Re: WARN_ON_ONCE in fs/iomap.c:993

2017-09-11 Thread Dave Jones
On Mon, Sep 11, 2017 at 06:56:05AM -0400, Shankara Pailoor wrote: > Hi, > > I am fuzzing linux 4.13-rc7 with XFS using syzkaller on x86_64 and I > found the following warning: > > WARNING: CPU: 2 PID: 5391 at fs/iomap.c:993 iomap_dio_rw+0xc79/0xe70 > > Here is a reproducer program: https

WARN_ON_ONCE in fs/iomap.c:993

2017-09-11 Thread Shankara Pailoor
Hi, I am fuzzing linux 4.13-rc7 with XFS using syzkaller on x86_64 and I found the following warning: WARNING: CPU: 2 PID: 5391 at fs/iomap.c:993 iomap_dio_rw+0xc79/0xe70 fs/iomap.c:993 Kernel panic - not syncing: panic_on_warn set ... CPU: 2 PID: 5391 Comm: syz-executor1 Not tainted 4.13.0-rc7