Searched hist:"4 d202437" (Results 1 – 1 of 1) sorted by relevance
/openbmc/linux/fs/erofs/ |
H A D | decompressor.c | 4d202437 Mon Jan 06 20:25:46 CST 2020 Gao Xiang <gaoxiang25@huawei.com> erofs: fix out-of-bound read for shifted uncompressed block
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: 7fc45dbc938a ("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> 4d202437 Mon Jan 06 20:25:46 CST 2020 Gao Xiang <gaoxiang25@huawei.com> erofs: fix out-of-bound read for shifted uncompressed block 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: 7fc45dbc938a ("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>
|