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Content-Language: en-US To: Sivaramakrishnan Venkat , Hemant Agrawal , Sachin Saxena , Zyta Szpak , Liron Himi , Chaoyong He , Gagandeep Singh , Jerin Jacob , Maciej Czekaj Cc: dev@dpdk.org, stable@dpdk.org, pascal.mazon@6wind.com, tdu@semihalf.com, jianfeng.tan@intel.com, jerin.jacob@caviumnetworks.com References: <20231221184001.928922-1-venkatx.sivaramakrishnan@intel.com> <20240104175111.2190075-1-venkatx.sivaramakrishnan@intel.com> <20240104175111.2190075-2-venkatx.sivaramakrishnan@intel.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@amd.com; keydata= xsFNBGJDD3EBEAC/M7Tk/DfQSmP1K96vyzdhfSBzlCaGtcxNXorq4fALruqVsD3oi0yfyEz9 4YN8x7py0o9EL8ZdpOX0skc0AMCDAaw033uWhCn0GLMeGRKUbfOAPvL6ecSDvGD7CJIO9j0J eZUvasBgPdM/435PEr9DmC6Ggzdzt8IuG4PoLi5jpFSfcqxZFCCxLUDEo/w0nuguk2FTuYJg B2zEZ4JTBZrw7hIHiFh8D8hr6YA6a5uTofq1tr+l048lbtdFUl8TR0aIExVzE4Z8qKZlcE+9 RQaewjK5Al1jLE4sHdmd3GN+IvgDF3D/fLsi25SKJDeGSdeHkOmaX0qGeM4WKIfU6iARRCiQ 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 1/4/2024 5:51 PM, Sivaramakrishnan Venkat wrote: > Incorrect ptypes list causes buffer overflow for Address Sanitizer > run. > I think it cause buffer overflow anyway, but detected with Address Sanitizer, so perhaps we can say: "Address Sanitizer detected buffer overflow caused by incorrect ptypes list." > The last element in the ptypes lists to be "RTE_PTYPE_UNKNOWN" > for rte_eth_dev_get_supported_ptypes(). > In rte_eth_dev_get_supported_ptypes(),the loop iterates until it > finds "RTE_PTYPE_UNKNOWN" to detect last element of the ptypes array. > It implies but can be good to put clearly that missing "RTE_PTYPE_UNKNOWN" causes the buffer overflow in the loop. > Fix the ptypes list for drivers. > > Fixes: 0849ac3b6122 ("net/tap: add packet type management") > Fixes: a7bdc3bd4244 ("net/dpaa: support packet type parsing") > Fixes: 4ccc8d770d3b ("net/mvneta: add PMD skeleton") > Fixes: f3f0d77db6b0 ("net/mrvl: support packet type parsing") > Fixes: 78a38edf66de ("ethdev: query supported packet types") > Is this fixes line correct, as far as I can see drivers added with this commit is correct. nfp driver also seems fixed, maybe intention was add fixes for it? > Fixes: 659b494d3d88 ("net/pfe: add packet types and basic statistics") > Fixes: 398a1be14168 ("net/thunderx: remove generic passX references") > Cc: pascal.mazon@6wind.com > Cc: zr@semihalf.com > Cc: tdu@semihalf.com > Cc: jianfeng.tan@intel.com > Cc: g.singh@nxp.com > Cc: jerin.jacob@caviumnetworks.com > Cc: stable@dpdk.org > > Signed-off-by: Sivaramakrishnan Venkat > Patch is no more tap patch, can you please update the patch title in next version, it can be something like: "drivers/net: fix buffer overflow for ptypes list" > --- > drivers/net/dpaa/dpaa_ethdev.c | 3 ++- > drivers/net/mvneta/mvneta_ethdev.c | 3 ++- > drivers/net/mvpp2/mrvl_ethdev.c | 3 ++- > drivers/net/nfp/nfp_net_common.c | 1 + > drivers/net/pfe/pfe_ethdev.c | 3 ++- > drivers/net/tap/rte_eth_tap.c | 1 + > drivers/net/thunderx/nicvf_ethdev.c | 2 ++ > 7 files changed, 12 insertions(+), 4 deletions(-) > Code changes looks good to me.