Messages in this thread Patch in this message |  | | From | Jaegeuk Kim <> | Subject | [PATCH] f2fs: check cap_resource only for data blocks | Date | Fri, 20 Apr 2018 23:53:08 -0700 |
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This patch changes the rule to check cap_resource for data blocks, not inode or node blocks in order to avoid selinux denial.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/f2fs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 9f2bc78a9f5b..8f3ad9662d13 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1611,7 +1611,7 @@ static inline bool f2fs_has_xattr_block(unsigned int ofs) } static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, - struct inode *inode) + struct inode *inode, bool cap) { if (!inode) return true; @@ -1624,7 +1624,7 @@ static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && in_group_p(F2FS_OPTION(sbi).s_resgid)) return true; - if (capable(CAP_SYS_RESOURCE)) + if (cap && capable(CAP_SYS_RESOURCE)) return true; return false; } @@ -1659,7 +1659,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, avail_user_block_count = sbi->user_block_count - sbi->current_reserved_blocks; - if (!__allow_reserved_blocks(sbi, inode)) + if (!__allow_reserved_blocks(sbi, inode, true)) avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { @@ -1866,7 +1866,7 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, valid_block_count = sbi->total_valid_block_count + sbi->current_reserved_blocks + 1; - if (!__allow_reserved_blocks(sbi, inode)) + if (!__allow_reserved_blocks(sbi, inode, false)) valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; if (unlikely(valid_block_count > sbi->user_block_count)) { -- 2.17.0.484.g0c8726318c-goog
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