From 9ff79af3331277c69ac61cc75b2392eb3284e305 Mon Sep 17 00:00:00 2001 From: Song Liu Date: Fri, 3 Jul 2020 11:17:19 -0700 Subject: [PATCH] selftests/bpf: Fix compilation error of bpf_iter_task_stack.c BPF selftests show a compilation error as follows: libbpf: invalid relo for 'entries' in special section 0xfff2; forgot to initialize global var?.. Fix it by initializing 'entries' to zeros. Fixes: c7568114bc56 ("selftests/bpf: Add bpf_iter test with bpf_get_task_stack()") Reported-by: Jesper Dangaard Brouer Signed-off-by: Song Liu Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20200703181719.3747072-1-songliubraving@fb.com --- tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c index e40d32a2ed93..50e59a2e142e 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c @@ -7,7 +7,7 @@ char _license[] SEC("license") = "GPL"; #define MAX_STACK_TRACE_DEPTH 64 -unsigned long entries[MAX_STACK_TRACE_DEPTH]; +unsigned long entries[MAX_STACK_TRACE_DEPTH] = {}; #define SIZE_OF_ULONG (sizeof(unsigned long)) SEC("iter/task") -- 2.11.0