The filter cleanup loop was using STAILQ_FOREACH and rte_free and would dereference the filter after free.
Found by build with -Dbsanitize=address,undefined Fixes: e8fe0e067b68 ("net/bnxt: fix allocation of PF info struct") Cc: ajit.khapa...@broadcom.com Cc: sta...@dpdk.org Signed-off-by: Stephen Hemminger <step...@networkplumber.org> Acked-by: Ajit Khaparde <ajit.khapa...@broadcom.com> --- drivers/net/bnxt/bnxt_filter.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c index 7b90ba651f..f083f3aa94 100644 --- a/drivers/net/bnxt/bnxt_filter.c +++ b/drivers/net/bnxt/bnxt_filter.c @@ -3,14 +3,12 @@ * All rights reserved. */ -#include <sys/queue.h> - #include <rte_byteorder.h> #include <rte_log.h> #include <rte_malloc.h> #include <rte_flow.h> #include <rte_flow_driver.h> -#include <rte_tailq.h> +#include <rte_queue.h> #include "bnxt.h" #include "bnxt_filter.h" @@ -151,7 +149,9 @@ void bnxt_free_filter_mem(struct bnxt *bp) bp->filter_info = NULL; for (i = 0; i < bp->pf->max_vfs; i++) { - STAILQ_FOREACH(filter, &bp->pf->vf_info[i].filter, next) { + struct bnxt_filter_info *tmp; + + STAILQ_FOREACH_SAFE(filter, &bp->pf->vf_info[i].filter, next, tmp) { rte_free(filter); STAILQ_REMOVE(&bp->pf->vf_info[i].filter, filter, bnxt_filter_info, next); -- 2.47.2