[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.73' (ECDSA) to the list of known hosts.
syzkaller login: [   34.431248] IPVS: ftp: loaded support on port[0] = 21
[   34.502687] chnl_net:caif_netlink_parms(): no params data found
[   34.582642] bridge0: port 1(bridge_slave_0) entered blocking state
[   34.589536] bridge0: port 1(bridge_slave_0) entered disabled state
[   34.597997] device bridge_slave_0 entered promiscuous mode
[   34.605728] bridge0: port 2(bridge_slave_1) entered blocking state
[   34.612470] bridge0: port 2(bridge_slave_1) entered disabled state
[   34.619606] device bridge_slave_1 entered promiscuous mode
[   34.637170] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   34.646299] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   34.667087] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   34.674643] team0: Port device team_slave_0 added
[   34.681370] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   34.689614] team0: Port device team_slave_1 added
[   34.706834] batman_adv: batadv0: Adding interface: batadv_slave_0
[   34.713508] 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.
[   34.740881] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   34.753201] batman_adv: batadv0: Adding interface: batadv_slave_1
[   34.761821] 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.
[   34.789129] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   34.804385] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   34.812194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   34.832658] device hsr_slave_0 entered promiscuous mode
[   34.838790] device hsr_slave_1 entered promiscuous mode
[   34.845614] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   34.852786] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   34.918706] bridge0: port 2(bridge_slave_1) entered blocking state
[   34.925844] bridge0: port 2(bridge_slave_1) entered forwarding state
[   34.933075] bridge0: port 1(bridge_slave_0) entered blocking state
[   34.940393] bridge0: port 1(bridge_slave_0) entered forwarding state
[   34.977354] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   34.985342] 8021q: adding VLAN 0 to HW filter on device bond0
[   34.994944] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   35.004537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   35.013512] bridge0: port 1(bridge_slave_0) entered disabled state
[   35.022222] bridge0: port 2(bridge_slave_1) entered disabled state
[   35.029686] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   35.041746] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   35.047864] 8021q: adding VLAN 0 to HW filter on device team0
[   35.058119] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   35.067029] bridge0: port 1(bridge_slave_0) entered blocking state
[   35.073631] bridge0: port 1(bridge_slave_0) entered forwarding state
[   35.083620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   35.091963] bridge0: port 2(bridge_slave_1) entered blocking state
[   35.098514] bridge0: port 2(bridge_slave_1) entered forwarding state
[   35.119080] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   35.129344] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   35.140638] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   35.148044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   35.158055] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   35.166311] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   35.174500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   35.182737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   35.189636] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   35.204790] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[   35.212215] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   35.219564] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   35.230864] 8021q: adding VLAN 0 to HW filter on device batadv0
[   35.267360] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready
[   35.277039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   35.307824] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready
[   35.316053] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready
[   35.323468] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready
[   35.332479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   35.341972] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   35.348941] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   35.361535] device veth0_vlan entered promiscuous mode
[   35.370689] device veth1_vlan entered promiscuous mode
[   35.376915] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready
[   35.386306] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
[   35.397850] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready
[   35.407706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   35.415947] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   35.423635] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   35.434615] device veth0_macvtap entered promiscuous mode
[   35.441370] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
[   35.449401] device veth1_macvtap entered promiscuous mode
[   35.458302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
[   35.468231] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
[   35.478658] batman_adv: batadv0: Interface activated: batadv_slave_0
[   35.486502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   35.495684] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   35.505816] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
[   35.513254] batman_adv: batadv0: Interface activated: batadv_slave_1
[   35.519922] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   35.527983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
executing program
[   35.618481] ------------[ cut here ]------------
[   35.623710] HSR: VLAN not yet supported
[   35.624059] WARNING: CPU: 0 PID: 8107 at net/hsr/hsr_forward.c:336 hsr_forward_skb+0x177e/0x1c30
[   35.637852] Kernel panic - not syncing: panic_on_warn set ...
