syzbot

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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): [<ffff800011a30e4c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (438): [<ffff800011a30e4c>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (439): [<ffff8000084a2584>] kcov_remote_start+0xbc/0x5b8 kernel/kcov.c:862
softirqs last  enabled at (372): [<ffff8000111c53d8>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (372): [<ffff8000111c53d8>] netif_addr_unlock_bh include/linux/netdevice.h:4510 [inline]
softirqs last  enabled at (372): [<ffff8000111c53d8>] ieee80211_do_stop+0x4ec/0x1924 net/mac80211/iface.c:543
softirqs last disabled at (436): [<ffff800011261e48>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---