Messages in this thread Patch in this message | | | From | Edward Adam Davis <> | Subject | Re: [syzbot] [fs?] WARNING in stashed_dentry_prune | Date | Wed, 13 Mar 2024 20:30:30 +0800 |
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please test w in stashed_dentry_prune
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
diff --git a/fs/libfs.c b/fs/libfs.c index 0d14ae808fcf..67dc503272eb 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -2013,6 +2013,8 @@ static struct dentry *prepare_anon_dentry(struct dentry **stashed, if (!dentry) return ERR_PTR(-ENOMEM); + /* Store address of location where dentry's supposed to be stashed. */ + dentry->d_fsdata = stashed; inode = new_inode_pseudo(sb); if (!inode) { dput(dentry); @@ -2029,9 +2031,6 @@ static struct dentry *prepare_anon_dentry(struct dentry **stashed, WARN_ON_ONCE(!S_ISREG(inode->i_mode)); WARN_ON_ONCE(!IS_IMMUTABLE(inode)); - /* Store address of location where dentry's supposed to be stashed. */ - dentry->d_fsdata = stashed; - /* @data is now owned by the fs */ d_instantiate(dentry, inode); return dentry;
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