syzbot

IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
bond0: (slave wlan1): Releasing backup interface
------------[ cut here ]------------
WARNING: CPU: 1 PID: 13501 at kernel/kcov.c:869 arch_local_irq_restore arch/x86/include/asm/irqflags.h:137 [inline]
WARNING: CPU: 1 PID: 13501 at kernel/kcov.c:869 kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:887
Modules linked in:
CPU: 1 PID: 13501 Comm: syz.1.2872 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:869
Code: ff ff 4c 89 ff be 03 00 00 00 e8 4e 3f 86 02 e9 f0 fa ff ff e8 04 ef 96 08 f7 c3 00 02 00 00 0f 84 df fa ff ff e9 5a fc ff ff <0f> 0b e8 8c 03 97 08 89 c0 48 c7 c7 30 b1 02 00 48 03 3c c5 80 49
RSP: 0018:ffffc90003de6310 EFLAGS: 00010002
RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002
RDX: ffffffff90492630 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760
RBP: ffffc90003de6570 R08: dffffc0000000000 R09: fffffbfff267032e
R10: fffffbfff267032e R11: 1ffffffff267032d R12: ffff8880b8f2b130
R13: ffffffff8180de4b R14: ffff8880250f3b80 R15: 0000000000000000
FS:  00007fa17bb1c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75e07156c0 CR3: 000000008b671000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x4c5/0x2d00 net/mac80211/rx.c:5288
 ieee80211_rx_napi+0x1a6/0x3c0 net/mac80211/rx.c:5329
 ieee80211_rx include/net/mac80211.h:4846 [inline]
 ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317
 ieee80211_stop_device+0x27/0xa0 net/mac80211/util.c:2211
 ieee80211_do_stop+0x16a4/0x1d70 net/mac80211/iface.c:742
 ieee80211_stop+0x432/0x4a0 net/mac80211/iface.c:801
 __dev_close_many+0x1bf/0x2a0 net/core/dev.c:1572
 dev_close_many+0x21f/0x400 net/core/dev.c:1597
 dev_close+0x14c/0x200 net/core/dev.c:1623
 __bond_release_one+0xca4/0x1270 drivers/net/bonding/bond_main.c:2518
 do_set_master net/core/rtnetlink.c:2616 [inline]
 do_setlink+0xe3c/0x3c40 net/core/rtnetlink.c:2840
 rtnl_group_changelink net/core/rtnetlink.c:3361 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3618 [inline]
 rtnl_newlink+0x10a3/0x1ff0 net/core/rtnetlink.c:3655
 rtnetlink_rcv_msg+0x79b/0xed0 net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x59b/0x970 net/socket.c:2519
 ___sys_sendmsg+0x21c/0x290 net/socket.c:2573
 __sys_sendmsg net/socket.c:2602 [inline]
 __do_sys_sendmsg net/socket.c:2611 [inline]
 __se_sys_sendmsg+0x19e/0x270 net/socket.c:2609
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa17ab8f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa17bb1c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa17ade5fa0 RCX: 00007fa17ab8f749
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000006
RBP: 00007fa17ac13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa17ade6038 R14: 00007fa17ade5fa0 R15: 00007ffd010cac98
 </TASK>