From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 7D3DB2367C2 for ; Fri, 11 Apr 2025 17:47:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744393628; cv=none; b=oCKb9Iq0b5A8zG/BgVRHbnPp3wdKjrKFT3+uSj5IUcNClt7S8w3yjPGK6IZhbSHIytZL34LdOEpNm7b0Ut9WTW307ZosSy8f49/0oDZovo4fN5E21JX6b8lcKvW7Svv42aBB17IIVH63BDTbspMcazp87gDPT5bfVZ+SfDffCgI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744393628; c=relaxed/simple; bh=oOtosL1HHFlHGy1b5imn/50Yhv08U7HIjdgOoPs5wX0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=GfQB0yHmok+gonBsyJfYVMKo9DXCNJTqL4CCBqB2JSBhlQWmv15IyHRUxvpZOiFcw2PoDOWiEQaxBjWWUCb0/mr12WAupMEVUg2fFFicz81bum0wAQhFRxwC4ulO6DyQ3BqK/ZsyJWVDVr/nNraWTcVurtSQQ6UJZyr4CQXvIi0= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3d586b968cfso5052015ab.1 for ; Fri, 11 Apr 2025 10:47:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744393625; x=1744998425; 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=6eYB1ZtJj/aUtD4KjdQc7TPmxcY404LeKypCpPv2ksw=; b=cJ69OQmzXRObAZEFRZw0LYfIcVFfd9vYxlenHG28pVrz4J6XxezCT+nlI4wfwoRI+U vTfvKDDvoHahpM/UH0D1fbEhlwpOCM6r9Xu8n9CR7bp0FMgxB/5bMmkDdUmewQFLNDk2 Mc5yzzI49OFWDrgI1WA7HcysCeVA2b8NygTOw6ta4qKtY1ogAj5gA8+Kw6DvSOFUAdK7 Wl9UefgSHcIemggtHKhRdJ1/yWVuUQBrXHhmKZBmYmxzUA26UJWx3riDCD2XC2G55iFG Xu60a+GfeEQ1Xvt9oMrHI9nTZbe9fxVM85O23JpLBgkkP/kFRt+ktXDvVuEq3RF319x6 YkiQ== X-Gm-Message-State: AOJu0YxIId1VLV6tnrxOxjKM4htq2ByuOHHzh2ogllyF1FpDCcxWYpsb LD5eh83YQdzo0pYkqI7lct2YLJotm//4Eb++LBL/gBH+vzUMwWowd8VhKxqU2szofPWeuXy6uLL KTmgtgQbF+8vgVTrjwIWw7djIYVoA562NWPSTq7qf+Sggoc+hTRG86sc= X-Google-Smtp-Source: AGHT+IHjBwSKlZ3uMeVNQ9sGsJzLrvXbkRh5W+fnpD3uiDE5KT766d4vRRgaIjXYEn3pKbv+iazqRND7tgMx8DLLC7W/B1UZVCRP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1909:b0:3d3:f4fc:a291 with SMTP id e9e14a558f8ab-3d7ec26fb94mr38097315ab.19.1744393625660; Fri, 11 Apr 2025 10:47:05 -0700 (PDT) Date: Fri, 11 Apr 2025 10:47:05 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f95599.050a0220.2c5fcf.0005.GAE@google.com> Subject: Re: [syzbot] [bpf?] possible deadlock in queue_stack_map_push_elem From: syzbot To: linux-kernel@vger.kernel.org, memxor@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for batadv0 to become free. Usage count = 3 Tested on: commit: e403941b bpf: Convert ringbuf.c to rqspinlock git tree: https://github.com/kkdwivedi/linux.git res-lock-next console output: https://syzkaller.appspot.com/x/log.txt?x=16b68a3f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=ea2b297a0891c87e dashboard link: https://syzkaller.appspot.com/bug?extid=252bc5c744d0bba917e1 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.