From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (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 6DE4D3E833E for ; Tue, 6 Oct 2026 11:20:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791285608; cv=none; b=EgBtctPyWEdSP6JLHSCONfGwAoiOWzIE20dcciEmZcYqqaF8NklZVpEkufiNGdQs47WvowUq6YLFjbFhBFM3P7AQutV2k54MDgnNNy/BhNfiokQQsSuHpQgxcAXCqdwGt9857iLaCOhhufhqcE6AEQLOL+oCe7BI7G9AysD+hss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791285608; c=relaxed/simple; bh=6T8Xmbs6VmaErd2viLi/O9gLpkVnuINZ/avE3+GSZwM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=IBEq4TcYdmcTIRXLOU/jT56Jonp17taQW4/05iTrl99woFsn1O5lxYwpvxy2EyJccHMj39V/LQmrRa6u7n/NDYNDmv3mznAJ40iE72Eu9RGj1Hy2mx6xGdz/97iMHoIQuEEYiexWSM++tQOvAmdnXheUpWq0/Oo2rQjKgX2MDD4= 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=209.85.167.198 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-oi1-f198.google.com with SMTP id 5614622812f47-4cd3e90ff97so2047160b6e.2 for ; Tue, 06 Oct 2026 04:20:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791285605; x=1791890405; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=cfiWrg/7w1hOtmxUf5M6kNYvYOOnJHxCTq71KowYFOk=; b=EV3pzYNJjgR9Pr7903BZL8bFMrmpiCoPoIp15BjYCyQpMESl8NrIHeaeJqFXxRlRtC Dazgo+Tt0V7LWalUoS6ww6y/AYSz3LbI9lJ2zQdzpRdVokim9fYktz4onpFopuo3NOPu //xB9NGRO26A8u9ov3GSnMLIGyONR/E5uPu6hS4KHBd3IDOq1PT/TU3nzPJ3UMy2E0sN VewwB/5FFMTPNOJnWSphA+cqbeuH+H3jG8p5zT08/oWQAz0thQ4CMTIBbExCm6XqiHWx MFgSZooxpXxInCKvYazvr2w4OIPujlDTb2vd698u4/Lph8DNN1BX0vB41EmCkwekAKJ3 TGZw== X-Gm-Message-State: AFuF++kfdnFM8N8Pz6JwI89614qkqcbOQJGbJSyyxsjdYFbp1nfyWh9u 485sbMAkBC3Dkvp16Hxz2Qn1yZcLnWBI4WvYwlXNGkCab+6JZztzXe8BxOOCP5A8n8rz+G0oim3 8biw8N7NbHmGP6jJR8Fw6C8fxCU06+PbAjLfqkIP78ex3ctyAr1U+zj1I6Rk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:50a4:b0:4f6:2ccb:c2a with SMTP id 5614622812f47-4fb428e1011mr986047b6e.68.1791285605412; Tue, 06 Oct 2026 04:20:05 -0700 (PDT) Date: Tue, 06 Oct 2026 04:20:05 -0700 In-Reply-To: <6ac33576.53659fcc.25f34.0004.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ac4d965.353c8d8e.177895.0002.GAE@google.com> Subject: Forwarded: [PATCH v1] Poisoned page in hibernation From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: [PATCH v1] Poisoned page in hibernation Author: nsvatoslav515@gmail.com #syz test Signed-off-by: Svyatoslav Nikolenko --- kernel/power/snapshot.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index b209712cb2c3..a893d48e770d 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1256,7 +1256,10 @@ static void mark_free_pages(struct zone *zone) max_zone_pfn = zone_end_pfn(zone); for_each_valid_pfn(pfn, zone->zone_start_pfn, max_zone_pfn) { - page = pfn_to_page(pfn); + page = pfn_to_online_page(pfn); + + if (!page) + continue; if (!--page_count) { touch_nmi_watchdog(); -- 2.47.3