From: syzbot <syzbot+8645fe63c4d22c8d27b8@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, liam.howlett@oracle.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
syzkaller-bugs@googlegroups.com, willy@infradead.org
Subject: Re: [syzbot] [mm?] WARNING: suspicious RCU usage in mas_walk (2)
Date: Tue, 25 Jul 2023 23:57:22 -0700 [thread overview]
Message-ID: <0000000000000aeb7f06015e5cbd@google.com> (raw)
In-Reply-To: <000000000000607ff905ffc8e477@google.com>
syzbot has bisected this issue to:
commit a52f58b34afe095ebc5823684eb264404dad6f7b
Author: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Mon Jul 24 18:54:10 2023 +0000
mm: handle faults that merely update the accessed bit under the VMA lock
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1783585ea80000
start commit: [unknown]
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1443585ea80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1043585ea80000
kernel config: https://syzkaller.appspot.com/x/.config?x=f481ab36ce878b84
dashboard link: https://syzkaller.appspot.com/bug?extid=8645fe63c4d22c8d27b8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1697cec9a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1566986ea80000
Reported-by: syzbot+8645fe63c4d22c8d27b8@syzkaller.appspotmail.com
Fixes: a52f58b34afe ("mm: handle faults that merely update the accessed bit under the VMA lock")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2023-07-26 6:57 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-06 3:12 [syzbot] [mm?] WARNING: suspicious RCU usage in mas_walk (2) syzbot
2023-07-06 16:53 ` Liam R. Howlett
2023-07-25 20:27 ` syzbot
2023-07-26 6:57 ` syzbot [this message]
2023-07-27 16:47 ` Liam R. Howlett
[not found] ` <CAJuCfpEyE18kbH84FfmfzUnar2dxgzpi=FOYPbU8MOpz-SbVjg@mail.gmail.com>
2023-07-27 17:59 ` Jann Horn
2023-07-27 18:12 ` Liam R. Howlett
2023-07-27 18:17 ` Matthew Wilcox
2023-07-27 18:31 ` Suren Baghdasaryan
2023-07-27 18:46 ` Matthew Wilcox
2023-07-27 19:20 ` Jann Horn
2023-07-27 20:08 ` Matthew Wilcox
2023-07-27 18:50 ` Matthew Wilcox
2023-07-27 18:50 ` syzbot
2023-07-27 18:52 ` Matthew Wilcox
2023-07-27 18:53 ` syzbot
2023-07-27 18:54 ` Matthew Wilcox
2023-07-27 19:12 ` Aleksandr Nogikh
2023-07-27 18:56 ` Matthew Wilcox
2023-07-27 19:17 ` syzbot
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