-
由 Alon Zahavi 提交于
mainline inclusion from mainline-v6.2-rc1 commit 6d5c9e79 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I683ER CVE: CVE-2022-4842 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d5c9e79b726cc473d40e9cb60976dbe8e669624 -------------------------------- The bug occours due to a misuse of `attr` variable instead of `attr_b`. `attr` is being initialized as NULL, then being derenfernced as `attr->res.data_size`. This bug causes a crash of the ntfs3 driver itself, If compiled directly to the kernel, it crashes the whole system. Signed-off-by: NAlon Zahavi <zahavi.alon@gmail.com> Co-developed-by: NTal Lossos <tallossos@gmail.com> Signed-off-by: NTal Lossos <tallossos@gmail.com> Signed-off-by: NKonstantin Komarov <almaz.alexandrovich@paragon-software.com> Signed-off-by: NZhihao Cheng <chengzhihao1@huawei.com> Reviewed-by: NZhang Yi <yi.zhang@huawei.com> Reviewed-by: NXiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: NJialin Zhang <zhangjialin11@huawei.com>
86f3bddf