mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
------------[ cut here ]------------
intreq != rdev->scan_req && intreq != rdev->int_scan_req
WARNING: net/wireless/scan.c:1193 at cfg80211_scan_done+0x2d8/0x4a0 net/wireless/scan.c:1192, CPU#0: syz.9.3903/16992
Modules linked in:
CPU: 0 UID: 0 PID: 16992 Comm: syz.9.3903 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:cfg80211_scan_done+0x2d8/0x4a0 net/wireless/scan.c:1192
Code: 75 7b 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 c7 32 56 f7 90 0f 0b 90 e9 2a fe ff ff e8 b9 32 56 f7 90 <0f> 0b 90 e9 d0 fe ff ff e8 ab 32 56 f7 48 8d 3d 14 bc 0b 05 67 48
RSP: 0018:ffffc90004ae6da0 EFLAGS: 00010283
RAX: ffffffff8a6e2117 RBX: ffff888024c4e018 RCX: 0000000000080000
RDX: ffffc90014802000 RSI: 00000000000002fc RDI: 00000000000002fd
RBP: ffffc90004ae6e70 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: ffff888058540278
R13: dffffc0000000000 R14: ffff888024c4e000 R15: ffff888058540860
FS:  00007f3b79c5e6c0(0000) GS:ffff88812633f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5bdf1856b8 CR3: 000000005806a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __ieee80211_scan_completed+0x563/0xb70 net/mac80211/scan.c:510
 ieee80211_do_stop+0x251/0x2090 net/mac80211/iface.c:495
 ieee80211_runtime_change_iftype net/mac80211/iface.c:2018 [inline]
 ieee80211_if_change_type+0x430/0x940 net/mac80211/iface.c:2056
 ieee80211_change_iface+0xd5/0x510 net/mac80211/cfg.c:271
 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline]
 cfg80211_change_iface+0x6bf/0xed0 net/wireless/util.c:1218
 nl80211_set_interface+0x773/0xa90 net/wireless/nl80211.c:4694
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x831/0x9f0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 ____sys_sendmsg+0x94c/0x9c0 net/socket.c:2592
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2683 [inline]
 __se_sys_sendmsg net/socket.c:2681 [inline]
 __x64_sys_sendmsg+0x1c3/0x2a0 net/socket.c:2681
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3b7ba0c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3b79c5e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3b7bc85fa0 RCX: 00007f3b7ba0c799
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f3b7baa2c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3b7bc86038 R14: 00007f3b7bc85fa0 R15: 00007fff54586048
 </TASK>