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| author | Rich Felker <dalias@aerifal.cx> | 2014-09-05 14:01:13 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2014-09-05 14:01:13 -0400 |
| commit | 3bed89aa7456d9fe30e550cb5e21f8911036695b (patch) | |
| tree | 4cb9f47d5d2fdec6409a259ec8a18a455ea7efc4 /src/conf | |
| parent | 633183b5d1c298e4335da841926efe96252057b3 (diff) | |
| download | musl-3bed89aa7456d9fe30e550cb5e21f8911036695b.tar.gz musl-3bed89aa7456d9fe30e550cb5e21f8911036695b.tar.xz musl-3bed89aa7456d9fe30e550cb5e21f8911036695b.zip | |
fix off-by-one in bounds check in fpathconf
this error resulted in an out-of-bounds read, as opposed to a reported error, when calling the function with an argument one greater than the max valid index.
Diffstat (limited to 'src/conf')
| -rw-r--r-- | src/conf/fpathconf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/conf/fpathconf.c b/src/conf/fpathconf.c index 28c4345c..8eb037e6 100644 --- a/src/conf/fpathconf.c +++ b/src/conf/fpathconf.c @@ -27,7 +27,7 @@ long fpathconf(int fd, int name) [_PC_SYMLINK_MAX] = SYMLINK_MAX, [_PC_2_SYMLINKS] = 1 }; - if (name > sizeof(values)/sizeof(values[0])) { + if (name >= sizeof(values)/sizeof(values[0])) { errno = EINVAL; return -1; } |