DUID 00:04:08:6f:95:b8:7a:da:47:d5:ae:28:d8:4d:e4:58:2e:6d forked to background, child pid 4870 [ 34.467651][ T4871] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.499702][ T4871] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.88' (ECDSA) to the list of known hosts. 2022/11/21 13:14:42 fuzzer started 2022/11/21 13:14:42 connecting to host at 10.128.0.169:32969 2022/11/21 13:14:42 checking machine... 2022/11/21 13:14:42 checking revisions... 2022/11/21 13:14:42 testing simple program... syzkaller login: [ 52.173373][ T5301] cgroup: Unknown subsys name 'net' [ 52.280252][ T5301] cgroup: Unknown subsys name 'rlimit' [ 52.515270][ T5305] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.523797][ T5305] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.531784][ T5305] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.540730][ T5305] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.550029][ T5305] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.558175][ T5305] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.679898][ T5303] chnl_net:caif_netlink_parms(): no params data found [ 52.725913][ T5303] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.733693][ T5303] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.742014][ T5303] device bridge_slave_0 entered promiscuous mode [ 52.751923][ T5303] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.759323][ T5303] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.767675][ T5303] device bridge_slave_1 entered promiscuous mode [ 52.789101][ T5303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.800434][ T5303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.824496][ T5303] team0: Port device team_slave_0 added [ 52.834142][ T5303] team0: Port device team_slave_1 added [ 52.854644][ T5303] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.862457][ T5303] 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. [ 52.889277][ T5303] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.902327][ T5303] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.909628][ T5303] 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. [ 52.935789][ T5303] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.950169][ T4995] general protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN [ 52.962000][ T4995] KASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf] [ 52.972103][ T4995] CPU: 0 PID: 4995 Comm: kworker/0:3 Not tainted 6.1.0-rc5-next-20221121-syzkaller #0 [ 52.981745][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.991970][ T4995] Workqueue: ipv6_addrconf addrconf_dad_work [ 52.998055][ T4995] RIP: 0010:xfrm_policy_lookup_bytype.cold+0x1c/0x54 [ 53.004738][ T4995] 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 [ 53.024430][ T4995] RSP: 0018:ffffc9000379f1e0 EFLAGS: 00010203 [ 53.030598][ T4995] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.040304][ T4995] RDX: 0000000000000019 RSI: ffffffff8a068150 RDI: 00000000000000cc [ 53.048360][ T4995] RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000 [ 53.056359][ T4995] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 53.064411][ T4995] R13: ffff88802b270000 R14: ffffed100564e2ff R15: 0000000000000000 [ 53.072385][ T4995] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.081605][ T4995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.089019][ T4995] CR2: 00007fd0e7661300 CR3: 0000000071e7b000 CR4: 00000000003506f0 [ 53.097169][ T4995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.105551][ T4995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.113853][ T4995] Call Trace: [ 53.117128][ T4995] [ 53.120061][ T4995] ? mark_lock.part.0+0xee/0x1910 [ 53.125298][ T4995] ? xfrm_policy_match+0x2e0/0x2e0 [ 53.130501][ T4995] ? lock_chain_count+0x20/0x20 [ 53.135373][ T4995] ? lock_chain_count+0x20/0x20 [ 53.140234][ T4995] xfrm_lookup_with_ifid+0x39b/0x20f0 [ 53.145697][ T4995] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 53.152469][ T4995] ? xfrm_expand_policies+0x680/0x680 [ 53.157841][ T4995] ? decode_session6+0x677/0x1880 [ 53.162955][ T4995] ? bpf_lsm_xfrm_decode_session+0x9/0x10 [ 53.168680][ T4995] ? security_xfrm_decode_session+0x84/0xb0 [ 53.174767][ T4995] xfrmi_xmit+0x3c7/0x1b90 [ 53.179308][ T4995] ? xfrmi_exit_batch_net+0x5c0/0x5c0 [ 53.184693][ T4995] dev_hard_start_xmit+0x1c2/0x990 [ 53.189814][ T4995] __dev_queue_xmit+0x2cdf/0x3ba0 [ 53.195108][ T4995] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 53.200411][ T4995] ? find_held_lock+0x2d/0x110 [ 53.205212][ T4995] ? ip6_finish_output2+0x56c/0x1530 [ 53.210622][ T4995] ? mark_held_locks+0x9f/0xe0 [ 53.215410][ T4995] ? ___neigh_create+0x188e/0x2a20 [ 53.220719][ T4995] ? neigh_connected_output+0x41e/0x520 [ 53.226286][ T4995] neigh_connected_output+0x3c4/0x520 [ 53.231756][ T4995] ip6_finish_output2+0x56c/0x1530 [ 53.237141][ T4995] ip6_finish_output+0x694/0x1170 [ 53.242449][ T4995] ip6_output+0x1f1/0x540 [ 53.246812][ T4995] ndisc_send_skb+0xa63/0x1740 [ 53.251593][ T4995] ? ndisc_ifinfo_sysctl_change+0x600/0x600 [ 53.257671][ T4995] ? ndisc_net_init+0x220/0x220 [ 53.262632][ T4995] ? skb_set_owner_w+0x26d/0x420 [ 53.267577][ T4995] ndisc_send_rs+0x132/0x6f0 [ 53.272346][ T4995] addrconf_dad_completed+0x37a/0xda0 [ 53.277884][ T4995] ? addrconf_rs_timer+0x870/0x870 [ 53.283016][ T4995] ? __local_bh_enable_ip+0xa4/0x130 [ 53.288319][ T4995] addrconf_dad_work+0x820/0x12d0 [ 53.293351][ T4995] ? addrconf_dad_completed+0xda0/0xda0 [ 53.299292][ T4995] process_one_work+0x9bf/0x1710 [ 53.304324][ T4995] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 53.309885][ T4995] ? rwlock_bug.part.0+0x90/0x90 [ 53.314923][ T4995] ? _raw_spin_lock_irq+0x45/0x50 [ 53.320073][ T4995] worker_thread+0x669/0x1090 [ 53.324945][ T4995] ? __kthread_parkme+0x163/0x220 [ 53.330004][ T4995] ? process_one_work+0x1710/0x1710 [ 53.335575][ T4995] kthread+0x2e8/0x3a0 [ 53.339656][ T4995] ? kthread_complete_and_exit+0x40/0x40 [ 53.345296][ T4995] ret_from_fork+0x1f/0x30 [ 53.349861][ T4995] [ 53.352887][ T4995] Modules linked in: [ 53.358248][ T4995] ---[ end trace 0000000000000000 ]--- [ 53.363747][ T4995] RIP: 0010:xfrm_policy_lookup_bytype.cold+0x1c/0x54 [ 53.370810][ T4995] 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 [ 53.390651][ T4995] RSP: 0018:ffffc9000379f1e0 EFLAGS: 00010203 [ 53.396847][ T4995] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.404882][ T4995] RDX: 0000000000000019 RSI: ffffffff8a068150 RDI: 00000000000000cc [ 53.413041][ T4995] RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000 [ 53.421107][ T4995] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000 [ 53.429115][ T4995] R13: ffff88802b270000 R14: ffffed100564e2ff R15: 0000000000000000 [ 53.437225][ T4995] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.446545][ T4995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.453264][ T4995] CR2: 00007fd0e7661300 CR3: 0000000071e7b000 CR4: 00000000003506f0 [ 53.461260][ T4995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.469314][ T4995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.477615][ T4995] Kernel panic - not syncing: Fatal exception in interrupt [ 53.484857][ T4995] Kernel Offset: disabled [ 53.489176][ T4995] Rebooting in 86400 seconds..