From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A8BDCC0218F for ; Sun, 2 Feb 2025 17:27:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E4F0110E12E; Sun, 2 Feb 2025 17:27:06 +0000 (UTC) Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by gabe.freedesktop.org (Postfix) with ESMTPS id C32E110E12E for ; Sun, 2 Feb 2025 17:27:05 +0000 (UTC) Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3d00fe9f7b3so55619625ab.3 for ; Sun, 02 Feb 2025 09:27:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738517225; x=1739122025; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yXexU36OiSygy1VKoH+pvaXyLUZp8BcdvcSSrRQAfh8=; b=Mscp+scOXdTjlPV47bMQSMO5xie9xMxkYN7NyLZpYlgEepYF0xNdhSQ7LpI+U24Por uXrksCPCK4pdRHgaqAI7ZxEF4RM9KkB3SbSSF2wH5LqcD8F5vDYdNQRaWS6mMv7yVx7Z AiVPqqZ//81J0U69YhidGltruHMx7ic+hxATefIFSfkWFMJQHVMx0rM5J63Wmjzp7HUf yxgYA3/K33oOQJlSQXmNU4bToLmn5rtYXtjqhdVCF3GnN7voxqHZ+4LfscD6ziCwX0gb /4IZn4VwjI2kdmdcK5N6vFL4tl9mPqTQxR/68lQj8IGHn/623hWUDpIzs1ND8YadB3TZ Zw7w== X-Forwarded-Encrypted: i=1; AJvYcCVEAAA81AkHXOrazHOaPqUINhLXr0W/rP5kARkghScF8K4GXYyRQ2ttgacLWIlxmiEsdpgeN2F/Mew=@lists.freedesktop.org X-Gm-Message-State: AOJu0Yw22ToMxex60AEv3nQRw0WC3P6OXP1NCCSgix2TelWrG6nEi77y sixgyxjDhTJlojuWnxbQ1474arlgpWtIshuq3M5J2LiasR2AFd2+K8JOkRvYR+xctX9hKwtqw84 6Mq4R/sL9qdtBSaw6m2GOL8GEMrnthxIvrInXwzLuoad0b/sE2tr350c= X-Google-Smtp-Source: AGHT+IGF8I7415qb/43RYrrVed/7Jwn8N6ClVLyn1H7699DTvp3t166RV/QQQs3W3eWRqS9YuDOKJZhhfJ0DSc+G50LjShwjlLFi MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12c2:b0:3cf:cd87:1bf9 with SMTP id e9e14a558f8ab-3cffe46994fmr164810335ab.22.1738517225016; Sun, 02 Feb 2025 09:27:05 -0800 (PST) Date: Sun, 02 Feb 2025 09:27:04 -0800 In-Reply-To: <677928b5.050a0220.3b53b0.004d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <679faae8.050a0220.d7c5a.0073.GAE@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in alloc_hugetlb_folio_reserve From: syzbot 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 Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" syzbot has bisected this issue to: commit c6a3194c05e7e6fd0e8fbfb1720084ae2503c4ac Author: Vivek Kasireddy 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