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| author | Lennart Poettering <lennart@poettering.net> | 2022-04-13 16:25:32 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2022-04-13 16:26:31 +0200 |
| commit | 02b9047edf5ec7aef57f38adc4c7d18d27e61fbd (patch) | |
| tree | 3a3326a44aeaf7c634471e7f8e0c95d70d218814 /src/basic/devnum-util.c | |
| parent | ec61371fe656dff339024e0d843c36fc2f36cf8b (diff) | |
| download | systemd-02b9047edf5ec7aef57f38adc4c7d18d27e61fbd.tar.gz | |
devnum-util: catch potential stack overruns early
Diffstat (limited to 'src/basic/devnum-util.c')
| -rw-r--r-- | src/basic/devnum-util.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/basic/devnum-util.c b/src/basic/devnum-util.c index e0ecf54883..70c07315c5 100644 --- a/src/basic/devnum-util.c +++ b/src/basic/devnum-util.c @@ -18,6 +18,8 @@ int parse_devnum(const char *s, dev_t *ret) { n = strspn(s, DIGITS); if (n == 0) return -EINVAL; + if (n > DECIMAL_STR_MAX(dev_t)) + return -EINVAL; if (s[n] != ':') return -EINVAL; |