diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 696bc55de8e8..8167b3a721e9 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2196,7 +2196,7 @@ static u64 ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn) BUG_ON(1); return 0; } - +#define BPF_MAX_STACK_SIZE 512 #define PROG_NAME(stack_size) __bpf_prog_run##stack_size #define DEFINE_BPF_PROG_RUN(stack_size) \ static unsigned int PROG_NAME(stack_size)(const void *ctx, const struct bpf_insn *insn) \ @@ -2345,7 +2345,7 @@ static void bpf_prog_select_func(struct bpf_prog *fp) { #ifndef CONFIG_BPF_JIT_ALWAYS_ON u32 stack_depth = max_t(u32, fp->aux->stack_depth, 1); - + stack_depth = min_t(u32, stack_depth, BPF_MAX_STACK_SIZE); fp->bpf_func = interpreters[(round_up(stack_depth, 32) / 32) - 1]; #else fp->bpf_func = __bpf_prog_ret0_warn;