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LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: marvell.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: hEAPUehi5KNhekMlKuZ2ZeKnZvLKhCUjbp9P7djaCjp5Z/QjHwEkPfYpN1etMxtSpYGc7VeYIGg/d6FbJv/6YDAW9MPgKp36X6mvSbSfz6h+BXFzQTl8W2qhMcZuctHbtVGtx3ZqGoZ5gWzl4sj8DDWdzIVUBV53p9Ktc5MieUg57XUReUoW29RZq4YtslHGF14mh/6Lit2iAZQef3EZwmEMWBcBe7ACVybWQ0lY9ma9qmS9QCoaEQf1fgd+agbGHR5f1AingI4YC4pD6dedYHLhBq8MEYxrvYnDSf9wAp7aV3BINdkUCEdMErY3vjy0hbumpLxnD08z2Orv+k8s9/R26dm/2EPJ6OIur2lJ3LcDeqjE5kZDTLpDFlqprtELnxAwAlFfFD6x7jiLuQwVDpyN6OE7HXecdvufqR/bJRM= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 5bb84576-fa2c-4328-1f82-08d6ae9cadf8 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Mar 2019 08:02:07.1601 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR18MB2358 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-22_05:, , signatures=0 Subject: Re: [dpdk-stable] [EXT] [PATCH v8] drivers/net: fix possible overflow using strlcat X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: Chaitanya Babu Talluri > Sent: Friday, March 22, 2019 1:22 PM > To: dev@dpdk.org > Cc: reshma.pattan@intel.com; jananeex.m.parthasarathy@intel.com; Rasesh > Mody ; Shahed Shaikh ; > beilei.xing@intel.com; qi.z.zhang@intel.com; Chaitanya Babu Talluri > ; stable@dpdk.org > Subject: [EXT] [PATCH v8] drivers/net: fix possible overflow using strlca= t >=20 > strcat does not check the destination length and there might be chances o= f > string overflow so instead of strcat, strlcat is used. >=20 > Fixes: 540a211084 ("bnx2x: driver core") > Fixes: e163c18a15 ("net/i40e: update ptype and pctype info") > Cc: stable@dpdk.org >=20 > Signed-off-by: Chaitanya Babu Talluri > --- > v8: Added missing semi-colon. > v7: Corrected title. > v6: Updated title. > v5: Removed strcat. > v4: Corrected usage of strlcat. > v3: Instead of strncat, used strlcat. > v2: Instead of strncat, used snprintf. > --- > drivers/net/bnx2x/bnx2x.c | 5 +++-- > drivers/net/i40e/i40e_ethdev.c | 4 ++-- > 2 files changed, 5 insertions(+), 4 deletions(-) >=20 > diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c index > 26b3828e8..ab092e23f 100644 > --- a/drivers/net/bnx2x/bnx2x.c > +++ b/drivers/net/bnx2x/bnx2x.c > @@ -25,6 +25,7 @@ > #include > #include > #include > +#include >=20 > #define BNX2X_PMD_VER_PREFIX "BNX2X PMD" > #define BNX2X_PMD_VERSION_MAJOR 1 > @@ -11741,13 +11742,13 @@ static const char *get_bnx2x_flags(uint32_t > flags) >=20 > for (i =3D 0; i < 5; i++) > if (flags & (1 << i)) { > - strcat(flag_str, flag[i]); > + strlcat(flag_str, flag[i], sizeof(flag_str)); > flags ^=3D (1 << i); > } > if (flags) { > static char unknown[BNX2X_INFO_STR_MAX]; > snprintf(unknown, 32, "Unknown flag mask %x", flags); > - strcat(flag_str, unknown); > + strlcat(flag_str, unknown, sizeof(flag_str)); > } > return flag_str; > } For bnx2x PMD changes - Acked-by: Shahed Shaikh Thanks, Shahed=20