[ 86.291755][ T27] audit: type=1800 audit(1582958997.831:26): pid=9642 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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. [ 87.213246][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 87.213259][ T27] audit: type=1800 audit(1582958998.771:29): pid=9642 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 87.241284][ T27] audit: type=1800 audit(1582958998.771:30): pid=9642 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.1.9' (ECDSA) to the list of known hosts. 2020/02/29 07:05:23 parsed 1 programs 2020/02/29 07:05:24 executed programs: 0 syzkaller login: [ 1013.464121][ T9814] IPVS: ftp: loaded support on port[0] = 21 [ 1013.522843][ T9814] chnl_net:caif_netlink_parms(): no params data found [ 1013.561205][ T9814] bridge0: port 1(bridge_slave_0) entered blocking state [ 1013.568852][ T9814] bridge0: port 1(bridge_slave_0) entered disabled state [ 1013.577020][ T9814] device bridge_slave_0 entered promiscuous mode [ 1013.585938][ T9814] bridge0: port 2(bridge_slave_1) entered blocking state [ 1013.593158][ T9814] bridge0: port 2(bridge_slave_1) entered disabled state [ 1013.601509][ T9814] device bridge_slave_1 entered promiscuous mode [ 1013.618540][ T9814] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1013.629425][ T9814] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1013.649229][ T9814] team0: Port device team_slave_0 added [ 1013.656609][ T9814] team0: Port device team_slave_1 added [ 1013.672573][ T9814] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1013.679575][ T9814] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1013.705688][ T9814] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1013.718022][ T9814] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1013.725141][ T9814] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1013.751153][ T9814] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1013.812817][ T9814] device hsr_slave_0 entered promiscuous mode [ 1013.880553][ T9814] device hsr_slave_1 entered promiscuous mode [ 1014.011365][ T9814] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1014.053431][ T9814] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1014.122322][ T9814] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1014.163445][ T9814] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1014.245280][ T9814] bridge0: port 2(bridge_slave_1) entered blocking state [ 1014.252802][ T9814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1014.260685][ T9814] bridge0: port 1(bridge_slave_0) entered blocking state [ 1014.267808][ T9814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1014.310093][ T9814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1014.326193][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1014.347649][ T2692] bridge0: port 1(bridge_slave_0) entered disabled state [ 1014.366835][ T2692] bridge0: port 2(bridge_slave_1) entered disabled state [ 1014.375218][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1014.388641][ T9814] 8021q: adding VLAN 0 to HW filter on device team0 [ 1014.399621][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1014.408573][ T3205] bridge0: port 1(bridge_slave_0) entered blocking state [ 1014.415711][ T3205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1014.430571][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1014.438907][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 1014.446029][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1014.471874][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1014.480803][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1014.489390][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1014.498122][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1014.508308][ T9814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1014.518087][ T9822] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1014.536606][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1014.544623][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1014.558589][ T9814] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1014.578745][ T9822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1014.587613][ T9822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1014.610890][ T9822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1014.619511][ T9822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1014.629659][ T9814] device veth0_vlan entered promiscuous mode [ 1014.637258][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1014.645530][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1014.659384][ T9814] device veth1_vlan entered promiscuous mode [ 1014.683967][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1014.692332][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1014.700780][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1014.709229][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1014.720174][ T9814] device veth0_macvtap entered promiscuous mode [ 1014.732346][ T9814] device veth1_macvtap entered promiscuous mode [ 1014.749663][ T9814] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1014.757712][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1014.766586][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1014.775029][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1014.783912][ T2808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1014.795980][ T9814] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1014.803694][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1014.812984][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/02/29 07:05:29 executed programs: 35 [ 1022.452707][T10119] ------------[ cut here ]------------ [ 1022.458450][T10119] WARNING: CPU: 0 PID: 10119 at kernel/locking/lockdep.c:839 register_lock_class+0x206/0x1850 [ 