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From: syzbot <syzbot+1686d17ae576cc5f8a57@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Forwarded: [PATCH] tracing: uprobes: Fix invalid free on failed alloc_trace_uprobe
Date: Sun, 02 Aug 2026 20:24:07 -0700	[thread overview]
Message-ID: <6a7009d7.6ce73036.24301b.0022.GAE@google.com> (raw)
In-Reply-To: <6a6cd7f6.2d659fcc.1d46f5.0199.GAE@google.com>

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***

Subject: [PATCH] tracing: uprobes: Fix invalid free on failed alloc_trace_uprobe
Author: ryan.mehri1@gmail.com

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 11028ab62899

Signed-off-by: Ryan Mehri <ryan.mehri1@gmail.com>
---
 kernel/trace/trace_uprobe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index c274346853d1..c9ec9283d1ab 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -688,6 +688,7 @@ static int __trace_uprobe_create(int argc, const char **argv)
 	tu = alloc_trace_uprobe(group, event, argc, is_return);
 	if (IS_ERR(tu)) {
 		ret = PTR_ERR(tu);
+		tu = NULL;
 		/* This must return -ENOMEM otherwise there is a bug */
 		WARN_ON_ONCE(ret != -ENOMEM);
 		return ret;
-- 
2.55.0


      reply	other threads:[~2026-08-03  3:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-31 17:14 [syzbot] [fs?] general protection fault in path_put syzbot
2026-08-03  3:24 ` syzbot [this message]

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