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unix: prevent uv__make_subdirs_p buffer overflow

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This commit is contained in:
Levent Kaya 2026-03-17 14:48:07 +03:00
parent fa38eb43df
commit 9ff7cb7650
1 changed files with 8 additions and 0 deletions
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8
src/unix/aix.c
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@ -521,6 +521,8 @@ static int uv__make_subdirs_p(const char *filename) {
char cmd[2048];
char *p;
int rc = 0;
size_t cmd_len;
ptrdiff_t dir_part_len;
/* Strip off the monitor file name */
p = strrchr(filename, '/');
@ -534,6 +536,12 @@ static int uv__make_subdirs_p(const char *filename) {
sprintf(cmd, "/aha/fs/modFile.monFactory");
}
cmd_len = strlen(cmd);
dir_part_len = p - filename;
if (cmd_len + (size_t)dir_part_len + 1 > sizeof(cmd))
return UV_ENAMETOOLONG;
strncat(cmd, filename, (p - filename));
rc = uv__makedir_p(cmd);