[ 39.039195][ T26] audit: type=1800 audit(1555444283.459:25): pid=7714 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.060881][ T26] audit: type=1800 audit(1555444283.469:26): pid=7714 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.102942][ T26] audit: type=1800 audit(1555444283.469:27): pid=7714 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.123820][ T26] audit: type=1800 audit(1555444283.469:28): pid=7714 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.50' (ECDSA) to the list of known hosts. syzkaller login: [ 64.527822][ T7866] IPVS: ftp: loaded support on port[0] = 21 [ 64.583269][ T7866] chnl_net:caif_netlink_parms(): no params data found [ 64.613991][ T7866] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.623518][ T7866] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.633336][ T7866] device bridge_slave_0 entered promiscuous mode [ 64.642265][ T7866] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.650499][ T7866] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.661154][ T7866] device bridge_slave_1 entered promiscuous mode [ 64.678917][ T7866] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.691123][ T7866] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.710789][ T7866] team0: Port device team_slave_0 added [ 64.720430][ T7866] team0: Port device team_slave_1 added [ 64.774700][ T7866] device hsr_slave_0 entered promiscuous mode [ 64.813025][ T7866] device hsr_slave_1 entered promiscuous mode [ 64.890517][ T7866] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.898302][ T7866] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.907636][ T7866] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.914843][ T7866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.944773][ T7866] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.957094][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.972125][ T3756] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.981313][ T3756] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.991137][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.003941][ T7866] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.015726][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.024792][ T2996] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.032535][ T2996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.054232][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.063805][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.071711][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.080434][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.089813][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.099291][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.109140][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.118472][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.130563][ T7866] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 65.149628][ T7866] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.162998][ T7866] ------------[ cut here ]------------ [ 65.169261][ T7866] hsr_addr_subst_dest: Unknown node [ 65.175753][ T7866] WARNING: CPU: 0 PID: 7866 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x382/0x460 [ 65.186667][ T7866] Kernel panic - not syncing: panic_on_warn set ... [ 65.193622][ T7866] CPU: 0 PID: 7866 Comm: syz-executor639 Not tainted 5.1.0-rc5+ #70 [ 65.203069][ T7866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.214713][ T7866] Call Trace: [ 65.218670][ T7866] dump_stack+0x172/0x1f0 [ 65.224088][ T7866] ? hsr_addr_subst_dest+0x380/0x460 [ 65.230122][ T7866] panic+0x2cb/0x65c [ 65.234767][ T7866] ? __warn_printk+0xf3/0xf3 [ 65.240349][ T7866] ? hsr_addr_subst_dest+0x382/0x460 [ 65.246791][ T7866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.253631][ T7866] ? __warn.cold+0x5/0x45 [ 65.259160][ T7866] ? __warn+0xe8/0x1d0 [ 65.264433][ T7866] ? hsr_addr_subst_dest+0x382/0x460 [ 65.270973][ T7866] __warn.cold+0x20/0x45 [ 65.275658][ T7866] ? vprintk_emit+0x1ce/0x6d0 [ 65.280671][ T7866] ? hsr_addr_subst_dest+0x382/0x460 [ 65.286795][ T7866] report_bug+0x263/0x2b0 [ 65.291802][ T7866] do_error_trap+0x11b/0x200 [ 65.297567][ T7866] do_invalid_op+0x37/0x50 [ 65.303143][ T7866] ? hsr_addr_subst_dest+0x382/0x460 [ 65.309112][ T7866] invalid_op+0x14/0x20 [ 65.313706][ T7866] RIP: 0010:hsr_addr_subst_dest+0x382/0x460 [ 65.320802][ T7866] Code: 89 de e8 11 a9 6a fa 84 db 75 d3 e8 c8 a7 6a fa 48 c7 c6 c0 4e 19 88 48 c7 c7 80 4e 19 88 c6 05 32 a2 54 02 01 e8 ac 55 3d fa <0f> 0b eb b0 e8 a5 a7 6a fa 0f b6 1d 1e a2 54 02 31 ff 89 de e8 d5 [ 65.342164][ T7866] RSP: 0018:ffff88808f2675f0 EFLAGS: 00010282 [ 65.348708][ T7866] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 65.357707][ T7866] RDX: 0000000000000000 RSI: ffffffff815afcb6 RDI: ffffed1011e4ceb0 [ 65.366286][ T7866] RBP: ffff88808f267630 R08: ffff88808c204580 R09: ffff88808c204e20 [ 65.375832][ T7866] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a8b7ed60 [ 65.384533][ T7866] R13: 0000000000000000 R14: 00000000e2107f3f R15: 0000000000000000 [ 65.393366][ T7866] ? vprintk_func+0x86/0x189 [ 65.398255][ T7866] hsr_forward_skb+0x123c/0x1bd0 [ 65.403726][ T7866] hsr_dev_xmit+0x72/0xa0 [ 65.408941][ T7866] dev_hard_start_xmit+0x1b2/0x980 [ 65.414725][ T7866] __dev_queue_xmit+0x271d/0x3060 [ 65.420412][ T7866] ? __might_fault+0x12b/0x1e0 [ 65.425781][ T7866] ? find_held_lock+0x35/0x130 [ 65.430898][ T7866] ? netdev_pick_tx+0x300/0x300 [ 65.436007][ T7866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 65.442738][ T7866] ? iov_iter_advance+0x295/0xf70 [ 65.448345][ T7866] dev_queue_xmit+0x18/0x20 [ 65.453048][ T7866] ? dev_queue_xmit+0x18/0x20 [ 65.458137][ T7866] pppoe_sendmsg+0x657/0x7e0 [ 65.462767][ T7866] ? ether_setup+0x2d0/0x2d0 [ 65.467901][ T7866] ? pppoe_getname+0x120/0x120 [ 65.472799][ T7866] ? tomoyo_socket_sendmsg+0x26/0x30 [ 65.478482][ T7866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.484981][ T7866] ? security_socket_sendmsg+0x93/0xc0 [ 65.491235][ T7866] ? pppoe_getname+0x120/0x120 [ 65.496319][ T7866] sock_sendmsg+0xdd/0x130 [ 65.501399][ T7866] ___sys_sendmsg+0x3e2/0x930 [ 65.506615][ T7866] ? copy_msghdr_from_user+0x430/0x430 [ 65.512390][ T7866] ? mark_held_locks+0xf0/0xf0 [ 65.517510][ T7866] ? kasan_check_read+0x11/0x20 [ 65.522821][ T7866] ? __lock_acquire+0x242a/0x3fb0 [ 65.528455][ T7866] ? reacquire_held_locks+0xfb/0x520 [ 65.534548][ T7866] ? release_sock+0x158/0x1c0 [ 65.539594][ T7866] ? find_held_lock+0x35/0x130 [ 65.544554][ T7866] ? release_sock+0x158/0x1c0 [ 65.549647][ T7866] ? __local_bh_enable_ip+0x15a/0x270 [ 65.555338][ T7866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.561995][ T7866] ? __fget_light+0x1a9/0x230 [ 65.567141][ T7866] ? __fdget+0x1b/0x20 [ 65.571396][ T7866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 65.577755][ T7866] ? sockfd_lookup_light+0xcb/0x180 [ 65.583207][ T7866] __sys_sendmmsg+0x1bf/0x4d0 [ 65.588574][ T7866] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 65.594612][ T7866] ? __sys_connect+0x12d/0x330 [ 65.600462][ T7866] ? __ia32_sys_accept+0xb0/0xb0 [ 65.606374][ T7866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.613182][ T7866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.620120][ T7866] ? do_syscall_64+0x26/0x610 [ 65.626520][ T7866] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.633278][ T7866] ? do_syscall_64+0x26/0x610 [ 65.639063][ T7866] __x64_sys_sendmmsg+0x9d/0x100 [ 65.645309][ T7866] do_syscall_64+0x103/0x610 [ 65.650721][ T7866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.659087][ T7866] RIP: 0033:0x441929 [ 65.664696][ T7866] 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 [ 65.687304][ T7866] RSP: 002b:00007fff99f83ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 65.698080][ T7866] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441929 [ 65.707459][ T7866] RDX: 0400000000000191 RSI: 000000002000d180 RDI: 0000000000000003 [ 65.717461][ T7866] RBP: 00000000004a8fd0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 65.729389][ T7866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402e70 [ 65.740417][ T7866] R13: 0000000000402f00 R14: 0000000000000000 R15: 0000000000000000 [ 65.750721][ T7866] Kernel Offset: disabled [ 65.755965][ T7866] Rebooting in 86400 seconds..