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| author | Andrzej Hajda <[email protected]> | 2015-10-06 09:00:17 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2015-10-06 21:04:59 +0000 |
| commit | 38349665388fb079fb2bc8c46db9446dd976802a (patch) | |
| tree | 5b212fd3e5984d2faff65bf79bebc61f97f787c8 /tools/perf/python | |
| parent | perf tools: Use hpp_dimension__add_output to register hpp columns (diff) | |
| download | kernel-38349665388fb079fb2bc8c46db9446dd976802a.tar.gz kernel-38349665388fb079fb2bc8c46db9446dd976802a.zip | |
perf tools: Fix handling read result using a signed variable
The function can return negative value, assigning it to unsigned
variable can cause memory corruption.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/python')
0 files changed, 0 insertions, 0 deletions