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SubjectRe: [PATCH 4.19 09/56] btrfs: inode: Verify inode mode to avoid NULL pointer dereference
On Tue, Aug 04, 2020 at 09:11:32AM +0200, Pavel Machek wrote:
> Hi!
>
>
> > @@ -6993,6 +7010,14 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
> > extent_start = found_key.offset;
> > if (found_type == BTRFS_FILE_EXTENT_REG ||
> > found_type == BTRFS_FILE_EXTENT_PREALLOC) {
> > + /* Only regular file could have regular/prealloc extent */
> > + if (!S_ISREG(inode->vfs_inode.i_mode)) {
> > + ret = -EUCLEAN;
> > + btrfs_crit(fs_info,
> > + "regular/prealloc extent found for non-regular inode %llu",
> > + btrfs_ino(inode));
> > + goto out;
> > + }
>
> This sets ret, but function returns err. Fix was already submitted.

What is the git commit id of that fix?

thanks,

greg k-h

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