1022.468672][T10119] Kernel panic - not syncing: panic_on_warn set ... [ 1022.475389][T10119] CPU: 0 PID: 10119 Comm: syz-executor.0 Not tainted 5.6.0-rc3-syzkaller #0 [ 1022.484170][T10119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1022.494210][T10119] Call Trace: [ 1022.497618][T10119] dump_stack+0x197/0x210 [ 1022.501954][T10119] ? register_lock_class+0x130/0x1850 [ 1022.507386][T10119] panic+0x2e3/0x75c [ 1022.511271][T10119] ? add_taint.cold+0x16/0x16 [ 1022.516060][T10119] ? printk+0xba/0xed [ 1022.520041][T10119] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1022.525522][T10119] ? __warn.cold+0x14/0x3e [ 1022.529923][T10119] ? __warn+0xd9/0x1cf [ 1022.534013][T10119] ? register_lock_class+0x206/0x1850 [ 1022.539381][T10119] __warn.cold+0x2f/0x3e [ 1022.543606][T10119] ? report_bug.cold+0x63/0xb2 [ 1022.548360][T10119] ? register_lock_class+0x206/0x1850 [ 1022.553710][T10119] report_bug+0x289/0x300 [ 1022.558111][T10119] do_error_trap+0x11b/0x200 [ 1022.562692][T10119] do_invalid_op+0x37/0x50 [ 1022.567097][T10119] ? register_lock_class+0x206/0x1850 [ 1022.572534][T10119] invalid_op+0x23/0x30 [ 1022.576670][T10119] RIP: 0010:register_lock_class+0x206/0x1850 [ 1022.582628][T10119] Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 10 00 00 4c 3b 7b 18 44 8b 35 95 4d 2d 0a 74 0b 48 81 3b a0 47 e0 8a 74 02 <0f> 0b 45 85 ed 0f 84 71 03 00 00 f6 85 70 ff ff ff 01 0f 85 64 03 [ 1022.602285][T10119] RSP: 0018:ffffc90007c175b0 EFLAGS: 00010006 [ 1022.608360][T10119] RAX: dffffc0000000000 RBX: ffff8880a2fc08a0 RCX: 0000000000000000 [ 1022.616344][T10119] RDX: 1ffff110145f8117 RSI: 0000000000000000 RDI: ffff8880a2fc08b8 [ 1022.624301][T10119] RBP: ffffc90007c17678 R08: 1ffff92000f82ebe R09: ffffffff8b888360 [ 1022.632272][T10119] R10: ffffffff8b514878 R11: 0000000000000000 R12: ffffffff8b555260 [ 1022.640237][T10119] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff88f89700 [ 1022.648315][T10119] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 1022.654457][T10119] ? is_dynamic_key+0x1c0/0x1c0 [ 1022.659366][T10119] ? __kasan_check_read+0x11/0x20 [ 1022.664376][T10119] ? __kasan_check_read+0x11/0x20 [ 1022.669553][T10119] __lock_acquire+0xf4/0x4a00 [ 1022.674220][T10119] ? __kasan_check_read+0x11/0x20 [ 1022.679272][T10119] ? __lock_acquire+0x16f2/0x4a00 [ 1022.684356][T10119] ? finish_task_switch+0x147/0x750 [ 1022.689552][T10119] ? mark_held_locks+0xf0/0xf0 [ 1022.694318][T10119] ? find_held_lock+0x35/0x130 [ 1022.699150][T10119] ? __might_fault+0x12b/0x1e0 [ 1022.704005][T10119] lock_acquire+0x190/0x410 [ 1022.708601][T10119] ? lock_sock_nested+0x41/0x120 [ 1022.713548][T10119] _raw_spin_lock_bh+0x33/0x50 [ 1022.718292][T10119] ? lock_sock_nested+0x41/0x120 [ 1022.723211][T10119] lock_sock_nested+0x41/0x120 [ 1022.728131][T10119] do_ipv6_setsockopt.isra.0+0x27a/0x4290 [ 1022.733927][T10119] ? ipv6_update_options+0x3b0/0x3b0 [ 1022.739224][T10119] ? ___might_sleep+0x163/0x2c0 [ 1022.744090][T10119] ? __might_sleep+0x95/0x190 [ 1022.749219][T10119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1022.755667][T10119] ? futex_wait_queue_me+0x3cc/0x590 [ 1022.761571][T10119] ? futex_cleanup+0xe50/0xe50 [ 1022.766361][T10119] ? lock_pi_update_atomic+0x120/0x120 [ 1022.771870][T10119] ? try_to_wake_up+0xfd/0x1a80 [ 1022.776743][T10119] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1022.782644][T10119] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 1022.788348][T10119] ? __kasan_check_read+0x11/0x20 [ 1022.793370][T10119] ? mark_lock+0xc2/0x1220 [ 1022.797774][T10119] ? __kasan_check_read+0x11/0x20 [ 1022.802783][T10119] ? __lock_acquire+0x8a0/0x4a00 [ 1022.807702][T10119] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 1022.813434][T10119] ? futex_wake+0x179/0x4d0 [ 1022.818036][T10119] ? __fget_files+0x337/0x520 [ 1022.822698][T10119] ? find_held_lock+0x35/0x130 [ 1022.827441][T10119] ? __fget_files+0x337/0x520 [ 1022.832125][T10119] ? ___might_sleep+0x163/0x2c0 [ 1022.836974][T10119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1022.843624][T10119] ? aa_label_sk_perm+0x91/0xf0 [ 1022.849005][T10119] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 1022.854644][T10119] ? aa_sk_perm+0x346/0xaf0 [ 1022.859653][T10119] ? __fget_files+0x359/0x520 [ 1022.864320][T10119] ? aa_af_perm+0x2a0/0x2a0 [ 1022.868824][T10119] ipv6_setsockopt+0xff/0x180 [ 1022.873494][T10119] ? ipv6_setsockopt+0xff/0x180 [ 1022.878395][T10119] udpv6_setsockopt+0x68/0xb0 [ 1022.883070][T10119] sock_common_setsockopt+0x94/0xd0 [ 1022.888285][T10119] __sys_setsockopt+0x261/0x4c0 [ 1022.893127][T10119] ? sock_create_kern+0x50/0x50 [ 1022.897968][T10119] ? __x64_sys_futex+0x404/0x590 [ 1022.902923][T10119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1022.908445][T10119] ? do_syscall_64+0x26/0x790 [ 1022.913219][T10119] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1022.919297][T10119] ? do_syscall_64+0x26/0x790 [ 1022.924173][T10119] __x64_sys_setsockopt+0xbe/0x150 [ 1022.929268][T10119] do_syscall_64+0xfa/0x790 [ 1022.933769][T10119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1022.939649][T10119] RIP: 0033:0x45c449 [ 1022.943550][T10119] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1022.963161][T10119] RSP: 002b:00007fe3c3f3bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1022.971593][T10119] RAX: ffffffffffffffda RBX: 00007fe3c3f3c6d4 RCX: 000000000045c449 [ 1022.979566][T10119] RDX: 0000000000000034 RSI: 0000000000000029 RDI: 0000000000000005 [ 1022.987523][T10119] RBP: 000000000076bfc0 R08: 0000000000000004 R09: 0000000000000000 [ 1022.995493][T10119] R10: 0000000020000240 R11: 0000000000000246 R12: 00000000ffffffff [ 1023.003469][T10119] R13: 0000000000000a8f R14: 00000000004ccf45 R15: 000000000076bfcc [ 1023.012970][T10119] Kernel Offset: disabled [ 1023.017303][T10119] Rebooting in 86400 seconds..