Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. 2021/11/08 23:35:07 fuzzer started 2021/11/08 23:35:08 connecting to host at 10.128.0.163:40221 2021/11/08 23:35:08 checking machine... 2021/11/08 23:35:08 checking revisions... 2021/11/08 23:35:08 testing simple program... [ 19.924846][ T23] audit: type=1400 audit(1636414508.110:73): 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 [ 19.929039][ T23] audit: type=1400 audit(1636414508.110:74): 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 [ 19.932844][ T23] audit: type=1400 audit(1636414508.110:75): 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 [ 19.936743][ T23] audit: type=1400 audit(1636414508.120:76): 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 [ 19.941272][ T23] audit: type=1400 audit(1636414508.120:77): 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 [ 19.947325][ T371] cgroup: Unknown subsys name 'net' [ 19.948393][ T23] audit: type=1400 audit(1636414508.130:78): avc: denied { mounton } for pid=371 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 [ 19.977017][ T23] audit: type=1400 audit(1636414508.130:79): avc: denied { mount } for pid=371 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 [ 19.977282][ T371] cgroup: Unknown subsys name 'devices' [ 20.001460][ T23] audit: type=1400 audit(1636414508.140:80): avc: denied { unmount } for pid=371 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.115097][ T371] cgroup: Unknown subsys name 'hugetlb' [ 20.121117][ T371] cgroup: Unknown subsys name 'rlimit' [ 20.214688][ T23] audit: type=1400 audit(1636414508.400:81): avc: denied { setattr } for pid=371 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 [ 20.238391][ T23] audit: type=1400 audit(1636414508.420:82): 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 [ 20.330876][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.338444][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.346202][ T373] device bridge_slave_0 entered promiscuous mode [ 20.353435][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.360476][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.368095][ T373] device bridge_slave_1 entered promiscuous mode [ 20.402624][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.410016][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 20.417972][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.425432][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 20.443829][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.451280][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.458782][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 20.466807][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 20.483808][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 20.492135][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.499254][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 20.507705][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 20.516340][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.523404][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 20.530739][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 20.538918][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 20.563391][ T74] ================================================================================ [ 20.573161][ T74] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 [ 20.582245][ T74] member access within address ffffc9000029f1c0 with insufficient space [ 20.591335][ T74] for an object of type 'struct sk_buff' [ 20.597378][ T74] CPU: 1 PID: 74 Comm: kworker/1:1 Not tainted 5.10.78-syzkaller-01155-gbb235e8cc2b6 #0 [ 20.607260][ T74] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.617708][ T74] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.624280][ T74] Call Trace: [ 20.627734][ T74] dump_stack_lvl+0x1e2/0x24b [ 20.632674][ T74] ? show_regs_print_info+0x18/0x18 [ 20.637965][ T74] ? wg_allowedips_lookup_dst+0x190/0x190 [ 20.643695][ T74] dump_stack+0x15/0x1d [ 20.647930][ T74] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 20.653907][ T74] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 20.659937][ T74] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 20.665996][ T74] wg_xmit+0x4a2/0xae0 [ 20.670068][ T74] ? worker_thread+0x709/0xa20 [ 20.674949][ T74] ? wg_stop+0x140/0x140 [ 20.679407][ T74] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 20.685849][ T74] netdev_start_xmit+0x8a/0x160 [ 20.690712][ T74] dev_hard_start_xmit+0x18d/0x2f0 [ 20.695908][ T74] __dev_queue_xmit+0xfbe/0x1bb0 [ 20.700948][ T74] ? dev_queue_xmit+0x20/0x20 [ 20.708120][ T74] ? __local_bh_enable_ip+0xa8/0x170 [ 20.713481][ T74] ? do_raw_spin_unlock+0x50/0x50 [ 20.718775][ T74] ? _local_bh_enable+0x30/0x30 [ 20.723610][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.729828][ T74] ? ndisc_constructor+0x690/0x8a0 [ 20.735115][ T74] ? _raw_write_unlock_bh+0x31/0x47 [ 20.740549][ T74] ? dev_hard_header+0xdb/0xf0 [ 20.745320][ T74] dev_queue_xmit+0x17/0x20 [ 20.750597][ T74] neigh_connected_output+0x288/0x2b0 [ 20.756052][ T74] ip6_finish_output2+0xde2/0x1440 [ 20.761164][ T74] ? __rcu_read_lock+0x50/0x50 [ 20.765915][ T74] ? __ip6_finish_output+0x520/0x520 [ 20.771188][ T74] ? dst_cow_metrics_generic+0x55/0x1d0 [ 20.777063][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.783529][ T74] ? ip6_skb_dst_mtu+0xaf/0x260 [ 20.788467][ T74] __ip6_finish_output+0x3e4/0x520 [ 20.793673][ T74] ip6_finish_output+0x3f/0x220 [ 20.798594][ T74] ? ip6_output+0x1d3/0x4b0 [ 20.803073][ T74] ip6_output+0x1f8/0x4b0 [ 20.807463][ T74] ? asan.module_dtor+0x20/0x20 [ 20.812288][ T74] ? skb_dst+0x40/0x40 [ 20.816333][ T74] ? __rcu_read_lock+0x50/0x50 [ 20.821346][ T74] ? selinux_ipv6_forward+0x50/0x50 [ 20.826571][ T74] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 20.832289][ T74] ? nf_hook_slow+0x150/0x1b0 [ 20.837140][ T74] NF_HOOK+0xdd/0x280 [ 20.841105][ T74] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 20.846816][ T74] ? NF_HOOK+0x280/0x280 [ 20.851133][ T74] ? __rcu_read_lock+0x50/0x50 [ 20.855942][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.862266][ T74] ? ndisc_send_skb+0x547/0x9f0 [ 20.867332][ T74] ? memcpy+0x56/0x70 [ 20.871319][ T74] ndisc_send_skb+0x646/0x9f0 [ 20.877121][ T74] ? slab_post_alloc_hook+0x90/0xa0 [ 20.882310][ T74] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.887900][ T74] ? skb_set_owner_w+0x1a8/0x310 [ 20.892846][ T74] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.898553][ T74] ? skb_put+0x11d/0x200 [ 20.902780][ T74] ndisc_send_rs+0x26c/0x360 [ 20.907349][ T74] addrconf_dad_completed+0x4f3/0x9f0 [ 20.912701][ T74] ? addrconf_dad_stop+0x430/0x430 [ 20.917870][ T74] addrconf_dad_work+0x9c1/0x1520 [ 20.922963][ T74] ? move_linked_works+0x118/0x130 [ 20.928128][ T74] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.933852][ T74] ? __kasan_check_write+0x14/0x20 [ 20.939127][ T74] process_one_work+0x3ca/0x660 [ 20.943969][ T74] worker_thread+0x709/0xa20 [ 20.948720][ T74] ? __kthread_parkme+0x11b/0x150 [ 20.953738][ T74] kthread+0x371/0x390 [ 20.957785][ T74] ? pr_cont_work+0x110/0x110 [ 20.962520][ T74] ? __list_add+0xc0/0xc0 [ 20.966835][ T74] ret_from_fork+0x1f/0x30 [ 20.971279][ T74] ================================================================================ [ 20.980564][ T74] ================================================================================ [ 20.990002][ T74] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 [ 20.997860][ T74] member access within address ffffc9000029f1c0 with insufficient space [ 21.006377][ T74] for an object of type 'struct sk_buff' [ 21.012118][ T74] CPU: 1 PID: 74 Comm: kworker/1:1 Not tainted 5.10.78-syzkaller-01155-gbb235e8cc2b6 #0 [ 21.022396][ T74] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.032567][ T74] Workqueue: ipv6_addrconf addrconf_dad_work [ 21.038751][ T74] Call Trace: [ 21.042044][ T74] dump_stack_lvl+0x1e2/0x24b [ 21.046711][ T74] ? show_regs_print_info+0x18/0x18 [ 21.051900][ T74] ? wg_allowedips_lookup_dst+0x190/0x190 [ 21.057955][ T74] dump_stack+0x15/0x1d [ 21.062087][ T74] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 21.067798][ T74] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 21.073903][ T74] wg_xmit+0x513/0xae0 [ 21.077961][ T74] ? worker_thread+0x709/0xa20 [ 21.082787][ T74] ? wg_stop+0x140/0x140 [ 21.087125][ T74] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 21.093356][ T74] netdev_start_xmit+0x8a/0x160 [ 21.098761][ T74] dev_hard_start_xmit+0x18d/0x2f0 [ 21.103875][ T74] __dev_queue_xmit+0xfbe/0x1bb0 [ 21.108896][ T74] ? dev_queue_xmit+0x20/0x20 [ 21.113671][ T74] ? __local_bh_enable_ip+0xa8/0x170 [ 21.118967][ T74] ? do_raw_spin_unlock+0x50/0x50 [ 21.124093][ T74] ? _local_bh_enable+0x30/0x30 [ 21.128953][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 21.135192][ T74] ? ndisc_constructor+0x690/0x8a0 [ 21.140297][ T74] ? _raw_write_unlock_bh+0x31/0x47 [ 21.145568][ T74] ? dev_hard_header+0xdb/0xf0 [ 21.150658][ T74] dev_queue_xmit+0x17/0x20 [ 21.155165][ T74] neigh_connected_output+0x288/0x2b0 [ 21.160609][ T74] ip6_finish_output2+0xde2/0x1440 [ 21.165782][ T74] ? __rcu_read_lock+0x50/0x50 [ 21.170541][ T74] ? __ip6_finish_output+0x520/0x520 [ 21.175807][ T74] ? dst_cow_metrics_generic+0x55/0x1d0 [ 21.181504][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 21.187765][ T74] ? ip6_skb_dst_mtu+0xaf/0x260 [ 21.192588][ T74] __ip6_finish_output+0x3e4/0x520 [ 21.197691][ T74] ip6_finish_output+0x3f/0x220 [ 21.202542][ T74] ? ip6_output+0x1d3/0x4b0 [ 21.207022][ T74] ip6_output+0x1f8/0x4b0 [ 21.211341][ T74] ? asan.module_dtor+0x20/0x20 [ 21.216164][ T74] ? skb_dst+0x40/0x40 [ 21.220207][ T74] ? __rcu_read_lock+0x50/0x50 [ 21.224954][ T74] ? selinux_ipv6_forward+0x50/0x50 [ 21.230125][ T74] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 21.235834][ T74] ? nf_hook_slow+0x150/0x1b0 [ 21.240496][ T74] NF_HOOK+0xdd/0x280 [ 21.244458][ T74] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 21.250066][ T74] ? NF_HOOK+0x280/0x280 [ 21.254545][ T74] ? __rcu_read_lock+0x50/0x50 [ 21.259385][ T74] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 21.266135][ T74] ? ndisc_send_skb+0x547/0x9f0 [ 21.270971][ T74] ? memcpy+0x56/0x70 [ 21.275023][ T74] ndisc_send_skb+0x646/0x9f0 [ 21.279675][ T74] ? slab_post_alloc_hook+0x90/0xa0 [ 21.284966][ T74] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 21.290512][ T74] ? skb_set_owner_w+0x1a8/0x310 [ 21.295443][ T74] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 21.301444][ T74] ? skb_put+0x11d/0x200 [ 21.305674][ T74] ndisc_send_rs+0x26c/0x360 [ 21.310345][ T74] addrconf_dad_completed+0x4f3/0x9f0 [ 21.316178][ T74] ? addrconf_dad_stop+0x430/0x430 [ 21.321348][ T74] addrconf_dad_work+0x9c1/0x1520 [ 21.326372][ T74] ? move_linked_works+0x118/0x130 [ 21.331491][ T74] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 21.337693][ T74] ? __kasan_check_write+0x14/0x20 [ 21.342806][ T74] process_one_work+0x3ca/0x660 [ 21.347635][ T74] worker_thread+0x709/0xa20 [ 21.352306][ T74] ? __kthread_parkme+0x11b/0x150 [ 21.357306][ T74] kthread+0x371/0x390 [ 21.361457][ T74] ? pr_cont_work+0x110/0x110 [ 21.366204][ T74] ? __list_add+0xc0/0xc0 [ 21.371740][ T74] ret_from_fork+0x1f/0x30 [ 21.376197][ T74] ================================================================================ [ 21.386467][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.395006][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.404460][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready 2021/11/08 23:35:09 building call list... [ 21.413316][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 21.421187][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.433949][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 21.983219][ T177] device bridge_slave_1 left promiscuous mode [ 21.989385][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.997366][ T177] device bridge_slave_0 left promiscuous mode [ 22.003605][ T177] bridge0: port 1(bridge_slave_0) entered disabled state