From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+30de9d963fdd95d745f8@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [wireless?] possible deadlock in ieee80211_change_mac (3)
Date: Sat, 15 Mar 2025 15:09:39 +0800 [thread overview]
Message-ID: <tencent_8B2EEC8C8567D4C6F652C48644498B2EC206@qq.com> (raw)
In-Reply-To: <67d4651e.050a0220.14e108.0048.GAE@google.com>
#syz test
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 12b780de8779..eed4c06cd40b 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1477,12 +1477,13 @@ int cfg80211_register_netdevice(struct net_device *dev)
lockdep_assert_held(&rdev->wiphy.mtx);
/* we'll take care of this */
- wdev->registered = true;
wdev->registering = true;
+ wiphy_unlock(&rdev->wiphy);
ret = register_netdevice(dev);
if (ret)
goto out;
+ wiphy_lock(&rdev->wiphy);
cfg80211_register_wdev(rdev, wdev);
ret = 0;
out:
next prev parent reply other threads:[~2025-03-15 7:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-14 17:19 syzbot
2025-03-15 6:26 ` Edward Adam Davis
2025-03-15 6:52 ` syzbot
2025-03-15 7:09 ` Edward Adam Davis [this message]
2025-03-15 7:35 ` syzbot
2025-03-16 1:04 ` Edward Adam Davis
2025-03-16 1:24 ` syzbot
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