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authorIan Rogers <[email protected]>2023-10-09 11:39:09 -0700
committerNamhyung Kim <[email protected]>2023-10-12 10:01:56 -0700
commitb3aa09ee78defd3d2e5f7debb5279f8a92b69749 (patch)
tree77cb7946474a482be45699c5df4fbe51c6636f8f
parente2372136700d460276ca7ff07da523e8f61b69c7 (diff)
perf jitdump: Avoid memory leak
jit_repipe_unwinding_info is called in a loop by jit_process_dump, avoid leaking unwinding_data by free-ing before overwriting. Error detected by clang-tidy. Signed-off-by: Ian Rogers <[email protected]> Acked-by: Namhyung Kim <[email protected]> Cc: Ravi Bangoria <[email protected]> Cc: Nick Desaulniers <[email protected]> Cc: Yang Jihong <[email protected]> Cc: Huacai Chen <[email protected]> Cc: Nathan Chancellor <[email protected]> Cc: Kan Liang <[email protected]> Cc: [email protected] Cc: Ming Wang <[email protected]> Cc: Tom Rix <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Namhyung Kim <[email protected]>
-rw-r--r--tools/perf/util/jitdump.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 6b2b96c16ccd..1f657ef8975f 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -675,6 +675,7 @@ jit_repipe_unwinding_info(struct jit_buf_desc *jd, union jr_entry *jr)
jd->eh_frame_hdr_size = jr->unwinding.eh_frame_hdr_size;
jd->unwinding_size = jr->unwinding.unwinding_size;
jd->unwinding_mapped_size = jr->unwinding.mapped_size;
+ free(jd->unwinding_data);
jd->unwinding_data = unwinding_data;
return 0;