[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.723781][ T27] audit: type=1800 audit(1560227652.899:25): pid=8277 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.769257][ T27] audit: type=1800 audit(1560227652.899:26): pid=8277 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.819614][ T27] audit: type=1800 audit(1560227652.909:27): pid=8277 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 '10.128.10.43' (ECDSA) to the list of known hosts. 2019/06/11 04:49:45 parsed 1 programs 2019/06/11 04:49:47 executed programs: 0 syzkaller login: [ 985.434016][ T8444] IPVS: ftp: loaded support on port[0] = 21 [ 985.494578][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 985.522822][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 985.530541][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 985.538426][ T8444] device bridge_slave_0 entered promiscuous mode [ 985.547316][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 985.554536][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 985.562360][ T8444] device bridge_slave_1 entered promiscuous mode [ 985.578479][ T8444] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 985.588601][ T8444] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 985.606820][ T8444] team0: Port device team_slave_0 added [ 985.613892][ T8444] team0: Port device team_slave_1 added [ 985.681210][ T8444] device hsr_slave_0 entered promiscuous mode [ 985.729980][ T8444] device hsr_slave_1 entered promiscuous mode [ 985.797417][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 985.804599][ T8444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 985.812577][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 985.819643][ T8444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 985.854135][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 985.865847][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 985.885821][ T8447] bridge0: port 1(bridge_slave_0) entered disabled state [ 985.894692][ T8447] bridge0: port 2(bridge_slave_1) entered disabled state [ 985.903433][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 985.915544][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 985.925674][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 985.934166][ T3491] bridge0: port 1(bridge_slave_0) entered blocking state [ 985.941299][ T3491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 985.951756][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 985.960905][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 985.968062][ T8447] bridge0: port 2(bridge_slave_1) entered forwarding state [ 985.988578][ T8444] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 985.999793][ T8444] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 986.013335][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 986.021977][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 986.031030][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 986.039773][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 986.049524][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 986.057000][ T3491] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 986.073244][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/06/11 04:49:52 executed programs: 239 2019/06/11 04:49:57 executed programs: 516 2019/06/11 04:50:02 executed programs: 787 2019/06/11 04:50:07 executed programs: 1063 2019/06/11 04:50:12 executed programs: 1337 2019/06/11 04:50:17 executed programs: 1608 2019/06/11 04:50:22 executed programs: 1887 2019/06/11 04:50:27 executed programs: 2156 2019/06/11 04:50:32 executed programs: 2430 2019/06/11 04:50:37 executed programs: 2700 2019/06/11 04:50:42 executed programs: 2967 2019/06/11 04:50:47 executed programs: 3232 2019/06/11 