[ 42.465704][ T26] audit: type=1800 audit(1555586320.562:26): pid=7740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.494100][ T26] audit: type=1800 audit(1555586320.562:27): pid=7740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.526187][ T26] audit: type=1800 audit(1555586320.562:28): pid=7740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. [ 43.494928][ T26] audit: type=1800 audit(1555586321.612:29): pid=7740 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. syzkaller login: [ 55.365091][ T7893] IPVS: ftp: loaded support on port[0] = 21 [ 55.417058][ T7893] chnl_net:caif_netlink_parms(): no params data found [ 55.450064][ T7893] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.465347][ T7893] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.473286][ T7893] device bridge_slave_0 entered promiscuous mode [ 55.481671][ T7893] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.488801][ T7893] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.496683][ T7893] device bridge_slave_1 entered promiscuous mode [ 55.512852][ T7893] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.522590][ T7893] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.538953][ T7893] team0: Port device team_slave_0 added [ 55.546180][ T7893] team0: Port device team_slave_1 added [ 55.621590][ T7893] device hsr_slave_0 entered promiscuous mode [ 55.659783][ T7893] device hsr_slave_1 entered promiscuous mode [ 55.736781][ T7893] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.744037][ T7893] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.752052][ T7893] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.759114][ T7893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.792309][ T7893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.803483][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.825370][ T2988] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.834545][ T2988] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.843705][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.855027][ T7893] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.865464][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.874082][ T3191] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.881211][ T3191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.900165][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.908570][ T2988] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.915741][ T2988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.923791][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.932442][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.941593][ T7895] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.955309][ T7893] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.966923][ T7893] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.979127][ T7895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.989015][ T7895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.998461][ T7895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 56.015277][ T7893] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.029344][ T7893] ------------[ cut here ]------------ [ 56.034978][ T7893] hsr_addr_subst_dest: Unknown node [ 56.040930][ T7893] WARNING: CPU: 1 PID: 7893 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x382/0x460 [ 56.050822][ T7893] Kernel panic - not syncing: panic_on_warn set ... [ 56.057413][ T7893] CPU: 1 PID: 7893 Comm: syz-executor179 Not tainted 5.1.0-rc5+ #172 [ 56.065644][ T7893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.075736][ T7893] Call Trace: [ 56.079027][ T7893] dump_stack+0x172/0x1f0 [ 56.083363][ T7893] ? hsr_addr_subst_dest+0x320/0x460 [ 56.088796][ T7893] panic+0x2cb/0x65c [ 56.092725][ T7893] ? __warn_printk+0xf3/0xf3 [ 56.097328][ T7893] ? hsr_addr_subst_dest+0x382/0x460 [ 56.102615][ T7893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.108965][ T7893] ? __warn.cold+0x5/0x45 [ 56.113283][ T7893] ? __warn+0xe8/0x1d0 [ 56.117337][ T7893] ? hsr_addr_subst_dest+0x382/0x460 [ 56.122613][ T7893] __warn.cold+0x20/0x45 [ 56.126959][ T7893] ? vprintk_emit+0x1ce/0x6d0 [ 56.131635][ T7893] ? hsr_addr_subst_dest+0x382/0x460 [ 56.136922][ T7893] report_bug+0x263/0x2b0 [ 56.141242][ T7893] do_error_trap+0x11b/0x200 [ 56.145827][ T7893] do_invalid_op+0x37/0x50 [ 56.152124][ T7893] ? hsr_addr_subst_dest+0x382/0x460 [ 56.157405][ T7893] invalid_op+0x14/0x20 [ 56.161646][ T7893] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 56.167563][ T7893] Code: 89 de e8 b1 80 6a fa 84 db 75 d3 e8 68 7f 6a fa 48 c7 c6 e0 4d 19 88 48 c7 c7 a0 4d 19 88 c6 05 13 7b 54 02 01 e8 4c 2d 3d fa <0f> 0b eb b0 e8 45 7f 6a fa 0f b6 1d ff 7a 54 02 31 ff 89 de e8 75 [ 56.187188][ T7893] RSP: 0018:ffff88808950f5f0 EFLAGS: 00010282 [ 56.193247][ T7893] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.201333][ T7893] RDX: 0000000000000000 RSI: ffffffff815afcb6 RDI: ffffed10112a1eb0 [ 56.209303][ T7893] RBP: ffff88808950f630 R08: ffff88808ef62000 R09: ffff88808ef628a0 [ 56.217279][ T7893] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880917f51e0 [ 56.225241][ T7893] R13: 00000000aaaaaaaa R14: 00000000d0ea71fc R15: 000000000000aaaa [ 56.233246][ T7893] ? vprintk_func+0x86/0x189 [ 56.237848][ T7893] hsr_forward_skb+0x123c/0x1bd0 [ 56.242782][ T7893] hsr_dev_xmit+0x72/0xa0 [ 56.247144][ T7893] dev_hard_start_xmit+0x1b2/0x980 [ 56.252267][ T7893] __dev_queue_xmit+0x271d/0x3060 [ 56.257314][ T7893] ? __might_fault+0x12b/0x1e0 [ 56.269232][ T7893] ? find_held_lock+0x35/0x130 [ 56.274041][ T7893] ? netdev_pick_tx+0x300/0x300 [ 56.278987][ T7893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.285234][ T7893] ? iov_iter_advance+0x295/0xf70 [ 56.290286][ T7893] dev_queue_xmit+0x18/0x20 [ 56.294810][ T7893] ? dev_queue_xmit+0x18/0x20 [ 56.299494][ T7893] pppoe_sendmsg+0x657/0x7e0 [ 56.304693][ T7893] ? ether_setup+0x2d0/0x2d0 [ 56.309293][ T7893] ? pppoe_getname+0x120/0x120 [ 56.314060][ T7893] ? apparmor_socket_sendmsg+0x2a/0x30 [ 56.319517][ T7893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.325776][ T7893] ? security_socket_sendmsg+0x93/0xc0 [ 56.331226][ T7893] ? pppoe_getname+0x120/0x120 [ 56.335976][ T7893] sock_sendmsg+0xdd/0x130 [ 56.340389][ T7893] ___sys_sendmsg+0x3e2/0x930 [ 56.345179][ T7893] ? copy_msghdr_from_user+0x430/0x430 [ 56.350665][ T7893] ? __lock_acquire+0x548/0x3fb0 [ 56.355615][ T7893] ? mark_held_locks+0xf0/0xf0 [ 56.360391][ T7893] ? kasan_check_read+0x11/0x20 [ 56.365248][ T7893] ? __lock_acquire+0x242a/0x3fb0 [ 56.370278][ T7893] ? __might_fault+0x12b/0x1e0 [ 56.375031][ T7893] ? find_held_lock+0x35/0x130 [ 56.379797][ T7893] ? __might_fault+0x12b/0x1e0 [ 56.384582][ T7893] ? lock_downgrade+0x880/0x880 [ 56.389439][ T7893] ? ___might_sleep+0x163/0x280 [ 56.394298][ T7893] __sys_sendmmsg+0x1bf/0x4d0 [ 56.398980][ T7893] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 56.404229][ T7893] ? __sys_connect+0x12d/0x330 [ 56.409109][ T7893] ? __ia32_sys_accept+0xb0/0xb0 [ 56.415212][ T7893] ? kasan_check_write+0x14/0x20 [ 56.420146][ T7893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.425599][ T7893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.431076][ T7893] ? do_syscall_64+0x26/0x610 [ 56.435767][ T7893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.441826][ T7893] ? do_syscall_64+0x26/0x610 [ 56.446660][ T7893] __x64_sys_sendmmsg+0x9d/0x100 [ 56.451601][ T7893] do_syscall_64+0x103/0x610 [ 56.456209][ T7893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.462110][ T7893] RIP: 0033:0x441929 [ 56.466010][ T7893] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 bb 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.485647][ T7893] RSP: 002b:00007ffcb0140138 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.494105][ T7893] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441929 [ 56.503828][ T7893] RDX: 04000000000000eb RSI: 000000002000d180 RDI: 0000000000000003 [ 56.511796][ T7893] RBP: 00000000004a8fd0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 56.519849][ T7893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402e70 [ 56.527817][ T7893] R13: 0000000000402f00 R14: 0000000000000000 R15: 0000000000000000 [ 56.536772][ T7893] Kernel Offset: disabled [ 56.541182][ T7893] Rebooting in 86400 seconds..