------------[ cut here ]------------ WARNING: CPU: 1 PID: 9594 at kernel/kcov.c:869 kcov_remote_start+0x42c/0x5b8 kernel/kcov.c:-1 Modules linked in: CPU: 1 PID: 9594 Comm: syz.1.1654 Not tainted 6.1.144-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kcov_remote_start+0x42c/0x5b8 kernel/kcov.c:-1 lr : kcov_remote_start+0xe0/0x5b8 kernel/kcov.c:862 sp : ffff800021496350 x29: ffff800021496350 x28: ffff0000dca36218 x27: ffff700004292c8c x26: ffff0000dbfb8ea0 x25: 1fffe0001b946c43 x24: 0000000000ff0100 x23: ffff8000150b1140 x22: 0000000000000000 x21: ffff8000150094b0 x20: 0000000000000000 x19: ffff0000c9f31bc0 x18: ffff800011aabce0 x17: ffff8000181e6000 x16: ffff800008042c60 x15: ffff800017cc6fc0 x14: ffff0000c9f32658 x13: ffff0000c9f326d0 x12: 0000000000080000 x11: 0000000000006ac1 x10: 0000000000000003 x9 : 0000000000000200 x8 : 0000000000000002 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000185430f0 x4 : 0000000000000008 x3 : ffff8000082d13d0 x2 : 0000000000000001 x1 : ffff800011aae920 x0 : 0000000000000001 Call trace: kcov_remote_start+0x42c/0x5b8 kernel/kcov.c:-1 kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x424/0x234c net/mac80211/rx.c:5272 ieee80211_rx_napi+0x164/0x338 net/mac80211/rx.c:5313 ieee80211_rx include/net/mac80211.h:4844 [inline] ieee80211_handle_queued_frames+0xe8/0x188 net/mac80211/main.c:317 ieee80211_stop_device+0x24/0x88 net/mac80211/util.c:2211 ieee80211_do_stop+0x1284/0x1924 net/mac80211/iface.c:742 ieee80211_stop+0x3a8/0x410 net/mac80211/iface.c:801 __dev_close_many+0x2a4/0x394 net/core/dev.c:1572 __dev_close net/core/dev.c:1584 [inline] __dev_change_flags+0x3e8/0x54c net/core/dev.c:8624 dev_change_flags+0x80/0x154 net/core/dev.c:8697 do_setlink+0xa24/0x32c4 net/core/rtnetlink.c:2833 __rtnl_newlink net/core/rtnetlink.c:3608 [inline] rtnl_newlink+0x12d0/0x1a1c net/core/rtnetlink.c:3655 rtnetlink_rcv_msg+0x734/0xce4 net/core/rtnetlink.c:6153 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2493 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x600/0x818 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x25c/0x320 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 439 hardirqs last enabled at (438): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (438): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (439): [] kcov_remote_start+0xbc/0x5b8 kernel/kcov.c:862 softirqs last enabled at (372): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (372): [] netif_addr_unlock_bh include/linux/netdevice.h:4510 [inline] softirqs last enabled at (372): [] ieee80211_do_stop+0x4ec/0x1924 net/mac80211/iface.c:543 softirqs last disabled at (436): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---