From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 4215D1FBEB0 for ; Sat, 25 Apr 2026 18:39:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777142346; cv=none; b=m+0TEHt9xEDS3Ij35tj2xQfCtXZ1iBh/40vEpGk18V1I5EgFtihs6r/grRRvNiaeMyWtscOM7Y50szMt1u+O/luoIZV+tvzzI1W7VmYOv4MVq9Z1Apj2yqanvl3kdUuJma8pVWNjAdgb1Zj+m5Dcg+YXLhS+eN8TW9IrsgFMADo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777142346; c=relaxed/simple; bh=Hz5PXn8g7V2iutaPUqDnEJMZYWKaSOQFhm6Gg0Fj+3M=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=qv/y6EP8vmshDyB9k3jclEic8ryirmKzzFxxxWnVIPvzgLULGPfsWs3jEHHeOczYPu42OziwEGWaFYKBQUUOSXfw8Dn/Jj9luZnt8XuGjlOMQMpeUHAMoyCyLK0lJIfC/oMXPmwCSUcTHcLJg3CdqllmadVjvuy9yC8CUn4v06E= 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=209.85.161.72 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-oo1-f72.google.com with SMTP id 006d021491bc7-69629c3b86cso1665529eaf.2 for ; Sat, 25 Apr 2026 11:39:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777142344; x=1777747144; h=cc: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=7RNWr4DrGDeQlj9Zvvq60vPdewLZo8ZtnMoMuRvuMbE=; b=HAu86ov+9+blIWScmALcoGqLHAXcJ7vAsK/ByPqTjI6PCIaYY8wuZq3TzScPBYKcXW OMzs72kf+dYwFbfJX49Nhq7T4XqiYe1eG7CTmS+2YME5rMFE+VdK6Ci5FWT8/zcIlQEB vP+EeqFjYVKoT5SPy6hLXodVG9NYP4gRNzFDWwmZKJPbiAc4CBu3YZCybxNn8O4qrSrv oHyfGeVX0i/I3OBc8jlAvdFaYZsntFd4bKskEThbKBYxk5LdQIxHb4L1tcJzMG1lQLyb E6NoYl2+NDjD37KI9H4QVafEwhUrSyaOGk8vemyt0966//pBtXzr3Bar/pOjPN17tuOi oSJA== X-Forwarded-Encrypted: i=1; AFNElJ9zUJKzqz7e22a7VHHKhM1LkanL5mFxjBV5g7gsD4fQD8VwR8piRkkz5I1rGKKE2WDVKvyUNgWdqyu1uGM=@vger.kernel.org X-Gm-Message-State: AOJu0Yw3IXz8OeAHx2a5Vlh94KvQ3SpL4mNKIOdZu95Wh3OYhWnYDo8V l2U6Kj59y9RgYUvfQVRAw9zqPzPJ9AMIn2ARE28dXgVUtZFablPfj4g8nt38T0DyvDbypdgrEII IiX6KtT3yCoCysk7x90ahu41dztDr+eHC5/DS3VvLo2E/wlVnMP9/bGntD4E= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4b83:b0:67e:1be4:d8d4 with SMTP id 006d021491bc7-69462e5933amr19703641eaf.21.1777142343983; Sat, 25 Apr 2026 11:39:03 -0700 (PDT) Date: Sat, 25 Apr 2026 11:39:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69ed0a47.a00a0220.1901e8.0015.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING: bad unlock balance in folios_put_refs From: syzbot To: souradiptodas6@gmail.com Cc: souradiptodas6@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git This crash does not have a reproducer. I cannot test it. > master > > diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h > index dc3fa6877..1d5bef2e4 100644 > --- a/include/linux/memcontrol.h > +++ b/include/linux/memcontrol.h > @@ -1524,6 +1524,7 @@ static inline void > folio_lruvec_relock_irqsave(struct folio *folio, > return; > > lruvec_unlock_irqrestore(*lruvecp, *flags); > + *lruvecp = NULL; > } > > *lruvecp = folio_lruvec_lock_irqsave(folio, flags); > -- > 2.53.0