https://bugs.dpdk.org/show_bug.cgi?id=393
Bug ID: 393
Summary: rte_zmalloc_socket does not zero memory
Product: DPDK
Version: 19.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: pavel.kr...@anritsu.com
Target Milestone: ---
Hello,
It seems that rte_zmalloc_socket does not return zeroed memory on some cases.
It seems to work OK on all but HP G10 server where I was testing application
that tried to create rte fragment table and do IP defragementation where it
crashed on some of the structure members.
I put check into rte_zmalloc_socket to see if the memory was really zeroed and
it was not! Also if I zero the memory then the defragmentation works correctly
and does not crash.
I see from google that there were problems like this in the past with non
zeroed rte_zmalloc_socket.
I have tested also the 19.02 version and it has same problem.
this is on Centos 7.3 with linux kernel 3.10.0-514.el7.x86_64. Don't know if
the linux itself can return non-zeroed memory in some case to dpdk lib.
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