diff options
Diffstat (limited to 'exec.c')
-rw-r--r-- | exec.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -1612,7 +1612,13 @@ static void *file_ram_alloc(RAMBlock *block, void *area; block->page_size = qemu_fd_getpagesize(fd); - block->mr->align = block->page_size; + if (block->mr->align % block->page_size) { + error_setg(errp, "alignment 0x%" PRIx64 + " must be multiples of page size 0x%zx", + block->mr->align, block->page_size); + return NULL; + } + block->mr->align = MAX(block->page_size, block->mr->align); #if defined(__s390x__) if (kvm_enabled()) { block->mr->align = MAX(block->mr->align, QEMU_VMALLOC_ALIGN); |