6.13-stable review patch. If anyone has any objections, please let me know.
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From: Ian Rogers irogers@google.com
[ Upstream commit bda840191d2aae3b7cadc3ac21835dcf29487191 ]
In debug_file, pr_warning_once is called on error. As that function calls debug_file the function will yield a stack overflow. Switch the location of the call so the recursion is avoided.
Reviewed-by: Howard Chu howardchu95@gmail.com Signed-off-by: Ian Rogers irogers@google.com Reviewed-by: Arnaldo Carvalho de Melo acme@redhat.com Link: https://lore.kernel.org/r/20250228222308.626803-2-irogers@google.com Fixes: ec49230cf6dda704 ("perf debug: Expose debug file") Signed-off-by: Namhyung Kim namhyung@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 995f6bb05b5f8..f9ef7d045c92e 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -46,8 +46,8 @@ int debug_type_profile; FILE *debug_file(void) { if (!_debug_file) { - pr_warning_once("debug_file not set"); debug_set_file(stderr); + pr_warning_once("debug_file not set"); } return _debug_file; }