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(parent: 4f5cc09) | patch
squashfs: Fix heap corruption in sqfs_search_dir()
authorRichard Weinberger <richard@nod.at>
Fri, 2 Aug 2024 20:05:09 +0000 (22:05 +0200)
committerTom Rini <trini@konsulko.com>
Thu, 15 Aug 2024 22:14:36 +0000 (16:14 -0600)
commit048d795bb5b3d9c5701b4855f5e74bcf6849bf5e
tree07355b0c153b3c8ad4a75327a71383609690c36etree | snapshot
parent4f5cc096bfd0a591f8a11e86999e3d90a9484c34commit | diff
squashfs: Fix heap corruption in sqfs_search_dir()

res needs to be large enough to store both strings rem and target,
plus the path separator and the terminator.
Currently the space for the path separator is not accounted, so
the heap is corrupted by one byte.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
fs/squashfs/sqfs.c diff | blob | history
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