Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. 2021/11/22 10:04:18 fuzzer started 2021/11/22 10:04:18 connecting to host at 10.128.0.163:39611 2021/11/22 10:04:18 checking machine... 2021/11/22 10:04:18 checking revisions... 2021/11/22 10:04:18 testing simple program... [ 19.338780][ T23] audit: type=1400 audit(1637575458.590:73): 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 [ 19.362143][ T370] cgroup: Unknown subsys name 'net' [ 19.362287][ T23] audit: type=1400 audit(1637575458.590:74): 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 [ 19.388687][ T23] audit: type=1400 audit(1637575458.590:75): 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 [ 19.388884][ T370] cgroup: Unknown subsys name 'devices' [ 19.411905][ T23] audit: type=1400 audit(1637575458.600:76): 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 [ 19.440215][ T23] audit: type=1400 audit(1637575458.600:77): 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 [ 19.463448][ T23] audit: type=1400 audit(1637575458.610:78): 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 [ 19.486602][ T23] audit: type=1400 audit(1637575458.610:79): 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 [ 19.508892][ T23] audit: type=1400 audit(1637575458.630:80): 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 [ 19.646964][ T370] cgroup: Unknown subsys name 'hugetlb' [ 19.652721][ T370] cgroup: Unknown subsys name 'rlimit' [ 19.746603][ T23] audit: type=1400 audit(1637575459.000:81): 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 [ 19.769924][ T23] audit: type=1400 audit(1637575459.000:82): avc: denied { execmem } for pid=373 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.844756][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.851960][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.859605][ T374] device bridge_slave_0 entered promiscuous mode [ 19.866644][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.873660][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.881071][ T374] device bridge_slave_1 entered promiscuous mode [ 19.910656][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.917713][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 19.925023][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.932392][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 19.951038][ T47] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.958380][ T47] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.966364][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 19.974212][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 19.983533][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 19.991710][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.998741][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 20.005165][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 20.025866][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 20.034141][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 20.042794][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.049859][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 20.057875][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 20.065986][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 20.083461][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 20.091771][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 20.101193][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 20.109415][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 20.118096][ T24] ================================================================================ [ 20.127393][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 [ 20.135198][ T24] member access within address ffffc9000019f1c0 with insufficient space [ 20.143587][ T24] for an object of type 'struct sk_buff' [ 20.149479][ T24] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 5.10.81-syzkaller-01825-g4b644356291a #0 [ 20.159353][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.169511][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.175483][ T24] Call Trace: [ 20.178845][ T24] dump_stack_lvl+0x1e2/0x24b [ 20.183502][ T24] ? show_regs_print_info+0x18/0x18 [ 20.188679][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 20.194375][ T24] dump_stack+0x15/0x1d [ 20.198507][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 20.204201][ T24] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 20.210065][ T24] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 20.216107][ T24] wg_xmit+0x4a2/0xae0 [ 20.220151][ T24] ? wg_stop+0x140/0x140 [ 20.224369][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 20.230682][ T24] netdev_start_xmit+0x8a/0x160 [ 20.235504][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 20.240592][ T24] __dev_queue_xmit+0xfbe/0x1bb0 [ 20.245505][ T24] ? __local_bh_enable_ip+0xa8/0x170 [ 20.250878][ T24] ? ndisc_mc_map+0x329/0x9e0 [ 20.255535][ T24] ? dev_queue_xmit+0x20/0x20 [ 20.260256][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.266477][ T24] ? ndisc_constructor+0x690/0x8a0 [ 20.271646][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 20.276822][ T24] ? ___neigh_create+0x162d/0x1ab0 [ 20.282008][ T24] ? dev_hard_header+0xdb/0xf0 [ 20.286797][ T24] dev_queue_xmit+0x17/0x20 [ 20.291289][ T24] neigh_connected_output+0x288/0x2b0 [ 20.296650][ T24] ip6_finish_output2+0xde2/0x1440 [ 20.301750][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.306501][ T24] ? __ip6_finish_output+0x520/0x520 [ 20.311774][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 20.317300][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.323600][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 20.328426][ T24] __ip6_finish_output+0x3e4/0x520 [ 20.333513][ T24] ip6_finish_output+0x3f/0x220 [ 20.338333][ T24] ? ip6_output+0x1d3/0x4b0 [ 20.342805][ T24] ip6_output+0x1f8/0x4b0 [ 20.347145][ T24] ? asan.module_dtor+0x20/0x20 [ 20.351976][ T24] ? skb_dst+0x40/0x40 [ 20.356020][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.360844][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 20.366054][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 20.371743][ T24] ? nf_hook_slow+0x150/0x1b0 [ 20.376405][ T24] NF_HOOK+0xdd/0x280 [ 20.380364][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 20.385966][ T24] ? NF_HOOK+0x280/0x280 [ 20.390182][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.394924][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.401220][ T24] ? ndisc_send_skb+0x547/0x9f0 [ 20.406042][ T24] ? memcpy+0x56/0x70 [ 20.410092][ T24] ndisc_send_skb+0x646/0x9f0 [ 20.414739][ T24] ? slab_post_alloc_hook+0x90/0xa0 [ 20.419909][ T24] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.425429][ T24] ? skb_set_owner_w+0x1a8/0x310 [ 20.430341][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.436041][ T24] ? skb_put+0x11d/0x200 [ 20.440258][ T24] ndisc_send_rs+0x26c/0x360 [ 20.444837][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 20.450183][ T24] ? addrconf_dad_stop+0x430/0x430 [ 20.455269][ T24] ? mutex_unlock+0x34/0x40 [ 20.459757][ T24] addrconf_dad_work+0x9c1/0x1520 [ 20.464752][ T24] ? move_linked_works+0x118/0x130 [ 20.469920][ T24] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.475656][ T24] ? __kasan_check_write+0x14/0x20 [ 20.480935][ T24] process_one_work+0x3ca/0x660 [ 20.485758][ T24] worker_thread+0x709/0xa20 [ 20.490354][ T24] ? __kthread_parkme+0x11b/0x150 [ 20.495350][ T24] kthread+0x371/0x390 [ 20.499390][ T24] ? pr_cont_work+0x110/0x110 [ 20.504139][ T24] ? __list_add+0xc0/0xc0 [ 20.508439][ T24] ret_from_fork+0x1f/0x30 [ 20.512870][ T24] ================================================================================ [ 20.516360][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 20.522160][ T24] ================================================================================ [ 20.541834][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 [ 20.549551][ T24] member access within address ffffc9000019f1c0 with insufficient space [ 20.557871][ T24] for an object of type 'struct sk_buff' [ 20.563483][ T24] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 5.10.81-syzkaller-01825-g4b644356291a #0 [ 20.573165][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.583288][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.589252][ T24] Call Trace: [ 20.592518][ T24] dump_stack_lvl+0x1e2/0x24b [ 20.597175][ T24] ? show_regs_print_info+0x18/0x18 [ 20.602354][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 20.608045][ T24] dump_stack+0x15/0x1d [ 20.612174][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 20.617862][ T24] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 20.623813][ T24] wg_xmit+0x513/0xae0 [ 20.627864][ T24] ? wg_stop+0x140/0x140 [ 20.632089][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 20.638303][ T24] netdev_start_xmit+0x8a/0x160 [ 20.643126][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 20.648212][ T24] __dev_queue_xmit+0xfbe/0x1bb0 [ 20.653296][ T24] ? __local_bh_enable_ip+0xa8/0x170 [ 20.658558][ T24] ? ndisc_mc_map+0x329/0x9e0 [ 20.663218][ T24] ? dev_queue_xmit+0x20/0x20 [ 20.667869][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.674093][ T24] ? ndisc_constructor+0x690/0x8a0 [ 20.679179][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 20.684370][ T24] ? ___neigh_create+0x162d/0x1ab0 [ 20.689454][ T24] ? dev_hard_header+0xdb/0xf0 [ 20.694195][ T24] dev_queue_xmit+0x17/0x20 [ 20.698667][ T24] neigh_connected_output+0x288/0x2b0 [ 20.704011][ T24] ip6_finish_output2+0xde2/0x1440 [ 20.709094][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.713914][ T24] ? __ip6_finish_output+0x520/0x520 [ 20.719171][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 20.724777][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.731116][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 20.735956][ T24] __ip6_finish_output+0x3e4/0x520 [ 20.741050][ T24] ip6_finish_output+0x3f/0x220 [ 20.745877][ T24] ? ip6_output+0x1d3/0x4b0 [ 20.750357][ T24] ip6_output+0x1f8/0x4b0 [ 20.754660][ T24] ? asan.module_dtor+0x20/0x20 [ 20.759483][ T24] ? skb_dst+0x40/0x40 [ 20.763531][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.768269][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 20.773618][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 20.779323][ T24] ? nf_hook_slow+0x150/0x1b0 [ 20.783985][ T24] NF_HOOK+0xdd/0x280 [ 20.787943][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 20.793549][ T24] ? NF_HOOK+0x280/0x280 [ 20.797778][ T24] ? __rcu_read_lock+0x50/0x50 [ 20.802528][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.808756][ T24] ? ndisc_send_skb+0x547/0x9f0 [ 20.813644][ T24] ? memcpy+0x56/0x70 [ 20.817637][ T24] ndisc_send_skb+0x646/0x9f0 [ 20.822329][ T24] ? slab_post_alloc_hook+0x90/0xa0 [ 20.827515][ T24] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.833043][ T24] ? skb_set_owner_w+0x1a8/0x310 [ 20.837965][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.843666][ T24] ? skb_put+0x11d/0x200 [ 20.847893][ T24] ndisc_send_rs+0x26c/0x360 [ 20.852477][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 20.857838][ T24] ? addrconf_dad_stop+0x430/0x430 [ 20.862926][ T24] ? mutex_unlock+0x34/0x40 [ 20.867409][ T24] addrconf_dad_work+0x9c1/0x1520 [ 20.872417][ T24] ? move_linked_works+0x118/0x130 [ 20.877517][ T24] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.883215][ T24] ? __kasan_check_write+0x14/0x20 [ 20.888324][ T24] process_one_work+0x3ca/0x660 [ 20.893233][ T24] worker_thread+0x709/0xa20 [ 20.897819][ T24] ? __kthread_parkme+0x11b/0x150 [ 20.902835][ T24] kthread+0x371/0x390 [ 20.906898][ T24] ? pr_cont_work+0x110/0x110 2021/11/22 10:04:20 building call list... [ 20.911575][ T24] ? __list_add+0xc0/0xc0 [ 20.915909][ T24] ret_from_fork+0x1f/0x30 [ 20.920373][ T24] ================================================================================ [ 20.929781][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 20.946292][ T374] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 21.405145][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 21.414036][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 21.515294][ T7] device bridge_slave_1 left promiscuous mode [ 21.521618][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.529397][ T7] device bridge_slave_0 left promiscuous mode [ 21.535663][ T7] bridge0: port 1(bridge_slave_0) entered disabled state