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-rw-r--r--tools/testing/selftests/bpf/prog_tests/fexit_sleep.c8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_listen.c85
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_metadata.c3
3 files changed, 68 insertions, 28 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
index f949647dbbc2..552a0875ca6d 100644
--- a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
@@ -21,13 +21,13 @@ static int do_sleep(void *skel)
}
#define STACK_SIZE (1024 * 1024)
-static char child_stack[STACK_SIZE];
void test_fexit_sleep(void)
{
struct fexit_sleep_lskel *fexit_skel = NULL;
int wstatus, duration = 0;
pid_t cpid;
+ char *child_stack = NULL;
int err, fexit_cnt;
fexit_skel = fexit_sleep_lskel__open_and_load();
@@ -38,6 +38,11 @@ void test_fexit_sleep(void)
if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
goto cleanup;
+ child_stack = mmap(NULL, STACK_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE |
+ MAP_ANONYMOUS | MAP_STACK, -1, 0);
+ if (!ASSERT_NEQ(child_stack, MAP_FAILED, "mmap"))
+ goto cleanup;
+
cpid = clone(do_sleep, child_stack + STACK_SIZE, CLONE_FILES | SIGCHLD, fexit_skel);
if (CHECK(cpid == -1, "clone", "%s\n", strerror(errno)))
goto cleanup;
@@ -78,5 +83,6 @@ void test_fexit_sleep(void)
goto cleanup;
cleanup:
+ munmap(child_stack, STACK_SIZE);
fexit_sleep_lskel__destroy(fexit_skel);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
index e91b59366030..9ce0e0e0b7da 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
@@ -29,6 +29,8 @@
#include "sockmap_helpers.h"
+#define NO_FLAGS 0
+
static void test_insert_invalid(struct test_sockmap_listen *skel __always_unused,
int family, int sotype, int mapfd)
{
@@ -1376,7 +1378,8 @@ static void test_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
static void pairs_redir_to_connected(int cli0, int peer0, int cli1, int peer1,
int sock_mapfd, int nop_mapfd,
- int verd_mapfd, enum redir_mode mode)
+ int verd_mapfd, enum redir_mode mode,
+ int send_flags)
{
const char *log_prefix = redir_mode_str(mode);
unsigned int pass;
@@ -1396,12 +1399,11 @@ static void pairs_redir_to_connected(int cli0, int peer0, int cli1, int peer1,
return;
}
- n = write(cli1, "a", 1);
- if (n < 0)
- FAIL_ERRNO("%s: write", log_prefix);
- if (n == 0)
- FAIL("%s: incomplete write", log_prefix);
- if (n < 1)
+ /* Last byte is OOB data when send_flags has MSG_OOB bit set */
+ n = xsend(cli1, "ab", 2, send_flags);
+ if (n >= 0 && n < 2)
+ FAIL("%s: incomplete send", log_prefix);
+ if (n < 2)
return;
key = SK_PASS;
@@ -1416,6 +1418,25 @@ static void pairs_redir_to_connected(int cli0, int peer0, int cli1, int peer1,
FAIL_ERRNO("%s: recv_timeout", log_prefix);
if (n == 0)
FAIL("%s: incomplete recv", log_prefix);
+
+ if (send_flags & MSG_OOB) {
+ /* Check that we can't read OOB while in sockmap */
+ errno = 0;
+ n = recv(peer1, &b, 1, MSG_OOB | MSG_DONTWAIT);
+ if (n != -1 || errno != EOPNOTSUPP)
+ FAIL("%s: recv(MSG_OOB): expected EOPNOTSUPP: retval=%d errno=%d",
+ log_prefix, n, errno);
+
+ /* Remove peer1 from sockmap */
+ xbpf_map_delete_elem(sock_mapfd, &(int){ 1 });
+
+ /* Check that OOB was dropped on redirect */
+ errno = 0;
+ n = recv(peer1, &b, 1, MSG_OOB | MSG_DONTWAIT);
+ if (n != -1 || errno != EINVAL)
+ FAIL("%s: recv(MSG_OOB): expected EINVAL: retval=%d errno=%d",
+ log_prefix, n, errno);
+ }
}
static void unix_redir_to_connected(int sotype, int sock_mapfd,
@@ -1432,7 +1453,8 @@ static void unix_redir_to_connected(int sotype, int sock_mapfd,
goto close0;
c1 = sfd[0], p1 = sfd[1];
- pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd, mode);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd,
+ mode, NO_FLAGS);
xclose(c1);
xclose(p1);
