Messages in this thread Patch in this message | | | From | Jisheng Zhang <> | Subject | [PATCH riscv-next] riscv: bpf: Fix eBPF's exception tables | Date | Tue, 11 Jan 2022 00:52:08 +0800 |
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eBPF's exception tables needs to be modified to relative synchronously.
Suggested-by: Tong Tiangen <tongtiangen@huawei.com> Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/net/bpf_jit_comp64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 69bab7e28f91..44c97535bc15 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -498,7 +498,7 @@ static int add_exception_handler(const struct bpf_insn *insn, offset = pc - (long)&ex->insn; if (WARN_ON_ONCE(offset >= 0 || offset < INT_MIN)) return -ERANGE; - ex->insn = pc; + ex->insn = offset; /* * Since the extable follows the program, the fixup offset is always -- 2.34.1
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