On 29.01.2018 18:46, Jeff Mahoney wrote:
> btrfs_evict_inode must clear all inodes or we'll hit a BUG_ON in evict().
>
> Fixes: 3d48d9810de (btrfs: Handle uninitialised inode eviction)
> Cc: Nikolay Borisov <nborisov@xxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.8+
> Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx>
Yep, this is a genuine bug, however Liu Bo already sent a fix for that:
Btrfs: fix btrfs_evict_inode to handle abnormal inodes correctly
> ---
> fs/btrfs/inode.c | 1 +
> 1 file changed, 1 insertion(+)
>
> --- a/fs/btrfs/inode.c
> +++ b/fs/btrfs/inode.c
> @@ -5282,6 +5282,7 @@ void btrfs_evict_inode(struct inode *ino
> trace_btrfs_inode_evict(inode);
>
> if (!root) {
> + clear_inode(inode);
> kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode));
> return;
> }
>
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