| Message ID | 20180826231332.2491-3-erosca@de.adit-jv.com |
|---|---|
| State | Superseded |
| Delegated to: | Tom Rini |
| Headers | show
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[178.24.244.103]) by smtp.gmail.com with ESMTPSA id e141-v6sm10828362wmd.32.2018.08.26.16.15.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 26 Aug 2018 16:15:38 -0700 (PDT) From: Eugeniu Rosca <roscaeugeniu@gmail.com> X-Google-Original-From: Eugeniu Rosca <erosca@de.adit-jv.com> To: Tom Rini <trini@konsulko.com>, u-boot@lists.denx.de Date: Mon, 27 Aug 2018 01:13:20 +0200 Message-Id: <20180826231332.2491-3-erosca@de.adit-jv.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180826231332.2491-1-erosca@de.adit-jv.com> References: <20180826231332.2491-1-erosca@de.adit-jv.com> X-Mailman-Approved-At: Mon, 27 Aug 2018 01:08:09 +0000 Cc: Baruch Siach <baruch@tkos.co.il>, Michal Simek <michal.simek@xilinx.com>, Eugeniu Rosca <erosca@de.adit-jv.com>, Suniel Mahesh <sunil.m@techveda.org>, Vipul Kumar <vipul.kumar@xilinx.com>, Stephen Warren <swarren@nvidia.com>, eil Eilmsteiner Heribert <eil@keba.com>, Karthik Tummala <karthik@techveda.org>, Kishon Vijay Abraham I <kishon@ti.com>, Eugeniu Rosca <roscaeugeniu@gmail.com>, Guillaume GARDET <guillaume.gardet@free.fr>, Jonathan Gray <jsg@jsg.id.au> Subject: [U-Boot] [PATCH v2 02/13] mmc: Fix signed shift overflow X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <http://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
| Series |
Import Undefined Behavior Sanitizer
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expand
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diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index ad429f49c992..447519f46f15 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1136,7 +1136,7 @@ int mmc_getcd(struct mmc *mmc) #endif #if !CONFIG_IS_ENABLED(MMC_TINY) -static int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp) +static int sd_switch(struct mmc *mmc, uint mode, int group, u8 value, u8 *resp) { struct mmc_cmd cmd; struct mmc_data data;
Below is reproduced both with sandbox and R-Car Gen3 arm64 U-Boot: =================================================================== UBSAN: Undefined behaviour in drivers/mmc/mmc.c:1147:21 left shift of 1 by 31 places cannot be represented in type 'int' =================================================================== Fixes: 272cc70b211e ("Add MMC Framework") Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com> --- Changes in v2: - Shorten the summary line --- drivers/mmc/mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)