Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. 2021/11/08 23:35:04 fuzzer started 2021/11/08 23:35:04 connecting to host at 10.128.0.163:42913 2021/11/08 23:35:04 checking machine... 2021/11/08 23:35:04 checking revisions... 2021/11/08 23:35:04 testing simple program... [ 18.585095][ T23] audit: type=1400 audit(1636414504.690:73): 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 [ 18.589697][ T23] audit: type=1400 audit(1636414504.700:74): 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 [ 18.593444][ T23] audit: type=1400 audit(1636414504.700:75): 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 [ 18.597681][ T23] audit: type=1400 audit(1636414504.700:76): 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 [ 18.601667][ T23] audit: type=1400 audit(1636414504.700:77): 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 [ 18.603026][ T370] cgroup: Unknown subsys name 'net' [ 18.611721][ T23] audit: type=1400 audit(1636414504.710:78): 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 [ 18.639892][ T23] audit: type=1400 audit(1636414504.710:79): 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 [ 18.640072][ T370] cgroup: Unknown subsys name 'devices' [ 18.662232][ T23] audit: type=1400 audit(1636414504.730:80): 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 [ 18.788193][ T370] cgroup: Unknown subsys name 'hugetlb' [ 18.793845][ T370] cgroup: Unknown subsys name 'rlimit' [ 18.897728][ T23] audit: type=1400 audit(1636414505.010:81): 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 [ 18.921671][ T23] audit: type=1400 audit(1636414505.030:82): 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 [ 18.996459][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.003573][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.011049][ T373] device bridge_slave_0 entered promiscuous mode [ 19.017876][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.024910][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.032823][ T373] device bridge_slave_1 entered promiscuous mode [ 19.062224][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.069295][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 19.076641][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.083753][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 19.101759][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.109138][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.117032][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 19.124484][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 19.133539][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 19.141729][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.148776][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 19.166987][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 19.175486][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 19.184625][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.191685][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 19.199105][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 19.207087][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 19.225923][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 19.234829][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 19.244295][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 19.252440][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 19.261307][ T374] ================================================================================ [ 19.270634][ T374] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 [ 19.278458][ T374] member access within address ffffc90000ad71c0 with insufficient space [ 19.287022][ T374] for an object of type 'struct sk_buff' [ 19.292666][ T374] CPU: 1 PID: 374 Comm: kworker/1:2 Not tainted 5.10.78-syzkaller-01155-gbb235e8cc2b6 #0 [ 19.302668][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.313536][ T374] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.319503][ T374] Call Trace: [ 19.322778][ T374] dump_stack_lvl+0x1e2/0x24b [ 19.327456][ T374] ? show_regs_print_info+0x18/0x18 [ 19.332750][ T374] ? wg_allowedips_lookup_dst+0x190/0x190 [ 19.338470][ T374] dump_stack+0x15/0x1d [ 19.342611][ T374] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 19.348503][ T374] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 19.354371][ T374] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 19.360502][ T374] wg_xmit+0x4a2/0xae0 [ 19.364560][ T374] ? wg_stop+0x140/0x140 [ 19.368813][ T374] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 19.375052][ T374] netdev_start_xmit+0x8a/0x160 [ 19.379898][ T374] dev_hard_start_xmit+0x18d/0x2f0 [ 19.385245][ T374] __dev_queue_xmit+0xfbe/0x1bb0 [ 19.390298][ T374] ? dev_queue_xmit+0x20/0x20 [ 19.394971][ T374] ? __local_bh_enable_ip+0xa8/0x170 [ 19.400238][ T374] ? do_raw_spin_unlock+0x50/0x50 [ 19.405240][ T374] ? _local_bh_enable+0x30/0x30 [ 19.410080][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.416321][ T374] ? ndisc_constructor+0x690/0x8a0 [ 19.421771][ T374] ? _raw_write_unlock_bh+0x31/0x47 [ 19.427246][ T374] ? dev_hard_header+0xdb/0xf0 [ 19.432019][ T374] dev_queue_xmit+0x17/0x20 [ 19.436502][ T374] neigh_connected_output+0x288/0x2b0 [ 19.441865][ T374] ip6_finish_output2+0xde2/0x1440 [ 19.447002][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.451739][ T374] ? __ip6_finish_output+0x520/0x520 [ 19.457188][ T374] ? dst_cow_metrics_generic+0x55/0x1d0 [ 19.462725][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.468987][ T374] ? ip6_skb_dst_mtu+0xaf/0x260 [ 19.473821][ T374] __ip6_finish_output+0x3e4/0x520 [ 19.478915][ T374] ip6_finish_output+0x3f/0x220 [ 19.483750][ T374] ? ip6_output+0x1d3/0x4b0 [ 19.488317][ T374] ip6_output+0x1f8/0x4b0 [ 19.492840][ T374] ? asan.module_dtor+0x20/0x20 [ 19.497689][ T374] ? skb_dst+0x40/0x40 [ 19.501757][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.506537][ T374] ? selinux_ipv6_forward+0x50/0x50 [ 19.511717][ T374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 19.517431][ T374] ? nf_hook_slow+0x150/0x1b0 [ 19.522192][ T374] NF_HOOK+0xdd/0x280 [ 19.526150][ T374] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 19.531759][ T374] ? NF_HOOK+0x280/0x280 [ 19.535991][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.540975][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.547208][ T374] ? ndisc_send_skb+0x547/0x9f0 [ 19.552035][ T374] ? memcpy+0x56/0x70 [ 19.555993][ T374] ndisc_send_skb+0x646/0x9f0 [ 19.560648][ T374] ? slab_post_alloc_hook+0x90/0xa0 [ 19.565831][ T374] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 19.571436][ T374] ? skb_set_owner_w+0x1a8/0x310 [ 19.576435][ T374] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 19.582143][ T374] ? skb_put+0x11d/0x200 [ 19.586482][ T374] ndisc_send_rs+0x26c/0x360 [ 19.591046][ T374] addrconf_dad_completed+0x4f3/0x9f0 [ 19.596590][ T374] ? addrconf_dad_stop+0x430/0x430 [ 19.601688][ T374] ? mutex_unlock+0x34/0x40 [ 19.606255][ T374] addrconf_dad_work+0x9c1/0x1520 [ 19.611265][ T374] ? move_linked_works+0x118/0x130 [ 19.616540][ T374] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 19.622414][ T374] ? __kasan_check_write+0x14/0x20 [ 19.627500][ T374] process_one_work+0x3ca/0x660 [ 19.632413][ T374] worker_thread+0x709/0xa20 [ 19.637127][ T374] ? __kthread_parkme+0x11b/0x150 [ 19.642261][ T374] kthread+0x371/0x390 [ 19.646328][ T374] ? pr_cont_work+0x110/0x110 [ 19.651172][ T374] ? __list_add+0xc0/0xc0 [ 19.655510][ T374] ret_from_fork+0x1f/0x30 [ 19.656410][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 19.659960][ T374] ================================================================================ [ 19.678081][ T374] ================================================================================ [ 19.687920][ T374] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 [ 19.695672][ T374] member access within address ffffc90000ad71c0 with insufficient space [ 19.696436][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 19.704032][ T374] for an object of type 'struct sk_buff' [ 19.716403][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 19.718850][ T374] CPU: 1 PID: 374 Comm: kworker/1:2 Not tainted 5.10.78-syzkaller-01155-gbb235e8cc2b6 #0 [ 