Warning: Permanently added '10.128.1.183' (ECDSA) to the list of known hosts. 2021/11/19 14:13:55 fuzzer started 2021/11/19 14:13:55 connecting to host at 10.128.0.163:46551 2021/11/19 14:13:55 checking machine... 2021/11/19 14:13:55 checking revisions... 2021/11/19 14:13:55 testing simple program... [ 18.168651][ T23] audit: type=1400 audit(1637331235.280:73): avc: denied { getattr } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 18.174941][ T23] audit: type=1400 audit(1637331235.280:74): avc: denied { read } for pid=362 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 18.181033][ T23] audit: type=1400 audit(1637331235.280:75): avc: denied { open } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 18.185793][ T370] cgroup: Unknown subsys name 'net' [ 18.186789][ T23] audit: type=1400 audit(1637331235.290:76): avc: denied { read } for pid=362 comm="syz-fuzzer" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 18.209283][ T23] audit: type=1400 audit(1637331235.290:77): avc: denied { open } for pid=362 comm="syz-fuzzer" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 18.209463][ T370] cgroup: Unknown subsys name 'devices' [ 18.232763][ T23] audit: type=1400 audit(1637331235.290:78): avc: denied { mounton } for pid=370 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 18.261182][ T23] audit: type=1400 audit(1637331235.290:79): avc: denied { mount } for pid=370 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 18.283660][ T23] audit: type=1400 audit(1637331235.300:80): avc: denied { unmount } for pid=370 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 18.393433][ T370] cgroup: Unknown subsys name 'hugetlb' [ 18.399426][ T370] cgroup: Unknown subsys name 'rlimit' [ 18.473339][ T23] audit: type=1400 audit(1637331235.590:81): avc: denied { setattr } for pid=370 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 18.509812][ T23] audit: type=1400 audit(1637331235.620:82): avc: denied { execmem } for pid=372 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.591862][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 18.598901][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 18.606309][ T373] device bridge_slave_0 entered promiscuous mode [ 18.613144][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 18.620165][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 18.627588][ T373] device bridge_slave_1 entered promiscuous mode [ 18.658964][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 18.666066][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 18.673362][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 18.680465][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 18.699414][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 18.706706][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 18.714308][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 18.722354][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 18.731228][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 18.739632][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 18.746681][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 18.755314][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 18.763629][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 18.770803][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 18.792534][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 18.800946][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 18.809573][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 18.818674][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 18.831859][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 18.840714][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 18.852951][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 18.864063][ T24] ================================================================================ [ 18.873671][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 [ 18.881459][ T24] member access within address ffffc9000019f1c0 with insufficient space [ 18.889876][ T24] for an object of type 'struct sk_buff' [ 18.895545][ T24] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.79-syzkaller-01226-g706ebf15a1f9 #0 [ 18.905432][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.915513][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 18.921487][ T24] Call Trace: [ 18.924781][ T24] dump_stack_lvl+0x1e2/0x24b [ 18.929463][ T24] ? show_regs_print_info+0x18/0x18 [ 18.934829][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 18.940624][ T24] dump_stack+0x15/0x1d [ 18.944774][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 18.950479][ T24] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 18.956364][ T24] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 18.962852][ T24] wg_xmit+0x4a2/0xae0 [ 18.967098][ T24] ? wg_stop+0x140/0x140 [ 18.971351][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 18.977570][ T24] netdev_start_xmit+0x8a/0x160 [ 18.982509][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 18.987635][ T24] __dev_queue_xmit+0xfbe/0x1bb0 [ 18.992744][ T24] ? dev_queue_xmit+0x20/0x20 [ 18.997769][ T24] ? __local_bh_enable_ip+0xa8/0x170 [ 19.003166][ T24] ? do_raw_spin_unlock+0x50/0x50 [ 19.008351][ T24] ? _local_bh_enable+0x30/0x30 [ 19.013278][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.020384][ T24] ? ndisc_constructor+0x690/0x8a0 [ 19.025664][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 19.030999][ T24] ? dev_hard_header+0xdb/0xf0 [ 19.035887][ T24] dev_queue_xmit+0x17/0x20 [ 19.040510][ T24] neigh_connected_output+0x288/0x2b0 [ 19.045887][ T24] ip6_finish_output2+0xde2/0x1440 [ 19.051023][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.055775][ T24] ? __ip6_finish_output+0x520/0x520 [ 19.061045][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 19.066745][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.073091][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 19.078033][ T24] __ip6_finish_output+0x3e4/0x520 [ 19.083150][ T24] ip6_finish_output+0x3f/0x220 [ 19.088087][ T24] ? ip6_output+0x1d3/0x4b0 [ 19.092568][ T24] ip6_output+0x1f8/0x4b0 [ 19.097264][ T24] ? asan.module_dtor+0x20/0x20 [ 19.102103][ T24] ? skb_dst+0x40/0x40 [ 