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Message-Id: <20210726153852.803630064@linuxfoundation.org>
Date: Mon, 26 Jul 2021 17:39:54 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Mike Kravetz <mike.kravetz@...cle.com>,
Dennis Camera <bugs+kernel.org@...r.ch>,
"Matthew Wilcox (Oracle)" <willy@...radead.org>,
David Howells <dhowells@...hat.com>,
Al Viro <viro@...iv.linux.org.uk>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 5.13 202/223] hugetlbfs: fix mount mode command line processing
From: Mike Kravetz <mike.kravetz@...cle.com>
commit e0f7e2b2f7e7864238a4eea05cc77ae1be2bf784 upstream.
In commit 32021982a324 ("hugetlbfs: Convert to fs_context") processing
of the mount mode string was changed from match_octal() to fsparam_u32.
This changed existing behavior as match_octal does not require octal
values to have a '0' prefix, but fsparam_u32 does.
Use fsparam_u32oct which provides the same behavior as match_octal.
Link: https://lkml.kernel.org/r/20210721183326.102716-1-mike.kravetz@oracle.com
Fixes: 32021982a324 ("hugetlbfs: Convert to fs_context")
Signed-off-by: Mike Kravetz <mike.kravetz@...cle.com>
Reported-by: Dennis Camera <bugs+kernel.org@...r.ch>
Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Cc: David Howells <dhowells@...hat.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: <stable@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/hugetlbfs/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -77,7 +77,7 @@ enum hugetlb_param {
static const struct fs_parameter_spec hugetlb_fs_parameters[] = {
fsparam_u32 ("gid", Opt_gid),
fsparam_string("min_size", Opt_min_size),
- fsparam_u32 ("mode", Opt_mode),
+ fsparam_u32oct("mode", Opt_mode),
fsparam_string("nr_inodes", Opt_nr_inodes),
fsparam_string("pagesize", Opt_pagesize),
fsparam_string("size", Opt_size),
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