[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. syzkaller login: [ 39.021578] IPVS: ftp: loaded support on port[0] = 21 [ 39.141059] chnl_net:caif_netlink_parms(): no params data found [ 39.229961] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.239484] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.250293] device bridge_slave_0 entered promiscuous mode [ 39.260603] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.270501] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.278996] device bridge_slave_1 entered promiscuous mode [ 39.301659] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.311595] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.332356] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.342675] team0: Port device team_slave_0 added [ 39.349113] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.357003] team0: Port device team_slave_1 added [ 39.373719] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.380530] 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. [ 39.407178] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.419372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.426909] 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. [ 39.454965] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.466855] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.475002] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.498228] device hsr_slave_0 entered promiscuous mode [ 39.504894] device hsr_slave_1 entered promiscuous mode [ 39.512762] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.523433] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.608821] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.616131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.623906] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.630518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.666591] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 39.673478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.685507] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.696459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.706215] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.715301] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.725369] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.737864] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.745908] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.756781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.766238] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.773024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.784625] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.793218] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.799983] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.818441] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.827100] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.839063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.853064] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 39.865107] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 39.878036] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 39.886322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.894714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.903357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.918645] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 39.928260] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.936246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.947898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.962640] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 39.974086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.014849] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 40.023061] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 40.030799] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 40.041410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.050546] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.058707] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.069517] device veth0_vlan entered promiscuous mode [ 40.080061] device veth1_vlan entered promiscuous mode [ 40.087777] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 40.097446] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 40.110769] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 40.121655] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.130549] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.139571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.151197] device veth0_macvtap entered promiscuous mode [ 40.161031] device veth1_macvtap entered promiscuous mode [ 40.171296] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 40.181727] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 40.192559] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 40.200727] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.208490] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.217261] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.229890] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 40.239037] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.248568] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.257208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.387192] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 40.395572] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.408306] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.424253] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 40.437145] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 40.444103] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.451790] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.459941] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.564463] skbuff: skb_over_panic: text:000000003df0c3bb len:736 put:72 head:00000000249aec86 data:00000000249aec86 tail:0x2e0 end:0x2c0 dev: [ 