UBSAN: object-size-mismatch in wg_xmit IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 member access within address ffffc9000019f180 with insufficient space for an object of type 'struct sk_buff' CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.66-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x17 lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x4b/0x60 lib/ubsan.c:339 __skb_queue_before include/linux/skbuff.h:2023 [inline] __skb_queue_tail include/linux/skbuff.h:2056 [inline] wg_xmit+0x4a2/0xae0 drivers/net/wireguard/device.c:182 __netdev_start_xmit include/linux/netdevice.h:4823 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4837 xmit_one net/core/dev.c:3583 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3599 __dev_queue_xmit+0x1000/0x1a80 net/core/dev.c:4161 dev_queue_xmit+0x17/0x20 net/core/dev.c:4194 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1526 neigh_output include/net/neighbour.h:518 [inline] ip6_finish_output2+0xdc6/0x1370 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e6/0x530 net/ipv6/ip6_output.c:210 ip6_finish_output+0x20b/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x65e/0xa10 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4221 addrconf_dad_work+0xa7d/0x13f0 net/ipv6/addrconf.c:3986 process_one_work+0x3d5/0x640 kernel/workqueue.c:2289 worker_thread+0x723/0xa60 kernel/workqueue.c:2435 kthread+0x365/0x400 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 ================================================================================ ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 member access within address ffffc9000019f180 with insufficient space for an object of type 'struct sk_buff' CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.66-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x17 lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x4b/0x60 lib/ubsan.c:339 __skb_insert include/linux/skbuff.h:1916 [inline] __skb_queue_before include/linux/skbuff.h:2023 [inline] __skb_queue_tail include/linux/skbuff.h:2056 [inline] wg_xmit+0x513/0xae0 drivers/net/wireguard/device.c:182 __netdev_start_xmit include/linux/netdevice.h:4823 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4837 xmit_one net/core/dev.c:3583 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3599 __dev_queue_xmit+0x1000/0x1a80 net/core/dev.c:4161 dev_queue_xmit+0x17/0x20 net/core/dev.c:4194 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1526 neigh_output include/net/neighbour.h:518 [inline] ip6_finish_output2+0xdc6/0x1370 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e6/0x530 net/ipv6/ip6_output.c:210 ip6_finish_output+0x20b/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x65e/0xa10 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4221 addrconf_dad_work+0xa7d/0x13f0 net/ipv6/addrconf.c:3986 process_one_work+0x3d5/0x640 kernel/workqueue.c:2289 worker_thread+0x723/0xa60 kernel/workqueue.c:2435 kthread+0x365/0x400 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 ================================================================================ Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. 2022/11/28 23:07:59 fuzzer started 2022/11/28 23:08:00 connecting to host at 10.128.0.163:41697 2022/11/28 23:08:00 checking machine... 2022/11/28 23:08:00 checking revisions... 2022/11/28 23:08:00 testing simple program... [ 21.292610][ T23] audit: type=1400 audit(1669676880.109:73): 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 [ 21.310928][ T370] cgroup: Unknown subsys name 'net' [ 21.316197][ T23] audit: type=1400 audit(1669676880.109:74): 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 [ 21.342209][ T23] audit: type=1400 audit(1669676880.109:75): 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 [ 21.342675][ T370] cgroup: Unknown subsys name 'devices' [ 21.371298][ T23] audit: type=1400 audit(1669676880.109:76): 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 [ 21.394058][ T23] audit: type=1400 audit(1669676880.109:77): 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 [ 21.423408][ T23] audit: type=1400 audit(1669676880.109:78): 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 [ 21.446394][ T23] audit: type=1400 audit(1669676880.109:79): 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 [ 21.470720][ T23] audit: type=1400 audit(1669676880.139:80): 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 [ 21.590846][ T370] cgroup: Unknown subsys name 'hugetlb' [ 21.596649][ T370] cgroup: Unknown subsys name 'rlimit' [ 21.690238][ T23] audit: type=1400 audit(1669676880.509:81): 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 [ 21.726398][ T23] audit: type=1400 audit(1669676880.539:82): 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 [ 21.790849][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.798419][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.806459][ T373] device bridge_slave_0 entered promiscuous mode [ 21.813656][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.820805][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.828139][ T373] device bridge_slave_1 entered promiscuous mode [ 