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ext4: fix incorrect function call when initializing s_resgid

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In __ext4_fill_super(), s_resgid is initialized by calling
ext4_get_resuid() instead of ext4_get_resgid(), resulting in the
reserved GID being set to the same value as the reserved UID rather
than the value stored in the superblock.

Fixes: 12c84dd4d3 ("ext4: add support for 32-bit default reserved uid and gid values")
Cc: stable@vger.kernel.org
Signed-off-by: Jiazi Liu <liujiazi@amazon.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://patch.msgid.link/20260727104103.28916-1-liujiazi@amazon.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jiazi Liu
2026-07-27 18:41:03 +08:00
committed by Theodore Ts'o
parent 2c3447a9c4
commit c87abbab61
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/super.c
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@@ -5380,7 +5380,7 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
ext4_set_def_opts(sb, es);
sbi->s_resuid = make_kuid(&init_user_ns, ext4_get_resuid(es));
sbi->s_resgid = make_kgid(&init_user_ns, ext4_get_resuid(es));
sbi->s_resgid = make_kgid(&init_user_ns, ext4_get_resgid(es));
sbi->s_commit_interval = JBD2_DEFAULT_MAX_COMMIT_AGE * HZ;
sbi->s_min_batch_time = EXT4_DEF_MIN_BATCH_TIME;
sbi->s_max_batch_time = EXT4_DEF_MAX_BATCH_TIME;