Commit 3f7a8415 authored by Mykyta Yatsenko's avatar Mykyta Yatsenko Committed by Andrii Nakryiko
Browse files

selftests/bpf: Removed obsolete tests 



Now bpf_timer can be used in tracepoints, so these tests are no longer
relevant.

Signed-off-by: default avatarMykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20260201025403.66625-9-alexei.starovoitov@gmail.com
parent 083c5a4b

tools/testing/selftests/bpf/progs/verifier_helper_restricted.c

+0 −111
Original line number Diff line number Diff line
@@ -17,17 +17,6 @@ struct { 
	__type(value, struct val);

} map_spin_lock SEC(".maps");



struct timer {

	struct bpf_timer t;

};



struct {

	__uint(type, BPF_MAP_TYPE_ARRAY);

	__uint(max_entries, 1);

	__type(key, int);

	__type(value, struct timer);

} map_timer SEC(".maps");



SEC("kprobe")

__description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_KPROBE")

__failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
@@ -84,106 +73,6 @@ __naked void bpf_prog_type_raw_tracepoint_1(void) 
	: __clobber_all);

}



SEC("kprobe")

__description("bpf_timer_init isn restricted in BPF_PROG_TYPE_KPROBE")

__failure __msg("tracing progs cannot use bpf_timer yet")

__naked void in_bpf_prog_type_kprobe_2(void)

{

	asm volatile ("					\

	r2 = r10;					\

	r2 += -8;					\

	r1 = 0;						\

	*(u64*)(r2 + 0) = r1;				\

	r1 = %[map_timer] ll;				\

	call %[bpf_map_lookup_elem];			\

	if r0 == 0 goto l0_%=;				\

	r1 = r0;					\

	r2 = %[map_timer] ll;				\

	r3 = 1;						\

l0_%=:	call %[bpf_timer_init];				\

	exit;						\

"	:

	: __imm(bpf_map_lookup_elem),

	  __imm(bpf_timer_init),

	  __imm_addr(map_timer)

	: __clobber_all);

}



SEC("perf_event")

__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_PERF_EVENT")

__failure __msg("tracing progs cannot use bpf_timer yet")

__naked void bpf_prog_type_perf_event_2(void)

{

	asm volatile ("					\

	r2 = r10;					\

	r2 += -8;					\

	r1 = 0;						\

	*(u64*)(r2 + 0) = r1;				\

	r1 = %[map_timer] ll;				\

	call %[bpf_map_lookup_elem];			\

	if r0 == 0 goto l0_%=;				\

	r1 = r0;					\

	r2 = %[map_timer] ll;				\

	r3 = 1;						\

l0_%=:	call %[bpf_timer_init];				\

	exit;						\

"	:

	: __imm(bpf_map_lookup_elem),

	  __imm(bpf_timer_init),

	  __imm_addr(map_timer)

	: __clobber_all);

}



SEC("tracepoint")

__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_TRACEPOINT")

__failure __msg("tracing progs cannot use bpf_timer yet")

__naked void in_bpf_prog_type_tracepoint_2(void)

{

	asm volatile ("					\

	r2 = r10;					\

	r2 += -8;					\

	r1 = 0;						\

	*(u64*)(r2 + 0) = r1;				\

	r1 = %[map_timer] ll;				\

	call %[bpf_map_lookup_elem];			\

	if r0 == 0 goto l0_%=;				\

	r1 = r0;					\

	r2 = %[map_timer] ll;				\

	r3 = 1;						\

l0_%=:	call %[bpf_timer_init];				\

	exit;						\

"	:

	: __imm(bpf_map_lookup_elem),

	  __imm(bpf_timer_init),

	  __imm_addr(map_timer)

	: __clobber_all);

}



SEC("raw_tracepoint")

__description("bpf_timer_init is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT")

__failure __msg("tracing progs cannot use bpf_timer yet")

__naked void bpf_prog_type_raw_tracepoint_2(void)

{

	asm volatile ("					\

	r2 = r10;					\

	r2 += -8;					\

	r1 = 0;						\

	*(u64*)(r2 + 0) = r1;				\

	r1 = %[map_timer] ll;				\

	call %[bpf_map_lookup_elem];			\

	if r0 == 0 goto l0_%=;				\

	r1 = r0;					\

	r2 = %[map_timer] ll;				\

	r3 = 1;						\

l0_%=:	call %[bpf_timer_init];				\

	exit;						\

"	:

	: __imm(bpf_map_lookup_elem),

	  __imm(bpf_timer_init),

	  __imm_addr(map_timer)

	: __clobber_all);

}



SEC("kprobe")

__description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_KPROBE")

__failure __msg("tracing progs cannot use bpf_spin_lock yet")