[   35.637852] 
[   35.646441] CPU: 0 PID: 8107 Comm: syz-executor398 Not tainted 4.19.211-syzkaller #0
[   35.654652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   35.664201] Call Trace:
[   35.667474]  dump_stack+0x1fc/0x2ef
[   35.671085]  panic+0x26a/0x50e
[   35.674355]  ? __warn_printk+0xf3/0xf3
[   35.678501]  ? hsr_forward_skb+0x177e/0x1c30
[   35.683158]  ? __probe_kernel_read+0x130/0x1b0
[   35.687894]  ? __warn.cold+0x5/0x5a
[   35.691597]  ? __warn+0xe4/0x200
[   35.695061]  ? hsr_forward_skb+0x177e/0x1c30
[   35.699469]  __warn.cold+0x20/0x5a
[   35.702999]  ? kvm_sched_clock_read+0x14/0x40
[   35.707572]  ? hsr_forward_skb+0x177e/0x1c30
[   35.711967]  report_bug+0x262/0x2b0
[   35.715583]  do_error_trap+0x1d7/0x310
[   35.719453]  ? math_error+0x310/0x310
[   35.723415]  ? vprintk_store+0x1f0/0x410
[   35.727576]  ? vprintk_emit+0x22d/0x740
[   35.731768]  ? error_entry+0x72/0xd0
[   35.736044]  ? trace_hardirqs_off_caller+0x6e/0x210
[   35.741141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.746389]  invalid_op+0x14/0x20
[   35.749844] RIP: 0010:hsr_forward_skb+0x177e/0x1c30
[   35.755009] Code: 4c 89 ea 48 8b 7c 24 28 e8 df 5a ff ff e9 c7 f5 ff ff e8 55 3f 77 f9 48 c7 c7 20 e3 70 89 c6 05 a6 67 23 03 01 e8 27 77 07 00 <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 89 f0 48 c1 e8 03 0f b6 0c
[   35.774502] RSP: 0018:ffff8880957af7e0 EFLAGS: 00010286
[   35.780460] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   35.787883] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012af5eee
[   35.795139] RBP: ffff8880a91e0e00 R08: 0000000000000000 R09: 0000000000000731
[   35.802497] R10: 0000000000000006 R11: 0000000000000000 R12: ffff8880a91e0ec6
[   35.809927] R13: ffff8880a328e900 R14: ffff8880a2e6884e R15: ffff8880a2e68842
[   35.817287]  ? vprintk_func+0x81/0x180
[   35.821255]  ? rcu_is_watching+0x53/0xc0
[   35.825303]  ? check_preemption_disabled+0x41/0x280
[   35.830320]  hsr_dev_xmit+0x6b/0xa0
[   35.833940]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   35.838971]  dev_hard_start_xmit+0x1a8/0x920
[   35.843369]  __dev_queue_xmit+0x269d/0x2e00
[   35.847676]  ? copyin+0xa4/0xf0
[   35.850937]  ? netdev_pick_tx+0x2f0/0x2f0
[   35.855065]  ? _copy_from_iter+0x30e/0xb80
[   35.859298]  ? skb_copy_datagram_from_iter+0x45f/0x680
[   35.864588]  packet_sendmsg+0x25ae/0x7720
[   35.868766]  ? aa_sk_perm+0x534/0x930
[   35.872560]  ? compat_packet_setsockopt+0x160/0x160
[   35.877651]  ? aa_af_perm+0x230/0x230
[   35.881442]  ? compat_packet_setsockopt+0x160/0x160
[   35.886451]  sock_sendmsg+0xc3/0x120
[   35.890153]  __sys_sendto+0x21a/0x320
[   35.893943]  ? __ia32_sys_getpeername+0xb0/0xb0
[   35.898773]  ? lock_downgrade+0x720/0x720
[   35.902913]  ? up_read+0x17/0x110
[   35.906348]  ? __do_page_fault+0x180/0xd60
[   35.910745]  __x64_sys_sendto+0xdd/0x1b0
[   35.914873]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   35.919548]  do_syscall_64+0xf9/0x620
[   35.923360]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   35.928795] RIP: 0033:0x7fa7699934b9
[   35.932501] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   35.951474] RSP: 002b:00007ffe13bcd3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   35.959166] RAX: ffffffffffffffda RBX: 00007ffe13bcd408 RCX: 00007fa7699934b9
[   35.966588] RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000003
[   35.973929] RBP: 0000000000000003 R08: 0000000020000100 R09: 0000000000000014
[   35.981187] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe13bcd410
[   35.988438] R13: 00007ffe13bcd430 R14: 0000000000000000 R15: 0000000000000000
[   35.996261] Kernel Offset: disabled
[   35.999924] Rebooting in 86400 seconds..