UBSAN: object-size-mismatch in wg_xmit ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2048:28 member access within address ffffc900008e7180 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 127 Comm: kworker/0:2 Not tainted 5.15.0-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:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] handle_object_size_mismatch lib/ubsan.c:232 [inline] ubsan_type_mismatch_common+0x1e9/0x390 lib/ubsan.c:245 __ubsan_handle_type_mismatch_v1+0x4b/0x60 lib/ubsan.c:274 __skb_queue_before include/linux/skbuff.h:2048 [inline] __skb_queue_tail include/linux/skbuff.h:2081 [inline] wg_xmit+0x502/0xae0 drivers/net/wireguard/device.c:182 __netdev_start_xmit include/linux/netdevice.h:4988 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:5002 xmit_one net/core/dev.c:3582 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3598 __dev_queue_xmit+0x1138/0x1d10 net/core/dev.c:4209 dev_queue_xmit+0x17/0x20 net/core/dev.c:4242 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1521 neigh_output include/net/neighbour.h:510 [inline] ip6_finish_output2+0xb03/0x1080 net/ipv6/ip6_output.c:126 __ip6_finish_output+0x3e6/0x530 net/ipv6/ip6_output.c:191 ip6_finish_output+0x1c9/0x1e0 net/ipv6/ip6_output.c:201 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x1f8/0x4a0 net/ipv6/ip6_output.c:224 dst_output include/net/dst.h:450 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:307 ndisc_send_skb+0x67f/0xa30 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x543/0xa70 net/ipv6/addrconf.c:4211 addrconf_dad_work+0xbdf/0x1440 process_one_work+0x405/0x6c0 kernel/workqueue.c:2297 worker_thread+0x6fd/0xa80 kernel/workqueue.c:2444 kthread+0x34c/0x420 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 ================================================================================ ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1941:2 member access within address ffffc900008e7180 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 127 Comm: kworker/0:2 Not tainted 5.15.0-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:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] handle_object_size_mismatch lib/ubsan.c:232 [inline] ubsan_type_mismatch_common+0x1e9/0x390 lib/ubsan.c:245 __ubsan_handle_type_mismatch_v1+0x4b/0x60 lib/ubsan.c:274 __skb_insert include/linux/skbuff.h:1941 [inline] __skb_queue_before include/linux/skbuff.h:2048 [inline] __skb_queue_tail include/linux/skbuff.h:2081 [inline] wg_xmit+0x573/0xae0 drivers/net/wireguard/device.c:182 __netdev_start_xmit include/linux/netdevice.h:4988 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:5002 xmit_one net/core/dev.c:3582 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3598 __dev_queue_xmit+0x1138/0x1d10 net/core/dev.c:4209 dev_queue_xmit+0x17/0x20 net/core/dev.c:4242 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1521 neigh_output include/net/neighbour.h:510 [inline] ip6_finish_output2+0xb03/0x1080 net/ipv6/ip6_output.c:126 __ip6_finish_output+0x3e6/0x530 net/ipv6/ip6_output.c:191 ip6_finish_output+0x1c9/0x1e0 net/ipv6/ip6_output.c:201 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x1f8/0x4a0 net/ipv6/ip6_output.c:224 dst_output include/net/dst.h:450 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:307 ndisc_send_skb+0x67f/0xa30 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x543/0xa70 net/ipv6/addrconf.c:4211 addrconf_dad_work+0xbdf/0x1440 process_one_work+0x405/0x6c0 kernel/workqueue.c:2297 worker_thread+0x6fd/0xa80 kernel/workqueue.c:2444 kthread+0x34c/0x420 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 ================================================================================ Warning: Permanently added '10.128.1.43' (ECDSA) to the list of known hosts. 2022/11/22 05:54:11 fuzzer started 2022/11/22 05:54:12 connecting to host at 10.128.0.163:39683 2022/11/22 05:54:12 checking machine... 