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authorDehe Gu <gudehe@huawei.com>2020-07-03 12:51:29 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2020-07-08 20:11:19 +0300
commitffcde4b29a5f20ddca6fe559b48f345818bf1d91 (patch)
treefef8377613d93f472079d9618bc4f7f0bdee7867 /fs/f2fs/compress.c
parent0e5e81114de1c4ac32e36f057256653a04f27a33 (diff)
downloadlinux-ffcde4b29a5f20ddca6fe559b48f345818bf1d91.tar.xz
f2fs: remove write attribute of main_blkaddr sysfs node
Fuzzing main_blkaddr sysfs node will corrupt this field's value, causing kernel panic, remove its write attribute to avoid potential security risk. [Chao Yu: add description] Signed-off-by: Dehe Gu <gudehe@huawei.com> Signed-off-by: Daiyue Zhang <zhangdaiyue1@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/compress.c')
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