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devnum-util: catch potential stack overruns early

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This commit is contained in:
Lennart Poettering 2022-04-13 16:25:32 +02:00
parent ec61371fe6
commit 02b9047edf
1 changed files with 2 additions and 0 deletions
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2
src/basic/devnum-util.c
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@ -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;