Re: [PATCH v1] xfs/019: extend protofile test

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On Thu, Mar 24, 2022 at 01:17:30PM -0700, Darrick J. Wong wrote:
> On Fri, Mar 25, 2022 at 03:26:00AM +0800, Zorro Lang wrote:
> > On Thu, Mar 24, 2022 at 03:44:00PM +0000, Catherine Hoang wrote:
> > > > On Mar 22, 2022, at 6:36 PM, Zorro Lang <zlang@xxxxxxxxxx> wrote:
> > > > 
> > > > On Thu, Mar 17, 2022 at 11:24:08PM +0000, Catherine Hoang wrote:
> > > >> This test creates an xfs filesystem and verifies that the filesystem
> > > >> matches what is specified by the protofile.
> > > >> 
> > > >> This patch extends the current test to check that a protofile can specify
> > > >> setgid mode on directories. Also, check that the created symlink isn’t
> > > >> broken.
> > > >> 
> > > >> Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx>
> > > >> ---
> > > > 
> > > > Any specific reason to add this test? Likes uncovering some one known
> > > > bug/fix?
> > > > 
> > > > Thanks,
> > > > Zorro
> > > 
> > > Hi Zorro,
> > > 
> > > We’ve been exploring alternate uses for protofiles and noticed a few holes
> > > in the testing.
> > 
> > That's great, but better to show some details in the patch/commit, likes
> > a commit id of xfsprogs?/kernel? (if there's one) which fix the bug you
> > metioned, to help others to know what's this change trying to cover.
> 
> I think this patch is adding a check that protofile lines are actually
> being honored (in the case of the symlink file) and checking that setgid
> on a directory is not carried over into new children unless the
> protofile explicitly marks the children setgid.
> 
> IOWs, this isn't adding a regression test for a fix in xfsprogs, it's
> increasing test coverage.

Oh, understand, I have no objection with this patch, just thought it covers
a known bug :) If it's good to you too, let's ACK it.

Thanks,
Zorro

> 
> --D
> 
> > Thanks,
> > Zorro
> > 
> > > 
> > > Thanks,
> > > Catherine
> > > > 
> > > >> tests/xfs/019     |  6 ++++++
> > > >> tests/xfs/019.out | 12 +++++++++++-
> > > >> 2 files changed, 17 insertions(+), 1 deletion(-)
> > > >> 
> > > >> diff --git a/tests/xfs/019 b/tests/xfs/019
> > > >> index 3dfd5408..535b7af1 100755
> > > >> --- a/tests/xfs/019
> > > >> +++ b/tests/xfs/019
> > > >> @@ -73,6 +73,10 @@ $
> > > >> setuid -u-666 0 0 $tempfile
> > > >> setgid --g666 0 0 $tempfile
> > > >> setugid -ug666 0 0 $tempfile
> > > >> +directory_setgid d-g755 3 2
> > > >> +file_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx_5 ---755 3 1 $tempfile
> > > >> +$
> > > >> +: back in the root
> > > >> block_device b--012 3 1 161 162 
> > > >> char_device c--345 3 1 177 178
> > > >> pipe p--670 0 0
> > > >> @@ -114,6 +118,8 @@ _verify_fs()
> > > >> 		| xargs $here/src/lstat64 | _filter_stat)
> > > >> 	diff -q $SCRATCH_MNT/bigfile $tempfile.2 \
> > > >> 		|| _fail "bigfile corrupted"
> > > >> +	diff -q $SCRATCH_MNT/symlink $tempfile.2 \
> > > >> +		|| _fail "symlink broken"
> > > >> 
> > > >> 	echo "*** unmount FS"
> > > >> 	_full "umount"
> > > >> diff --git a/tests/xfs/019.out b/tests/xfs/019.out
> > > >> index 19614d9d..8584f593 100644
> > > >> --- a/tests/xfs/019.out
> > > >> +++ b/tests/xfs/019.out
> > > >> @@ -7,7 +7,7 @@ Wrote 2048.00Kb (value 0x2c)
> > > >>  File: "."
> > > >>  Size: <DSIZE> Filetype: Directory
> > > >>  Mode: (0777/drwxrwxrwx) Uid: (3) Gid: (1)
> > > >> -Device: <DEVICE> Inode: <INODE> Links: 3 
> > > >> +Device: <DEVICE> Inode: <INODE> Links: 4 
> > > >> 
> > > >>  File: "./bigfile"
> > > >>  Size: 2097152 Filetype: Regular File
> > > >> @@ -54,6 +54,16 @@ Device: <DEVICE> Inode: <INODE> Links: 1
> > > >>  Mode: (0755/-rwxr-xr-x) Uid: (3) Gid: (1)
> > > >> Device: <DEVICE> Inode: <INODE> Links: 1 
> > > >> 
> > > >> + File: "./directory_setgid"
> > > >> + Size: <DSIZE> Filetype: Directory
> > > >> + Mode: (2755/drwxr-sr-x) Uid: (3) Gid: (2)
> > > >> +Device: <DEVICE> Inode: <INODE> Links: 2 
> > > >> +
> > > >> + File: "./directory_setgid/file_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx_5"
> > > >> + Size: 5 Filetype: Regular File
> > > >> + Mode: (0755/-rwxr-xr-x) Uid: (3) Gid: (2)
> > > >> +Device: <DEVICE> Inode: <INODE> Links: 1 
> > > >> +
> > > >>  File: "./pipe"
> > > >>  Size: 0 Filetype: Fifo File
> > > >>  Mode: (0670/frw-rwx---) Uid: (0) Gid: (0)
> > > >> -- 
> > > >> 2.25.1
> > > >> 
> > > > 
> > > 
> > 
> 




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