From: Martin Koegler <martin.koegler@chello.at>
To: git@vger.kernel.org, gitster@pobox.com, Johannes.Schindelin@gmx.de
Cc: Martin Koegler <martin.koegler@chello.at>
Subject: [Patch size_t V3 10/19] Add overflow check to get_delta_hdr_size
Date: Wed, 16 Aug 2017 22:16:22 +0200 [thread overview]
Message-ID: <1502914591-26215-11-git-send-email-martin@mail.zuhause> (raw)
In-Reply-To: <1502914591-26215-1-git-send-email-martin@mail.zuhause>
From: Martin Koegler <martin.koegler@chello.at>
Signed-off-by: Martin Koegler <martin.koegler@chello.at>
---
delta.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/delta.h b/delta.h
index 2df0f55..dab7352 100644
--- a/delta.h
+++ b/delta.h
@@ -96,6 +96,11 @@ static inline size_t get_delta_hdr_size(const unsigned char **datap,
cmd = *data++;
size |= (cmd & 0x7f) << i;
i += 7;
+ if (bitsizeof(size_t) <= i) {
+ die("too large object size");
+ size = 0;
+ break;
+ }
} while (cmd & 0x80 && data < top);
*datap = data;
return size;
--
2.1.4
next prev parent reply other threads:[~2017-08-16 20:17 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 20:16 [Patch size_t V3 00/19] use size_t Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 01/19] delta: fix enconding size larger than an "uint" can hold Martin Koegler
2017-08-17 20:28 ` Torsten Bögershausen
2017-08-16 20:16 ` [Patch size_t V3 02/19] Convert size datatype to size_t Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 03/19] Convert zlib.c " Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 04/19] delta: Fix offset overflows Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 05/19] Convert sha1_file.c to size_t Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 06/19] Use size_t for sha1 Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 07/19] Convert parse_X_buffer to size_t Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 08/19] Convert fsck.c & commit.c " Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 09/19] Convert cache functions " Martin Koegler
2017-08-16 20:16 ` Martin Koegler [this message]
2017-08-16 20:16 ` [Patch size_t V3 11/19] Use size_t for config parsing Martin Koegler
2017-08-24 20:29 ` Johannes Sixt
2017-08-16 20:16 ` [Patch size_t V3 12/19] Convert pack-objects to size_t Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 13/19] Convert index-pack " Martin Koegler
2017-08-16 21:42 ` Ramsay Jones
2017-08-16 20:16 ` [Patch size_t V3 14/19] Convert unpack-objects " Martin Koegler
2017-08-16 20:16 ` [Patch size_t V3 15/19] Convert archive functions " Martin Koegler
2017-08-21 6:42 ` Junio C Hamano
2017-08-22 1:19 ` brian m. carlson
2017-08-16 20:16 ` [Patch size_t V3 16/19] Convert various things " Martin Koegler
2017-08-21 6:34 ` Junio C Hamano
2017-08-16 20:16 ` [Patch size_t V3 17/19] Convert ref-filter " Martin Koegler
2017-08-17 18:03 ` Junio C Hamano
2017-08-17 18:04 ` Junio C Hamano
2017-08-16 20:16 ` [Patch size_t V3 18/19] Convert tree-walk " Martin Koegler
2017-08-17 17:53 ` Junio C Hamano
2017-08-16 20:16 ` [Patch size_t V3 19/19] Convert xdiff-interface " Martin Koegler
2017-08-17 17:49 ` Junio C Hamano
2017-08-16 21:33 ` [Patch size_t V3 00/19] use size_t Junio C Hamano
2017-08-17 20:35 ` Torsten Bögershausen
2017-08-18 7:08 ` Martin Koegler
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