-stable review patch. If anyone has any objections, please let us know.
------------------
It turns out that empty distance code tables are not an error, and that
a compressed block with only literals can validly have an empty table
and should not be flagged as a data error.
Some old versions of gzip had problems with this case, but it does not
affect the zlib code in the kernel.
Analysis and explanations thanks to Sergey Vlasov <[EMAIL PROTECTED]>
Cc: Sergey Vlasov <[EMAIL PROTECTED]>
Cc: Tavis Ormandy <[EMAIL PROTECTED]>
Cc: Tim Yamin <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
---
lib/zlib_inflate/inftrees.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.12.y/lib/zlib_inflate/inftrees.c
===================================================================
--- linux-2.6.12.y.orig/lib/zlib_inflate/inftrees.c
+++ linux-2.6.12.y/lib/zlib_inflate/inftrees.c
@@ -141,7 +141,7 @@ static int huft_build(
{
*t = NULL;
*m = 0;
- return Z_DATA_ERROR;
+ return Z_OK;
}
--
-
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