[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.141245][ T26] audit: type=1800 audit(1559634841.428:25): pid=8391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.186009][ T26] audit: type=1800 audit(1559634841.428:26): pid=8391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.213614][ T26] audit: type=1800 audit(1559634841.438:27): pid=8391 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 '10.128.0.144' (ECDSA) to the list of known hosts. 2019/06/04 07:54:10 parsed 1 programs 2019/06/04 07:54:12 executed programs: 0 syzkaller login: [ 64.613251][ T8559] IPVS: ftp: loaded support on port[0] = 21 [ 64.673434][ T8559] chnl_net:caif_netlink_parms(): no params data found [ 64.702353][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.709740][ T8559] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.717889][ T8559] device bridge_slave_0 entered promiscuous mode [ 64.727121][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.734485][ T8559] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.742506][ T8559] device bridge_slave_1 entered promiscuous mode [ 64.761481][ T8559] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.771635][ T8559] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.789441][ T8559] team0: Port device team_slave_0 added [ 64.797131][ T8559] team0: Port device team_slave_1 added [ 64.870587][ T8559] device hsr_slave_0 entered promiscuous mode [ 64.939066][ T8559] device hsr_slave_1 entered promiscuous mode [ 64.996269][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.003488][ T8559] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.011456][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.018654][ T8559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.055246][ T8559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.068204][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.089992][ T3003] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.098422][ T3003] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.108223][ T3003] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.121022][ T8559] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.132238][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.141231][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.148273][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.159979][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.169708][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.176998][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.197871][ T8559] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.209153][ T8559] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.222886][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.232410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.241310][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.250663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.259686][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.268351][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.287190][ T8559] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.613789][ T8770] WARNING: CPU: 1 PID: 8770 at kernel/locking/lockdep.c:735 register_lock_class+0xe10/0x1860 [ 66.624127][ T8770] Kernel panic - not syncing: panic_on_warn set ... [ 66.630839][ T8770] CPU: 1 PID: 8770 Comm: syz-executor.0 Not tainted 5.2.0-rc3+ #38 [ 66.638746][ T8770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.648908][ T8770] Call Trace: [ 66.652196][ T8770] dump_stack+0x172/0x1f0 [ 66.656522][ T8770] ? register_lock_class+0xdb0/0x1860 [ 66.661897][ T8770] panic+0x2cb/0x744 [ 66.665817][ T8770] ? __warn_printk+0xf3/0xf3 [ 66.670401][ T8770] ? register_lock_class+0xe10/0x1860 [ 66.675770][ T8770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.682085][ T8770] ? __warn.cold+0x5/0x4d [ 66.686403][ T8770] ? __warn+0xe8/0x1d0 [ 66.690461][ T8770] ? register_lock_class+0xe10/0x1860 [ 66.695836][ T8770] __warn.cold+0x20/0x4d [ 66.700069][ T8770] ? register_lock_class+0xe10/0x1860 [ 66.705472][ T8770] report_bug+0x263/0x2b0 [ 66.709793][ T8770] do_error_trap+0x11b/0x200 [ 66.714371][ T8770] do_invalid_op+0x37/0x50 [ 66.718790][ T8770] ? register_lock_class+0xe10/0x1860 [ 66.724168][ T8770] invalid_op+0x14/0x20 [ 66.728315][ T8770] RIP: 0010:register_lock_class+0xe10/0x1860 [ 66.734564][ T8770] 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 [ 66.754194][ T8770] RSP: 0018:ffff8880858bf568 EFLAGS: 00010087 [ 66.760273][ T8770] RAX: dffffc0000000000 RBX: ffff8880a01c7160 RCX: 0000000000000000 [ 66.768251][ T8770] RDX: 1ffff11014038e2f RSI: 0000000000000000 RDI: ffff8880a01c7178 [ 66.776301][ T8770] RBP: ffff8880858bf630 R08: 1ffff11010b17eb5 R09: ffffffff8a659d40 [ 66.784291][ T8770] R10: ffffffff8a2e7660 R11: 0000000000000000 R12: ffffffff8a323240 [ 66.792461][ T8770] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff880236a0 [ 66.800477][ T8770] ? is_dynamic_key+0x1c0/0x1c0 [ 66.805339][ T8770] __lock_acquire+0x116/0x5490 [ 66.810098][ T8770] ? update_curr+0x3c4/0x8a0 [ 66.814685][ T8770] ? mark_held_locks+0xf0/0xf0 [ 66.819667][ T8770] ? finish_task_switch+0x146/0x730 [ 66.824953][ T8770] ? find_held_lock+0x35/0x130 [ 66.829708][ T8770] ? finish_task_switch+0x146/0x730 [ 66.834899][ T8770] ? __schedule+0x76c/0x1560 [ 66.839488][ T8770] lock_acquire+0x16f/0x3f0 [ 66.844001][ T8770] ? lock_sock_nested+0x41/0x120 [ 66.848937][ T8770] _raw_spin_lock_bh+0x33/0x50 [ 66.853692][ T8770] ? lock_sock_nested+0x41/0x120 [ 66.858634][ T8770] lock_sock_nested+0x41/0x120 [ 66.863396][ T8770] do_ipv6_setsockopt.isra.0+0x27a/0x4100 [ 66.869227][ T8770] ? ipv6_update_options+0x3b0/0x3b0 [ 66.874518][ T8770] ? __might_sleep+0x95/0x190 [ 66.879200][ T8770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.885478][ T8770] ? futex_wait_queue_me+0x414/0x600 [ 66.890783][ T8770] ? handle_futex_death.part.0+0x250/0x250 [ 66.896587][ T8770] ? lock_pi_update_atomic+0x120/0x120 [ 66.902037][ T8770] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 66.907920][ T8770] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 66.913630][ T8770] ? futex_wait+0x482/0x5e0 [ 66.918121][ T8770] ? __lock_acquire+0x54f/0x5490 [ 66.923066][ T8770] ? futex_wait_setup+0x390/0x390 [ 66.928086][ T8770] ? refcount_dec_and_test_checked+0x1b/0x20 [ 66.934065][ T8770] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 66.939967][ T8770] ? mark_held_locks+0xf0/0xf0 [ 66.944741][ T8770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 66.950973][ T8770] ? aa_label_sk_perm+0x101/0x560 [ 66.956010][ T8770] ? aa_profile_af_perm+0x320/0x320 [ 66.961203][ T8770] ? find_held_lock+0x35/0x130 [ 66.965959][ T8770] ? __fget+0x35a/0x550 [ 66.970111][ T8770] ? lock_downgrade+0x880/0x880 [ 66.974972][ T8770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.981231][ T8770] ? kasan_check_read+0x11/0x20 [ 66.986080][ T8770] ? ___might_sleep+0x163/0x280 [ 66.990915][ T8770] ? __might_sleep+0x95/0x190 [ 66.995584][ T8770] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 67.001225][ T8770] ipv6_setsockopt+0xf6/0x170 [ 67.005894][ T8770] ? ipv6_setsockopt+0xf6/0x170 [ 67.010734][ T8770] udpv6_setsockopt+0x68/0xb0 [ 67.015400][ T8770] sock_common_setsockopt+0x94/0xd0 [ 67.020692][ T8770] __sys_setsockopt+0x17a/0x280 [ 67.025525][ T8770] ? kernel_accept+0x310/0x310 [ 67.030391][ T8770] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.035840][ T8770] ? do_syscall_64+0x26/0x680 [ 67.040524][ T8770] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.046960][ T8770] ? do_syscall_64+0x26/0x680 [ 67.051633][ T8770] __x64_sys_setsockopt+0xbe/0x150 [ 67.056733][ T8770] do_syscall_64+0xfd/0x680 [ 67.061231][ T8770] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.067107][ T8770] RIP: 0033:0x459279 [ 67.070997][ T8770] 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 [ 67.090588][ T8770] RSP: 002b:00007f536df87c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 67.099017][ T8770] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459279 [ 67.106993][ T8770] RDX: 0000000000000023 RSI: 0000000000000029 RDI: 0000000000000003 [ 67.115068][ T8770] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 67.123046][ T8770] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f536df886d4 [ 67.131011][ T8770] R13: 00000000004ce058 R14: 00000000004dc6e8 R15: 00000000ffffffff [ 67.140207][ T8770] Kernel Offset: disabled [ 67.144534][ T8770] Rebooting in 86400 seconds..