Messages in this thread | | | Subject | Re: [f2fs-dev] [PATCH] f2fs: avoid selinux denial on CAP_SYS_RESOURCE | From | Chao Yu <> | Date | Wed, 14 Mar 2018 21:07:56 +0800 |
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On 2018/3/10 5:57, Jaegeuk Kim wrote: > On 03/09, Chao Yu wrote: >> On 2018/3/9 12:49, Jaegeuk Kim wrote: >>> This fixes CAP_SYS_RESOURCE denial of selinux when using resgid. >> >> A little confusion, if capable(CAP_SYS_RESOURCE) is false, we still have chance >> to return true for below resuid & resgid cases, right? > > I didn't dig it deeply tho, it seems selinux log came up when capable() is > failed in the first place. We actually didn't need to show it up, since next > resgid will give mostly true.
Got it, how about adding this reason into commit message? Anyway,
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Thanks,
> >> >> Thanks, >> >>> >>> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> >>> --- >>> fs/f2fs/f2fs.h | 4 ++-- >>> 1 file changed, 2 insertions(+), 2 deletions(-) >>> >>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h >>> index f6dc70666ebb..3d12277fbe9e 100644 >>> --- a/fs/f2fs/f2fs.h >>> +++ b/fs/f2fs/f2fs.h >>> @@ -1607,13 +1607,13 @@ static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, >>> return false; >>> if (IS_NOQUOTA(inode)) >>> return true; >>> - if (capable(CAP_SYS_RESOURCE)) >>> - return true; >>> if (uid_eq(sbi->s_resuid, current_fsuid())) >>> return true; >>> if (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && >>> in_group_p(sbi->s_resgid)) >>> return true; >>> + if (capable(CAP_SYS_RESOURCE)) >>> + return true; >>> return false; >>> } >>> >>> > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel >
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