IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready list_add double add: new=ffff888077a8d160, prev=ffff888077bc4050, next=ffff888077a8d160. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:29! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11009 Comm: syz-executor.4 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 Code: 74 17 d9 fa 4c 89 e1 48 c7 c7 80 6f e4 89 e8 aa 7f f1 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 c0 70 e4 89 e8 93 7f f1 ff <0f> 0b 48 89 f1 48 c7 c7 40 70 e4 89 4c 89 e6 e8 7f 7f f1 ff 0f 0b RSP: 0018:ffffc90002c9ea40 EFLAGS: 00010282 RAX: 0000000000000058 RBX: 0000000000000040 RCX: 0000000000000000 RDX: ffff888075d89d00 RSI: ffffffff815ef908 RDI: fffff52000593d3a RBP: ffff888077a8d160 R08: 0000000000000058 R09: 0000000000000000 R10: ffffffff815e96ee R11: 0000000000000000 R12: ffff888077a8d160 R13: ffff888077a8d000 R14: ffff888077a8d160 R15: ffff888077a8d160 FS: 00007f8deccd9700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0768b03998 CR3: 0000000072242000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add_rcu include/linux/rculist.h:79 [inline] list_add_rcu include/linux/rculist.h:106 [inline] netif_napi_add+0x3fd/0x9c0 net/core/dev.c:6913 veth_enable_xdp_range+0x1ba/0x370 drivers/net/veth.c:1009 veth_enable_xdp+0x2a5/0x620 drivers/net/veth.c:1065 veth_xdp_set drivers/net/veth.c:1485 [inline] veth_xdp+0x4d4/0x780 drivers/net/veth.c:1525 bond_xdp_set drivers/net/bonding/bond_main.c:5217 [inline] bond_xdp+0x325/0x920 drivers/net/bonding/bond_main.c:5263 dev_xdp_install+0xd5/0x270 net/core/dev.c:9384 dev_xdp_attach+0x83d/0x1010 net/core/dev.c:9532 dev_change_xdp_fd+0x246/0x300 net/core/dev.c:9772 do_setlink+0x2fb4/0x3970 net/core/rtnetlink.c:2931 rtnl_group_changelink net/core/rtnetlink.c:3242 [inline] __rtnl_newlink+0xc06/0x1750 net/core/rtnetlink.c:3396 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3506 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 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+0x44/0xae RIP: 0033:0x7f8ded563a39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8deccd9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8ded676f60 RCX: 00007f8ded563a39 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 00007f8ded5bde8f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff577b05ff R14: 00007f8deccd9300 R15: 0000000000022000 Modules linked in: ---[ end trace a469a1fc9da802bf ]--- RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 Code: 74 17 d9 fa 4c 89 e1 48 c7 c7 80 6f e4 89 e8 aa 7f f1 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 c0 70 e4 89 e8 93 7f f1 ff <0f> 0b 48 89 f1 48 c7 c7 40 70 e4 89 4c 89 e6 e8 7f 7f f1 ff 0f 0b RSP: 0018:ffffc90002c9ea40 EFLAGS: 00010282 RAX: 0000000000000058 RBX: 0000000000000040 RCX: 0000000000000000 RDX: ffff888075d89d00 RSI: ffffffff815ef908 RDI: fffff52000593d3a RBP: ffff888077a8d160 R08: 0000000000000058 R09: 0000000000000000 R10: ffffffff815e96ee R11: 0000000000000000 R12: ffff888077a8d160 R13: ffff888077a8d000 R14: ffff888077a8d160 R15: ffff888077a8d160 FS: 00007f8deccd9700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0768b03998 CR3: 0000000072242000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400