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 F04C53EFFD7 for ; Thu, 24 Sep 2026 19:21:30 +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=1790277692; cv=none; b=d958F1yZNo+ddoPGJUNUxH0OGIOP7YtnuyHYN4t3WaKCGsBzFvdJe7J9wQn7+LkK1GIRiOWxekwllvfWb9g3RCDfqsNKOeRTrnyxQ4plxKnXD6knQvrQ1927f85XHbKLEiQ4G/NgS3himfwEQ0oBsHv0kpyKslHjOTGjoAvrD+0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790277692; c=relaxed/simple; bh=4CYZq+XivpUOXknGL5/ONdRYXa8exEUr6gpRyUOiiO0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=byrnqL1U/6vk9X3EYFfptqRU3x57iEz5k6lS+BhTcFHQN4qC5HUOZ6yS3qr9qyfdIvGm1D+eb0TXnU7SFJazAPprtDQ4rRsf05vQTz4rz6WWotMAR2hIAtqh+hZ3qnRzQUoSCL2r56LSSKWWcaMQHeG8L8dFMkI0zrADGVIZqco= 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 5614622812f47-4cbc77da654so472073b6e.2 for ; Thu, 24 Sep 2026 12:21:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790277690; x=1790882490; h=content-type: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:content-type; bh=G4OPnoGCxey7bEjq8ZLGQYRdw5p19KWGGfadWKd6dxo=; b=2JwfeYQL82wW3QxJ7/bkS/6t40NA9Iejyw/vz+ckE3J3NCoIGaAO4x4yweavPyFXvE bRANOiUb5QVm5VpgnRdMppAubKLa/tVKSMGGBXIuE8Z3+Cm3wfw76C4CpD0FJx4LGg3w L3sQRqMsHLrzBwH5XMleepiNRlOZqWd8m7IeispSGLZCl0G2MSv1zJIbmFOm1Mp6FciT C+swtucTP3fQDvekXNtT/5w3U3TDFRH+7ceDO5l6X3fhdmMrFabT0My55/cOZAxpCD4+ bIoaCfJftnf+ixm8roQWMIla6Bb+mLNED+9Ni4UQYgELtZmXdRoW9IphXQDNHfvS1C3a AnKg== X-Forwarded-Encrypted: i=1; AKwUvBzqNkj2WSqQUJ8BwuOrn0kvJhA8nzK854wsXJDiXiVQeaaDCI4Gt0fYhdVzUx5skJgNGiivBt9n1QtFaMY=@vger.kernel.org X-Gm-Message-State: AFuF++l0lL0i1MHe2nWX4WWkAKG4W2JJVhvTCzIicVZzZxDCzS/YCXLa bYgERKVryJqewLEc1eXwkWRmaLMiZ8K/0lnhC2B5qQQDDNmoCdcgLP3lHD5QegK2UkwTkrUq6Qq ZNhrxfur0fp5MEY7GzaBMSFFCAkUvaV7J/E0SSz/2NT158DjEwBvUQqSf/uE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6f93:b0:485:48da:133d with SMTP id 5614622812f47-4d72c042eebmr3146622b6e.10.1790277689791; Thu, 24 Sep 2026 12:21:29 -0700 (PDT) Date: Thu, 24 Sep 2026 12:21:29 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab57839.80e1c6cc.1e8e5f.0016.GAE@google.com> Subject: Re: [syzbot] [mmc?] KASAN: slab-use-after-free Write in ms_read_bytes From: syzbot To: rajojha047@gmail.com Cc: rajojha047@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test: git://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/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c > index 7f3f47db4c98..1a2b3c4d5e6f 100644 > --- a/drivers/memstick/core/memstick.c > +++ b/drivers/memstick/core/memstick.c > @@ -378,9 +378,7 @@ int memstick_set_rw_addr(struct memstick_dev *card) > { > card->next_request = h_memstick_set_rw_addr; > memstick_new_req(card->host); > - if (!wait_for_completion_timeout(&card->mrq_complete, > - msecs_to_jiffies(500))) > - card->current_mrq.error = -ETIMEDOUT; > + wait_for_completion(&card->mrq_complete); > > return card->current_mrq.error; > } > @@ -413,9 +411,7 @@ static struct memstick_dev > *memstick_alloc_card(struct memstick_host *host) > goto err_out; > > card->next_request = h_memstick_read_dev_id; > memstick_new_req(host); > - if (!wait_for_completion_timeout(&card->mrq_complete, > - msecs_to_jiffies(500))) > - card->current_mrq.error = -ETIMEDOUT; > + wait_for_completion(&card->mrq_complete); > > if (card->current_mrq.error) > goto err_out;