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selftests/bpf: test_xsk: Initialize bitmap before use

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bitmap is used before being initialized.

Initialize it to zero before using it.

Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20251031-xsk-v7-2-39fe486593a3@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Bastien Curutchet (eBPF Foundation) 2025-10-31 09:04:38 +01:00 committed by Alexei Starovoitov
parent 3ab77f35a7
commit 2233ef8bba
1 changed files with 4 additions and 0 deletions
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4
tools/testing/selftests/bpf/test_xsk.c
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@ -1069,6 +1069,8 @@ static int receive_pkts(struct test_spec *test)
u32 sock_num = 0; u32 sock_num = 0;
int res, ret; int res, ret;
bitmap_zero(bitmap, test->nb_sockets);
ret = gettimeofday(&tv_now, NULL); ret = gettimeofday(&tv_now, NULL);
if (ret) if (ret)
exit_with_error(errno); 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); DECLARE_BITMAP(bitmap, test->nb_sockets);
u32 i, ret; u32 i, ret;
bitmap_zero(bitmap, test->nb_sockets);
while (!(all_packets_sent(test, bitmap))) { while (!(all_packets_sent(test, bitmap))) {
for (i = 0; i < test->nb_sockets; i++) { for (i = 0; i < test->nb_sockets; i++) {
struct pkt_stream *pkt_stream; struct pkt_stream *pkt_stream;