IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready list_add double add: new=ffff8880746b3160, prev=ffff8880187bc050, next=ffff8880746b3160. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:29! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9394 Comm: syz-executor.4 Not tainted 5.15.0-rc4-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: 0c df 50 fb 4c 89 e1 48 c7 c7 a0 7e 20 89 e8 82 f2 f1 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 e0 7f 20 89 e8 6b f2 f1 ff <0f> 0b 48 89 f1 48 c7 c7 60 7f 20 89 4c 89 e6 e8 57 f2 f1 ff 0f 0b RSP: 0018:ffffc900029cea78 EFLAGS: 00010286 RAX: 0000000000000058 RBX: ffff8880746b3160 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89207da0 RDI: fffff52000539d42 RBP: ffff8880746b3160 R08: 0000000000000058 R09: ffff8880b9f33f87 R10: ffffed10173e67f0 R11: 6464615f7473696c R12: ffff8880746b3160 R13: ffff8880746b3170 R14: ffff8880746b3000 R15: ffff8880187bc050 FS: 00007f21ee03d700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000006ff13000 CR4: 00000000003506e0 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+0x385/0x980 net/core/dev.c:6889 veth_enable_xdp_range+0x140/0x270 drivers/net/veth.c:1009 veth_enable_xdp+0x213/0x5b0 drivers/net/veth.c:1063 veth_xdp_set drivers/net/veth.c:1483 [inline] veth_xdp+0x3c1/0x620 drivers/net/veth.c:1523 bond_xdp_set drivers/net/bonding/bond_main.c:5217 [inline] bond_xdp+0x2bf/0x840 drivers/net/bonding/bond_main.c:5263 dev_xdp_install+0xbf/0x210 net/core/dev.c:9365 dev_xdp_attach+0x499/0xd10 net/core/dev.c:9513 dev_change_xdp_fd+0x22a/0x280 net/core/dev.c:9753 do_setlink+0x24c1/0x2d60 net/core/rtnetlink.c:2931 rtnl_group_changelink net/core/rtnetlink.c:3242 [inline] __rtnl_newlink+0x90c/0x13e0 net/core/rtnetlink.c:3396 rtnl_newlink+0x5a/0x90 net/core/rtnetlink.c:3506 rtnetlink_rcv_msg+0x31d/0x8d0 net/core/rtnetlink.c:5572 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2491 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x706/0xbf0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:724 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2409 ___sys_sendmsg+0xd3/0x150 net/socket.c:2463 __sys_sendmsg+0xb2/0x140 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: 0033:0x7f21ee8c68d9 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:00007f21ee03d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f21ee9caf60 RCX: 00007f21ee8c68d9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f21ee920cb4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc56b8ca0f R14: 00007f21ee03d300 R15: 0000000000022000 Modules linked in: ---[ end trace ea2a231480aa5292 ]--- RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 Code: 0c df 50 fb 4c 89 e1 48 c7 c7 a0 7e 20 89 e8 82 f2 f1 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 e0 7f 20 89 e8 6b f2 f1 ff <0f> 0b 48 89 f1 48 c7 c7 60 7f 20 89 4c 89 e6 e8 57 f2 f1 ff 0f 0b RSP: 0018:ffffc900029cea78 EFLAGS: 00010286 RAX: 0000000000000058 RBX: ffff8880746b3160 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89207da0 RDI: fffff52000539d42 RBP: ffff8880746b3160 R08: 0000000000000058 R09: ffff8880b9f33f87 R10: ffffed10173e67f0 R11: 6464615f7473696c R12: ffff8880746b3160 R13: ffff8880746b3170 R14: ffff8880746b3000 R15: ffff8880187bc050 FS: 00007f21ee03d700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000006ff13000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400