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Both readlink args should not point to the same buffer

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David Carlier 2019-04-15 09:03:11 +00:00 committed by Nikita Popov
parent daa78d7749
commit e1e63b89f4
1 changed files with 3 additions and 2 deletions
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5
Zend/zend_gdb.c
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@ -123,9 +123,10 @@ ZEND_API int zend_gdb_present(void)
}
pid = atoi(s);
if (pid) {
char out[1024];
sprintf(buf, "/proc/%d/exe", (int)pid);
if (readlink(buf, buf, sizeof(buf) - 1) > 0) {
if (strstr(buf, "gdb")) {
if (readlink(buf, out, sizeof(out) - 1) > 0) {
if (strstr(out, "gdb")) {
ret = 1;
}
}