forked to background, child pid 3174 no interfaces have a carrier [ 26.654354][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.670180][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.205' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 48.416742][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program [ 48.613284][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program [ 48.791356][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.869117][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program [ 49.016355][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program [ 49.159332][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 49.226571][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 49.282198][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program [ 49.435833][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program [ 49.527954][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program [ 49.650825][ C1] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 49.662566][ C1] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 49.670970][ C1] CPU: 1 PID: 3695 Comm: syz-executor864 Not tainted 5.18.0-rc3-syzkaller-00224-g5fd1fe4807f9 #0 [ 49.681485][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.691548][ C1] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 49.698003][ C1] Code: 48 c1 ea 03 80 3c 02 00 0f 85 e5 07 00 00 4c 8b b3 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c9 07 00 00 48 8b 3c 24 48 89 de 41 ff 56 08 48 [ 49.717603][ C1] RSP: 0018:ffffc90000de0588 EFLAGS: 00010202 [ 49.723654][ C1] RAX: dffffc0000000000 RBX: ffff888076490330 RCX: 0000000000000100 [ 49.731614][ C1] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 49.739588][ C1] RBP: ffff88806ee1c7f8 R08: 0000000000000000 R09: 0000000000000000 [ 49.747557][ C1] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff88806ee1bfc0 [ 49.755518][ C1] R13: ffff88801b0e0368 R14: 0000000000000000 R15: 0000000000000000 [ 49.763479][ C1] FS: 00007f517fe58700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.772524][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.779097][ C1] CR2: 00007ffcead76960 CR3: 000000006f97b000 CR4: 00000000003506e0 [ 49.787055][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.795017][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.802979][ C1] Call Trace: [ 49.806251][ C1] [ 49.809097][ C1] tcp_v6_syn_recv_sock+0x199/0x23b0 [ 49.814376][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.820609][ C1] ? xfrm_lookup_with_ifid+0xa6b/0x2240 [ 49.826187][ C1] ? tcp_v6_parse_md5_keys+0x7d0/0x7d0 [ 49.831670][ C1] ? ip6_finish_output2+0x14b0/0x1500 [ 49.837039][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 49.842579][ C1] ? kmem_cache_alloc+0x2ef/0x3b0 [ 49.847596][ C1] ? cookie_ecn_ok+0x54/0x140 [ 49.852257][ C1] tcp_get_cookie_sock+0xc9/0x850 [ 49.857279][ C1] ? cookie_ecn_ok+0x140/0x140 [ 49.862052][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 49.868279][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.874508][ C1] ? tcp_select_initial_window+0x1e7/0x380 [ 49.880385][ C1] cookie_v6_check+0x15c3/0x2340 [ 49.885345][ C1] ? cookie_v6_init_sequence+0xf0/0xf0 [ 49.890788][ C1] ? sk_filter_trim_cap+0x372/0x9a0 [ 49.895974][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 49.900841][ C1] ? bpf_xdp_redirect+0x160/0x160 [ 49.905856][ C1] ? tcp_v6_do_rcv+0xff5/0x13b0 [ 49.910720][ C1] tcp_v6_do_rcv+0x1148/0x13b0 [ 49.915472][ C1] ? __sanitizer_cov_trace_const_cmp8+0x41/0x70 [ 49.921693][ C1] ? tcp_v6_fill_cb+0x393/0x4a0 [ 49.926529][ C1] tcp_v6_rcv+0x3305/0x3840 [ 49.931025][ C1] ? tcp_v6_err+0x1850/0x1850 [ 49.935691][ C1] ? rawv6_rcv+0x1290/0x1290 [ 49.940274][ C1] ip6_protocol_deliver_rcu+0x2e9/0x1900 [ 49.945899][ C1] ? batadv_hard_if_event.cold+0x40/0xb1 [ 49.951523][ C1] ip6_input_finish+0x14c/0x2c0 [ 49.956367][ C1] ip6_input+0x9c/0xd0 [ 49.961472][ C1] ipv6_rcv+0x27f/0x3b0 [ 49.965700][ C1] ? ip6_rcv_core+0x1c50/0x1c50 [ 49.970545][ C1] __netif_receive_skb_one_core+0x114/0x180 [ 49.976432][ C1] ? __netif_receive_skb_core+0x3a60/0x3a60 [ 49.982345][ C1] ? mark_held_locks+0x9f/0xe0 [ 49.987122][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 49.992057][ C1] __netif_receive_skb+0x24/0x1b0 [ 49.997092][ C1] process_backlog+0x3a0/0x7c0 [ 50.001844][ C1] ? mark_held_locks+0x9f/0xe0 [ 50.006615][ C1] __napi_poll+0xb3/0x6e0 [ 50.010936][ C1] net_rx_action+0x8ec/0xc60 [ 50.015517][ C1] ? napi_threaded_poll+0x520/0x520 [ 50.020711][ C1] __do_softirq+0x29b/0x9c2 [ 50.025202][ C1] __irq_exit_rcu+0x123/0x180 [ 50.030118][ C1] irq_exit_rcu+0x5/0x20 [ 50.034352][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 50.039988][ C1] [ 50.042904][ C1] [ 50.045842][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 50.051840][ C1] RIP: 0010:lock_is_held_type+0xff/0x140 [ 50.057469][ C1] Code: 00 00 b8 ff ff ff ff 65 0f c1 05 24 b9 98 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 [ 50.077070][ C1] RSP: 0018:ffffc9000324f0c8 EFLAGS: 00000282 [ 50.083148][ C1] RAX: 0000000000000046 RBX: 0000000000000003 RCX: 0000000000000001 [ 50.091127][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 50.099087][ C1] RBP: ffffffff8bd81d20 R08: 0000000000000000 R09: ffffffff8db86317 [ 50.107044][ C1] R10: fffffbfff1b70c62 R11: 0000000000000000 R12: ffff88801e06ba00 [ 50.115002][ C1] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801e06c4b0 [ 50.122992][ C1] rcu_read_lock_sched_held+0x3a/0x70 [ 50.128363][ C1] lock_release+0x522/0x720 [ 50.132857][ C1] ? is_bpf_text_address+0x77/0x170 [ 50.138043][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 50.142890][ C1] ? unwind_next_frame+0xee1/0x1ce0 [ 50.148078][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.154144][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.159856][ C1] is_bpf_text_address+0x99/0x170 [ 50.164874][ C1] kernel_text_address+0x39/0x80 [ 50.169825][ C1] __kernel_text_address+0x9/0x30 [ 50.174837][ C1] unwind_get_return_address+0x51/0x90 [ 50.180283][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 50.185478][ C1] arch_stack_walk+0x93/0xe0 [ 50.190059][ C1] stack_trace_save+0x8c/0xc0 [ 50.194754][ C1] ? filter_irq_stacks+0x90/0x90 [ 50.199685][ C1] ? __lock_acquire+0x163e/0x56c0 [ 50.204709][ C1] kasan_save_stack+0x1e/0x40 [ 50.209382][ C1] ? kasan_save_stack+0x1e/0x40 [ 50.214281][ C1] ? __kasan_slab_alloc+0x90/0xc0 [ 50.219290][ C1] ? kmem_cache_alloc+0x204/0x3b0 [ 50.224298][ C1] ? __kernfs_new_node+0xd4/0x8b0 [ 50.229306][ C1] ? kernfs_new_node+0x93/0x120 [ 50.234140][ C1] ? __kernfs_create_file+0x51/0x350 [ 50.239409][ C1] ? sysfs_add_file_mode_ns+0x20f/0x3f0 [ 50.244940][ C1] ? internal_create_group+0x322/0xb10 [ 50.250383][ C1] ? internal_create_groups.part.0+0x90/0x140 [ 50.256452][ C1] ? sysfs_create_groups+0x25/0x50 [ 50.261571][ C1] ? kobject_add_internal+0x31d/0x900 [ 50.266931][ C1] ? kobject_init_and_add+0x101/0x160 [ 50.272287][ C1] ? netdev_queue_update_kobjects+0x1ff/0x4e0 [ 50.278337][ C1] ? netdev_register_kobject+0x35a/0x430 [ 50.283961][ C1] ? register_netdevice+0xd9d/0x15b0 [ 50.289239][ C1] ? register_netdev+0x2d/0x50 [ 50.293992][ C1] ? ip6gre_init_net+0x3cd/0x630 [ 50.298966][ C1] ? ops_init+0xaf/0x470 [ 50.303197][ C1] ? setup_net+0x5d1/0xc50 [ 50.307600][ C1] ? copy_net_ns+0x318/0x760 [ 50.312180][ C1] ? create_new_namespaces+0x3f6/0xb20 [ 50.317626][ C1] ? unshare_nsproxy_namespaces+0xc1/0x1f0 [ 50.323425][ C1] ? ksys_unshare+0x445/0x920 [ 50.328112][ C1] ? __x64_sys_unshare+0x2d/0x40 [ 50.333035][ C1] ? do_syscall_64+0x35/0xb0 [ 50.337701][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.343763][ C1] ? find_held_lock+0x2d/0x110 [ 50.348526][ C1] ? kmem_cache_alloc+0x46/0x3b0 [ 50.353458][ C1] ? kasan_unpoison+0x40/0x70 [ 50.358131][ C1] __kasan_slab_alloc+0x90/0xc0 [ 50.362982][ C1] kmem_cache_alloc+0x204/0x3b0 [ 50.367831][ C1] __kernfs_new_node+0xd4/0x8b0 [ 50.372679][ C1] ? kernfs_path_from_node+0x60/0x60 [ 50.377982][ C1] ? up_write+0x148/0x470 [ 50.382296][ C1] ? kernfs_activate+0x1c4/0x240 [ 50.387222][ C1] kernfs_new_node+0x93/0x120 [ 50.391887][ C1] __kernfs_create_file+0x51/0x350 [ 50.396991][ C1] sysfs_add_file_mode_ns+0x20f/0x3f0 [ 50.402923][ C1] internal_create_group+0x322/0xb10 [ 50.408197][ C1] ? sysfs_remove_group+0x170/0x170 [ 50.413390][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 50.419622][ C1] ? sysfs_create_dir_ns+0x139/0x290 [ 50.424917][ C1] ? sysfs_create_dir_ns+0x177/0x290 [ 50.430282][ C1] ? sysfs_create_mount_point+0xb0/0xb0 [ 50.435817][ C1] internal_create_groups.part.0+0x90/0x140 [ 50.441707][ C1] sysfs_create_groups+0x25/0x50 [ 50.446647][ C1] kobject_add_internal+0x31d/0x900 [ 50.451835][ C1] kobject_init_and_add+0x101/0x160 [ 50.457252][ C1] ? kobject_create_and_add+0xb0/0xb0 [ 50.462619][ C1] ? ops_init+0xaf/0x470 [ 50.466855][ C1] ? unshare_nsproxy_namespaces+0xc1/0x1f0 [ 50.472667][ C1] ? ksys_unshare+0x445/0x920 [ 50.477336][ C1] ? __x64_sys_unshare+0x2d/0x40 [ 50.482265][ C1] ? do_syscall_64+0x35/0xb0 [ 50.486863][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.492921][ C1] ? kernfs_get.part.0+0x5e/0x80 [ 50.497849][ C1] netdev_queue_update_kobjects+0x1ff/0x4e0 [ 50.503742][ C1] netdev_register_kobject+0x35a/0x430 [ 50.509204][ C1] register_netdevice+0xd9d/0x15b0 [ 50.514311][ C1] ? netdev_change_features+0xb0/0xb0 [ 50.519697][ C1] ? memcpy+0x39/0x60 [ 50.523664][ C1] ? alloc_netdev_mqs+0xcee/0x1100 [ 50.528759][ C1] register_netdev+0x2d/0x50 [ 50.533334][ C1] ip6gre_init_net+0x3cd/0x630 [ 50.538084][ C1] ? ip6gre_tunnel_uninit+0x460/0x460 [ 50.543444][ C1] ops_init+0xaf/0x470 [ 50.547499][ C1] setup_net+0x5d1/0xc50 [ 50.551733][ C1] ? down_read_killable+0x1a7/0x480 [ 50.556950][ C1] ? ops_init+0x470/0x470 [ 50.561265][ C1] ? trace_kmalloc+0x32/0xf0 [ 50.565853][ C1] copy_net_ns+0x318/0x760 [ 50.570258][ C1] create_new_namespaces+0x3f6/0xb20 [ 50.575622][ C1] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 50.581246][ C1] ksys_unshare+0x445/0x920 [ 50.585737][ C1] ? unshare_fd+0x1c0/0x1c0 [ 50.590227][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 50.596383][ C1] __x64_sys_unshare+0x2d/0x40 [ 50.601133][ C1] do_syscall_64+0x35/0xb0 [ 50.605536][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.611435][ C1] RIP: 0033:0x7f517fea69f9 [ 50.615849][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 50.635438][ C1] RSP: 002b:00007f517fe58318 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 50.643846][ C1] RAX: ffffffffffffffda RBX: 00007f517ff2e408 RCX: 00007f517fea69f9 [ 50.651806][ C1] RDX: 00007f517fe58700 RSI: a2238a6d69231a83 RDI: 000000006c060000 [ 50.659762][ C1] RBP: 00007f517ff2e400 R08: 00007f517fe58700 R09: 0000000000000000 [ 50.667720][ C1] R10: 00007f517fe58700 R11: 0000000000000246 R12: 00007f517fefc074 [ 50.675696][ C1] R13: 00007ffceace73df R14: 00007f517fe58400 R15: 0000000000022000 [ 50.683658][ C1] [ 50.686656][ C1] Modules linked in: [ 50.690618][ C1] ---[ end trace 0000000000000000 ]--- [ 50.696059][ C1] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 50.702518][ C1] Code: 48 c1 ea 03 80 3c 02 00 0f 85 e5 07 00 00 4c 8b b3 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c9 07 00 00 48 8b 3c 24 48 89 de 41 ff 56 08 48 [ 50.722164][ C1] RSP: 0018:ffffc90000de0588 EFLAGS: 00010202 [ 50.728230][ C1] RAX: dffffc0000000000 RBX: ffff888076490330 RCX: 0000000000000100 [ 50.736229][ C1] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 50.744220][ C1] RBP: ffff88806ee1c7f8 R08: 0000000000000000 R09: 0000000000000000 [ 50.752205][ C1] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff88806ee1bfc0 [ 50.760183][ C1] R13: ffff88801b0e0368 R14: 0000000000000000 R15: 0000000000000000 [ 50.768185][ C1] FS: 00007f517fe58700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.777136][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.783736][ C1] CR2: 00007ffcead76960 CR3: 000000006f97b000 CR4: 00000000003506e0 [ 50.791741][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.799806][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.807797][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 50.815219][ C1] Kernel Offset: disabled [ 50.819530][ C1] Rebooting in 86400 seconds..