This is a note to let you know that I've just added the patch titled
perf ui browser: Avoid SEGV on title
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-ui-browser-avoid-segv-on-title.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fd2420b6eee0cf4440c784f2d75dbd95ac7287dd
Author: Ian Rogers <irogers@xxxxxxxxxx>
Date: Tue May 7 20:52:58 2024 -0700
perf ui browser: Avoid SEGV on title
[ Upstream commit 90f01afb0dfafbc9b094bb61e61a4ac297d9d0d2 ]
If the title is NULL then it can lead to a SEGV.
Fixes: 769e6a1e15bdbbaf ("perf ui browser: Don't save pointer to stack memory")
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: James Clark <james.clark@xxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Leo Yan <leo.yan@xxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240508035301.1554434-2-irogers@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index c4cdf2ea69b72..19503e8387385 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -203,7 +203,7 @@ void ui_browser__refresh_dimensions(struct ui_browser *browser)
void ui_browser__handle_resize(struct ui_browser *browser)
{
ui__refresh_dimensions(false);
- ui_browser__show(browser, browser->title, ui_helpline__current);
+ ui_browser__show(browser, browser->title ?: "", ui_helpline__current);
ui_browser__refresh(browser);
}
