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authorMark Brown <broonie@kernel.org>2023-07-23 23:33:05 +0100
committerMark Brown <broonie@kernel.org>2023-07-23 23:33:05 +0100
commitde1b43a57aff8b1808bbfe0402932f9e373d1172 (patch)
tree699c828946223aab18a0aab5175e6902a8ce2e42 /tools/testing/selftests/bpf/progs/async_stack_depth.c
parent8cf2e3b1961e59dabc75e9e917d58439164a8f84 (diff)
parent6eaae198076080886b9e7d57f4ae06fa782f90ef (diff)
ASoC: Merge up fixes from mainline
There's several things here that will really help my CI.
Diffstat (limited to 'tools/testing/selftests/bpf/progs/async_stack_depth.c')
-rw-r--r--tools/testing/selftests/bpf/progs/async_stack_depth.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/async_stack_depth.c b/tools/testing/selftests/bpf/progs/async_stack_depth.c
index 477ba950bb43..3517c0e01206 100644
--- a/tools/testing/selftests/bpf/progs/async_stack_depth.c
+++ b/tools/testing/selftests/bpf/progs/async_stack_depth.c
@@ -22,9 +22,16 @@ static int timer_cb(void *map, int *key, struct bpf_timer *timer)
return buf[69];
}
+__attribute__((noinline))
+static int bad_timer_cb(void *map, int *key, struct bpf_timer *timer)
+{
+ volatile char buf[300] = {};
+ return buf[255] + timer_cb(NULL, NULL, NULL);
+}
+
SEC("tc")
-__failure __msg("combined stack size of 2 calls")
-int prog(struct __sk_buff *ctx)
+__failure __msg("combined stack size of 2 calls is 576. Too large")
+int pseudo_call_check(struct __sk_buff *ctx)
{
struct hmap_elem *elem;
volatile char buf[256] = {};
@@ -37,4 +44,18 @@ int prog(struct __sk_buff *ctx)
return bpf_timer_set_callback(&elem->timer, timer_cb) + buf[0];
}
+SEC("tc")
+__failure __msg("combined stack size of 2 calls is 608. Too large")
+int async_call_root_check(struct __sk_buff *ctx)
+{
+ struct hmap_elem *elem;
+ volatile char buf[256] = {};
+
+ elem = bpf_map_lookup_elem(&hmap, &(int){0});
+ if (!elem)
+ return 0;
+
+ return bpf_timer_set_callback(&elem->timer, bad_timer_cb) + buf[0];
+}
+
char _license[] SEC("license") = "GPL";