21.862676][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.869744][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.877219][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.884379][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.906086][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.913962][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.921536][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 21.929387][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.947883][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.956522][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.963640][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.971311][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.980205][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.987230][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.995293][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.003684][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.018812][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.027241][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.044450][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.053897][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.063437][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.072514][ T24] ================================================================================ [ 22.081823][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2023:28 [ 22.090063][ T24] member access within address ffffc9000019f180 with insufficient space [ 22.098502][ T24] for an object of type 'struct sk_buff' [ 22.104269][ T24] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.66-syzkaller #0 [ 22.112299][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 22.122480][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.128453][ T24] Call Trace: [ 22.131832][ T24] dump_stack_lvl+0x1e2/0x24b [ 22.136496][ T24] ? bfq_pos_tree_add_move+0x439/0x439 [ 22.142065][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 22.147772][ T24] ? stack_trace_save+0x1f0/0x1f0 [ 22.153157][ T24] dump_stack+0x15/0x17 [ 22.157321][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 22.163040][ T24] ? __sanitizer_cov_trace_switch+0x64/0x80 [ 22.168934][ T24] __ubsan_handle_type_mismatch_v1+0x4b/0x60 [ 22.174914][ T24] wg_xmit+0x4a2/0xae0 [ 22.178979][ T24] ? wg_stop+0x140/0x140 [ 22.183481][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 22.190235][ T24] ? validate_xmit_skb+0x841/0xd00 [ 22.195634][ T24] netdev_start_xmit+0x8a/0x160 [ 22.200857][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 22.205956][ T24] __dev_queue_xmit+0x1000/0x1a80 [ 22.211053][ T24] ? dev_queue_xmit+0x20/0x20 [ 22.215726][ T24] ? do_raw_spin_unlock+0x60/0x60 [ 22.221102][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.227329][ T24] ? ndisc_constructor+0x653/0x850 [ 22.232422][ T24] ? __local_bh_enable_ip+0x53/0x80 [ 22.237627][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 22.243026][ T24] ? dev_hard_header+0xdb/0xf0 [ 22.247772][ T24] dev_queue_xmit+0x17/0x20 [ 22.252361][ T24] neigh_connected_output+0x288/0x2b0 [ 22.257716][ T24] ip6_finish_output2+0xdc6/0x1370 [ 22.262806][ T24] ? __ip6_finish_output+0x530/0x530 [ 22.268287][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 22.273971][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.280193][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 22.285029][ T24] __ip6_finish_output+0x3e6/0x530 [ 22.290126][ T24] ip6_finish_output+0x20b/0x220 [ 22.295208][ T24] ? ip6_output+0x1d3/0x4b0 [ 22.299692][ T24] ip6_output+0x1f8/0x4b0 [ 22.304048][ T24] ? xfrm_pols_put+0x102/0x110 [ 22.308909][ T24] ? asan.module_dtor+0x20/0x20 [ 22.313755][ T24] ? ip6_dst_idev+0x40/0x40 [ 22.318248][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 22.323584][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 22.329306][ T24] NF_HOOK+0xdd/0x280 [ 22.333278][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 22.338888][ T24] ? NF_HOOK+0x280/0x280 [ 22.343111][ T24] ? xfrm_lookup+0x38/0x50 [ 22.347504][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.353718][ T24] ? ndisc_send_skb+0x55d/0xa10 [ 22.358732][ T24] ? memcpy+0x56/0x70 [ 22.362689][ T24] ndisc_send_skb+0x65e/0xa10 [ 22.367344][ T24] ? ndisc_fill_addr_option+0x320/0x320 [ 22.372866][ T24] ? skb_set_owner_w+0x1b8/0x330 [ 22.377780][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 22.383500][ T24] ? skb_put+0x119/0x210 [ 22.387805][ T24] ndisc_send_rs+0x26c/0x360 [ 22.392372][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 22.397808][ T24] ? addrconf_dad_stop+0x420/0x420 [ 22.402916][ T24] addrconf_dad_work+0xa7d/0x13f0 [ 22.408027][ T24] ? INIT_LIST_HEAD+0x60/0x60 [ 22.412829][ T24] ? __kasan_check_write+0x14/0x20 [ 22.417945][ T24] process_one_work+0x3d5/0x640 [ 22.422787][ T24] worker_thread+0x723/0xa60 [ 22.427364][ T24] ? list_del_init+0x1f/0xd0 [ 22.431954][ T24] kthread+0x365/0x400 [ 22.436021][ T24] ? pr_cont_work+0x110/0x110 [ 22.440788][ T24] ? __list_add+0xc0/0xc0 [ 22.445106][ T24] ret_from_fork+0x1f/0x30 [ 22.449573][ T24] ================================================================================ [ 22.458974][ T24] ================================================================================ [ 22.468239][ T24] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1916:2 [ 22.476118][ T24] member access within address ffffc9000019f180 with insufficient space [ 22.484628][ T24] for an object of type 'struct sk_buff' [ 22.490283][ T24] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.66-syzkaller #0 [ 22.498885][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 22.509245][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.515205][ T24] Call Trace: [ 22.518654][ T24] dump_stack_lvl+0x1e2/0x24b [ 22.523584][ T24] ? bfq_pos_tree_add_move+0x439/0x439 [ 22.529775][ T24] ? wg_allowedips_lookup_dst+0x190/0x190 [ 22.535764][ T24] ? stack_trace_save+0x1f0/0x1f0 [ 22.540789][ T24] dump_stack+0x15/0x17 [ 22.545100][ T24] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 22.550806][ T24] __ubsan_handle_type_mismatch_v1+0x4b/0x60 [ 22.556806][ T24] wg_xmit+0x513/0xae0 [ 22.560883][ T24] ? wg_stop+0x140/0x140 [ 22.565120][ T24] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 22.571351][ T24] ? validate_xmit_skb+0x841/0xd00 [ 22.576541][ T24] netdev_start_xmit+0x8a/0x160 [ 22.581382][ T24] dev_hard_start_xmit+0x18d/0x2f0 [ 22.586497][ T24] __dev_queue_xmit+0x1000/0x1a80 [ 22.591603][ T24] ? dev_queue_xmit+0x20/0x20 [ 22.596791][ T24] ? do_raw_spin_unlock+0x60/0x60 [ 22.602074][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.608312][ T24] ? ndisc_constructor+0x653/0x850 [ 22.613418][ T24] ? __local_bh_enable_ip+0x53/0x80 [ 22.618622][ T24] ? _raw_write_unlock_bh+0x31/0x47 [ 22.623996][ T24] ? dev_hard_header+0xdb/0xf0 [ 22.628762][ T24] dev_queue_xmit+0x17/0x20 [ 22.633429][ T24] neigh_connected_output+0x288/0x2b0 [ 22.638797][ T24] ip6_finish_output2+0xdc6/0x1370 [ 22.643908][ T24] ? __ip6_finish_output+0x530/0x530 [ 22.649271][ T24] ? dst_cow_metrics_generic+0x55/0x1d0 [ 22.654802][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.661194][ T24] ? ip6_skb_dst_mtu+0xaf/0x260 [ 22.666089][ T24] __ip6_finish_output+0x3e6/0x530 [ 22.671540][ T24] ip6_finish_output+0x20b/0x220 [ 22.676798][ T24] ? ip6_output+0x1d3/0x4b0 [ 22.681441][ T24] ip6_output+0x1f8/0x4b0 [ 22.685762][ T24] ? xfrm_pols_put+0x102/0x110 [ 22.690602][ T24] ? asan.module_dtor+0x20/0x20 [ 22.695441][ T24] ? ip6_dst_idev+0x40/0x40 [ 22.700032][ T24] ? selinux_ipv6_forward+0x50/0x50 [ 22.705318][ T24] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 22.711198][ T24] NF_HOOK+0xdd/0x280 [ 22.715162][ T24] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 22.720949][ T24] ? NF_HOOK+0x280/0x280 [ 22.725169][ T24] ? xfrm_lookup+0x38/0x50 [ 22.729568][ T24] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 22.736068][ T24] ? ndisc_send_skb+0x55d/0xa10 [ 22.743008][ T24] ? memcpy+0x56/0x70 [ 22.746996][ T24] ndisc_send_skb+0x65e/0xa10 [ 22.751830][ T24] ? ndisc_fill_addr_option+0x320/0x320 [ 22.757381][ T24] ? skb_set_owner_w+0x1b8/0x330 [ 22.762307][ T24] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 22.768007][ T24] ? skb_put+0x119/0x210 [ 22.772227][ T24] ndisc_send_rs+0x26c/0x360 [ 22.776918][ T24] addrconf_dad_completed+0x4f3/0x9f0 [ 22.782284][ T24] ? addrconf_dad_stop+0x420/0x420 [ 22.787382][ T24] addrconf_dad_work+0xa7d/0x13f0 [ 22.792679][ T24] ? INIT_LIST_HEAD+0x60/0x60 [ 22.797519][ T24] ? __kasan_check_write+0x14/0x20 [ 22.802623][ T24] process_one_work+0x3d5/0x640 [ 22.807457][ T24] worker_thread+0x723/0xa60 [ 22.812033][ T24] ? list_del_init+0x1f/0xd0 [ 22.816603][ T24] kthread+0x365/0x400 2022/11/28 23:08:01 building call list... [ 22.820755][ T24] ? pr_cont_work+0x110/0x110 [ 22.825591][ T24] ? __list_add+0xc0/0xc0 [ 22.829930][ T24] ret_from_fork+0x1f/0x30 [ 22.834661][ T24] ================================================================================ [ 22.854703][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 23.419135][ T9] device bridge_slave_1 left promiscuous mode [ 23.425523][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.446510][ T9] device bridge_slave_0 left promiscuous mode [ 23.452861][ T9] bridge0: port 1(bridge_slave_0) entered disabled state syzkaller build log: go env (err=) GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOCACHE="/syzkaller/.cache/go-build" GOENV="/syzkaller/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.17" GCCGO="gccgo" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build3470063776=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at c0b80a55c nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c0b80a55c9c8cfe75e77c555ed0d4ae7aa373cc2 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221021-135310'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c0b80a55c9c8cfe75e77c555ed0d4ae7aa373cc2 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221021-135310'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c0b80a55c9c8cfe75e77c555ed0d4ae7aa373cc2 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221021-135310'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"c0b80a55c9c8cfe75e77c555ed0d4ae7aa373cc2\"