diff options
| -rw-r--r-- | NEWS | 3 | ||||
| -rw-r--r-- | ext/shmop/shmop.c | 5 |
2 files changed, 8 insertions, 0 deletions
@@ -20,6 +20,9 @@ PHP NEWS . Fixed bug #79412 (Opcache chokes and uses 100% CPU on specific script). (Dmitry) +- Shmop: + . Fixed bug #79427 (Integer Overflow in shmop_open()). (cmb) + - SimpleXML: . Fixed bug #61597 (SXE properties may lack attributes and content). (cmb) diff --git a/ext/shmop/shmop.c b/ext/shmop/shmop.c index d0d226bbbc..1509b80b0a 100644 --- a/ext/shmop/shmop.c +++ b/ext/shmop/shmop.c @@ -207,6 +207,11 @@ PHP_FUNCTION(shmop_open) goto err; } + if (shm.shm_segsz > ZEND_LONG_MAX) { + php_error_docref(NULL, E_WARNING, "shared memory segment too large to attach"); + goto err; + } + shmop->addr = shmat(shmop->shmid, 0, shmop->shmatflg); if (shmop->addr == (char*) -1) { php_error_docref(NULL, E_WARNING, "unable to attach to shared memory segment '%s'", strerror(errno)); |