From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7416C1E231B for ; Thu, 10 Oct 2024 21:54:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728597244; cv=none; b=tx+BssJgWaVHsdJXVF+uyLbLRgm6ZEcTH46HvFQNrnCHxzrEsSE9UrXIM40pChuH8QV/p2+BzQ9XuPkWgcALaXQrTlr2zWJ37MsAbUsxPagTJvK+yZyO9WN8Th92Ca4U6TebM8f7k7Lp744+52MkUyXFL6p1bSEtnk0zjG0qSfM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728597244; c=relaxed/simple; bh=hoCqlhkVBJmRQ0KU3p89JHduTaBAZOGBal6DfXGeqf8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=PObcc8SqM2Pc8AXq7+fU2CBkA58VnO299apfDd6rZbL0AsPFP9dQObThDdrkcdf7Q/JKuWZnkQtujmfbrNEmFBXZAv+4N4t9paH4r8nyBN0W5b6eid2Xm4fSx6yq4QDnGi6Q3V61XOEaDAyIKWuvESGkADTouTFotTVoBQS798M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3a3b2aee1a3so6673595ab.1 for ; Thu, 10 Oct 2024 14:54:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728597242; x=1729202042; 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=3pWqZKYp/y2dXLz+05lbmPalE4rT1pDd54Wk7W+mtes=; b=KGc+sd12FZszWPujM5WMkwDFnh53Hp/OU2xF9TmrGkIvSX03Zwl6cYmsvTbfyOvp1e WOSuLQpUnj+r8k3iUsrZ7bh69UMuKDyOFpA+YcKjw6IseyuZRLqdHDF7EWhvxLAzONed xyqEAmJAcgfGNGUFeFTjRn8N4JNkG+M5arUPvmEjSIIfl7TlPW+UeyMF0vkgvdLvhrYd tGEomA5EpWVTgIzDdOK0Z7fRMPfNC1tgmA2NEw+Gx89uD6hCekPcg10hpi16zXZyxmDZ vHM9uhTAuvJr9veBX/UTxL8vRHa8RfAB1xA1lZqWH7VHXt2UutvxGvwnmPOdPDcvpayv OlWA== X-Forwarded-Encrypted: i=1; AJvYcCVPcZsvyhXm5P768izm4o4wRyV1c1h0UOlxL2ry+Y1lXY001ySi3ZWFRpOoZQPMXTviV+KkR9BQxHV91+Y=@vger.kernel.org X-Gm-Message-State: AOJu0YyXZSOSDaKb2MvKeVJ9KSnJHV/Pg+eUa6Wz+OCR4PQj9mZf1IFN e7vm5yhBAckc6HObNeKK55ratInZbZHTjw1clFZ4CJ6jCaIYsTleeT6N5a4K3RcE9AyQY8Kdw8K oLW0ql8O0C9YxwtgPDgkbLmHzGdJcDSy6Bq1kcpo/TEfqpf7bMN0ZaCE= X-Google-Smtp-Source: AGHT+IFxHTxzMrs0wFAOwmw/l8gedD26oPktIMOzBs9OwO9g2k0OKEHMPZErwiVlRX+RCMl34J/fI/Z38GGS3YFmyt2S7wxtWHVc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d1d:b0:3a0:933d:d306 with SMTP id e9e14a558f8ab-3a3b5f51e48mr3790025ab.9.1728597242614; Thu, 10 Oct 2024 14:54:02 -0700 (PDT) Date: Thu, 10 Oct 2024 14:54:02 -0700 In-Reply-To: <000000000000939d0a0621818f1e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67084cfa.050a0220.3e960.0005.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: task hung in hugetlb_fault From: syzbot To: akpm@linux-foundation.org, dvyukov@google.com, elver@google.com, glider@google.com, kasan-dev@googlegroups.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mcgrof@kernel.org, mhiramat@kernel.org, mhocko@suse.com, mike.kravetz@oracle.com, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 3db978d480e2843979a2b56f2f7da726f2b295b2 Author: Vlastimil Babka Date: Mon Jun 8 04:40:24 2020 +0000 kernel/sysctl: support setting sysctl parameters from kernel command line bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1499efd0580000 start commit: 87d6aab2389e Merge tag 'for_linus' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1699efd0580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1299efd0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fb6ea01107fa96bd dashboard link: https://syzkaller.appspot.com/bug?extid=7bb5e48f6ead66c72906 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17dd6327980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d24f9f980000 Reported-by: syzbot+7bb5e48f6ead66c72906@syzkaller.appspotmail.com Fixes: 3db978d480e2 ("kernel/sysctl: support setting sysctl parameters from kernel command line") For information about bisection process see: https://goo.gl/tpsmEJ#bisection