@@ -1722,7 +1744,8 @@ static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd,
if (err)
goto close_cli0;
- pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd, mode);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd,
+ mode, NO_FLAGS);
xclose(c1);
xclose(p1);
@@ -1780,7 +1803,8 @@ static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd,
if (err)
goto close;
- pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd, mode);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, -1, verd_mapfd,
+ mode, NO_FLAGS);
xclose(c1);
xclose(p1);
@@ -1815,10 +1839,9 @@ static void inet_unix_skb_redir_to_connected(struct test_sockmap_listen *skel,
xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
}
-static void unix_inet_redir_to_connected(int family, int type,
- int sock_mapfd, int nop_mapfd,
- int verd_mapfd,
- enum redir_mode mode)
+static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd,
+ int nop_mapfd, int verd_mapfd,
+ enum redir_mode mode, int send_flags)
{
int c0, c1, p0, p1;
int sfd[2];
@@ -1828,19 +1851,18 @@ static void unix_inet_redir_to_connected(int family, int type,
if (err)
return;
- if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd))
+ if (socketpair(AF_UNIX, type | SOCK_NONBLOCK, 0, sfd))
goto close_cli0;
c1 = sfd[0], p1 = sfd[1];
- pairs_redir_to_connected(c0, p0, c1, p1,
- sock_mapfd, nop_mapfd, verd_mapfd, mode);
+ pairs_redir_to_connected(c0, p0, c1, p1, sock_mapfd, nop_mapfd,
+ verd_mapfd, mode, send_flags);
xclose(c1);
xclose(p1);
close_cli0:
xclose(c0);
xclose(p0);
-
}
static void unix_inet_skb_redir_to_connected(struct test_sockmap_listen *skel,
@@ -1859,31 +1881,42 @@ static void unix_inet_skb_redir_to_connected(struct test_sockmap_listen *skel,
skel->bss->test_ingress = false;
unix_inet_redir_to_connected(family, SOCK_DGRAM,
sock_map, -1, verdict_map,
- REDIR_EGRESS);
+ REDIR_EGRESS, NO_FLAGS);
unix_inet_redir_to_connected(family, SOCK_DGRAM,
sock_map, -1, verdict_map,
- REDIR_EGRESS);
+ REDIR_EGRESS, NO_FLAGS);
unix_inet_redir_to_connected(family, SOCK_DGRAM,
sock_map, nop_map, verdict_map,
- REDIR_EGRESS);
+ REDIR_EGRESS, NO_FLAGS);
+ unix_inet_redir_to_connected(family, SOCK_STREAM,
+ sock_map, nop_map, verdict_map,
+ REDIR_EGRESS, NO_FLAGS);
+
+ /* MSG_OOB not supported by AF_UNIX SOCK_DGRAM */
unix_inet_redir_to_connected(family, SOCK_STREAM,
sock_map, nop_map, verdict_map,
- REDIR_EGRESS);
+ REDIR_EGRESS, MSG_OOB);
+
skel->bss->test_ingress = true;
unix_inet_redir_to_connected(family, SOCK_DGRAM,
sock_map, -1, verdict_map,
- REDIR_INGRESS);
+ REDIR_INGRESS, NO_FLAGS);
unix_inet_redir_to_connected(family, SOCK_STREAM,
sock_map, -1, verdict_map,
- REDIR_INGRESS);
+ REDIR_INGRESS, NO_FLAGS);
unix_inet_redir_to_connected(family, SOCK_DGRAM,
sock_map, nop_map, verdict_map,
- REDIR_INGRESS);
+ REDIR_INGRESS, NO_FLAGS);
+ unix_inet_redir_to_connected(family, SOCK_STREAM,
+ sock_map, nop_map, verdict_map,
+ REDIR_INGRESS, NO_FLAGS);
+
+ /* MSG_OOB not supported by AF_UNIX SOCK_DGRAM */
unix_inet_redir_to_connected(family, SOCK_STREAM,
sock_map, nop_map, verdict_map,
- REDIR_INGRESS);
+ REDIR_INGRESS, MSG_OOB);
xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
index f76b5d67a3ee..c87ee2bf558c 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
@@ -68,7 +68,8 @@ static int open_xsk(int ifindex, struct xsk *xsk)
.fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS,
.comp_size = XSK_RING_CONS__DEFAULT_NUM_DESCS,
.frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE,
- .flags = XDP_UMEM_UNALIGNED_CHUNK_FLAG | XDP_UMEM_TX_SW_CSUM,
+ .flags = XDP_UMEM_UNALIGNED_CHUNK_FLAG | XDP_UMEM_TX_SW_CSUM |
+ XDP_UMEM_TX_METADATA_LEN,
.tx_metadata_len = sizeof(struct xsk_tx_metadata),
};
__u32 idx;
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