git fsck: failed to apply delta

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Hi

I'm getting this when running git fsck or git repack against a large
(21G) repo which was created from subversion using git svn clone:

	fatal: failed to apply delta

The debugging patch below indicates that this repo fails the sanity
check for the size in patch_delta(). With this patch applied I'm
getting the following additional output

	error: bad delta header size, expected: 236, have 1994568

This is 100% reproducible. I'm using the git master branch as of
today (5ae0f681) but the same problem showed up also with an older
git version.

Does anybody know what's going on here?

Thanks
Andre
---

diff --git a/patch-delta.c b/patch-delta.c
index 56e0a5e..cff4d79 100644
--- a/patch-delta.c
+++ b/patch-delta.c
@@ -28,8 +28,10 @@ void *patch_delta(const void *src_buf, unsigned long src_size,
 
 	/* make sure the orig file size matches what we expect */
 	size = get_delta_hdr_size(&data, top);
-	if (size != src_size)
+	if (size != src_size) {
+		error("bad delta header size, expected: %lu, have %lu", src_size, size);
 		return NULL;
+	}
 
 	/* now the result size */
 	size = get_delta_hdr_size(&data, top);
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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