[PATCH v2] net/tap: fix buffer overflow for ptypes list

Ferruh Yigit ferruh.yigit at amd.com
Fri Dec 15 14:52:20 CET 2023


On 12/15/2023 1:38 PM, Sivaramakrishnan Venkat wrote:
> Incorrect ptypes list causes buffer overflow for Address Sanitizer
> run. 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.
> 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")
> Fixes: 659b494d3d88 ("net/pfe: add packet types and basic statistics")
> Fixes: 398a1be14168 ("net/thunderx: remove generic passX references")
> Cc: pascal.mazon at 6wind.com
> Cc: zr at semihalf.com
> Cc: tdu at semihalf.com
> Cc: jianfeng.tan at intel.com
> Cc: g.singh at nxp.com
> Cc: jerin.jacob at caviumnetworks.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Sivaramakrishnan Venkat <venkatx.sivaramakrishnan at intel.com>
> 

Thanks Sivaramakrishnan for fixing all drivers.

Acked-by: Ferruh Yigit <ferruh.yigit at amd.com>



Is there any chance you can add relevant unit test to
'app/test/test_ethdev_api.c', this way it helps us prevent doing same
mistake in the future?




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