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nsfs: fix u32-vs-bytes unit mismatch in nsfs_fh_to_dentry() #2639

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nsfs: fix u32-vs-bytes unit mismatch in nsfs_fh_to_dentry() #2639

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652eed7
nsfs: fix u32-vs-bytes unit mismatch in nsfs_fh_to_dentry()
benquike Sep 19, 2026
f442bd3
nsfs: fix namespace reference leak on unsupported ns_type in nsfs_fh_…
benquike Sep 19, 2026
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5 changes: 3 additions & 2 deletions fs/nsfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -529,8 +529,8 @@ static struct dentry *nsfs_fh_to_dentry(struct super_block *sb, struct fid *fh,

/* Check that any trailing bytes are zero. */
if ((fh_len > NSFS_FID_SIZE_U32_LATEST) &&
memchr_inv((void *)fid + NSFS_FID_SIZE_U32_LATEST, 0,
fh_len - NSFS_FID_SIZE_U32_LATEST))
memchr_inv((void *)fid + NSFS_FILE_HANDLE_SIZE_LATEST, 0,
(fh_len - NSFS_FID_SIZE_U32_LATEST) * sizeof(u32)))
return NULL;

switch (fh_type) {
Expand Down Expand Up @@ -624,6 +624,7 @@ static struct dentry *nsfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
break;
#endif
default:
ns->ops->put(ns);
return ERR_PTR(-EOPNOTSUPP);
}

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