Re: [PATCH] reiserfs: only call unlock_new_inode() if I_NEW

From: Eric Biggers
Date: Mon Jul 27 2020 - 12:52:19 EST

On Sun, Jun 28, 2020 at 12:00:57AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> unlock_new_inode() is only meant to be called after a new inode has
> already been inserted into the hash table. But reiserfs_new_inode() can
> call it even before it has inserted the inode, triggering the WARNING in
> unlock_new_inode(). Fix this by only calling unlock_new_inode() if the
> inode has the I_NEW flag set, indicating that it's in the table.
> This addresses the syzbot report "WARNING in unlock_new_inode"
> (
> Reported-by: syzbot+187510916eb6a14598f7@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>

Anyone interested in taking this patch?

- Eric