Messages in this thread | | | Subject | Re: KASAN: invalid-access Read in kmem_cache_destroy | From | Vincenzo Frascino <> | Date | Thu, 28 Jan 2021 12:34:28 +0000 |
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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.
-- Regards, Vincenzo
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