19.106148][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.110887][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 19.116070][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 19.121938][ T24] ? nf_hook_slow+0x150/0x1b0 [ 19.126769][ T24] NF_HOOK+0xdd/0x280 [ 19.131085][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 19.136692][ T24] ? NF_HOOK+0x280/0x280 [ 19.141082][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.145822][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.152643][ T24] ? ndisc_send_skb+0x547/0x9f0 [ 19.157479][ T24] ? memcpy+0x56/0x70 [ 19.161438][ T24] ndisc_send_skb+0x646/0x9f0 [ 19.166264][ T24] ? slab_post_alloc_hook+0x90/0xa0 [ 19.171529][ T24] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 19.177134][ T24] ? skb_set_owner_w+0x1a8/0x310 [ 19.182239][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 19.188146][ T24] ? skb_put+0x11d/0x200 [ 19.192378][ T24] ndisc_send_rs+0x26c/0x360 [ 19.196955][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 19.202331][ T24] ? addrconf_dad_stop+0x430/0x430 [ 19.207420][ T24] ? mutex_unlock+0x34/0x40 [ 19.211996][ T24] addrconf_dad_work+0x9c1/0x1520 [ 19.217000][ T24] ? move_linked_works+0x118/0x130 [ 19.222174][ T24] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 19.227878][ T24] ? __kasan_check_write+0x14/0x20 [ 19.233052][ T24] process_one_work+0x3ca/0x660 [ 19.238173][ T24] worker_thread+0x709/0xa20 [ 19.242740][ T24] ? __kthread_parkme+0x11b/0x150 [ 19.247752][ T24] kthread+0x371/0x390 [ 19.251798][ T24] ? pr_cont_work+0x110/0x110 [ 19.256452][ T24] ? __list_add+0xc0/0xc0 [ 19.260757][ T24] ret_from_fork+0x1f/0x30 [ 19.265297][ T24] ================================================================================ [ 19.274618][ T24] ================================================================================ [ 19.284133][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 [ 19.291967][ T24] member access within address ffffc9000019f1c0 with insufficient space [ 19.301523][ T24] for an object of type 'struct sk_buff' [ 19.307311][ T24] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.79-syzkaller-01226-g706ebf15a1f9 #0 [ 19.317031][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.327107][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.333076][ T24] Call Trace: [ 19.336367][ T24] dump_stack_lvl+0x1e2/0x24b [ 19.341394][ T24] ? show_regs_print_info+0x18/0x18 [ 19.346694][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 19.352536][ T24] dump_stack+0x15/0x1d [ 19.356677][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 19.362381][ T24] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 19.368355][ T24] wg_xmit+0x513/0xae0 [ 19.372424][ T24] ? wg_stop+0x140/0x140 [ 19.376668][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 19.383039][ T24] netdev_start_xmit+0x8a/0x160 [ 19.387883][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 19.392982][ T24] __dev_queue_xmit+0xfbe/0x1bb0 [ 19.397988][ T24] ? dev_queue_xmit+0x20/0x20 [ 19.402727][ T24] ? __local_bh_enable_ip+0xa8/0x170 [ 19.407986][ T24] ? do_raw_spin_unlock+0x50/0x50 [ 19.412995][ T24] ? _local_bh_enable+0x30/0x30 [ 19.417834][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.424190][ T24] ? ndisc_constructor+0x690/0x8a0 [ 19.430068][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 19.435381][ T24] ? dev_hard_header+0xdb/0xf0 [ 19.440159][ T24] dev_queue_xmit+0x17/0x20 [ 19.444668][ T24] neigh_connected_output+0x288/0x2b0 [ 19.450071][ T24] ip6_finish_output2+0xde2/0x1440 [ 19.455266][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.460063][ T24] ? __ip6_finish_output+0x520/0x520 [ 19.465345][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 19.471142][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.477359][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 19.482195][ T24] __ip6_finish_output+0x3e4/0x520 [ 19.487308][ T24] ip6_finish_output+0x3f/0x220 [ 19.492144][ T24] ? ip6_output+0x1d3/0x4b0 [ 19.496632][ T24] ip6_output+0x1f8/0x4b0 [ 19.500938][ T24] ? asan.module_dtor+0x20/0x20 [ 19.505863][ T24] ? skb_dst+0x40/0x40 [ 19.509930][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.514680][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 19.519854][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 19.525567][ T24] ? nf_hook_slow+0x150/0x1b0 [ 19.530309][ T24] NF_HOOK+0xdd/0x280 [ 19.534289][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 19.539910][ T24] ? NF_HOOK+0x280/0x280 [ 19.544142][ T24] ? __rcu_read_lock+0x50/0x50 [ 19.549945][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.556334][ T24] ? ndisc_send_skb+0x547/0x9f0 [ 19.561172][ T24] ? memcpy+0x56/0x70 [ 19.565204][ T24] ndisc_send_skb+0x646/0x9f0 [ 19.569861][ T24] ? slab_post_alloc_hook+0x90/0xa0 [ 19.575051][ T24] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 19.580580][ T24] ? skb_set_owner_w+0x1a8/0x310 [ 19.585505][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 19.591201][ T24] ? skb_put+0x11d/0x200 [ 19.595426][ T24] ndisc_send_rs+0x26c/0x360 [ 19.599993][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 19.605341][ T24] ? addrconf_dad_stop+0x430/0x430 [ 19.610703][ T24] ? mutex_unlock+0x34/0x40 [ 19.615454][ T24] addrconf_dad_work+0x9c1/0x1520 [ 19.620478][ T24] ? move_linked_works+0x118/0x130 [ 19.625671][ T24] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 19.631377][ T24] ? __kasan_check_write+0x14/0x20 [ 19.636465][ T24] process_one_work+0x3ca/0x660 [ 19.641314][ T24] worker_thread+0x709/0xa20 [ 19.645899][ T24] ? __kthread_parkme+0x11b/0x150 [ 19.650910][ T24] kthread+0x371/0x390 [ 19.655321][ T24] ? pr_cont_work+0x110/0x110 2021/11/19 14:13:56 building call list... [ 19.660018][ T24] ? __list_add+0xc0/0xc0 [ 19.664558][ T24] ret_from_fork+0x1f/0x30 [ 19.669046][ T24] ================================================================================ [ 19.685461][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 20.271986][ T9] device bridge_slave_1 left promiscuous mode [ 20.278255][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.286538][ T9] device bridge_slave_0 left promiscuous mode [ 20.292809][ T9] bridge0: port 1(bridge_slave_0) entered disabled state