diff options
-rw-r--r-- | pk/pk.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -29,7 +29,7 @@ static void handle_option(const char* s) } } -#define MAX_ARGS 64 +#define MAX_ARGS 256 typedef union { uint64_t buf[MAX_ARGS]; char* argv[MAX_ARGS]; @@ -38,6 +38,9 @@ typedef union { static size_t parse_args(arg_buf* args) { long r = frontend_syscall(SYS_getmainvars, va2pa(args), sizeof(*args), 0, 0, 0, 0, 0); + if (r != 0) + panic("args must not exceed %d bytes", (int)sizeof(arg_buf)); + kassert(r == 0); uint64_t* pk_argv = &args->buf[1]; // pk_argv[0] is the proxy kernel itself. skip it and any flags. |