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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-08-02 13:43:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-04 11:09:56 +0200 |
| commit | 7e030655dda5b5efc4305e2a8f46c4967d32eb3d (patch) | |
| tree | 76afe22fedb4914718b8962f86203d8a06ff166d /tools | |
| parent | perf top: Add mwait_idle_with_hints to skip_symbols[] (diff) | |
| download | linux-7e030655dda5b5efc4305e2a8f46c4967d32eb3d.tar.xz linux-7e030655dda5b5efc4305e2a8f46c4967d32eb3d.zip | |
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')
| -rw-r--r-- | tools/perf/builtin-report.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/quote.c | 2 |
2 files changed, 2 insertions, 2 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; diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c index c6e5dc0dc82f..2726fe40eb5d 100644 --- a/tools/perf/util/quote.c +++ b/tools/perf/util/quote.c @@ -318,7 +318,7 @@ char *quote_path_relative(const char *in, int len, strbuf_addch(out, '"'); if (prefix) { int off = 0; - while (prefix[off] && off < len && prefix[off] == in[off]) + while (off < len && prefix[off] && prefix[off] == in[off]) if (prefix[off] == '/') { prefix += off + 1; in += off + 1; |