From: Bastien Curutchet (eBPF Foundation) Date: Fri, 31 Oct 2025 08:04:38 +0000 (+0100) Subject: selftests/bpf: test_xsk: Initialize bitmap before use X-Git-Tag: v6.19-rc1~171^2~61^2~13 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2233ef8bba81e02e8fee6300a81dcf389aa17c58;p=thirdparty%2Flinux.git selftests/bpf: test_xsk: Initialize bitmap before use bitmap is used before being initialized. Initialize it to zero before using it. Reviewed-by: Maciej Fijalkowski Signed-off-by: Bastien Curutchet (eBPF Foundation) Link: https://lore.kernel.org/r/20251031-xsk-v7-2-39fe486593a3@bootlin.com Signed-off-by: Alexei Starovoitov --- diff --git a/tools/testing/selftests/bpf/test_xsk.c b/tools/testing/selftests/bpf/test_xsk.c index 02250f29f9946..679491b6b9dd8 100644 --- a/tools/testing/selftests/bpf/test_xsk.c +++ b/tools/testing/selftests/bpf/test_xsk.c @@ -1069,6 +1069,8 @@ static int receive_pkts(struct test_spec *test) u32 sock_num = 0; int res, ret; + bitmap_zero(bitmap, test->nb_sockets); + ret = gettimeofday(&tv_now, NULL); if (ret) exit_with_error(errno); @@ -1259,6 +1261,8 @@ static int send_pkts(struct test_spec *test, struct ifobject *ifobject) DECLARE_BITMAP(bitmap, test->nb_sockets); u32 i, ret; + bitmap_zero(bitmap, test->nb_sockets); + while (!(all_packets_sent(test, bitmap))) { for (i = 0; i < test->nb_sockets; i++) { struct pkt_stream *pkt_stream;