netdevsim netdevsim0 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6029 at kernel/kcov.c:872 kcov_remote_start+0xf7/0x6d0 kernel/kcov.c:872 Modules linked in: CPU: 1 UID: 0 PID: 6029 Comm: syz.0.24 Not tainted 6.16.0-rc6-syzkaller-00253-g4871b7cb27f4 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:kcov_remote_start+0xf7/0x6d0 kernel/kcov.c:872 Code: 65 4c 8b 3d 13 e8 13 12 4d 89 7c 24 28 8b 95 18 16 00 00 65 8b 05 19 e8 13 12 a9 00 01 ff 00 75 53 81 e2 ff ff ff bf 74 4b 90 <0f> 0b 90 e8 e1 7c ca 09 44 8b 1d ca 57 23 19 89 c0 48 03 1c c5 a0 RSP: 0018:ffffc900054169c0 EFLAGS: 00010002 RAX: 0000000080000200 RBX: ffffffff93d06968 RCX: 0000000000000001 RDX: 0000000000000002 RSI: ffffffff8de0ab25 RDI: ffffffff8c1572e0 RBP: ffff88804c8cc880 R08: 96ac79ccdb430bd5 R09: 0000000000000018 R10: ffffc90005416880 R11: 0000000000000001 R12: ffff8880b8528968 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88804c8cc880 FS: 00007fd0a6dc36c0(0000) GS:ffff888124822000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000030000 CR3: 000000005d5d6000 CR4: 00000000003526f0 Call Trace: kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x45f/0x2980 net/mac80211/rx.c:5402 ieee80211_rx_napi+0xdc/0x410 net/mac80211/rx.c:5443 ieee80211_rx include/net/mac80211.h:5185 [inline] ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:441 ieee80211_stop_device+0x32/0x110 net/mac80211/util.c:1563 ieee80211_do_stop+0x1ac3/0x2520 net/mac80211/iface.c:721 ieee80211_stop+0x165/0x300 net/mac80211/iface.c:814 __dev_close_many+0x29b/0x770 net/core/dev.c:1756 __dev_close net/core/dev.c:1768 [inline] __dev_change_flags+0x4d8/0x720 net/core/dev.c:9456 netif_change_flags+0x8d/0x160 net/core/dev.c:9521 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3141 rtnl_group_changelink net/core/rtnetlink.c:3773 [inline] __rtnl_newlink net/core/rtnetlink.c:3927 [inline] rtnl_newlink+0x18e0/0x2000 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x95b/0xe90 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x58d/0x850 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] ____sys_sendmsg+0xa98/0xc70 net/socket.c:2566 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620 __sys_sendmsg+0x16d/0x220 net/socket.c:2652 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd0a5f8e9a9 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:00007fd0a6dc3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd0a61b5fa0 RCX: 00007fd0a5f8e9a9 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 000000000000000b RBP: 00007fd0a6010d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd0a61b5fa0 R15: 00007ffdebfff608