On Fri, 7 Nov 2025 17:45:51 +0000 Marat Khalili <[email protected]> wrote:
> P.S. When running with UB sanitizer: > > RTE>>bpf_elf_load_autotest > BPF: resolve_xsym(40): EBPF_PSEUDO_CALL to external function: dummy_func1 > ../../src/lib/bpf/bpf_validate.c:247:24: runtime error: signed integer > overflow: 9223372036854775807 + 2147483647 cannot be represented in type > 'long int' > #0 0x2b1fdca in eval_add ../../src/lib/bpf/bpf_validate.c:247 > #1 0x2b2b9dc in eval_alu ../../src/lib/bpf/bpf_validate.c:691 > #2 0x2b3b187 in evaluate ../../src/lib/bpf/bpf_validate.c:2446 > #3 0x2b3bf0f in __rte_bpf_validate ../../src/lib/bpf/bpf_validate.c:2537 > #4 0x2b19b33 in rte_bpf_load ../../src/lib/bpf/bpf_load.c:113 > #5 0x2b47d6d in bpf_load_elf ../../src/lib/bpf/bpf_load_elf.c:288 > #6 0x2b47fe8 in rte_bpf_elf_load ../../src/lib/bpf/bpf_load_elf.c:320 > #7 0x66b4b8 in test_bpf_elf_load ../../src/app/test/test_bpf.c:3382 Hmm. looks like a pre-existing BPF library bug since this code was never tested before.
