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| author | Andrzej Hajda <a.hajda@samsung.com> | 2015-10-06 11:00:17 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-10-06 18:04:59 -0300 |
| commit | 38349665388fb079fb2bc8c46db9446dd976802a (patch) | |
| tree | 5b212fd3e5984d2faff65bf79bebc61f97f787c8 /tools/perf/util/thread_map.c | |
| parent | 1178bfd41f3ab6914eb6884875b776bc3032c9b5 (diff) | |
| download | blackbird-obmc-linux-38349665388fb079fb2bc8c46db9446dd976802a.tar.gz blackbird-obmc-linux-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 <a.hajda@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: kernel-janitors@vger.kernel.org
Link: http://lkml.kernel.org/r/1444122017-16856-1-git-send-email-a.hajda@samsung.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread_map.c')
0 files changed, 0 insertions, 0 deletions
