On 29 Jun 2022, at 12:22, Ilya Maximets wrote:
> dp_netdev_input_outer_avx512 allocates a 16KB scratch pad per PMD
> thread, but it's never freed. This may cause significant memory
> drain in dynamic environments.
>
> ==4068109==ERROR: LeakSanitizer: detected memory leaks
>
> Direct leak of 38656 byte(s) in 2 object(s) allocated from:
> 0 0xf069fd in posix_memalign (vswitchd/ovs-vswitchd+0xf069fd)
> 1 0x1d7ed14 in xmalloc_size_align lib/util.c:254:13
> 2 0x1d7ed14 in xmalloc_pagealign lib/util.c:352:12
> 3 0x2098254 in dp_netdev_input_outer_avx512 lib/dpif-netdev-avx512.c:69:17
> 4 0x191591a in dp_netdev_process_rxq_port lib/dpif-netdev.c:5332:19
> 5 0x190a961 in pmd_thread_main lib/dpif-netdev.c:6963:17
> 6 0x1c4b69a in ovsthread_wrapper lib/ovs-thread.c:422:12
> 7 0x7fd5ea6f1179 in start_thread pthread_create.c
>
> SUMMARY: AddressSanitizer: 38656 byte(s) leaked in 2 allocation(s).
>
> Fixes: 9ac84a1a3698 ("dpif-avx512: Add ISA implementation of dpif.")
> Signed-off-by: Ilya Maximets <i.maxim...@ovn.org>
> ---
Good catch... Do you have some script to run all kinds of sanitizers?
Acked-by: Eelco Chaudron <echau...@redhat.com>
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