linux-kernel - [PATCH v4 4/9] selftests/bpf: fix uprobe.path leak in bpf

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Message-ID: <20240801132724.GA8791@redhat.com>
Date: Thu, 1 Aug 2024 15:27:24 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: andrii@...nel.org, mhiramat@...nel.org, peterz@...radead.org
Cc: jolsa@...nel.org, rostedt@...dmis.org, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org
Subject: [PATCH v4 4/9] selftests/bpf: fix uprobe.path leak in bpf_testmod

From: Jiri Olsa <olsajiri@...il.com>

testmod_unregister_uprobe() forgets to path_put(&uprobe.path).

Signed-off-by: Jiri Olsa <olsajiri@...il.com>
Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
index fd28c1157bd3..72f565af4f82 100644
--- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
@@ -477,6 +477,7 @@ static void testmod_unregister_uprobe(void)
 	if (uprobe.offset) {
 		uprobe_unregister(d_real_inode(uprobe.path.dentry),
 				  uprobe.offset, &uprobe.consumer);
+		path_put(&uprobe.path);
 		uprobe.offset = 0;
 	}
 
-- 
2.25.1.362.g51ebf55