diff options
| -rw-r--r-- | payloads/libpayload/libc/malloc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/payloads/libpayload/libc/malloc.c b/payloads/libpayload/libc/malloc.c index fe3d45bab8..3c6cf5d833 100644 --- a/payloads/libpayload/libc/malloc.c +++ b/payloads/libpayload/libc/malloc.c @@ -92,13 +92,15 @@ static void *alloc(int len) header = *((hdrtype_t *) ptr); int size = SIZE(header); - if (!HAS_MAGIC(header) || size == 0) + if (!HAS_MAGIC(header) || size == 0) { + printf("memory allocator panic.\n"); halt(); + } if (header & FLAG_FREE) { if (len <= size) { void *nptr = ptr + (HDRSIZE + len); - int nsize = size - (len + 8); + int nsize = size - (HDRSIZE + len); /* Mark the block as used. */ *((hdrtype_t *) ptr) = USED_BLOCK(len); @@ -109,7 +111,7 @@ static void *alloc(int len) if (nsize > 0) *((hdrtype_t *) nptr) = - FREE_BLOCK(nsize - 4); + FREE_BLOCK(nsize); return (void *)(ptr + HDRSIZE); } |