Forwarded: [PATCH] tracing: uprobes: Fix invalid free on failed alloc_trace_uprobe
From: syzbot
Date: Sun Aug 02 2026 - 23:27:38 EST
For archival purposes, forwarding an incoming command email to
linux-kernel@xxxxxxxxxxxxxxx.
***
Subject: [PATCH] tracing: uprobes: Fix invalid free on failed alloc_trace_uprobe
Author: ryan.mehri1@xxxxxxxxx
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 11028ab62899
Signed-off-by: Ryan Mehri <ryan.mehri1@xxxxxxxxx>
---
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