DUID 00:04:63:3c:db:c8:83:d4:2a:b1:e5:3f:fc:31:79:55:3b:bc forked to background, child pid 4872 [ 52.136465][ T4873] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.146701][ T4873] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2022/11/21 16:46:25 fuzzer started 2022/11/21 16:46:26 connecting to host at 10.128.0.169:35775 2022/11/21 16:46:26 checking machine... 2022/11/21 16:46:26 checking revisions... 2022/11/21 16:46:26 testing simple program... syzkaller login: [ 74.369489][ T5299] cgroup: Unknown subsys name 'net' [ 74.524142][ T5299] cgroup: Unknown subsys name 'rlimit' [ 74.785612][ T5304] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.793562][ T5304] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.801804][ T5304] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.810429][ T5304] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.818485][ T5304] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.825845][ T5304] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.994029][ T5302] chnl_net:caif_netlink_parms(): no params data found [ 75.052748][ T5302] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.060602][ T5302] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.069222][ T5302] device bridge_slave_0 entered promiscuous mode [ 75.079272][ T5302] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.086658][ T5302] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.095092][ T5302] device bridge_slave_1 entered promiscuous mode [ 75.121654][ T5302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.133314][ T5302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.162901][ T5302] team0: Port device team_slave_0 added [ 75.171519][ T5302] team0: Port device team_slave_1 added [ 75.195521][ T5302] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.202665][ T5302] 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. [ 75.228940][ T5302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.242585][ T5302] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.249642][ T5302] 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. [ 75.275945][ T5302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.291497][ T14] general protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN [ 75.303329][ T14] KASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf] [ 75.311761][ T14] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.0-rc5-next-20221121-syzkaller #0 [ 75.321157][ T14] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.331242][ T14] Workqueue: ipv6_addrconf addrconf_dad_work [ 75.337269][ T14] RIP: 0010:xfrm_policy_lookup_bytype.cold+0x1c/0x54 [ 75.343980][ T14] Code: 80 44 28 8e e8 9a 88 37 fa e9 28 e7 7b fe e8 c0 25 7a f7 49 8d bf cc 00 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 41 [ 75.363611][ T14] RSP: 0018:ffffc900001371e0 EFLAGS: 00010203 [ 75.369698][ T14] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.377687][ T14] RDX: 0000000000000019 RSI: ffffffff8a068150 RDI: 00000000000000cc [ 75.386032][ T14] RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000 [ 75.394028][ T14] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 75.402371][ T14] R13: ffff8880227f8000 R14: ffffed10044ff2ff R15: 0000000000000000 [ 75.410358][ T14] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.419316][ T14] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.425921][ T14] CR2: 00007fa2bb3de300 CR3: 00000000710a9000 CR4: 00000000003506f0 [ 75.433915][ T14] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.441905][ T14] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.449891][ T14] Call Trace: [ 75.453181][ T14] [ 75.456301][ T14] ? mark_lock.part.0+0xee/0x1910 [ 75.461453][ T14] ? xfrm_policy_match+0x2e0/0x2e0 [ 75.466585][ T14] ? lock_chain_count+0x20/0x20 [ 75.471479][ T14] ? lock_chain_count+0x20/0x20 [ 75.476388][ T14] xfrm_lookup_with_ifid+0x39b/0x20f0 [ 75.481780][ T14] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.487796][ T14] ? xfrm_expand_policies+0x680/0x680 [ 75.493188][ T14] ? decode_session6+0x677/0x1880 [ 75.498319][ T14] ? bpf_lsm_xfrm_decode_session+0x9/0x10 [ 75.504161][ T14] ? security_xfrm_decode_session+0x84/0xb0 [ 75.510253][ T14] xfrmi_xmit+0x3c7/0x1b90 [ 75.514690][ T14] ? xfrmi_exit_batch_net+0x5c0/0x5c0 [ 75.520095][ T14] dev_hard_start_xmit+0x1c2/0x990 [ 75.525241][ T14] __dev_queue_xmit+0x2cdf/0x3ba0 [ 75.530382][ T14] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 75.535712][ T14] ? find_held_lock+0x2d/0x110 [ 75.540516][ T14] ? ip6_finish_output2+0x56c/0x1530 [ 75.545873][ T14] ? mark_held_locks+0x9f/0xe0 [ 75.550932][ T14] ? ___neigh_create+0x188e/0x2a20 [ 75.556074][ T14] ? neigh_connected_output+0x41e/0x520 [ 75.561746][ T14] neigh_connected_output+0x3c4/0x520 [ 75.567154][ T14] ip6_finish_output2+0x56c/0x1530 [ 75.572304][ T14] ip6_finish_output+0x694/0x1170 [ 75.577449][ T14] ip6_output+0x1f1/0x540 [ 75.581811][ T14] ndisc_send_skb+0xa63/0x1740 [ 75.586601][ T14] ? ndisc_ifinfo_sysctl_change+0x600/0x600 [ 75.592520][ T14] ? ndisc_net_init+0x220/0x220 [ 75.597394][ T14] ? skb_set_owner_w+0x26d/0x420 [ 75.602377][ T14] ndisc_send_rs+0x132/0x6f0 [ 75.606997][ T14] addrconf_dad_completed+0x37a/0xda0 [ 75.612401][ T14] ? addrconf_rs_timer+0x870/0x870 [ 75.617533][ T14] ? __local_bh_enable_ip+0xa4/0x130 [ 75.622945][ T14] addrconf_dad_work+0x820/0x12d0 [ 75.627993][ T14] ? addrconf_dad_completed+0xda0/0xda0 [ 75.633565][ T14] process_one_work+0x9bf/0x1710 [ 75.638531][ T14] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 75.643936][ T14] ? rwlock_bug.part.0+0x90/0x90 [ 75.648890][ T14] ? _raw_spin_lock_irq+0x45/0x50 [ 75.653953][ T14] worker_thread+0x669/0x1090 [ 75.658654][ T14] ? __kthread_parkme+0x163/0x220 [ 75.664021][ T14] ? process_one_work+0x1710/0x1710 [ 75.669422][ T14] kthread+0x2e8/0x3a0 [ 75.673519][ T14] ? kthread_complete_and_exit+0x40/0x40 [ 75.679173][ T14] ret_from_fork+0x1f/0x30 [ 75.683639][ T14] [ 75.686669][ T14] Modules linked in: [ 75.690641][ T14] ---[ end trace 0000000000000000 ]--- [ 75.696153][ T14] RIP: 0010:xfrm_policy_lookup_bytype.cold+0x1c/0x54 [ 75.703017][ T14] Code: 80 44 28 8e e8 9a 88 37 fa e9 28 e7 7b fe e8 c0 25 7a f7 49 8d bf cc 00 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 41 [ 75.723149][ T14] RSP: 0018:ffffc900001371e0 EFLAGS: 00010203 [ 75.729376][ T14] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.737689][ T14] RDX: 0000000000000019 RSI: ffffffff8a068150 RDI: 00000000000000cc [ 75.745742][ T14] RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000 [ 75.754159][ T14] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 75.762205][ T14] R13: ffff8880227f8000 R14: ffffed10044ff2ff R15: 0000000000000000 [ 75.770251][ T14] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.779502][ T14] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.786138][ T14] CR2: 00007fa2bb3de300 CR3: 00000000710a9000 CR4: 00000000003506f0 [ 75.794124][ T14] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.802143][ T14] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.810169][ T14] Kernel panic - not syncing: Fatal exception in interrupt [ 75.817777][ T14] Kernel Offset: disabled [ 75.822203][ T14] Rebooting in 86400 seconds..