+ hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount.patch added to mm-nonmm-unstable branch

* + hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount.patch added to mm-nonmm-unstable branch
@ 2022-12-07 22:13 Andrew Morton
  0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2022-12-07 22:13 UTC (permalink / raw)
  To: mm-commits, stable, slava, gargaditya08, akpm


The patch titled
     Subject: hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Aditya Garg <gargaditya08@live.com>
Subject: hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
Date: Wed, 7 Dec 2022 03:05:40 +0000

Despite specifying UID and GID in mount command, the specified UID and GID
were not being assigned. This patch fixes this issue.

Link: https://lkml.kernel.org/r/C0264BF5-059C-45CF-B8DA-3A3BD2C803A2@live.com
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

--- a/fs/hfsplus/hfsplus_fs.h~hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount
+++ a/fs/hfsplus/hfsplus_fs.h
@@ -198,6 +198,8 @@ struct hfsplus_sb_info {
 #define HFSPLUS_SB_HFSX		3
 #define HFSPLUS_SB_CASEFOLD	4
 #define HFSPLUS_SB_NOBARRIER	5
+#define HFSPLUS_SB_UID		6
+#define HFSPLUS_SB_GID		7
 
 static inline struct hfsplus_sb_info *HFSPLUS_SB(struct super_block *sb)
 {
--- a/fs/hfsplus/inode.c~hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount
+++ a/fs/hfsplus/inode.c
@@ -192,11 +192,11 @@ static void hfsplus_get_perms(struct ino
 	mode = be16_to_cpu(perms->mode);
 
 	i_uid_write(inode, be32_to_cpu(perms->owner));
-	if (!i_uid_read(inode) && !mode)
+	if ((test_bit(HFSPLUS_SB_UID, &sbi->flags)) || (!i_uid_read(inode) && !mode))
 		inode->i_uid = sbi->uid;
 
 	i_gid_write(inode, be32_to_cpu(perms->group));
-	if (!i_gid_read(inode) && !mode)
+	if ((test_bit(HFSPLUS_SB_GID, &sbi->flags)) || (!i_gid_read(inode) && !mode))
 		inode->i_gid = sbi->gid;
 
 	if (dir) {
--- a/fs/hfsplus/options.c~hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount
+++ a/fs/hfsplus/options.c
@@ -140,6 +140,8 @@ int hfsplus_parse_options(char *input, s
 			if (!uid_valid(sbi->uid)) {
 				pr_err("invalid uid specified\n");
 				return 0;
+			} else {
+				set_bit(HFSPLUS_SB_UID, &sbi->flags);
 			}
 			break;
 		case opt_gid:
@@ -151,6 +153,8 @@ int hfsplus_parse_options(char *input, s
 			if (!gid_valid(sbi->gid)) {
 				pr_err("invalid gid specified\n");
 				return 0;
+			} else {
+				set_bit(HFSPLUS_SB_GID, &sbi->flags);
 			}
 			break;
 		case opt_part:
_

Patches currently in -mm which might be from gargaditya08@live.com are

hfsplus-fix-bug-causing-custom-uid-and-gid-being-unable-to-be-assigned-with-mount.patch


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