27264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 845.255426][T27264] ? futex_wait_queue_me+0x414/0x600 [ 845.260704][T27264] ? handle_futex_death.part.0+0x250/0x250 [ 845.266489][T27264] ? lock_pi_update_atomic+0x120/0x120 [ 845.271935][T27264] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 845.277807][T27264] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 845.283524][T27264] ? futex_wait+0x482/0x5e0 [ 845.288008][T27264] ? futex_wait_setup+0x390/0x390 [ 845.293009][T27264] ? __lock_acquire+0x54f/0x5490 [ 845.297923][T27264] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 845.303619][T27264] ? futex_wake+0x179/0x4d0 [ 845.308104][T27264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 845.314329][T27264] ? aa_label_sk_perm+0x101/0x560 [ 845.319341][T27264] ? mark_held_locks+0xf0/0xf0 [ 845.324085][T27264] ? aa_profile_af_perm+0x320/0x320 [ 845.329260][T27264] ? __fget+0x35a/0x550 [ 845.333391][T27264] ? find_held_lock+0x35/0x130 [ 845.338127][T27264] ? __fget+0x35a/0x550 [ 845.342263][T27264] ? ___might_sleep+0x163/0x280 [ 845.347089][T27264] ? __might_sleep+0x95/0x190 [ 845.351745][T27264] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 845.357357][T27264] compat_ipv6_setsockopt+0x111/0x200 [ 845.362707][T27264] ? compat_ipv6_setsockopt+0x111/0x200 [ 845.368251][T27264] compat_udpv6_setsockopt+0x68/0xb0 [ 845.373517][T27264] compat_sock_common_setsockopt+0xb2/0x140 [ 845.379383][T27264] ? udpv6_destroy_sock+0x150/0x150 [ 845.384609][T27264] __compat_sys_setsockopt+0x185/0x380 [ 845.390051][T27264] ? sock_common_setsockopt+0xd0/0xd0 [ 845.395412][T27264] ? __compat_sys_getsockopt+0x2c0/0x2c0 [ 845.401036][T27264] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 845.406494][T27264] ? do_fast_syscall_32+0xd1/0xd7d [ 845.411601][T27264] ? entry_SYSENTER_compat+0x70/0x7f [ 845.416868][T27264] ? do_fast_syscall_32+0xd1/0xd7d [ 845.421982][T27264] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 845.427781][T27264] do_fast_syscall_32+0x27b/0xd7d [ 845.432790][T27264] entry_SYSENTER_compat+0x70/0x7f [ 845.437878][T27264] RIP: 0023:0xf7f26849 [ 845.441923][T27264] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 845.461509][T27264] RSP: 002b:00000000f7f010cc EFLAGS: 00000296 ORIG_RAX: 000000000000016e [ 845.469903][T27264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 845.477858][T27264] RDX: 0000000000000023 RSI: 0000000000000000 RDI: 0000000000000000 [ 845.485806][T27264] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 845.493755][T27264] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 845.501703][T27264] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 845.510829][T27264] Kernel Offset: disabled [ 845.515146][T27264] Rebooting in 86400 seconds..