2022/11/22 05:54:12 checking revisions... 2022/11/22 05:54:12 testing simple program... [ 22.009184][ T24] audit: type=1400 audit(1669096452.210:73): avc: denied { integrity } for pid=367 comm="syz-fuzzer" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [ 22.031728][ T24] audit: type=1400 audit(1669096452.210:74): avc: denied { getattr } for pid=367 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 [ 22.038148][ T375] cgroup: Unknown subsys name 'net' [ 22.055904][ T24] audit: type=1400 audit(1669096452.210:75): avc: denied { read } for pid=367 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 22.081957][ T24] audit: type=1400 audit(1669096452.210:76): avc: denied { open } for pid=367 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 [ 22.082028][ T375] cgroup: Unknown subsys name 'devices' [ 22.105106][ T24] audit: type=1400 audit(1669096452.210:77): avc: denied { read } for pid=367 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 [ 22.105131][ T24] audit: type=1400 audit(1669096452.210:78): avc: denied { open } for pid=367 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 [ 22.105150][ T24] audit: type=1400 audit(1669096452.230:79): avc: denied { mounton } for pid=375 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 [ 22.180642][ T24] audit: type=1400 audit(1669096452.230:80): avc: denied { mount } for pid=375 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 [ 22.202888][ T24] audit: type=1400 audit(1669096452.260:81): avc: denied { unmount } for pid=375 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.320127][ T375] cgroup: Unknown subsys name 'hugetlb' [ 22.325817][ T375] cgroup: Unknown subsys name 'rlimit' [ 22.479523][ T24] audit: type=1400 audit(1669096452.680:82): avc: denied { setattr } for pid=375 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 [ 22.553995][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.561234][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.568937][ T379] device bridge_slave_0 entered promiscuous mode [ 22.575674][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.582810][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.590418][ T379] device bridge_slave_1 entered promiscuous mode [ 22.624703][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.631774][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.639059][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.646080][ T379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.663257][ T77] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.670487][ T77] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.677803][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 22.685442][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 22.694417][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.702559][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.709597][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.729961][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.738441][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.746394][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.754927][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.763155][ T77] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.770174][ T77] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.777454][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.785476][ T77] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.798577][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.807167][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.816162][ T127] ================================================================================ [ 22.825453][ T127] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2048:28 [ 22.833336][ T127] member access within address ffffc900008e7180 with insufficient space [ 22.841736][ T127] for an object of type 'struct sk_buff' [ 22.847341][ T127] CPU: 0 PID: 127 Comm: kworker/0:2 Not tainted 5.15.0-syzkaller #0 [ 22.855546][ T127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 22.865588][ T127] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.871560][ T127] Call Trace: [ 22.874822][ T127] dump_stack_lvl+0x151/0x1b7 [ 22.879484][ T127] ? bfq_pos_tree_add_move+0x439/0x439 [ 22.884919][ T127] ? lookup+0x358/0x3b0 [ 22.889053][ T127] dump_stack+0x15/0x17 [ 22.893184][ T127] ubsan_type_mismatch_common+0x1e9/0x390 [ 22.899154][ T127] __ubsan_handle_type_mismatch_v1+0x4b/0x60 [ 22.905395][ T127] wg_xmit+0x502/0xae0 [ 22.909442][ T127] ? wg_stop+0x140/0x140 [ 22.913660][ T127] netdev_start_xmit+0x8a/0x160 [ 22.918500][ T127] dev_hard_start_xmit+0x18d/0x2f0 [ 22.923621][ T127] __dev_queue_xmit+0x1138/0x1d10 [ 22.928622][ T127] ? dev_queue_xmit+0x20/0x20 [ 22.933285][ T127] ? __kasan_check_write+0x14/0x20 [ 22.938373][ T127] ? _raw_write_lock_bh+0xa3/0x170 [ 22.943482][ T127] ? _raw_write_lock_irq+0x170/0x170 [ 22.948827][ T127] ? __kasan_check_write+0x14/0x20 [ 22.953939][ T127] ? ndisc_constructor+0x653/0x850 [ 22.959033][ T127] ? __local_bh_enable_ip+0x58/0x80 [ 22.964207][ T127] ? _raw_write_unlock_bh+0x31/0x47 [ 22.969460][ T127] ? dev_hard_header+0xdb/0xf0 [ 22.974233][ T127] dev_queue_xmit+0x17/0x20 [ 22.978736][ T127] neigh_connected_output+0x288/0x2b0 [ 22.984087][ T127] ip6_finish_output2+0xb03/0x1080 [ 22.989178][ T127] ? __ip6_finish_output+0x530/0x530 [ 22.994440][ T127] ? ip6_mtu+0xd8/0x120 [ 22.998712][ T127] ? ip6_skb_dst_mtu+0xaf/0x220 [ 23.003535][ T127] __ip6_finish_output+0x3e6/0x530 [ 23.008634][ T127] ip6_finish_output+0x1c9/0x1e0 [ 23.013608][ T127] ? ip6_output+0x1d3/0x4a0 [ 23.018086][ T127] ip6_output+0x1f8/0x4a0 [ 23.022394][ T127] ? xfrm_pols_put+0x102/0x110 [ 23.027134][ T127] ? ac6_get_next+0x2a0/0x2a0 [ 23.031798][ T127] ? ip6_dst_idev+0x40/0x40 [ 23.036275][ T127] ? selinux_ipv6_forward+0x50/0x50 [ 23.041450][ T127] NF_HOOK+0xdd/0x280 [ 23.045406][ T127] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 23.051054][ T127] ? NF_HOOK+0x280/0x280 [ 23.055269][ T127] ? xfrm_lookup+0x38/0x50 [ 23.059668][ T127] ? ndisc_send_skb+0x57e/0xa30 [ 23.064491][ T127] ? memcpy+0x56/0x70 [ 23.068447][ T127] ndisc_send_skb+0x67f/0xa30 [ 23.073097][ T127] ? ndisc_fill_addr_option+0x320/0x320 [ 23.078619][ T127] ? __kasan_check_write+0x14/0x20 [ 23.083704][ T127] ? skb_set_owner_w+0x19e/0x2f0 [ 23.088618][ T127] ? skb_put+0x119/0x200 [ 23.092832][ T127] ndisc_send_rs+0x26c/0x360 [ 23.097399][ T127] addrconf_dad_completed+0x543/0xa70 [ 23.102751][ T127] ? addrconf_dad_stop+0x480/0x480 [ 23.107834][ T127] addrconf_dad_work+0xbdf/0x1440 [ 23.112832][ T127] ? INIT_LIST_HEAD+0x60/0x60 [ 23.117491][ T127] ? __schedule+0x83e/0xba0 [ 23.121970][ T127] ? __kasan_check_write+0x14/0x20 [ 23.127060][ T127] process_one_work+0x405/0x6c0 [ 23.132050][ T127] worker_thread+0x6fd/0xa80 [ 23.136618][ T127] ? __kthread_parkme+0x139/0x180 [ 23.141626][ T127] kthread+0x34c/0x420 [ 23.145669][ T127] ? pr_cont_work+0x110/0x110 [ 23.150321][ T127] ? __list_add+0xc0/0xc0 [ 23.154625][ T127] ret_from_fork+0x1f/0x30 [ 23.159076][ T127] ================================================================================ [ 23.168334][ T127] ================================================================================ [ 23.177709][ T127] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1941:2 [ 23.185431][ T127] member access within address ffffc900008e7180 with insufficient space [ 23.193772][ T127] for an object of type 'struct sk_buff' [ 23.199499][ T127] CPU: 0 PID: 127 Comm: kworker/0:2 Not tainted 5.15.0-syzkaller #0 [ 23.207541][ T127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 23.217572][ T127] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.223535][ T127] Call Trace: [ 23.226884][ T127] dump_stack_lvl+0x151/0x1b7 [ 23.231653][ T127] ? bfq_pos_tree_add_move+0x439/0x439 [ 23.237090][ T127] ? lookup+0x358/0x3b0 [ 23.241220][ T127] dump_stack+0x15/0x17 [ 23.245355][ T127] ubsan_type_mismatch_common+0x1e9/0x390 [ 23.251047][ T127] __ubsan_handle_type_mismatch_v1+0x4b/0x60 [ 23.257012][ T127] wg_xmit+0x573/0xae0 [ 23.261059][ T127] ? wg_stop+0x140/0x140 [ 23.265277][ T127] netdev_start_xmit+0x8a/0x160 [ 23.270199][ T127] dev_hard_start_xmit+0x18d/0x2f0 [ 23.275286][ T127] __dev_queue_xmit+0x1138/0x1d10 [ 23.280286][ T127] ? dev_queue_xmit+0x20/0x20 [ 23.284937][ T127] ? __kasan_check_write+0x14/0x20 [ 23.290021][ T127] ? _raw_write_lock_bh+0xa3/0x170 [ 23.295106][ T127] ? _raw_write_lock_irq+0x170/0x170 [ 23.300371][ T127] ? __kasan_check_write+0x14/0x20 [ 23.305463][ T127] ? ndisc_constructor+0x653/0x850 [ 23.310643][ T127] ? __local_bh_enable_ip+0x58/0x80 [ 23.315818][ T127] ? _raw_write_unlock_bh+0x31/0x47 [ 23.320998][ T127] ? dev_hard_header+0xdb/0xf0 [ 23.325753][ T127] dev_queue_xmit+0x17/0x20 [ 23.330249][ T127] neigh_connected_output+0x288/0x2b0 [ 23.335611][ T127] ip6_finish_output2+0xb03/0x1080 [ 23.340699][ T127] ? __ip6_finish_output+0x530/0x530 [ 23.345960][ T127] ? ip6_mtu+0xd8/0x120 [ 23.350097][ T127] ? ip6_skb_dst_mtu+0xaf/0x220 [ 23.354918][ T127] __ip6_finish_output+0x3e6/0x530 [ 23.360008][ T127] ip6_finish_output+0x1c9/0x1e0 [ 23.364942][ T127] ? ip6_output+0x1d3/0x4a0 [ 23.369508][ T127] ip6_output+0x1f8/0x4a0 [ 23.374136][ T127] ? xfrm_pols_put+0x102/0x110 [ 23.378880][ T127] ? ac6_get_next+0x2a0/0x2a0 [ 23.383531][ T127] ? ip6_dst_idev+0x40/0x40 [ 23.388026][ T127] ? selinux_ipv6_forward+0x50/0x50 [ 23.393220][ T127] NF_HOOK+0xdd/0x280 [ 23.397190][ T127] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 23.402801][ T127] ? NF_HOOK+0x280/0x280 [ 23.407104][ T127] ? xfrm_lookup+0x38/0x50 [ 23.411496][ T127] ? ndisc_send_skb+0x57e/0xa30 [ 23.416441][ T127] ? memcpy+0x56/0x70 [ 23.420410][ T127] ndisc_send_skb+0x67f/0xa30 [ 23.425071][ T127] ? ndisc_fill_addr_option+0x320/0x320 [ 23.430769][ T127] ? __kasan_check_write+0x14/0x20 [ 23.435859][ T127] ? skb_set_owner_w+0x19e/0x2f0 [ 23.440867][ T127] ? skb_put+0x119/0x200 [ 23.445097][ T127] ndisc_send_rs+0x26c/0x360 [ 23.449775][ T127] addrconf_dad_completed+0x543/0xa70 [ 23.455142][ T127] ? addrconf_dad_stop+0x480/0x480 [ 23.460246][ T127] addrconf_dad_work+0xbdf/0x1440 [ 23.465252][ T127] ? INIT_LIST_HEAD+0x60/0x60 [ 23.469908][ T127] ? __schedule+0x83e/0xba0 [ 23.474386][ T127] ? __kasan_check_write+0x14/0x20 2022/11/22 05:54:13 building call list... [ 23.479473][ T127] process_one_work+0x405/0x6c0 [ 23.484306][ T127] worker_thread+0x6fd/0xa80 [ 23.488873][ T127] ? __kthread_parkme+0x139/0x180 [ 23.493878][ T127] kthread+0x34c/0x420 [ 23.497954][ T127] ? pr_cont_work+0x110/0x110 [ 23.502617][ T127] ? __list_add+0xc0/0xc0 [ 23.506937][ T127] ret_from_fork+0x1f/0x30 [ 23.511380][ T127] ================================================================================ [ 24.048801][ T9] device bridge_slave_1 left promiscuous mode [ 24.054961][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.062980][ T9] device bridge_slave_0 left promiscuous mode [ 24.069352][ 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-build3350285293=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at 80b58a420 nothing to commit, working tree clean go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=80b58a4201a50d022574c185b387d54b3d442aae -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221006-140716'" "-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=80b58a4201a50d022574c185b387d54b3d442aae -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221006-140716'" "-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=80b58a4201a50d022574c185b387d54b3d442aae -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221006-140716'" "-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=\"80b58a4201a50d022574c185b387d54b3d442aae\"