linux-kernel - Re: [syzbot] [mm?] kernel BUG in __vma_reservation

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Message-ID: <ZlYIoPEq7avOkjCW@localhost.localdomain>
Date: Tue, 28 May 2024 18:38:56 +0200
From: Oscar Salvador <osalvador@...e.com>
To: syzbot <syzbot+d3fe2dc5ffe9380b714b@...kaller.appspotmail.com>
Cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, muchun.song@...ux.dev, netdev@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] kernel BUG in __vma_reservation_common

On Mon, May 27, 2024 at 05:50:24AM -0700, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    66ad4829ddd0 Merge tag 'net-6.10-rc1' of git://git.kernel...
> git tree:       net-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=15c114aa980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=48c05addbb27f3b0
> dashboard link: https://syzkaller.appspot.com/bug?extid=d3fe2dc5ffe9380b714b
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17770d72980000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10db1592980000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/05c6f2231ef8/disk-66ad4829.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/5f4fc63b22e3/vmlinux-66ad4829.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/67f5c4c88729/bzImage-66ad4829.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+d3fe2dc5ffe9380b714b@...kaller.appspotmail.com

#syz test https://github.com/leberus/linux.git hugetlb-vma_resv-enomem
 

-- 
Oscar Salvador
SUSE Labs