diff options
| author | Ian Rogers <[email protected]> | 2022-10-24 11:19:09 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2022-11-03 09:36:09 -0300 |
| commit | 853596fb71f7c2f7ff0de7b13f09d6598d4d56cd (patch) | |
| tree | b758f20e034ce623b724387b589b7e1e836d5eaf /lib/memory-notifier-error-inject.c | |
| parent | 7f3374299f9762ba7946138bf0d5cfbd50da111b (diff) | |
perf ftrace: Use sig_atomic_t to avoid UB
Use sig_atomic_t for a variable written to in a signal handler and
read elsewhere. This is undefined behavior as per:
https://wiki.sei.cmu.edu/confluence/display/c/SIG31-C.+Do+not+access+shared+objects+in+signal+handlers
Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alexey Bayduraev <[email protected]>
Cc: German Gomez <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions