netlink: 'syz.4.5': attribute type 10 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6630 at kernel/kcov.c:872 kcov_remote_start+0x3e8/0x54c kernel/kcov.c:-1 Modules linked in: CPU: 0 UID: 0 PID: 6630 Comm: syz.4.5 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kcov_remote_start+0x3e8/0x54c kernel/kcov.c:-1 lr : kcov_remote_start+0xc4/0x54c kernel/kcov.c:865 sp : ffff80009f876290 x29: ffff80009f876290 x28: ffff700013f0ec6c x27: 1fffe0001980190b x26: ffff0000cc00c858 x25: dfff800000000000 x24: 0000000000ff0100 x23: ffff80008f2e1de8 x22: 0000000000000000 x21: ffff80008f230dd0 x20: 0000000000000000 x19: ffff0000c9c90000 x18: 00000000ffffffff x17: ffff800092ef0000 x16: ffff80008ad9b058 x15: ffff800092a7ab38 x14: ffff0000c9c90a90 x13: ffff800092cf0bc0 x12: ffff0000c9c90ab0 x11: 0000000000080000 x10: 0000000000000003 x9 : 0000000000000200 x8 : 0000000000000002 x7 : ffff800080710e00 x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff80009f876040 x3 : 0000000000000000 x2 : ffff80008051d2e4 x1 : ffff80008ebb1f82 x0 : 0000000000000000 Call trace: kcov_remote_start+0x3e8/0x54c kernel/kcov.c:-1 (P) kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x408/0x25c4 net/mac80211/rx.c:5398 ieee80211_rx_napi+0x164/0x338 net/mac80211/rx.c:5439 ieee80211_rx include/net/mac80211.h:5179 [inline] ieee80211_handle_queued_frames+0xe8/0x17c net/mac80211/main.c:441 ieee80211_stop_device+0x38/0xdc net/mac80211/util.c:1574 ieee80211_do_stop+0x1348/0x1a14 net/mac80211/iface.c:715 ieee80211_stop+0x3d8/0x424 net/mac80211/iface.c:775 __dev_close_many+0x3d8/0x704 net/core/dev.c:1700 __dev_close net/core/dev.c:1712 [inline] __dev_change_flags+0x3e8/0x54c net/core/dev.c:9362 netif_change_flags+0x80/0x15c net/core/dev.c:9427 do_setlink+0xaa8/0x3860 net/core/rtnetlink.c:3152 rtnl_changelink net/core/rtnetlink.c:3772 [inline] __rtnl_newlink net/core/rtnetlink.c:3931 [inline] rtnl_newlink+0x10f8/0x15dc net/core/rtnetlink.c:4068 rtnetlink_rcv_msg+0x664/0x97c net/core/rtnetlink.c:6958 netlink_rcv_skb+0x230/0x414 net/netlink/af_netlink.c:2534 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6985 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] ____sys_sendmsg+0x490/0x7b8 net/socket.c:2566 ___sys_sendmsg+0x204/0x278 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __arm64_sys_sendmsg+0x184/0x238 net/socket.c:2655 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 2599 hardirqs last enabled at (2598): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (2598): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (2599): [] kcov_remote_start+0xa0/0x54c kernel/kcov.c:865 softirqs last enabled at (1676): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1676): [] netif_addr_unlock_bh include/linux/netdevice.h:4804 [inline] softirqs last enabled at (1676): [] ieee80211_do_stop+0x4c0/0x1a14 net/mac80211/iface.c:526 softirqs last disabled at (2596): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- bond0: (slave wlan1): Enslaving as an active interface with an up link