* [PATCH AUTOSEL 5.4 14/18] samples/bpf: Fix fout leak in hbm's run_bpf_prog
[not found] <20230504195042.3808716-1-sashal@kernel.org>
@ 2023-05-04 19:50 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2023-05-04 19:50 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Hao Zeng, Daniel Borkmann, Sasha Levin, ast, andrii, bpf
From: Hao Zeng <zenghao@kylinos.cn>
[ Upstream commit 23acb14af1914010dd0aae1bbb7fab28bf518b8e ]
Fix fout being fopen'ed but then not subsequently fclose'd. In the affected
branch, fout is otherwise going out of scope.
Signed-off-by: Hao Zeng <zenghao@kylinos.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230411084349.1999628-1-zenghao@kylinos.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
samples/bpf/hbm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index e0fbab9bec83e..6d6d4e4ea8437 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -307,6 +307,7 @@ static int run_bpf_prog(char *prog, int cg_id)
fout = fopen(fname, "w");
fprintf(fout, "id:%d\n", cg_id);
fprintf(fout, "ERROR: Could not lookup queue_stats\n");
+ fclose(fout);
} else if (stats_flag && qstats.lastPacketTime >
qstats.firstPacketTime) {
long long delta_us = (qstats.lastPacketTime -
--
2.39.2
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