[syzbot] [wireless?] WARNING in drv_link_info_changed (3)

[syzbot] [wireless?] WARNING in drv_link_info_changed (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    4cbfe4502e3d Merge tag 'v7.1-rc5-ksmbd-server-fixes' of gi..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13bb6d96580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e327ee9a867dd6b9
dashboard link: https://syzkaller.appspot.com/bug?extid=c4686c3eb8b64032618f
compiler:       gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-4cbfe450.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ae30bc5ef3ba/vmlinux-4cbfe450.xz
kernel image: https://storage.googleapis.com/syzbot-assets/2547601acb10/bzImage-4cbfe450.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c4686c3eb8b64032618f@syzkaller.appspotmail.com

------------[ cut here ]------------
changed & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED) && sdata->vif.type != NL80211_IFTYPE_AP && sdata->vif.type != NL80211_IFTYPE_ADHOC && sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_OCB
WARNING: net/mac80211/driver-ops.c:468 at drv_link_info_changed+0x583/0x880 net/mac80211/driver-ops.c:468, CPU#3: syz.5.1844/11254
Modules linked in:
CPU: 3 UID: 0 PID: 11254 Comm: syz.5.1844 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:drv_link_info_changed+0x583/0x880 net/mac80211/driver-ops.c:468
Code: 00 48 89 74 24 10 e8 3c 3d 0f f7 48 8d 3d 75 29 ef 05 48 8b 74 24 10 44 89 f2 67 48 0f b9 3a e9 ae fc ff ff e8 1e 3d 0f f7 90 <0f> 0b 90 e9 bf fe ff ff e8 10 3d 0f f7 90 0f 0b 90 e9 b1 fe ff ff
RSP: 0018:ffffc900065bee48 EFLAGS: 00010287
RAX: 000000000000096f RBX: ffff8880277d4e40 RCX: ffffc90007392000
RDX: 0000000000080000 RSI: ffffffff8af974c2 RDI: ffff88802aa42500
RBP: 0000000000000200 R08: 0000000000000005 R09: 000000000000000b
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000002
R13: ffff88805f010f20 R14: 0000000000000200 R15: ffff8880277d6b78
FS:  00007fae699f66c0(0000) GS:ffff8880d666a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000044d79000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_link_info_change_notify+0x24b/0x3c0 net/mac80211/main.c:427
 ieee80211_offchannel_stop_vifs+0x328/0x5c0 net/mac80211/offchannel.c:122
 ieee80211_start_sw_scan net/mac80211/scan.c:583 [inline]
 __ieee80211_start_scan+0xfb6/0x1af0 net/mac80211/scan.c:882
 ieee80211_scan+0x4f8/0x6e0 net/mac80211/cfg.c:3343
 rdev_scan+0x148/0x370 net/wireless/rdev-ops.h:467
 cfg80211_scan+0x4dd/0x5d0 net/wireless/scan.c:1077
 cfg80211_conn_scan+0x70e/0xfc0 net/wireless/sme.c:134
 cfg80211_sme_connect net/wireless/sme.c:629 [inline]
 cfg80211_connect+0x17fe/0x1fe0 net/wireless/sme.c:1527
 nl80211_connect+0x17d3/0x2260 net/wireless/nl80211.c:13745
 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x159/0x420 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+0x585/0x850 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 ____sys_sendmsg+0x9e1/0xb70 net/socket.c:2698
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2752
 __sys_sendmsg+0x170/0x220 net/socket.c:2784
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fae6b79ce59
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:00007fae699f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fae6ba15fa0 RCX: 00007fae6b79ce59
RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004
RBP: 00007fae6b832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fae6ba16038 R14: 00007fae6ba15fa0 R15: 00007ffc87f56808
 </TASK>


---
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