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linux/fs/erofs
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Gao Xiang 3728834fff erofs: fix out-of-bound read for shifted uncompressed block 
commit 4d2024370d upstream.

rq->out[1] should be valid before accessing. Otherwise,
in very rare cases, out-of-bound dirty onstack rq->out[1]
can equal to *in and lead to unintended memmove behavior.

Link: https://lore.kernel.org/r/20200107022546.19432-1-gaoxiang25@huawei.com
Fixes: 7fc45dbc93 ("staging: erofs: introduce generic decompression backend")
Cc: <stable@vger.kernel.org> # 5.3+
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-02-11 04:35:23 -08:00
..
Kconfig erofs: kill all erofs specific fault injection 2019-09-05 20:10:08 +02:00
Makefile
…
compress.h
…
data.c erofs: fix erofs_get_meta_page locking due to a cleanup 2019-10-01 04:54:33 +08:00
decompressor.c erofs: fix out-of-bound read for shifted uncompressed block 2020-02-11 04:35:23 -08:00
dir.c erofs: rename errln/infoln/debugln to erofs_{err, info, dbg} 2019-09-05 20:10:09 +02:00
erofs_fs.h erofs: update erofs_fs.h comments 2019-09-05 20:10:07 +02:00
inode.c erofs: always use iget5_locked 2019-09-05 20:10:09 +02:00
internal.h erofs: rename errln/infoln/debugln to erofs_{err, info, dbg} 2019-09-05 20:10:09 +02:00
namei.c erofs: rename errln/infoln/debugln to erofs_{err, info, dbg} 2019-09-05 20:10:09 +02:00
super.c erofs: fix return value check in erofs_read_superblock() 2019-10-01 04:53:50 +08:00
tagptr.h
…
utils.c erofs: remove all likely/unlikely annotations 2019-08-30 09:02:02 +02:00
xattr.c erofs: zero out when listxattr is called with no xattr 2019-12-17 19:56:23 +01:00
xattr.h erofs: use erofs_inode naming 2019-09-05 20:10:07 +02:00
zdata.c erofs: fix mis-inplace determination related with noio chain 2019-10-01 04:54:45 +08:00
zdata.h erofs: rename errln/infoln/debugln to erofs_{err, info, dbg} 2019-09-05 20:10:09 +02:00
zmap.c erofs: rename errln/infoln/debugln to erofs_{err, info, dbg} 2019-09-05 20:10:09 +02:00
zpvec.h erofs: remove all likely/unlikely annotations 2019-08-30 09:02:02 +02:00