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| author | Martin Koegler <martin.koegler@chello.at> | 2017-08-10 20:13:09 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2017-08-11 15:25:40 -0700 |
| commit | fed1ef9550d528dffa8891e8b2f49b486c7985bc (patch) | |
| tree | 26ad49a73baf47b9ef13f55980a6c9303e7d9904 /diff-delta.c | |
| parent | 4274c698f46a9bc45834c4904e7e113450c042fb (diff) | |
| download | git-fed1ef9550d528dffa8891e8b2f49b486c7985bc.tar.gz | |
diff-delta: do not allow delta offset truncationmk/diff-delta-avoid-large-offset
Prevent generating delta offsets beyond 4G, as the xdelta used in
the pack format cannot represent such large offset.
Signed-off-by: Martin Koegler <martin.koegler@chello.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diff-delta.c')
| -rw-r--r-- | diff-delta.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/diff-delta.c b/diff-delta.c index 3797ce6041..ea710c44ce 100644 --- a/diff-delta.c +++ b/diff-delta.c @@ -452,6 +452,9 @@ create_delta(const struct delta_index *index, moff += msize; msize = left; + if (moff > 0xffffffff) + msize = 0; + if (msize < 4096) { int j; val = 0; |