On Fri, Nov 1, 2019 at 6:56 PM Jens Axboe <axboe@xxxxxxxxx> wrote: > > On 11/1/19 11:50 AM, Dmitry Vyukov wrote: > > On Wed, Oct 30, 2019 at 3:41 PM Jens Axboe <axboe@xxxxxxxxx> wrote: > >> > >> On 10/30/19 1:44 AM, syzbot wrote: > >>> syzbot has bisected this bug to: > >>> > >>> commit ef0524d3654628ead811f328af0a4a2953a8310f > >>> Author: Jens Axboe <axboe@xxxxxxxxx> > >>> Date: Thu Oct 24 13:25:42 2019 +0000 > >>> > >>> io_uring: replace workqueue usage with io-wq > >>> > >>> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16acf5d0e00000 > >>> start commit: c57cf383 Add linux-next specific files for 20191029 > >>> git tree: linux-next > >>> final crash: https://syzkaller.appspot.com/x/report.txt?x=15acf5d0e00000 > >>> console output: https://syzkaller.appspot.com/x/log.txt?x=11acf5d0e00000 > >>> kernel config: https://syzkaller.appspot.com/x/.config?x=cb86688f30db053d > >>> dashboard link: https://syzkaller.appspot.com/bug?extid=221cc24572a2fed23b6b > >>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168671d4e00000 > >>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=140f4898e00000 > >>> > >>> Reported-by: syzbot+221cc24572a2fed23b6b@xxxxxxxxxxxxxxxxxxxxxxxxx > >>> Fixes: ef0524d36546 ("io_uring: replace workqueue usage with io-wq") > >> > >> Good catch, it's a case of NULL vs ERR_PTR() confusion. I'll fold in > >> the below fix. > > > > Hi Jens, > > > > Please either add the syzbot tag to commit, or close manually with > > "#syz fix" (though requires waiting until the fixed commit is in > > linux-next). > > See https://goo.gl/tpsmEJ#rebuilt-treesamended-patches for details. > > Otherwise, the bug will be considered open and will waste time of > > humans looking at open bugs and prevent syzbot from reporting new bugs > > in io_uring. > > It's queued up since two days ago: > > http://git.kernel.dk/cgit/linux-block/commit/?h=for-5.5/io_uring&id=975c99a570967dd48e917dd7853867fee3febabd > > and should have the right attributions, so hopefully it'll catch up > eventually. > > -- > Jens Axboe > Cool! Thanks! I've seen "fold in" and historically lots of developers did not add the tag during amending, so wanted to double check.
