From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+b4567a8b2d2ad5f9dd06@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kernfs?] possible deadlock in walk_component (4)
Date: Mon, 3 Feb 2025 16:39:53 +0800 [thread overview]
Message-ID: <20250203083954.2020-1-hdanton@sina.com> (raw)
In-Reply-To: <679fbfda.050a0220.d7c5a.0076.GAE@google.com>
On Sun, 02 Feb 2025 10:56:26 -0800
> syzbot has found a reproducer for the following issue on:
>
> hEAD commit: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g..
> git tree: upstream
> c reproducer: https://syzkaller.appspot.com/x/repro.c?x=15bf03df980000
#syz test
--- x/net/mac80211/rate.c
+++ y/net/mac80211/rate.c
@@ -217,7 +217,6 @@ ieee80211_rate_control_ops_get(const cha
const struct rate_control_ops *ops;
const char *alg_name;
- kernel_param_lock(THIS_MODULE);
if (!name)
alg_name = ieee80211_default_rc_algo;
else
@@ -233,8 +232,6 @@ ieee80211_rate_control_ops_get(const cha
/* try built-in one if specific alg requested but not found */
ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT);
- kernel_param_unlock(THIS_MODULE);
-
return ops;
}
--
next prev parent reply other threads:[~2025-02-03 8:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-18 22:16 [syzbot] [kernfs?] possible deadlock in walk_component (4) syzbot
2025-02-02 18:56 ` syzbot
2025-02-03 8:39 ` Hillf Danton [this message]
2025-02-03 9:03 ` syzbot
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