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 EE51F653 for ; Thu, 26 Dec 2024 01:05:12 +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=1735175114; cv=none; b=ku2tIKdd0slW1nHtlh9ElYpeRTuFe1Ui2mo7j9gsiC/x40Ydvgpy7whWbYb8noraqUleUP2F5yONb0EKm9vXZptL02wqLCo6PwD/w1m70BMo3bSPzsQ7uxfLV2ZTC/qqsWB57tvvr+BbQw0W1xl5quG9Yfsyiv+1bF2uiN0bcwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735175114; c=relaxed/simple; bh=26aZmwjnz/tsgSQoAPxor94DlHBlRH00HW59AQmHwO0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=HV31ZAcwVGj1+T8P8vE98535cA2Ze+39WoMO5nLR8ZectTsNSFp5oBz5fTogRf+hWPgExqG7UN8y4pDA7C1OFJUZZv95cUDSFdfTGr0PaX9WXGssnGOQmyuLroF8WykU5Tjfut9zbD7DovVKXj46BnX0YL+LnhPGEQOnu6oX4mo= 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-3ae31bb8ee3so124552635ab.3 for ; Wed, 25 Dec 2024 17:05:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735175112; x=1735779912; 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=Fu+7YMUaxV6rxqwGcr4/H4ZaR0+gUmyaFx2kv1XFqZE=; b=FwJS364K172FBkxco7Zx7tGQbhfLcrecskS5x14y1jJDgHEXSiqif45zBJumY9wLip DgXWZi4AFDFeJW4XnhLhhwKqB9UiSNfjByLN9Opi7CunItc/hk8f+L0fqmkDxhnRpXFO yVCURyHy7xAE1PvdTFTwXDLrwGAQU6cIHoQ70CwOgsU1Rxe7M9+/d+e0HcRsFRSLS5dI hMpmHFvG3DbDk383ttNyJumR/2HZs2xoiOB6hAkP2P6bu5oKLyCofD/GwOMlgTLLKYB9 yYxu5iu/Tm2cNVSQZARS2JcXQlEZaM1L/BNTcms6nqdjolOVCWLTFqOFvw1uI9BMrURx 7TUw== X-Gm-Message-State: AOJu0YzrzIsT6fh7QjujDYGD9N5ivnNBdkXrGpX9p3VsgUrq2ozD/lHN /YWTRRFhHrvhfN+hE/N5CK+c2n6ke3aAx1/G3254orpBcqqQVjjMvJSRrwSfVU7W0h8PzrXeUnM vuqdKVI2iF3OActlDMVnLGXz+FCpgweds1a0yQHNXIMu+xveCwoK+GOc= X-Google-Smtp-Source: AGHT+IFqtouGoZLacBovx4p6y88ok4FxbU+njxCU6WmakGaapsXEYHmFXRjlDtQyX/A2bTPvD45AqnYjDMqIWYIhsAccZd3Klzj9 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2411:b0:3a7:159d:2dd8 with SMTP id e9e14a558f8ab-3c2d2578956mr185108475ab.7.1735175112175; Wed, 25 Dec 2024 17:05:12 -0800 (PST) Date: Wed, 25 Dec 2024 17:05:12 -0800 In-Reply-To: <676c7f0d.050a0220.2f3838.03bb.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <676cabc8.050a0220.226966.0076.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [afs?] WARNING: lock held when returning to user space in afs_proc_addr_prefs_write From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [afs?] WARNING: lock held when returning to user space in afs_proc_addr_prefs_write Author: lizhi.xu@windriver.com #syz test diff --git a/fs/afs/addr_prefs.c b/fs/afs/addr_prefs.c index a189ff8a5034..ba391f8558d5 100644 --- a/fs/afs/addr_prefs.c +++ b/fs/afs/addr_prefs.c @@ -413,8 +413,6 @@ int afs_proc_addr_prefs_write(struct file *file, char *buf, size_t size) do { argc = afs_split_string(&buf, argv, ARRAY_SIZE(argv)); - if (argc < 0) - return argc; if (argc < 2) goto inval;