* [PATCH] ocfs2: free inode when ocfs2_get_init_inode() fails
@ 2024-11-23 13:28 Tetsuo Handa
2024-11-24 8:36 ` Joseph Qi
0 siblings, 1 reply; 2+ messages in thread
From: Tetsuo Handa @ 2024-11-23 13:28 UTC (permalink / raw)
To: ocfs2-devel; +Cc: LKML, Junxiao Bi, Jan Kara
syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826
("ocfs2: Handle error from dquot_initialize()") forgot to call iput()
when new_inode() succeeded and dquot_initialize() failed.
Reported-by: syzbot+0af00f6a2cba2058b5db@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db
Tested-by: syzbot+0af00f6a2cba2058b5db@syzkaller.appspotmail.com
Fixes: 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
---
fs/ocfs2/namei.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 59c92353151a..5550f8afa438 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -200,8 +200,10 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
mode = mode_strip_sgid(&nop_mnt_idmap, dir, mode);
inode_init_owner(&nop_mnt_idmap, inode, dir, mode);
status = dquot_initialize(inode);
- if (status)
+ if (status) {
+ iput(inode);
return ERR_PTR(status);
+ }
return inode;
}
--
2.47.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] ocfs2: free inode when ocfs2_get_init_inode() fails
2024-11-23 13:28 [PATCH] ocfs2: free inode when ocfs2_get_init_inode() fails Tetsuo Handa
@ 2024-11-24 8:36 ` Joseph Qi
0 siblings, 0 replies; 2+ messages in thread
From: Joseph Qi @ 2024-11-24 8:36 UTC (permalink / raw)
To: Tetsuo Handa, akpm; +Cc: LKML, Junxiao Bi, Jan Kara, ocfs2-devel
On 11/23/24 9:28 PM, Tetsuo Handa wrote:
> syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826
> ("ocfs2: Handle error from dquot_initialize()") forgot to call iput()
> when new_inode() succeeded and dquot_initialize() failed.
>
> Reported-by: syzbot+0af00f6a2cba2058b5db@syzkaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db
> Tested-by: syzbot+0af00f6a2cba2058b5db@syzkaller.appspotmail.com
> Fixes: 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()")
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
> ---
> fs/ocfs2/namei.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
> index 59c92353151a..5550f8afa438 100644
> --- a/fs/ocfs2/namei.c
> +++ b/fs/ocfs2/namei.c
> @@ -200,8 +200,10 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
> mode = mode_strip_sgid(&nop_mnt_idmap, dir, mode);
> inode_init_owner(&nop_mnt_idmap, inode, dir, mode);
> status = dquot_initialize(inode);
> - if (status)
> + if (status) {
> + iput(inode);
> return ERR_PTR(status);
> + }
>
> return inode;
> }
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-11-24 8:36 ` Joseph Qi
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