Messages in this thread | | | From | Dmitry Vyukov <> | Date | Thu, 28 Jan 2021 13:43:39 +0100 | Subject | Re: KASAN: invalid-access Read in kmem_cache_destroy |
| |
On Thu, Jan 28, 2021 at 1:30 PM Vincenzo Frascino <vincenzo.frascino@arm.com> wrote: > > On 1/27/21 7:50 PM, Andrey Konovalov wrote: > > On Wed, Jan 27, 2021 at 6:44 PM Mark Brown <broonie@kernel.org> wrote: > >> > >> On Wed, Jan 27, 2021 at 06:14:13PM +0100, Dmitry Vyukov wrote: > >>> On Wed, Jan 27, 2021 at 5:58 PM syzbot > >>> <syzbot+2a52b6c31dbefb1e9d9f@syzkaller.appspotmail.com> wrote: > >>>> > >>>> Hello, > >>>> > >>>> syzbot found the following issue on: > >>>> > >>>> HEAD commit: 2ab38c17 mailmap: remove the "repo-abbrev" comment > >>>> git tree: upstream > >>>> console output: https://syzkaller.appspot.com/x/log.txt?x=12eb4ad8d00000 > >>>> kernel config: https://syzkaller.appspot.com/x/.config?x=ad43be24faf1194c > >>>> dashboard link: https://syzkaller.appspot.com/bug?extid=2a52b6c31dbefb1e9d9f > >>>> userspace arch: arm64 > >>>> > >>>> Unfortunately, I don't have any reproducer for this issue yet. > >>>> > >>>> IMPORTANT: if you fix the issue, please add the following tag to the commit: > >>>> Reported-by: syzbot+2a52b6c31dbefb1e9d9f@syzkaller.appspotmail.com > >>> > >>> This happens on arm64 instance with MTE enabled. > >>> I don't see any corresponding reports on x86_64. So I would assume > >>> it's a generic latent bug, or probably more likely a bug in MTE > >>> support. > >> > >> Copying in Vincenso who's done a bunch of MTE stuff recently. > > > > Could be the same issue as: > > > > https://lkml.org/lkml/2021/1/27/1109 > > > > I had a look at the trace and I agree with Andrey it seems the same issue.
#syz fix: Revert "mm/slub: fix a memory leak in sysfs_slab_add()"
| |