From: Linus Torvalds <torvalds@linux-foundation.org>
To: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>,
syzbot <syzbot+3622cea378100f45d59f@syzkaller.appspotmail.com>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Ext4 Developers List <linux-ext4@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
"Theodore Ts'o" <tytso@mit.edu>, Linux-MM <linux-mm@kvack.org>,
Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Nicholas Piggin <npiggin@gmail.com>,
Alex Shi <alex.shi@linux.alibaba.com>, Qian Cai <cai@lca.pw>,
Christoph Hellwig <hch@infradead.org>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
William Kucharski <william.kucharski@oracle.com>,
Jens Axboe <axboe@kernel.dk>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
linux-xfs <linux-xfs@vger.kernel.org>
Subject: Re: kernel BUG at fs/ext4/inode.c:LINE!
Date: Tue, 24 Nov 2020 15:24:56 -0800 [thread overview]
Message-ID: <CAHk-=wjiVtroOvNkuptH0GofVUvOMw4wmmaXdnGPPT8y8+MbyQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.LSU.2.11.2011241322540.1777@eggly.anvils>
On Tue, Nov 24, 2020 at 1:47 PM Hugh Dickins <hughd@google.com> wrote:
>
> I think the unreferenced struct page asks for trouble.
I do agree.
I've applied your second patch (the smaller one that just takes a ref
around the critical section). If somebody comes up with some great
alternative, we can always revisit this.
Linus
next prev parent reply other threads:[~2020-11-24 23:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000d3a33205add2f7b2@google.com>
2020-08-28 10:07 ` Jan Kara
2020-08-31 10:03 ` Jan Kara
2020-08-31 18:21 ` Linus Torvalds
2020-11-24 4:07 ` Hugh Dickins
2020-11-24 4:26 ` Linus Torvalds
2020-11-24 4:53 ` Linus Torvalds
2020-11-24 6:34 ` Hugh Dickins
2020-11-24 16:46 ` Hugh Dickins
2020-11-24 12:19 ` Matthew Wilcox
2020-11-24 16:28 ` Hugh Dickins
2020-11-24 18:33 ` Matthew Wilcox
2020-11-24 19:00 ` Linus Torvalds
2020-11-24 20:15 ` Matthew Wilcox
2020-11-24 20:34 ` Linus Torvalds
2020-11-24 21:46 ` Hugh Dickins
2020-11-24 23:24 ` Linus Torvalds [this message]
2020-11-25 21:30 ` Linus Torvalds
2020-11-25 22:01 ` Linus Torvalds
2020-11-25 9:20 ` Jan Kara
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