Jens Axboe wrote: > On 5/4/18 5:47 AM, Tetsuo Handa wrote: > >>From 626d33de1b70b11ecaf95a9f83f7644998e54cbb Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > Date: Wed, 2 May 2018 23:03:48 +0900 > > Subject: [PATCH] loop: remember whether sysfs_create_group() succeeded > > > > syzbot is hitting WARN() triggered by memory allocation fault > > injection [1] because loop module is calling sysfs_remove_group() > > when sysfs_create_group() failed. > > Fix this by remembering whether sysfs_create_group() succeeded. > > Can we store this locally instead of in the loop_device? Also, > naming wise, something like sysfs_init_done would be more readily > understandable. Whether sysfs entry for this loop device exists is per "struct loop_device" flag, isn't it? What does "locally" mean?
