From: Johannes Weiner <hannes@cmpxchg.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Vlastimil Babka <vbabka@suse.cz>,
Eric B Munson <emunson@akamai.com>,
David Rientjes <rientjes@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Jeff Vander Stoep <jeffv@google.com>,
Alexander Kuleshov <kuleshovmail@gmail.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
syzkaller <syzkaller@googlegroups.com>,
Kostya Serebryany <kcc@google.com>,
Alexander Potapenko <glider@google.com>,
Eric Dumazet <edumazet@google.com>
Subject: Re: BUG_ON(!PageLocked(page)) in munlock_vma_page/migrate_pages/__block_write_begin
Date: Tue, 15 Dec 2015 14:42:13 -0500 [thread overview]
Message-ID: <20151215194213.GA15672@cmpxchg.org> (raw)
In-Reply-To: <CACT4Y+YpcpqhyCiSZYoCzWTVKCmKMBTX-kSdeEBOjoQFQMs77g@mail.gmail.com>
Hi Dmitry,
On Tue, Dec 15, 2015 at 08:23:34PM +0100, Dmitry Vyukov wrote:
> I am seeing lots of similar BUGs in different functions all pointing
> to BUG_ON(!PageLocked(page)). I reproduced them on several recent
> commits, including stock 6764e5ebd5c62236d082f9ae030674467d0b2779 (Dec
> 9) with no changes on top and no KASAN/etc.
This should be fixed in newer kernels with this commit:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd01f026058a59a513f8a365b439a0681b803af
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Vlastimil Babka <vbabka@suse.cz>,
Eric B Munson <emunson@akamai.com>,
David Rientjes <rientjes@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Jeff Vander Stoep <jeffv@google.com>,
Alexander Kuleshov <kuleshovmail@gmail.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Sasha Levin <sasha.levin@oracle.com>,
Hugh Dickins <hughd@google.com>,
syzkaller <syzkaller@googlegroups.com>,
Kostya Serebryany <kcc@google.com>,
Alexander Potapenko <glider@google.com>,
Eric Dumazet <edumazet@google.com>
Subject: Re: BUG_ON(!PageLocked(page)) in munlock_vma_page/migrate_pages/__block_write_begin
Date: Tue, 15 Dec 2015 14:42:13 -0500 [thread overview]
Message-ID: <20151215194213.GA15672@cmpxchg.org> (raw)
In-Reply-To: <CACT4Y+YpcpqhyCiSZYoCzWTVKCmKMBTX-kSdeEBOjoQFQMs77g@mail.gmail.com>
Hi Dmitry,
On Tue, Dec 15, 2015 at 08:23:34PM +0100, Dmitry Vyukov wrote:
> I am seeing lots of similar BUGs in different functions all pointing
> to BUG_ON(!PageLocked(page)). I reproduced them on several recent
> commits, including stock 6764e5ebd5c62236d082f9ae030674467d0b2779 (Dec
> 9) with no changes on top and no KASAN/etc.
This should be fixed in newer kernels with this commit:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd01f026058a59a513f8a365b439a0681b803af
next prev parent reply other threads:[~2015-12-15 19:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-15 19:23 BUG_ON(!PageLocked(page)) in munlock_vma_page/migrate_pages/__block_write_begin Dmitry Vyukov
2015-12-15 19:42 ` Johannes Weiner [this message]
2015-12-15 19:42 ` Johannes Weiner
2015-12-15 20:08 ` Dmitry Vyukov
2015-12-15 20:08 ` Dmitry Vyukov
2015-12-17 12:53 ` Dmitry Vyukov
2015-12-17 12:53 ` Dmitry Vyukov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151215194213.GA15672@cmpxchg.org \
--to=hannes@cmpxchg.org \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=dvyukov@google.com \
--cc=edumazet@google.com \
--cc=emunson@akamai.com \
--cc=glider@google.com \
--cc=hughd@google.com \
--cc=jeffv@google.com \
--cc=kcc@google.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=kuleshovmail@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=rientjes@google.com \
--cc=sasha.levin@oracle.com \
--cc=syzkaller@googlegroups.com \
--cc=vbabka@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.