Messages in this thread | | | Date | Wed, 23 Mar 2022 09:54:58 +0800 | From | Gao Xiang <> | Subject | Re: [syzbot] WARNING: kobject bug in erofs_unregister_sysfs |
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On Mon, Mar 21, 2022 at 07:55:29AM +0100, Dmitry Vyukov wrote: > On Sun, 20 Mar 2022 at 05:19, Dongliang Mu <mudongliangabcd@gmail.com> wrote: > > > > On Sat, Mar 19, 2022 at 10:21 AM Muchun Song <songmuchun@bytedance.com> wrote: > > > > > > On Sat, Mar 19, 2022 at 6:33 AM syzbot > > > <syzbot+f05ba4652c0471416eaf@syzkaller.appspotmail.com> wrote: > > > > > > > > syzbot has bisected this issue to: > > > > > > > > commit 2768c206f2c3e95c0e5cf2e7f846103fda7cd429 > > > > Author: Muchun Song <songmuchun@bytedance.com> > > > > Date: Thu Mar 3 01:15:36 2022 +0000 > > > > > > > > mm: list_lru: allocate list_lru_one only when needed > > > > > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1495694d700000 > > > > start commit: 91265a6da44d Add linux-next specific files for 20220303 > > > > git tree: linux-next > > > > final oops: https://syzkaller.appspot.com/x/report.txt?x=1695694d700000 > > > > console output: https://syzkaller.appspot.com/x/log.txt?x=1295694d700000 > > > > kernel config: https://syzkaller.appspot.com/x/.config?x=617f79440a35673a > > > > dashboard link: https://syzkaller.appspot.com/bug?extid=f05ba4652c0471416eaf > > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137f17d9700000 > > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=114ebabd700000 > > > > > > > > Reported-by: syzbot+f05ba4652c0471416eaf@syzkaller.appspotmail.com > > > > Fixes: 2768c206f2c3 ("mm: list_lru: allocate list_lru_one only when needed") > > > > > > Does this patch [1] fix the issue? If yes, I am confused why the Fixes tag > > > should be the commit 2768c206f2c3? What am I missing here? > > > > Sometimes syzkaller bisection may make mistakes. Please ignore it. > > > > > > > > [1] https://lore.kernel.org/r/20220315132814.12332-1-dzm91@hust.edu.cn > > > > Let's tell syzbot so that it reports new bugs in future: > > #syz fix: fs: erofs: add sanity check for kobject in erofs_unregister_sysfs
Thanks! The fix has been landed upstream now.
Thanks, Gao Xiang
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