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

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Message-ID: <67a1180f.050a0220.163cdc.004f.GAE@google.com>
Date: Mon, 03 Feb 2025 11:25:03 -0800
From: syzbot <syzbot+a504cb5bae4fe117ba94@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, david@...hat.com, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, muchun.song@...ux.dev, steven.sistare@...cle.com, 
	syzkaller-bugs@...glegroups.com, vivek.kasireddy@...el.com
Subject: Re: [syzbot] [mm?] kernel BUG in alloc_hugetlb_folio_reserve

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+a504cb5bae4fe117ba94@...kaller.appspotmail.com
Tested-by: syzbot+a504cb5bae4fe117ba94@...kaller.appspotmail.com

Tested on:

commit:         d1302efc selftests/udmabuf: add a test to pin first be..
git tree:       https://gitlab.freedesktop.org/Vivek/drm-tip.git syzbot_fix_htlb_reserve_v2_rebase
console output: https://syzkaller.appspot.com/x/log.txt?x=114b75f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3ed8e2f9a4233102
dashboard link: https://syzkaller.appspot.com/bug?extid=a504cb5bae4fe117ba94
compiler:       Debian clang version 15.0.6, 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.