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 C3E4531740; Fri, 24 Nov 2023 17:57:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DON5bPBk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 517B5C433C7; Fri, 24 Nov 2023 17:57:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700848663; bh=39BtZ5ouQeHDX1eYWcy97CQF7SRtrIxv+ZNhFcI3fOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DON5bPBkLIkF46v6pcQPIcKmXn8x9OTlJ7MoifYzb0aqVwNyDto5ywFmUjbyscy5F yHQAktNS5q1r7+FlYTBb9ocNa2hb4PCgKyyc5Ts9q/mL3/0Dyen+/bzPoDF8iKf97X eVIrtmHpwCxBVoWEu5aIIIV48GNH5YTEeqPJKOTA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans Verkuil , Arnd Bergmann , Sasha Levin Subject: [PATCH 4.19 32/97] media: vivid: avoid integer overflow Date: Fri, 24 Nov 2023 17:50:05 +0000 Message-ID: <20231124171935.359645350@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231124171934.122298957@linuxfoundation.org> References: <20231124171934.122298957@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans Verkuil [ Upstream commit 4567ebf8e8f9546b373e78e3b7d584cc30b62028 ] Fixes these compiler warnings: drivers/media/test-drivers/vivid/vivid-rds-gen.c: In function 'vivid_rds_gen_fill': drivers/media/test-drivers/vivid/vivid-rds-gen.c:147:56: warning: '.' directive output may be truncated writing 1 byte into a region of size between 0 and 3 [-Wformat-truncation=] 147 | snprintf(rds->psname, sizeof(rds->psname), "%6d.%1d", | ^ drivers/media/test-drivers/vivid/vivid-rds-gen.c:147:52: note: directive argument in the range [0, 9] 147 | snprintf(rds->psname, sizeof(rds->psname), "%6d.%1d", | ^~~~~~~~~ drivers/media/test-drivers/vivid/vivid-rds-gen.c:147:9: note: 'snprintf' output between 9 and 12 bytes into a destination of size 9 147 | snprintf(rds->psname, sizeof(rds->psname), "%6d.%1d", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 148 | freq / 16, ((freq & 0xf) * 10) / 16); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil Acked-by: Arnd Bergmann Signed-off-by: Sasha Levin --- drivers/media/platform/vivid/vivid-rds-gen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/vivid/vivid-rds-gen.c b/drivers/media/platform/vivid/vivid-rds-gen.c index 39ca9a56448c0..9f6009ac5e255 100644 --- a/drivers/media/platform/vivid/vivid-rds-gen.c +++ b/drivers/media/platform/vivid/vivid-rds-gen.c @@ -145,7 +145,7 @@ void vivid_rds_gen_fill(struct vivid_rds_gen *rds, unsigned freq, rds->ta = alt; rds->ms = true; snprintf(rds->psname, sizeof(rds->psname), "%6d.%1d", - freq / 16, ((freq & 0xf) * 10) / 16); + (freq / 16) % 1000000, (((freq & 0xf) * 10) / 16) % 10); if (alt) strlcpy(rds->radiotext, " The Radio Data System can switch between different Radio Texts ", -- 2.42.0