Buffer for second argument of realpath should be size PATH_MAX.
Patch by Sergey Vlasov in the attachment.
--- qemu-0.9.0/block.c.alt-realpath 2007-02-06 22:06:26 +0300
+++ qemu-0.9.0/block.c 2007-02-06 22:16:31 +0300
@@ -326,8 +326,8 @@ int bdrv_open2(BlockDriverState *bs, con
BlockDriver *drv)
{
int ret, open_flags;
- char tmp_filename[1024];
- char backing_filename[1024];
+ char tmp_filename[PATH_MAX];
+ char backing_filename[PATH_MAX];
bs->read_only = 0;
bs->is_temporary = 0;
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