[ 39.427049][ T26] audit: type=1800 audit(1571654425.742:27): pid=7620 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.455109][ T26] audit: type=1800 audit(1571654425.742:28): pid=7620 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. [ 40.366145][ T26] audit: type=1800 audit(1571654426.742:29): pid=7620 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.385593][ T26] audit: type=1800 audit(1571654426.742:30): pid=7620 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 '10.128.0.167' (ECDSA) to the list of known hosts. syzkaller login: [ 48.359006][ T7771] IPVS: ftp: loaded support on port[0] = 21 [ 48.401840][ T7771] chnl_net:caif_netlink_parms(): no params data found [ 48.424402][ T7771] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.431857][ T7771] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.439416][ T7771] device bridge_slave_0 entered promiscuous mode [ 48.447342][ T7771] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.454510][ T7771] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.462314][ T7771] device bridge_slave_1 entered promiscuous mode [ 48.476208][ T7771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.486554][ T7771] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.502639][ T7771] team0: Port device team_slave_0 added [ 48.509405][ T7771] team0: Port device team_slave_1 added [ 48.574074][ T7771] device hsr_slave_0 entered promiscuous mode [ 48.622054][ T7771] device hsr_slave_1 entered promiscuous mode [ 48.677826][ T7771] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.685081][ T7771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.692834][ T7771] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.699871][ T7771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.727283][ T7771] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.738653][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.758365][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.766814][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.775508][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.786058][ T7771] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.796111][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.804774][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.811957][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.822504][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.830772][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.837882][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.856398][ T7771] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.867203][ T7771] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.880380][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.889495][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.897828][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.906631][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.914951][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.922617][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 48.938773][ T7771] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.011866][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 49.017805][ C1] protocol 88fb is buggy, dev hsr_slave_1 executing program executing program executing program [ 49.251770][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 49.257621][ C1] protocol 88fb is buggy, dev hsr_slave_1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.131928][ T7799] ------------[ cut here ]------------ [ 51.137503][ T7799] hsr_addr_subst_dest: Unknown node [ 51.142997][ T7799] WARNING: CPU: 0 PID: 7799 at net/hsr/hsr_framereg.c:303 hsr_addr_subst_dest+0x33e/0x4b0 [ 51.152882][ T7799] Kernel panic - not syncing: panic_on_warn set ... [ 51.159445][ T7799] CPU: 0 PID: 7799 Comm: syz-executor145 Not tainted 5.4.0-rc4 #0 [ 51.167219][ T7799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.177247][ T7799] Call Trace: [ 51.180513][ T7799] dump_stack+0x1d8/0x2f8 [ 51.184820][ T7799] panic+0x264/0x7a9 [ 51.188691][ T7799] ? __warn+0x105/0x210 [ 51.192840][ T7799] ? hsr_addr_subst_dest+0x33e/0x4b0 [ 51.198109][ T7799] __warn+0x20e/0x210 [ 51.202066][ T7799] ? hsr_addr_subst_dest+0x33e/0x4b0 [ 51.207325][ T7799] report_bug+0x1b6/0x2f0 [ 51.211749][ T7799] ? hsr_addr_subst_dest+0x33e/0x4b0 [ 51.217019][ T7799] do_error_trap+0xd7/0x440 [ 51.221498][ T7799] do_invalid_op+0x36/0x40 [ 51.225888][ T7799] ? hsr_addr_subst_dest+0x33e/0x4b0 [ 51.231150][ T7799] invalid_op+0x23/0x30 [ 51.235282][ T7799] RIP: 0010:hsr_addr_subst_dest+0x33e/0x4b0 [ 51.241147][ T7799] Code: 4d 01 01 0f 84 08 ff ff ff e8 0e 2e 05 fa c6 05 9e 16 4d 01 01 48 c7 c7 84 10 57 88 48 c7 c6 70 10 57 88 31 c0 e8 22 d2 d7 f9 <0f> 0b e9 e5 fe ff ff e8 e6 2d 05 fa 80 3d 76 16 4d 01 01 0f 84 ce [ 51.260725][ T7799] RSP: 0018:ffff8880903ff690 EFLAGS: 00010246 [ 51.266763][ T7799] RAX: 6b7b4f2306833e00 RBX: dffffc0000000000 RCX: ffff888092c7a200 [ 51.274713][ T7799] RDX: 0000000000000000 RSI: 0000000080000200 RDI: 0000000000000000 [ 51.282660][ T7799] RBP: ffff8880903ff6e8 R08: ffffffff815c8244 R09: fffffbfff111a4bb [ 51.290607][ T7799] R10: fffffbfff111a4bb R11: 0000000000000000 R12: 000000006e8b7d73 [ 51.298554][ T7799] R13: ffff888092cb2b60 R14: ffff8880a8597514 R15: ffff888092cb2b60 [ 51.306533][ T7799] ? vprintk_emit+0x2d4/0x3a0 [ 51.311191][ T7799] hsr_forward_skb+0xb36/0x2040 [ 51.316039][ T7799] hsr_dev_xmit+0x77/0x90 [ 51.320355][ T7799] dev_hard_start_xmit+0x1c1/0x3f0 [ 51.325446][ T7799] __dev_queue_xmit+0x1e53/0x3010 [ 51.330456][ T7799] dev_queue_xmit+0x17/0x20 [ 51.334934][ T7799] packet_sendmsg+0x4b77/0x63b0 [ 51.339803][ T7799] ? __might_fault+0xf9/0x160 [ 51.344470][ T7799] ? __might_fault+0xf9/0x160 [ 51.349136][ T7799] ? rw_copy_check_uvector+0x73/0x360 [ 51.354486][ T7799] ? tomoyo_socket_sendmsg_permission+0x210/0x310 [ 51.360906][ T7799] ? compat_packet_setsockopt+0x160/0x160 [ 51.366614][ T7799] ___sys_sendmsg+0x60d/0x910 [ 51.371280][ T7799] ? __kasan_check_write+0x14/0x20 [ 51.376380][ T7799] ? check_preemption_disabled+0xb7/0x2a0 [ 51.382092][ T7799] ? __fdget+0x156/0x200 [ 51.386418][ T7799] __x64_sys_sendmsg+0x17c/0x200 [ 51.391359][ T7799] do_syscall_64+0xf7/0x1c0 [ 51.395852][ T7799] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.401780][ T7799] RIP: 0033:0x442dd9 [ 51.405690][ T7799] Code: e8 1c 08 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 3b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.425303][ T7799] RSP: 002b:00007fff8b6c97c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.433689][ T7799] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442dd9 [ 51.441639][ T7799] RDX: 0000000000000000 RSI: 0000000020001e40 RDI: 0000000000000003 [ 51.449595][ T7799] RBP: 000000000000c688 R08: 00000000000000c2 R09: 00000000000000c2 [ 51.451859][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 51.457544][ T7799] R10: 00000000000000c2 R11: 0000000000000246 R12: 00000000006d4dc8 [ 51.457551][ T7799] R13: 00000000006d5440 R14: 0000000000000000 R15: 0000000000000000 [ 51.464689][ T7799] Kernel Offset: disabled [ 51.484920][ T7799] Rebooting in 86400 seconds..