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| author | Ruediger Meier | 2017-06-27 20:32:52 +0200 |
|---|---|---|
| committer | Ruediger Meier | 2017-06-27 21:39:35 +0200 |
| commit | e230ae7b68814a2ea560e5138188a58128e34417 (patch) | |
| tree | 8eaab2a06c417004a5477ad6cba769639eb72a76 /include | |
| parent | setpriv: add --ambient-caps to usage() (diff) | |
| download | kernel-qcow2-util-linux-e230ae7b68814a2ea560e5138188a58128e34417.tar.gz kernel-qcow2-util-linux-e230ae7b68814a2ea560e5138188a58128e34417.tar.xz kernel-qcow2-util-linux-e230ae7b68814a2ea560e5138188a58128e34417.zip | |
lib/path: fix crash, pathbuf overflow
Before:
$ lscpu -s "$(tr '\0' 'x' < /dev/zero | head -c 10000)"
Segmentation fault (core dumped)
After:
$ lscpu -s "$(tr '\0' 'x' < /dev/zero | head -c 10000)"
lscpu: invalid argument to --sysroot: File name too long
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Diffstat (limited to 'include')
| -rw-r--r-- | include/path.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/path.h b/include/path.h index 45da692f8..11c336759 100644 --- a/include/path.h +++ b/include/path.h @@ -27,7 +27,11 @@ extern cpu_set_t *path_read_cpuset(int, const char *path, ...) __attribute__ ((__format__ (__printf__, 2, 3))); extern cpu_set_t *path_read_cpulist(int, const char *path, ...) __attribute__ ((__format__ (__printf__, 2, 3))); -extern void path_set_prefix(const char *); + +/* Returns: 0 on success, sets errno on error. */ +extern int path_set_prefix(const char *) + __attribute__((warn_unused_result)); + #endif /* HAVE_CPU_SET_T */ #endif /* UTIL_LINUX_PATH_H */ |