* [PATCH nft] netlink_delinearize: release last register on exit
@ 2022-05-13 16:03 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2022-05-13 16:03 UTC (permalink / raw)
To: netfilter-devel
netlink_release_registers() does not release the expression in the last
32-bit register.
struct netlink_parse_ctx {
...
struct expr *registers[MAX_REGS + 1];
This array is MAX_REGS + 1 (verdict register + 16 32-bit registers).
Fixes: 371c3a0bc3c2 ("netlink_delinearize: release expressions in context registers")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
src/netlink_delinearize.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c
index a1b00dee209a..068c3bba1159 100644
--- a/src/netlink_delinearize.c
+++ b/src/netlink_delinearize.c
@@ -100,7 +100,7 @@ static void netlink_release_registers(struct netlink_parse_ctx *ctx)
{
int i;
- for (i = 0; i < MAX_REGS; i++)
+ for (i = 0; i <= MAX_REGS; i++)
expr_free(ctx->registers[i]);
}
--
2.30.2
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2022-05-13 16:03 [PATCH nft] netlink_delinearize: release last register on exit Pablo Neira Ayuso
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