From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0544C261B9E; Sat, 30 May 2026 17:48:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163330; cv=none; b=IgbOWYl+GQj5xt0zdnGDmkF4c7tbdNfi1JGqrcu8q89PN3x30GOxFWTm337gcP7q8l5W3KdEIUmmgbAD2gVhP2uiQ3rBGu0ly/XUqbpbQfsqReCnufrYe3DBRBW5UGJobxJPuU/c7TR3bER7yxwh+RdgXTuWSc4LYIKVNHd/4eA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163330; c=relaxed/simple; bh=iQaCgu338TuRoYw2QvvCpeljyxBXCAYep4JS12vp83Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N5TeoypGa74nR9K18o1ZoQNeBpZNz6lLSMkgkAMAYk4kP2J1SLLRs7DRoXe8khNAvEq1nOxRgmkSskpNqz4YbwcwSTmXQqwLJJZlJcZ33SuPd16o3Cd4VSyQpem6Qoq2P8Cvjp1IquyHTNWS0TDDBy7UqBFtdzcwhyN/yrt5jaM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ebxsCp7k; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ebxsCp7k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 499581F00893; Sat, 30 May 2026 17:48:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780163329; bh=M1dKRaDbd3sMl8B+0IH5O2jrVK8Gz8C1mBAj3FPPrtg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ebxsCp7kWz6Vh6MspdUuBBuj8nDGhkhgXfrPNZ3NzVGzG4yN0S3ljM1+7V7xgqs0n h3g5f4eD3AmqLaebMd/HI67q7Ku62Kz1XooJK8lFMx5NviaO6CWUdjR7E2kPxgupEe Px877aPrQrs8m1wCeK0MzfSXjfSKsZPsgWQZhXhw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yiming Qian , Herbert Xu , Eric Biggers Subject: [PATCH 5.15 198/776] crypto: pcrypt - Fix handling of MAY_BACKLOG requests Date: Sat, 30 May 2026 17:58:32 +0200 Message-ID: <20260530160245.625586794@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Herbert Xu commit 915b692e6cb723aac658c25eb82c58fd81235110 upstream. MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications. Reported-by: Yiming Qian Fixes: 5a1436beec57 ("crypto: pcrypt - call the complete function on error") Signed-off-by: Herbert Xu Cc: Eric Biggers Signed-off-by: Greg Kroah-Hartman --- crypto/pcrypt.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -69,6 +69,9 @@ static void pcrypt_aead_done(struct cryp struct pcrypt_request *preq = aead_request_ctx(req); struct padata_priv *padata = pcrypt_request_padata(preq); + if (err == -EINPROGRESS) + return; + padata->info = err; padata_do_serial(padata); @@ -82,7 +85,7 @@ static void pcrypt_aead_enc(struct padat ret = crypto_aead_encrypt(req); - if (ret == -EINPROGRESS) + if (ret == -EINPROGRESS || ret == -EBUSY) return; padata->info = ret; @@ -133,7 +136,7 @@ static void pcrypt_aead_dec(struct padat ret = crypto_aead_decrypt(req); - if (ret == -EINPROGRESS) + if (ret == -EINPROGRESS || ret == -EBUSY) return; padata->info = ret;