From: syzbot <syzbot+b904a1de3ec43711eba5@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, dvyukov@google.com,
fmdefrancesco@gmail.com, jordy@jordyzomer.github.io,
jordy@pwning.systems, keescook@chromium.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
rppt@kernel.org, syzkaller-bugs@googlegroups.com,
torvalds@linux-foundation.org
Subject: Re: [syzbot] WARNING: refcount bug in sys_memfd_secret
Date: Sat, 23 Oct 2021 15:31:06 -0700 [thread overview]
Message-ID: <00000000000001612405cf0cafeb@google.com> (raw)
In-Reply-To: <00000000000062d0fc05cef24c57@google.com>
syzbot has bisected this issue to:
commit 110860541f443f950c1274f217a1a3e298670a33
Author: Jordy Zomer <jordy@jordyzomer.github.io>
Date: Wed Sep 8 02:56:18 2021 +0000
mm/secretmem: use refcount_t instead of atomic_t
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=141a071cb00000
start commit: 9c0c4d24ac00 Merge tag 'block-5.15-2021-10-22' of git://gi..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=161a071cb00000
console output: https://syzkaller.appspot.com/x/log.txt?x=121a071cb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=be398dd7862f4b36
dashboard link: https://syzkaller.appspot.com/bug?extid=b904a1de3ec43711eba5
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130cabdcb00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=175b91acb00000
Reported-by: syzbot+b904a1de3ec43711eba5@syzkaller.appspotmail.com
Fixes: 110860541f44 ("mm/secretmem: use refcount_t instead of atomic_t")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2021-10-23 22:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-22 15:02 [syzbot] WARNING: refcount bug in sys_memfd_secret syzbot
2021-10-22 15:07 ` Dmitry Vyukov
2021-10-22 16:25 ` Jordy Zomer
2021-10-22 16:29 ` Dmitry Vyukov
2021-10-22 16:39 ` Jordy Zomer
2021-10-23 15:27 ` Mike Rapoport
2021-10-23 17:03 ` Kees Cook
2021-10-23 22:46 ` Matthew Wilcox
2021-10-24 5:37 ` Mike Rapoport
2021-10-24 7:07 ` Dmitry Vyukov
2021-10-24 10:57 ` Matthew Wilcox
2021-10-24 15:31 ` Mike Rapoport
2021-10-23 12:02 ` syzbot
2021-10-23 22:31 ` syzbot [this message]
2021-11-24 13:47 ` syzbot
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