19.737637][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.747698][ T374] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.753754][ T374] Call Trace: [ 19.757027][ T374] dump_stack_lvl+0x1e2/0x24b [ 19.761690][ T374] ? show_regs_print_info+0x18/0x18 [ 19.766987][ T374] ? wg_allowedips_lookup_dst+0x190/0x190 [ 19.772703][ T374] dump_stack+0x15/0x1d [ 19.776872][ T374] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 19.782589][ T374] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 19.789032][ T374] wg_xmit+0x513/0xae0 [ 19.793085][ T374] ? wg_stop+0x140/0x140 [ 19.797331][ T374] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 19.803564][ T374] netdev_start_xmit+0x8a/0x160 [ 19.808394][ T374] dev_hard_start_xmit+0x18d/0x2f0 [ 19.813482][ T374] __dev_queue_xmit+0xfbe/0x1bb0 [ 19.818406][ T374] ? dev_queue_xmit+0x20/0x20 [ 19.823069][ T374] ? __local_bh_enable_ip+0xa8/0x170 [ 19.828517][ T374] ? do_raw_spin_unlock+0x50/0x50 [ 19.833514][ T374] ? _local_bh_enable+0x30/0x30 [ 19.838364][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.844603][ T374] ? ndisc_constructor+0x690/0x8a0 [ 19.849776][ T374] ? _raw_write_unlock_bh+0x31/0x47 [ 19.854973][ T374] ? dev_hard_header+0xdb/0xf0 [ 19.859811][ T374] dev_queue_xmit+0x17/0x20 [ 19.864309][ T374] neigh_connected_output+0x288/0x2b0 [ 19.869678][ T374] ip6_finish_output2+0xde2/0x1440 [ 19.874779][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.879627][ T374] ? __ip6_finish_output+0x520/0x520 [ 19.884904][ T374] ? dst_cow_metrics_generic+0x55/0x1d0 [ 19.890426][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.896827][ T374] ? ip6_skb_dst_mtu+0xaf/0x260 [ 19.901697][ T374] __ip6_finish_output+0x3e4/0x520 [ 19.906800][ T374] ip6_finish_output+0x3f/0x220 [ 19.911642][ T374] ? ip6_output+0x1d3/0x4b0 [ 19.916119][ T374] ip6_output+0x1f8/0x4b0 [ 19.920531][ T374] ? asan.module_dtor+0x20/0x20 [ 19.925371][ T374] ? skb_dst+0x40/0x40 [ 19.926353][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 19.929517][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.943367][ T374] ? selinux_ipv6_forward+0x50/0x50 [ 19.948636][ T374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 19.954357][ T374] ? nf_hook_slow+0x150/0x1b0 [ 19.959105][ T374] NF_HOOK+0xdd/0x280 [ 19.963164][ T374] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 19.968945][ T374] ? NF_HOOK+0x280/0x280 [ 19.973169][ T374] ? __rcu_read_lock+0x50/0x50 [ 19.977930][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 19.984172][ T374] ? ndisc_send_skb+0x547/0x9f0 [ 19.989878][ T374] ? memcpy+0x56/0x70 [ 19.994013][ T374] ndisc_send_skb+0x646/0x9f0 [ 19.998856][ T374] ? slab_post_alloc_hook+0x90/0xa0 [ 20.004043][ T374] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.009673][ T374] ? skb_set_owner_w+0x1a8/0x310 [ 20.014594][ T374] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.020299][ T374] ? skb_put+0x11d/0x200 [ 20.024519][ T374] ndisc_send_rs+0x26c/0x360 [ 20.029113][ T374] addrconf_dad_completed+0x4f3/0x9f0 [ 20.034654][ T374] ? addrconf_dad_stop+0x430/0x430 [ 20.039751][ T374] ? mutex_unlock+0x34/0x40 [ 20.044232][ T374] addrconf_dad_work+0x9c1/0x1520 [ 20.049234][ T374] ? move_linked_works+0x118/0x130 [ 20.054318][ T374] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.060030][ T374] ? __kasan_check_write+0x14/0x20 [ 20.065142][ T374] process_one_work+0x3ca/0x660 [ 20.069978][ T374] worker_thread+0x709/0xa20 [ 20.074581][ T374] ? __kthread_parkme+0x11b/0x150 [ 20.079581][ T374] kthread+0x371/0x390 [ 20.083640][ T374] ? pr_cont_work+0x110/0x110 [ 20.088559][ T374] ? __list_add+0xc0/0xc0 [ 20.093057][ T374] ret_from_fork+0x1f/0x30 [ 20.097585][ T374] ================================================================================ [ 20.116138][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation 2021/11/08 23:35:06 building call list... [ 20.646498][ T177] device bridge_slave_1 left promiscuous mode [ 20.653005][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.660897][ T177] device bridge_slave_0 left promiscuous mode [ 20.667804][ T177] bridge0: port 1(bridge_slave_0) entered disabled state