Re: WARNING in up_write

From: Matthew Wilcox
Date: Wed Apr 04 2018 - 15:35:13 EST


On Wed, Apr 04, 2018 at 09:24:05PM +0200, Dmitry Vyukov wrote:
> On Tue, Apr 3, 2018 at 4:01 AM, syzbot
> <syzbot+dc5ab2babdf22ca091af@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> > DEBUG_LOCKS_WARN_ON(sem->owner != get_current())
> > WARNING: CPU: 1 PID: 4441 at kernel/locking/rwsem.c:133 up_write+0x1cc/0x210
> > kernel/locking/rwsem.c:133
> > Kernel panic - not syncing: panic_on_warn set ...

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