[dpdk-dev] [PATCH] compress/isal: fix use after free

Daly, Lee lee.daly at intel.com
Tue May 21 17:07:30 CEST 2019


Hi Stephen, 
Thanks for the patch.

> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, May 21, 2019 3:47 PM
> To: Daly, Lee <lee.daly at intel.com>
> Cc: dev at dpdk.org; Stephen Hemminger <stephen at networkplumber.org>
> Subject: [PATCH] compress/isal: fix use after free
> 
> The release function was using qp->stream after already releasing it and the
> null pointer checking was missing.
> 
> Also since rte_free(NULL) is a no-op, remove unnecessary checks for NULL.
> 
> Coverity issure: 340860
> Fixes: dc49e6aa4879 ("compress/isal: add ISA-L compression functionality")
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>  drivers/compress/isal/isal_compress_pmd_ops.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/compress/isal/isal_compress_pmd_ops.c

 Acked-by: Lee Daly <lee.daly at intel.com>


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