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 549E5414A3E for ; Wed, 7 Oct 2026 08:06:42 +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=1791360404; cv=none; b=BCC4j/Bv0V4QYDXYlxoVVFyrBQzl03n1h6Mkl5Tqx3NB+2f3d77rVzjzgbCrexf36IcOE3ACoOq0UufJpfaZ6KOC7eW9t7T8VZajLueI46voutT4A/dFSEo9bBJK1fXN0NzxfSCT5YepLSigbDcYd36gUPAQgy27JOxvphcWgfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791360404; c=relaxed/simple; bh=8fyzQ4mpLBIKsz+JaS832RNMyWZpZbjegyCYObgauMc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=h8Y7eZSkoPZJ5SabShmLafcY4WW31nG7lkeCPMz7g8Uil4O4SGlOYzuXgh33CPWKW1RSxaLN+vHePr16JQQvMLBYo7vOl/bSL0h+pewkWx2SkrVORoH9PRyP1lESwPO/LCP53nhQnoeJcPomK0FVnDpLxcD2/R9utMrOakcVH+Q= 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 5614622812f47-4eb0b989f0eso2790456b6e.0 for ; Wed, 07 Oct 2026 01:06:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791360401; x=1791965201; 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=RHmnpq+vWrRC0bgF4lxgVEQsFZIjFzLZS3SzLyOrux0=; b=aWgmS5lhY3UBuyzMbKxr24Wy5aNeO6bRAN0S2wz+18eCw+PtT/epxj1skbmYPwsaHJ BH4yTLKc/SFkjJL91DTmLuIIApyVa55pYRDEt9rtr6NtjVus7ED6Q2jvYJB1pATIOG+u tEoKxEmDmvrJMo5FACGIEOKRCeGBTmluP4/LtVXstxHTBtixW13UGIsGCYxLhfhO+4eS Cwwm+4R7+53mRLwnJZsWWdsc2SsIS82daqwipFl1Sg8nhmz7UeL9tcO+ZQgObm7XrJHM vhQSWp712W+dzFjj0OsOsXYoUtonnAbinIeOfwCJXCi84UrbDe8UNnfcVWPvI5PAf+9e bOPQ== X-Gm-Message-State: AFuF++nXUh/JGabJbgvURLEGz2h88AgwW2kkyJ20qsk7tSJIUZsePIhR Smm4cPRzpdB5XbduwG9yVOop0dCA30uYLI9R9nfQqgdPKxUY83meVFd6yp92IORFROzLHJfZq4w Ee+ECFqgSwi9PgFtX+aSl6K2qU6cXMl/VD9p+MKXQTpZ7eNxr2gFfZTOppqc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1311:b0:4b8:4703:db97 with SMTP id 5614622812f47-4faae80f6b4mr4486943b6e.32.1791360401209; Wed, 07 Oct 2026 01:06:41 -0700 (PDT) Date: Wed, 07 Oct 2026 01:06:41 -0700 In-Reply-To: <6987d9a1.a00a0220.34fa92.0039.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ac5fd91.34119e79.8a1d6.0000.GAE@google.com> Subject: Re: [syzbot] [mm?] BUG: Bad rss-counter state (6) From: syzbot To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: 71c3e5409eef Merge remote-tracking branch 'will/for-next/p.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=137d5f25580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c7205f05c11fb4dd dashboard link: https://syzkaller.appspot.com/bug?extid=5981772e2b70777a3b01 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177d5f25580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/20ff6159ce99/disk-71c3e540.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1d6172672705/vmlinux-71c3e540.xz kernel image: https://storage.googleapis.com/syzbot-assets/923d5e083e1b/Image-71c3e540.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5981772e2b70777a3b01@syzkaller.appspotmail.com BUG: Bad rss-counter state mm:00000000950a6f7b type:MM_ANONPAGES val:2 Comm:syz-executor Pid:4828 BUG: non-zero pgtables_bytes on freeing mm: 4096 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.