On Tue, Apr 13, 2021 at 06:47:47PM +0200, Dmitry Vyukov wrote: > On Tue, Apr 13, 2021 at 6:13 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > Hopefully this patch will make the race a lot more likely to occur. Is > > there any way to tell syzkaller to test it, despite the fact that > > syzkaller doesn't think it has a reproducer for this issue? > > If there is no reproducer the only way syzbot can test it is if it's > in linux-next under CONFIG_DEBUG_AID_FOR_SYZBOT: > http://bit.do/syzbot#no-custom-patches There _is_ a theoretical reproducer: the test that provoked syzkaller's original bug report. But syzkaller doesn't realize that it is (or may be) a reproducer. It ought to be possible to ask syzkaller to run a particular test that it has done before, with a patch applied -- and without having to add anything to linux-next. Alan Stern
