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(parent: d8522f0) | patch
f2fs: fix leaking uninitialized memory in compressed clusters
authorEric Biggers <ebiggers@google.com>
Fri, 21 Feb 2020 04:50:37 +0000 (20:50 -0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 27 Feb 2020 18:16:44 +0000 (10:16 -0800)
commit6135d094718fd7110334aa2dda93c5b590ee5511
tree31938ca686decc2e92863a1002b7f19d10f9d8f6tree | snapshot
parentd8522f0e687c58666a2dde1bd3dd39e071f9adf5commit | diff
f2fs: fix leaking uninitialized memory in compressed clusters

When the compressed data of a cluster doesn't end on a page boundary,
the remainder of the last page must be zeroed in order to avoid leaking
uninitialized memory to disk.

Fixes: 03a7cb849886 ("f2fs: support data compression")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/compress.c diff | blob | history
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