On Sun, Nov 10, 2019 at 07:15:10AM -0500, Theodore Y. Ts'o wrote: > I hadn't gotten around to resending the patch. The original version > had a number of last-minute typos that had crept in... > > - Ted > > From a67ad537964d10f94a4b990c084365e75316cde8 Mon Sep 17 00:00:00 2001 > From: Theodore Ts'o <tytso@xxxxxxx> > Date: Thu, 7 Nov 2019 21:43:41 -0500 > Subject: [PATCH] ext4: add more paranoia checking in ext4_expand_extra_isize > handling > > > It's possible to specify a non-zero s_want_extra_isize via debugging > option, and this can cause bad things(tm) to happen when using a file > system with an inode size of 128 bytes. > > Add better checking when the file system is mounted, as well as when > we are actually doing the trying to do the inode expansion. > > Reported-by: syzbot+f8d6f8386ceacdbfff57@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Theodore Ts'o <tytso@xxxxxxx> > Cc: stable@xxxxxxxxxx Is this patch intended to address https://lore.kernel.org/linux-ext4/000000000000950f21059564e4c7@xxxxxxxxxx as well? If so, you can add the second Reported-by line so that both syzbot reports get closed. - Eric
