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From: Harry Yoo <harry.yoo@oracle.com>
To: syzbot <syzbot+4d9a13f0797c46a29e42@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, jannh@google.com,
	liam.howlett@oracle.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, lorenzo.stoakes@oracle.com, pfalcato@suse.de,
	syzkaller-bugs@googlegroups.com, vbabka@suse.cz
Subject: Re: [syzbot] [mm?] WARNING in move_page_tables
Date: Wed, 13 Aug 2025 21:20:48 +0900	[thread overview]
Message-ID: <aJyDIAffgcMf6y0h@hyeyoo> (raw)
In-Reply-To: <689c1db2.a70a0220.7865.0047.GAE@google.com>

On Tue, Aug 12, 2025 at 10:08:02PM -0700, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
> 
> Reported-by: syzbot+4d9a13f0797c46a29e42@syzkaller.appspotmail.com
> Tested-by: syzbot+4d9a13f0797c46a29e42@syzkaller.appspotmail.com
> 
> Tested on:
> 
> commit:         0db9b72d mm/userfaultfd: fix kmap_local LIFO ordering ..
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-hotfixes-unstable
> console output: https://syzkaller.appspot.com/x/log.txt?x=128fb5a2580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=2323b2d6038203a5
> dashboard link: https://syzkaller.appspot.com/bug?extid=4d9a13f0797c46a29e42
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> 
> Note: no patches were applied.
> Note: testing is done by a robot and is best-effort only.

This looks spurious. I was able to reproduce it with the reproducer on
the same commit (the latest mm-hotfixes-unstable).

-- 
Cheers,
Harry / Hyeonggon


  reply	other threads:[~2025-08-13 12:21 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-12 21:56 [syzbot] [mm?] WARNING in move_page_tables syzbot
2025-08-13  1:26 ` Hillf Danton
2025-08-13  1:49   ` syzbot
2025-08-13  2:19 ` Hillf Danton
2025-08-13  2:39   ` syzbot
2025-08-13  4:47 ` Lorenzo Stoakes
2025-08-13  5:08   ` syzbot
2025-08-13 12:20     ` Harry Yoo [this message]
2025-08-13 12:20 ` Harry Yoo
2025-08-18 12:54   ` David Hildenbrand
2025-08-18 12:56     ` syzbot
2025-08-18 13:01       ` David Hildenbrand
2025-08-18 13:22         ` syzbot
2025-08-13 13:14 ` Hillf Danton
2025-08-13 13:23   ` syzbot

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