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Author	SHA1	Message	Date
brian m. carlson	8125a58b91	t: switch $_z40 to $ZERO_OID Switch all uses of $_z40 to $ZERO_OID so that they work correctly with larger hashes. This commit was created by using the following sed command to modify all files in the t directory except t/test-lib.sh: sed -i 's/\$_z40/$ZERO_OID/g' Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	7 years ago
Jeff King	4d6be03b95	diffcore-rename: avoid processing duplicate destinations The rename code cannot handle an input where we have duplicate destinations (i.e., more than one diff_filepair in the queue with the same string in its pair->two->path). We end up allocating only one slot in the rename_dst mapping. If we fill in the diff_filepair for that slot, when we re-queue the results, we may queue that filepair multiple times. When the diff is finally flushed, the filepair is processed and free()d multiple times, leading to heap corruption. This situation should only happen when a tree diff sees duplicates in one of the trees (see the added test for a detailed example). Rather than handle it, the sanest thing is just to turn off rename detection altogether for the diff. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	10 years ago

Author

SHA1

Message

Date

brian m. carlson

8125a58b91

t: switch $_z40 to $ZERO_OID

Switch all uses of $_z40 to $ZERO_OID so that they work correctly with
larger hashes.  This commit was created by using the following sed
command to modify all files in the t directory except t/test-lib.sh:

  sed -i 's/\$_z40/$ZERO_OID/g'

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

7 years ago

Jeff King

4d6be03b95

diffcore-rename: avoid processing duplicate destinations

The rename code cannot handle an input where we have
duplicate destinations (i.e., more than one diff_filepair in
the queue with the same string in its pair->two->path). We
end up allocating only one slot in the rename_dst mapping.
If we fill in the diff_filepair for that slot, when we
re-queue the results, we may queue that filepair multiple
times. When the diff is finally flushed, the filepair is
processed and free()d multiple times, leading to heap
corruption.

This situation should only happen when a tree diff sees
duplicates in one of the trees (see the added test for a
detailed example). Rather than handle it, the sanest thing
is just to turn off rename detection altogether for the
diff.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

10 years ago

2 Commits (6053c04b88d28b31d752dc8783ff59324b6a82f7)