netdevsim netdevsim0 netdevsim1: renamed from eth1 netdevsim netdevsim0 netdevsim2: renamed from eth2 netdevsim netdevsim0 netdevsim3: renamed from eth3 ------------[ cut here ]------------ memcpy: detected field-spanning write (size 28) of single field "&endpoint.addr" at drivers/net/wireguard/netlink.c:446 (size 16) WARNING: CPU: 0 PID: 3617 at drivers/net/wireguard/netlink.c:446 set_peer+0x991/0x10c0 drivers/net/wireguard/netlink.c:446 Modules linked in: CPU: 0 PID: 3617 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220913-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:set_peer+0x991/0x10c0 drivers/net/wireguard/netlink.c:446 Code: 00 e8 c3 e2 b2 fc b9 10 00 00 00 48 c7 c2 80 57 72 8a be 1c 00 00 00 48 c7 c7 e0 57 72 8a c6 05 f0 ac 02 09 01 e8 51 ca 74 04 <0f> 0b e9 03 04 00 00 e8 93 e2 b2 fc 89 ee 44 89 ef e8 d9 de b2 fc RSP: 0018:ffffc90003eff540 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc90003eff6d8 RCX: 0000000000000000 RDX: ffff888020cbba80 RSI: ffffffff81611eb8 RDI: fffff520007dfe9a RBP: ffffc90003eff5e8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 7720676e696e6e6d R12: 000000000000001c R13: 0000000000000000 R14: ffff88806eb41904 R15: ffff88806eb88960 FS: 00005555562d2400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4c0b2d32c0 CR3: 000000006eef2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wg_set_device+0x8d7/0x11b0 drivers/net/wireguard/netlink.c:589 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:778 [inline] genl_rcv_msg+0x3b7/0x630 net/netlink/genetlink.c:795 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:806 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4c0a23c1cc Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007ffc42f47bd0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f4c0b2d4320 RCX: 00007f4c0a23c1cc RDX: 0000000000000170 RSI: 00007f4c0b2d4370 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007ffc42f47c24 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f4c0b2d4370 R14: 0000000000000005 R15: 0000000000000000