From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 65B471FAA; Fri, 6 Jun 2025 05:02:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749186173; cv=none; b=n8mFnuVlEjX/FMrXJeZTeK6/JS6w88MGd22/NSBXiL89CcFO73CTOUW5/kQc4uw0DAUL5MRJuh2uvBXwh1rpTdomuoFiKlhD7QZXYEu/1GQEzCKwsLi1uQCX6eYAnX/EJdK2XSrXg5KJCtM5nei7lHSKyNL/Z9mw+RgJ4KnrQyg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749186173; c=relaxed/simple; bh=HgIQP+HgxwnYkrdf5pC+p9+9EWxGRHSb3vGaqT1ToAw=; h=Date:To:From:Subject:Message-Id; b=lOXg7Z/gAiWs5TStDO1CtmuAI3vJ8YY6bBvW2BWeklBCX37fh2+xIryGObLMKkct2ORsc+jgiqO8ty6gBhlp6YjBAHNZ6+PC8EdktbfNhjAlXrPqfbdqs0EF2KtSZrRRxMFCI8XGPz3rCl/VL1v7fEPk3U0ES0An2+dN2QBUr7Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=NDAi55eq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="NDAi55eq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4440C4CEEB; Fri, 6 Jun 2025 05:02:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1749186172; bh=HgIQP+HgxwnYkrdf5pC+p9+9EWxGRHSb3vGaqT1ToAw=; h=Date:To:From:Subject:From; b=NDAi55eqH9TfotA0ngF22pA5P/YlTFb0Hd+E0L2a452GrTRzMWSm1Zbn1NzEc3oRa TlfGX9IVAIBN+XbiZMD0sSEEF8gNYqGeaIO+D65t23VeTsgBX2oXQznasW25qVlAET /cjJMWyB6LEDZJMs+Z0chvZWk0mzn+CvfhWfDy8M= Date: Thu, 05 Jun 2025 22:02:52 -0700 To: mm-commits@vger.kernel.org,vbabka@suse.cz,stable@vger.kernel.org,shakeel.butt@linux.dev,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,jannh@google.com,david@redhat.com,baohua@kernel.org,21cnbao@gmail.com,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-hotfixes-stable] mm-madvise-handle-madvise_lock-failure-during-race-unwinding.patch removed from -mm tree Message-Id: <20250606050252.D4440C4CEEB@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/madvise: handle madvise_lock() failure during race unwinding has been removed from the -mm tree. Its filename was mm-madvise-handle-madvise_lock-failure-during-race-unwinding.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SeongJae Park Subject: mm/madvise: handle madvise_lock() failure during race unwinding Date: Mon, 2 Jun 2025 10:49:26 -0700 When unwinding race on -ERESTARTNOINTR handling of process_madvise(), madvise_lock() failure is ignored. Check the failure and abort remaining works in the case. Link: https://lkml.kernel.org/r/20250602174926.1074-1-sj@kernel.org Fixes: 4000e3d0a367 ("mm/madvise: remove redundant mmap_lock operations from process_madvise()") Signed-off-by: SeongJae Park Reported-by: Barry Song <21cnbao@gmail.com> Closes: https://lore.kernel.org/CAGsJ_4xJXXO0G+4BizhohSZ4yDteziPw43_uF8nPXPWxUVChzw@mail.gmail.com Reviewed-by: Jann Horn Reviewed-by: Lorenzo Stoakes Acked-by: David Hildenbrand Reviewed-by: Shakeel Butt Reviewed-by: Barry Song Cc: Liam Howlett Cc: Vlastimil Babka Cc: Signed-off-by: Andrew Morton --- mm/madvise.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/mm/madvise.c~mm-madvise-handle-madvise_lock-failure-during-race-unwinding +++ a/mm/madvise.c @@ -1881,7 +1881,9 @@ static ssize_t vector_madvise(struct mm_ /* Drop and reacquire lock to unwind race. */ madvise_finish_tlb(&madv_behavior); madvise_unlock(mm, behavior); - madvise_lock(mm, behavior); + ret = madvise_lock(mm, behavior); + if (ret) + goto out; madvise_init_tlb(&madv_behavior, mm); continue; } @@ -1892,6 +1894,7 @@ static ssize_t vector_madvise(struct mm_ madvise_finish_tlb(&madv_behavior); madvise_unlock(mm, behavior); +out: ret = (total_len - iov_iter_count(iter)) ? : ret; return ret; _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-introduce-damon_stat-module.patch mm-damon-introduce-damon_stat-module-fix.patch mm-damon-stat-calculate-and-expose-estimated-memory-bandwidth.patch mm-damon-stat-calculate-and-expose-idle-time-percentiles.patch docs-admin-guide-mm-damon-add-damon_stat-usage-document.patch