04:50:52 executed programs: 3500 2019/06/11 04:50:57 executed programs: 3773 2019/06/11 04:51:02 executed programs: 4049 2019/06/11 04:51:07 executed programs: 4322 2019/06/11 04:51:12 executed programs: 4592 2019/06/11 04:51:17 executed programs: 4867 2019/06/11 04:51:22 executed programs: 5134 2019/06/11 04:51:27 executed programs: 5403 2019/06/11 04:51:32 executed programs: 5676 2019/06/11 04:51:37 executed programs: 5944 2019/06/11 04:51:42 executed programs: 6211 2019/06/11 04:51:47 executed programs: 6480 2019/06/11 04:51:52 executed programs: 6746 2019/06/11 04:51:57 executed programs: 7015 2019/06/11 04:52:02 executed programs: 7278 2019/06/11 04:52:07 executed programs: 7551 2019/06/11 04:52:12 executed programs: 7826 2019/06/11 04:52:17 executed programs: 8103 2019/06/11 04:52:22 executed programs: 8373 2019/06/11 04:52:27 executed programs: 8633 2019/06/11 04:52:32 executed programs: 8900 2019/06/11 04:52:37 executed programs: 9163 2019/06/11 04:52:42 executed programs: 9435 2019/06/11 04:52:47 executed programs: 9695 2019/06/11 04:52:52 executed programs: 9951 2019/06/11 04:52:57 executed programs: 10212 2019/06/11 04:53:02 executed programs: 10464 2019/06/11 04:53:07 executed programs: 10720 2019/06/11 04:53:12 executed programs: 10982 2019/06/11 04:53:17 executed programs: 11238 2019/06/11 04:53:22 executed programs: 11490 2019/06/11 04:53:28 executed programs: 11741 2019/06/11 04:53:33 executed programs: 11991 2019/06/11 04:53:38 executed programs: 12238 2019/06/11 04:53:43 executed programs: 12500 2019/06/11 04:53:48 executed programs: 12766 2019/06/11 04:53:53 executed programs: 13026 2019/06/11 04:53:58 executed programs: 13282 2019/06/11 04:54:03 executed programs: 13533 2019/06/11 04:54:08 executed programs: 13778 [ 1245.911367][T25495] WARNING: CPU: 1 PID: 25495 at kernel/locking/lockdep.c:767 register_lock_class+0x206/0x1850 [ 1245.921785][T25495] Kernel panic - not syncing: panic_on_warn set ... [ 1245.928356][T25495] CPU: 1 PID: 25495 Comm: syz-executor.0 Not tainted 5.2.0-rc3-next-20190607 #11 [ 1245.937432][T25495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1245.947575][T25495] Call Trace: [ 1245.950906][T25495] dump_stack+0x172/0x1f0 [ 1245.955216][T25495] ? register_lock_class+0x1f0/0x1850 [ 1245.960575][T25495] panic+0x2cb/0x744 [ 1245.964446][T25495] ? __warn_printk+0xf3/0xf3 [ 1245.969018][T25495] ? register_lock_class+0x206/0x1850 [ 1245.974386][T25495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1245.980609][T25495] ? __warn.cold+0x5/0x4d [ 1245.984932][T25495] ? __warn+0xe8/0x1d0 [ 1245.988986][T25495] ? register_lock_class+0x206/0x1850 [ 1245.994363][T25495] __warn.cold+0x20/0x4d [ 1245.998594][T25495] ? register_lock_class+0x206/0x1850 [ 1246.003948][T25495] report_bug+0x263/0x2b0 [ 1246.008270][T25495] do_error_trap+0x11b/0x200 [ 1246.012836][T25495] do_invalid_op+0x37/0x50 [ 1246.017230][T25495] ? register_lock_class+0x206/0x1850 [ 1246.022662][T25495] invalid_op+0x14/0x20 [ 1246.026818][T25495] RIP: 0010:register_lock_class+0x206/0x1850 [ 1246.032778][T25495] Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 86 10 00 00 4c 3b 7b 18 44 8b 35 75 b5 2e 09 74 0b 48 81 3b 60 16 e0 89 74 02 <0f> 0b 45 85 ed 0f 84 81 03 00 00 f6 85 70 ff ff ff 01 0f 85 74 03 [ 1246.052368][T25495] RSP: 0018:ffff8880a51df600 EFLAGS: 00010002 [ 1246.058412][T25495] RAX: dffffc0000000000 RBX: ffff8880a1877820 RCX: 0000000000000000 [ 1246.066369][T25495] RDX: 1ffff1101430ef07 RSI: 0000000000000000 RDI: ffff8880a1877838 [ 1246.074317][T25495] RBP: ffff8880a51df6c8 R08: 1ffff11014a3bec8 R09: ffffffff8a865180 [ 1246.082277][T25495] R10: ffffffff8a4ef258 R11: 0000000000000000 R12: ffffffff8a52e950 [ 1246.090225][T25495] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8822d0a0 [ 1246.098188][T25495] ? find_held_lock+0x35/0x130 [ 1246.102932][T25495] ? update_curr+0x3c4/0x8a0 [ 1246.107503][T25495] ? is_dynamic_key+0x1c0/0x1c0 [ 1246.112331][T25495] __lock_acquire+0xf4/0x4af0 [ 1246.116997][T25495] ? finish_task_switch+0x146/0x730 [ 1246.122176][T25495] ? find_held_lock+0x35/0x130 [ 1246.126917][T25495] ? finish_task_switch+0x146/0x730 [ 1246.132119][T25495] ? mark_held_locks+0xf0/0xf0 [ 1246.136862][T25495] ? lock_downgrade+0x920/0x920 [ 1246.141695][T25495] ? _raw_spin_unlock_irq+0x28/0x90 [ 1246.146895][T25495] lock_acquire+0x16f/0x3f0 [ 1246.151442][T25495] ? lock_sock_nested+0x41/0x120 [ 1246.156372][T25495] _raw_spin_lock_bh+0x33/0x50 [ 1246.161108][T25495] ? lock_sock_nested+0x41/0x120 [ 1246.166016][T25495] lock_sock_nested+0x41/0x120 [ 1246.170802][T25495] do_ipv6_setsockopt.isra.0+0x27a/0x4100 [ 1246.176498][T25495] ? ipv6_update_options+0x3b0/0x3b0 [ 1246.181761][T25495] ? __might_sleep+0x95/0x190 [ 1246.186413][T25495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1246.192629][T25495] ? futex_wait_queue_me+0x414/0x600 [ 1246.197904][T25495] ? handle_futex_death.part.0+0x250/0x250 [ 1246.203687][T25495] ? lock_pi_update_atomic+0x120/0x120 [ 1246.209130][T25495] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1246.215006][T25495] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 1246.220699][T25495] ? futex_wait+0x482/0x5d0 [ 1246.225174][T25495] ? futex_wait_setup+0x390/0x390 [ 1246.230190][T25495] ? refcount_dec_and_test_checked+0x1b/0x20 [ 1246.236145][T25495] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1246.242021][T25495] ? __lock_acquire+0x537/0x4af0 [ 1246.246932][T25495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1246.253151][T25495] ? aa_label_sk_perm+0x101/0x560 [ 1246.258151][T25495] ? aa_profile_af_perm+0x320/0x320 [ 1246.263324][T25495] ? __fget+0x35d/0x560 [ 1246.267455][T25495] ? __lock_acquire+0x537/0x4af0 [ 1246.272404][T25495] ? lock_downgrade+0x920/0x920 [ 1246.277243][T25495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1246.283492][T25495] ? kasan_check_read+0x11/0x20 [ 1246.288695][T25495] ? ___might_sleep+0x163/0x280 [ 1246.293525][T25495] ? __might_sleep+0x95/0x190 [ 1246.298177][T25495] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1246.303783][T25495] ipv6_setsockopt+0xf6/0x170 [ 1246.308433][T25495] ? ipv6_setsockopt+0xf6/0x170 [ 1246.313261][T25495] udpv6_setsockopt+0x68/0xb0 [ 1246.317977][T25495] sock_common_setsockopt+0x94/0xd0 [ 1246.323166][T25495] __sys_setsockopt+0x17a/0x280 [ 1246.327992][T25495] ? kernel_accept+0x310/0x310 [ 1246.332751][T25495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1246.338196][T25495] ? do_syscall_64+0x26/0x680 [ 1246.342865][T25495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1246.348905][T25495] ? do_syscall_64+0x26/0x680 [ 1246.353563][T25495] __x64_sys_setsockopt+0xbe/0x150 [ 1246.358651][T25495] do_syscall_64+0xfd/0x680 [ 1246.363130][T25495] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1246.368995][T25495] RIP: 0033:0x459279 [ 1246.372867][T25495] 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 [ 1246.392621][T25495] RSP: 002b:00007f4ae618dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1246.401010][T25495] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459279 [ 1246.408973][T25495] RDX: 0000000000000023 RSI: 0000000000000029 RDI: 0000000000000003 [ 1246.416937][T25495] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 1246.424883][T25495] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ae618e6d4 [ 1246.432828][T25495] R13: 00000000004ce2d0 R14: 00000000004dcbe8 R15: 00000000ffffffff [ 1246.442339][T25495] Kernel Offset: disabled [ 1246.446659][T25495] Rebooting in 86400 seconds..