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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-08-02 15:43:11 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-04 13:09:56 +0400 |
| commit | 7e030655dda5b5efc4305e2a8f46c4967d32eb3d (patch) | |
| tree | 76afe22fedb4914718b8962f86203d8a06ff166d /tools/perf/builtin-report.c | |
| parent | 59b9005692d4c8b5d73cfc41aa7229f47be163a9 (diff) | |
| download | linux-7e030655dda5b5efc4305e2a8f46c4967d32eb3d.tar.xz | |
perf: Fix read buffer overflow
Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: a.p.zijlstra@chello.nl
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4A757BCF.40101@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 95fd06cdaa99..ce4f28645e64 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -253,7 +253,7 @@ static int strcommon(const char *pathname) { int n = 0; - while (pathname[n] == cwd[n] && n < cwdlen) + while (n < cwdlen && pathname[n] == cwd[n]) ++n; return n; |