40.582088] ------------[ cut here ]------------ [ 40.588082] kernel BUG at net/core/skbuff.c:104! [ 40.595658] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 40.601147] CPU: 1 PID: 8368 Comm: syz-executor993 Not tainted 4.19.171-syzkaller #0 [ 40.609492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.619145] RIP: 0010:skb_panic+0x172/0x174 [ 40.623479] Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 31 22 e2 ff <0f> 0b e8 fc e7 53 f9 4c 8b 64 24 18 e8 42 84 89 f9 48 c7 c1 c0 dc [ 40.644009] RSP: 0018:ffff88809c2fefa8 EFLAGS: 00010286 [ 40.650221] RAX: 0000000000000088 RBX: ffff8880ab2583c0 RCX: 0000000000000000 [ 40.657779] RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed101385fde7 [ 40.666023] RBP: ffffffff894bdd00 R08: 0000000000000088 R09: 0000000000000000 [ 40.674153] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208273 [ 40.682627] R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000002c0 [ 40.690998] FS: 00007fd48dd7c700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 40.700693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.706907] CR2: 00007fd48dd7bdb8 CR3: 00000000a921c000 CR4: 00000000001406e0 [ 40.714403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.722262] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.730787] Call Trace: [ 40.733597] ? pfkey_send_acquire+0x1853/0x2520 [ 40.739070] skb_put.cold+0x24/0x24 [ 40.742978] pfkey_send_acquire+0x1853/0x2520 [ 40.747980] km_query+0xc5/0x210 [ 40.751411] xfrm_state_find+0x1c6c/0x2cb0 [ 40.756016] ? xfrm_state_afinfo_get_rcu+0xe0/0xe0 [ 40.761128] ? __lock_acquire+0x6de/0x3ff0 [ 40.765672] ? __lock_acquire+0x6de/0x3ff0 [ 40.769918] xfrm_tmpl_resolve+0x2f3/0xc20 [ 40.774506] ? xfrm_net_init+0x990/0x990 [ 40.778815] ? rt_set_nexthop.constprop.0+0x59c/0xf10 [ 40.784433] ? xfrm_sk_policy_lookup+0x4cd/0x690 [ 40.789620] xfrm_resolve_and_create_bundle+0xd8/0x3e0 [ 40.794925] ? xfrm_tmpl_resolve+0xc20/0xc20 [ 40.799971] ? xfrm_sk_policy_lookup+0x4f4/0x690 [ 40.805401] ? xfrm_selector_match+0xf60/0xf60 [ 40.810419] ? xfrm_expand_policies+0x418/0x5e0 [ 40.815885] xfrm_lookup_with_ifid+0x243/0x1cb0 [ 40.821243] ? lock_acquire+0x170/0x3c0 [ 40.825450] ? xfrm_expand_policies+0x5e0/0x5e0 [ 40.830557] ? check_preemption_disabled+0x41/0x280 [ 40.836205] ? ip_route_output_key_hash+0x21d/0x320 [ 40.841587] ? ip_route_output_key_hash_rcu+0x3060/0x3060 [ 40.847743] xfrm_lookup_route+0x36/0x1e0 [ 40.852613] ip_route_output_flow+0x114/0x150 [ 40.857476] udp_sendmsg+0x19ce/0x2550 [ 40.861860] ? ip_do_fragment+0x22c0/0x22c0 [ 40.867178] ? finish_task_switch+0x118/0x760 [ 40.872375] ? udp_seq_next+0x80/0x80 [ 40.877111] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.882356] ? _raw_spin_unlock_irq+0x5a/0x80 [ 40.888085] ? rw_copy_check_uvector+0x27c/0x340 [ 40.894000] ? aa_sk_perm+0x534/0x930 [ 40.898090] ? aa_af_perm+0x230/0x230 [ 40.902382] ? kernel_recvmsg+0x220/0x220 [ 40.906801] inet_sendmsg+0x132/0x5a0 [ 40.911266] ? security_socket_sendmsg+0x83/0xb0 [ 40.916993] ? inet_recvmsg+0x5c0/0x5c0 [ 40.924211] sock_sendmsg+0xc3/0x120 [ 40.933601] ___sys_sendmsg+0x3b3/0x8e0 [ 40.942432] ? copy_msghdr_from_user+0x440/0x440 [ 40.951001] ? __fget+0x32f/0x510 [ 40.954958] ? mark_held_locks+0xf0/0xf0 [ 40.960219] ? lock_downgrade+0x720/0x720 [ 40.964677] ? check_preemption_disabled+0x41/0x280 [ 40.970211] ? check_preemption_disabled+0x41/0x280 [ 40.975815] ? __fget+0x356/0x510 [ 40.980064] ? __might_fault+0x11f/0x1d0 [ 40.984142] ? lock_downgrade+0x720/0x720 [ 40.989143] ? lock_acquire+0x170/0x3c0 [ 40.993895] __sys_sendmmsg+0x195/0x470 [ 40.998811] ? __ia32_sys_sendmsg+0x220/0x220 [ 41.004829] ? aa_sk_perm+0x534/0x930 [ 41.009011] ? ip_setsockopt+0x5e/0xf0 [ 41.013389] ? __se_sys_futex+0x28f/0x3b0 [ 41.017857] ? __se_sys_futex+0x298/0x3b0 [ 41.022229] ? do_futex+0x1c70/0x1c70 [ 41.026054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.031954] __x64_sys_sendmmsg+0x99/0x100 [ 41.036374] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 41.041728] do_syscall_64+0xf9/0x620 [ 41.045747] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.051117] RIP: 0033:0x44b4c9 [ 41.054457] Code: e8 4c 14 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 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.074425] RSP: 002b:00007fd48dd7bce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 41.083341] RAX: ffffffffffffffda RBX: 00000000006e1c58 RCX: 000000000044b4c9 [ 41.090626] RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 [ 41.097989] RBP: 00000000006e1c50 R08: 0000000000000000 R09: 0000000000000000 [ 41.106011] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e1c5c [ 41.113727] R13: 00007ffeb5645b2f R14: 00007fd48dd7c9c0 R15: 00000000006e1c5c [ 41.121711] Modules linked in: [ 41.130427] Bluetooth: hci0: command 0x0409 tx timeout [ 41.142910] ---[ end trace 04c99e1eb811a621 ]--- [ 41.147902] RIP: 0010:skb_panic+0x172/0x174 [ 41.152363] Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 31 22 e2 ff <0f> 0b e8 fc e7 53 f9 4c 8b 64 24 18 e8 42 84 89 f9 48 c7 c1 c0 dc [ 41.172657] RSP: 0018:ffff88809c2fefa8 EFLAGS: 00010286 [ 41.179228] RAX: 0000000000000088 RBX: ffff8880ab2583c0 RCX: 0000000000000000 [ 41.187669] RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed101385fde7 [ 41.197262] RBP: ffffffff894bdd00 R08: 0000000000000088 R09: 0000000000000000 [ 41.206816] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208273 [ 41.215971] R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000002c0 [ 41.225784] FS: 00007fd48dd7c700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 41.235562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.242236] CR2: 00007fd48dd7bdb8 CR3: 00000000a921c000 CR4: 00000000001406e0 [ 41.250301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.258136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.267282] Kernel panic - not syncing: Fatal exception [ 41.275701] Kernel Offset: disabled [ 41.279829] Rebooting in 86400 seconds..