[ 39.023189][ T25] audit: type=1800 audit(1563951052.655:27): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.042877][ T25] audit: type=1800 audit(1563951052.655:28): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 39.852612][ T25] audit: type=1800 audit(1563951053.515:29): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 39.871816][ T25] audit: type=1800 audit(1563951053.515:30): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. 2019/07/24 07:06:27 parsed 1 programs 2019/07/24 07:06:28 executed programs: 0 syzkaller login: [ 975.338407][ T7740] IPVS: ftp: loaded support on port[0] = 21 [ 975.389180][ T7740] chnl_net:caif_netlink_parms(): no params data found [ 975.413173][ T7740] bridge0: port 1(bridge_slave_0) entered blocking state [ 975.420970][ T7740] bridge0: port 1(bridge_slave_0) entered disabled state [ 975.428940][ T7740] device bridge_slave_0 entered promiscuous mode [ 975.437165][ T7740] bridge0: port 2(bridge_slave_1) entered blocking state [ 975.444327][ T7740] bridge0: port 2(bridge_slave_1) entered disabled state [ 975.452416][ T7740] device bridge_slave_1 entered promiscuous mode [ 975.468194][ T7740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 975.478886][ T7740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 975.495587][ T7740] team0: Port device team_slave_0 added [ 975.503300][ T7740] team0: Port device team_slave_1 added [ 975.550108][ T7740] device hsr_slave_0 entered promiscuous mode [ 975.608469][ T7740] device hsr_slave_1 entered promiscuous mode [ 975.675627][ T7740] bridge0: port 2(bridge_slave_1) entered blocking state [ 975.683020][ T7740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 975.691120][ T7740] bridge0: port 1(bridge_slave_0) entered blocking state [ 975.698337][ T7740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 975.731160][ T7740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 975.742476][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 975.753513][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 975.761967][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 975.769785][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 975.782115][ T7740] 8021q: adding VLAN 0 to HW filter on device team0 [ 975.792065][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 975.801138][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 975.808346][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 975.828891][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 975.837392][ T7743] bridge0: port 2(bridge_slave_1) entered blocking state [ 975.844551][ T7743] bridge0: port 2(bridge_slave_1) entered forwarding state [ 975.853585][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 975.862256][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 975.871280][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 975.879950][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 975.889612][ T7743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 975.898562][ T7740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 975.915698][ T7740] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/07/24 07:06:33 executed programs: 224 2019/07/24 07:06:39 executed programs: 511 [ 989.357564][T10546] WARNING: CPU: 0 PID: 10546 at kernel/locking/lockdep.c:773 look_up_lock_class+0x1ac/0x2a0 [ 989.367792][T10546] Kernel panic - not syncing: panic_on_warn set ... [ 989.374498][T10546] CPU: 0 PID: 10546 Comm: syz-executor.0 Not tainted 5.2.0+ #37 [ 989.382148][T10546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 989.392187][T10546] Call Trace: [ 989.395468][T10546] dump_stack+0x1d8/0x2f8 [ 989.399820][T10546] panic+0x29b/0x7d9 [ 989.403694][T10546] ? __bfs+0x5a0/0x5a0 [ 989.407733][T10546] ? __warn+0x126/0x230 [ 989.411949][T10546] ? nmi_panic+0x97/0x97 [ 989.416165][T10546] ? __probe_kernel_read+0x14b/0x1a0 [ 989.421444][T10546] ? look_up_lock_class+0x1ac/0x2a0 [ 989.426632][T10546] ? is_valid_bugaddr+0x81/0x100 [ 989.431544][T10546] __warn+0x22f/0x230 [ 989.435501][T10546] ? look_up_lock_class+0x1ac/0x2a0 [ 989.440673][T10546] report_bug+0x190/0x290 [ 989.444977][T10546] ? look_up_lock_class+0x1ac/0x2a0 [ 989.450146][T10546] do_error_trap+0xd7/0x440 [ 989.454642][T10546] do_invalid_op+0x36/0x40 [ 989.459041][T10546] ? look_up_lock_class+0x1ac/0x2a0 [ 989.464225][T10546] invalid_op+0x23/0x30 [ 989.469661][T10546] RIP: 0010:look_up_lock_class+0x1ac/0x2a0 [ 989.475444][T10546] Code: 54 00 4c 3b 33 74 7d 48 8b 45 c8 42 80 3c 28 00 48 8b 5d d0 74 08 48 89 df e8 00 87 54 00 48 c7 c0 70 e4 3c 89 48 39 03 74 5a <0f> 0b eb 56 e8 0b 50 04 02 45 31 e4 48 c7 c7 00 24 7d 88 44 89 fe [ 989.496440][T10546] RSP: 0018:ffff8880898df1b8 EFLAGS: 00010002 [ 989.502488][T10546] RAX: ffffffff893ce470 RBX: ffff888097b31820 RCX: ffff888097b31820 [ 989.510432][T10546] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888097b31820 [ 989.518400][T10546] RBP: ffff8880898df1f0 R08: dffffc0000000000 R09: 0000000000000000 [ 989.526359][T10546] R10: fffffbfff11fb97d R11: 0000000000000000 R12: ffffffff89604d40 [ 989.534308][T10546] R13: dffffc0000000000 R14: ffffffff889d6acc R15: 0000000000000000 [ 989.542282][T10546] register_lock_class+0xd8/0x11a0 [ 989.547371][T10546] ? is_dynamic_key+0x1d0/0x1d0 [ 989.552225][T10546] __lock_acquire+0x184/0x4750 [ 989.556968][T10546] ? __lock_acquire+0x4750/0x4750 [ 989.561973][T10546] ? _raw_spin_unlock_irq+0x27/0x70 [ 989.567158][T10546] ? trace_lock_acquire+0x1b0/0x1b0 [ 989.572330][T10546] ? _raw_spin_unlock_irq+0x27/0x70 [ 989.577518][T10546] ? finish_lock_switch+0x31/0x40 [ 989.582517][T10546] ? finish_task_switch+0x22a/0x530 [ 989.587693][T10546] ? __schedule+0x8bf/0xcd0 [ 989.592177][T10546] ? __kasan_check_read+0x11/0x20 [ 989.597176][T10546] ? futex_wait_queue_me+0x3e7/0x570 [ 989.602521][T10546] ? trace_lock_acquire+0x154/0x1b0 [ 989.607695][T10546] lock_acquire+0x158/0x250 [ 989.612170][T10546] ? lock_sock_nested+0x45/0x120 [ 989.617084][T10546] ? lock_sock_nested+0x45/0x120 [ 989.622012][T10546] _raw_spin_lock_bh+0x34/0x50 [ 989.626751][T10546] ? lock_sock_nested+0x45/0x120 [ 989.631660][T10546] lock_sock_nested+0x45/0x120 [ 989.636408][T10546] do_ipv6_setsockopt+0x2e5/0x3bd0 [ 989.641495][T10546] ? ipv6_setsockopt+0x170/0x170 [ 989.646410][T10546] ? __kasan_check_read+0x11/0x20 [ 989.651424][T10546] ? trace_lock_acquire+0x1b0/0x1b0 [ 989.656619][T10546] ? trace_lock_acquire+0x1b0/0x1b0 [ 989.661796][T10546] ? handle_futex_death+0x460/0x460 [ 989.666963][T10546] ? trace_lock_acquire+0x1b0/0x1b0 [ 989.672139][T10546] ? lockdep_unregister_key+0x660/0x660 [ 989.677654][T10546] ? lockdep_unregister_key+0x660/0x660 [ 989.683173][T10546] ? rcu_lock_release+0xd/0x30 [ 989.687926][T10546] ? __lock_acquire+0x4750/0x4750 [ 989.693061][T10546] ? rcu_lock_release+0x26/0x30 [ 989.697888][T10546] ? __fget+0x52a/0x570 [ 989.702052][T10546] ? __might_fault+0xf9/0x160 [ 989.706717][T10546] ipv6_setsockopt+0x51/0x170 [ 989.711403][T10546] udpv6_setsockopt+0x7b/0x90 [ 989.716069][T10546] sock_common_setsockopt+0x99/0xb0 [ 989.721239][T10546] ? sock_common_recvmsg+0x240/0x240 [ 989.726515][T10546] __sys_setsockopt+0x683/0x870 [ 989.731443][T10546] ? rcu_lock_release+0x30/0x30 [ 989.736274][T10546] ? __kasan_check_read+0x11/0x20 [ 989.741274][T10546] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 989.747418][T10546] ? prepare_exit_to_usermode+0x1f7/0x580 [ 989.753129][T10546] ? trace_irq_disable_rcuidle+0x23/0x1c0 [ 989.758825][T10546] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 989.764261][T10546] ? trace_irq_disable_rcuidle+0x23/0x1c0 [ 989.769959][T10546] __x64_sys_setsockopt+0xbf/0xd0 [ 989.774957][T10546] do_syscall_64+0xfe/0x140 [ 989.779435][T10546] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 989.785304][T10546] RIP: 0033:0x459829 [ 989.789195][T10546] 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 [ 989.808989][T10546] RSP: 002b:00007fc6d7ef8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 989.817377][T10546] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459829 [ 989.825322][T10546] RDX: 0000000000000023 RSI: 0000000000000029 RDI: 0000000000000006 [ 989.833268][T10546] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 989.841214][T10546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6d7ef96d4 [ 989.849165][T10546] R13: 00000000004ced30 R14: 00000000004dd678 R15: 00000000ffffffff [ 989.858829][T10546] Kernel Offset: disabled [ 989.863155][T10546] Rebooting in 86400 seconds..