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selftests/bpf: Fix realloc size in bpf_get_addrs

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We will segfault once we call realloc in bpf_get_addrs due to
wrong size argument.

Fixes: 6302bdeb91 ("selftests/bpf: Add a kprobe_multi subtest to use addrs instead of syms")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jiri Olsa
2025-10-01 14:22:23 +02:00
committed by Alexei Starovoitov
parent 4b2b38ea20
commit 0c342bfc99
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/trace_helpers.c
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@@ -732,7 +732,7 @@ int bpf_get_addrs(unsigned long **addrsp, size_t *cntp, bool kernel)
if (cnt == max_cnt) {
max_cnt += inc_cnt;
tmp_addrs = realloc(addrs, max_cnt);
tmp_addrs = realloc(addrs, max_cnt * sizeof(long));
if (!tmp_addrs) {
err = -ENOMEM;
goto error;