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From: syzbot <syzbot+a504cb5bae4fe117ba94@syzkaller.appspotmail.com>
To: airlied@redhat.com, akpm@linux-foundation.org, david@redhat.com,
	 dri-devel@lists.freedesktop.org, kraxel@redhat.com,
	 linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	muchun.song@linux.dev,  steven.sistare@oracle.com,
	syzkaller-bugs@googlegroups.com,  vivek.kasireddy@intel.com
Subject: Re: [syzbot] [mm?] kernel BUG in alloc_hugetlb_folio_reserve
Date: Sun, 02 Feb 2025 09:27:04 -0800	[thread overview]
Message-ID: <679faae8.050a0220.d7c5a.0073.GAE@google.com> (raw)
In-Reply-To: <677928b5.050a0220.3b53b0.004d.GAE@google.com>

syzbot has bisected this issue to:

commit c6a3194c05e7e6fd0e8fbfb1720084ae2503c4ac
Author: Vivek Kasireddy <vivek.kasireddy@intel.com>
Date:   Mon Jun 24 06:36:16 2024 +0000

    udmabuf: pin the pages using memfd_pin_folios() API

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12c71724580000
start commit:   69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11c71724580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16c71724580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158
dashboard link: https://syzkaller.appspot.com/bug?extid=a504cb5bae4fe117ba94
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1324fddf980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=128b55f8580000

Reported-by: syzbot+a504cb5bae4fe117ba94@syzkaller.appspotmail.com
Fixes: c6a3194c05e7 ("udmabuf: pin the pages using memfd_pin_folios() API")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection


      parent reply	other threads:[~2025-02-02 17:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-04 12:25 syzbot
2025-01-06  3:36 ` Muchun Song
2025-01-07  1:07 ` Kasireddy, Vivek
2025-01-07  1:07   ` syzbot
2025-02-01 20:51 ` syzbot
2025-02-02  4:51   ` Kasireddy, Vivek
2025-02-02  8:42     ` syzbot
2025-02-03 18:51   ` Kasireddy, Vivek
2025-02-03 19:25     ` syzbot
2025-02-02 17:27 ` syzbot [this message]

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