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Fix crash when wasm file contains symbols with large names ##bin (#18261)

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pancake 2021-01-22 12:07:35 +01:00 committed by GitHub
parent c76558c031
commit 5dedf4aa63
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 139 additions and 80 deletions
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164
libr/bin/format/wasm/wasm.c
View File

@ -72,23 +72,25 @@ static size_t consume_u1_r (RBuffer *b, ut64 max, ut8 *out) {
return n;
}
static size_t consume_str_r (RBuffer *b, ut64 max, size_t sz, char *out) {
static size_t consume_str_r(RBuffer *b, ut64 max, size_t sz, char *out) {
r_return_val_if_fail (b, 0);
ut64 cur = r_buf_tell (b);
if (!b || max >= r_buf_size (b) || cur > max) {
*out = 0;
if (max >= r_buf_size (b) || cur > max) {
return 0;
}
if (!(cur + sz - 1 <= max)) {
return 0;
}
if (sz > 0) {
r_buf_read (b, (ut8 *)out, R_MIN (R_BIN_WASM_STRING_LENGTH - 1, sz));
r_buf_read (b, (ut8 *)out, sz);
} else {
*out = 0;
}
return sz;
}
static size_t consume_init_expr_r (RBuffer *b, ut64 max, ut8 eoc, void *out) {
static size_t consume_init_expr_r(RBuffer *b, ut64 max, ut8 eoc, void *out) {
if (!b || max >= r_buf_size (b) || r_buf_tell (b) > max) {
return 0;
}
@ -104,7 +106,7 @@ static size_t consume_init_expr_r (RBuffer *b, ut64 max, ut8 eoc, void *out) {
return res + 1;
}
static size_t consume_locals_r (RBuffer *b, ut64 max, RBinWasmCodeEntry *out) {
static size_t consume_locals_r(RBuffer *b, ut64 max, RBinWasmCodeEntry *out) {
ut64 cur = r_buf_tell (b);
if (!b || max >= r_buf_size (b) || cur > max) {
return 0;
@ -134,8 +136,9 @@ beach:
return 0;
}
static size_t consume_limits_r (RBuffer *b, ut64 max, struct r_bin_wasm_resizable_limits_t *out) {
if (!b || max >= r_buf_size (b) || r_buf_tell (b) > max || !out) {
static size_t consume_limits_r(RBuffer *b, ut64 max, struct r_bin_wasm_resizable_limits_t *out) {
r_return_val_if_fail (b && out, 0);
if (max >= r_buf_size (b) || r_buf_tell (b) > max || !out) {
return 0;
}
ut32 i = r_buf_tell (b);
@ -152,7 +155,7 @@ static size_t consume_limits_r (RBuffer *b, ut64 max, struct r_bin_wasm_resizabl
}
// Utils
static RList *r_bin_wasm_get_sections_by_id (RList *sections, ut8 id) {
static RList *r_bin_wasm_get_sections_by_id(RList *sections, ut8 id) {
RBinWasmSection *sec = NULL;
RList *ret = r_list_newf (NULL);
if (!ret) {
@ -211,22 +214,23 @@ static char *r_bin_wasm_type_entry_to_string(RBinWasmTypeEntry *ptr) {
#endif
// Free
static void r_bin_wasm_free_types (RBinWasmTypeEntry *ptr) {
static void r_bin_wasm_free_types(RBinWasmTypeEntry *ptr) {
if (ptr) {
free (ptr->param_types);
}
free (ptr);
}
static void r_bin_wasm_free_codes (RBinWasmCodeEntry *ptr) {
static void r_bin_wasm_free_codes(RBinWasmCodeEntry *ptr) {
if (ptr) {
free (ptr->locals);
free (ptr->name);
}
free (ptr);
}
// Parsing
static RList *get_entries_from_section (RBinWasmObj *bin, RBinWasmSection *sec, ParseEntryFcn parse_entry, RListFree free_entry) {
static RList *get_entries_from_section(RBinWasmObj *bin, RBinWasmSection *sec, ParseEntryFcn parse_entry, RListFree free_entry) {
r_return_val_if_fail (sec && bin, NULL);
RList *ret = r_list_newf (free_entry);
@ -258,7 +262,7 @@ beach:
return ret;
}
static void *parse_type_entry (RBuffer *b, ut64 max) {
static void *parse_type_entry(RBuffer *b, ut64 max) {
RBinWasmTypeEntry *ptr = R_NEW0 (RBinWasmTypeEntry);
if (!ptr) {
return NULL;
@ -279,7 +283,7 @@ static void *parse_type_entry (RBuffer *b, ut64 max) {
goto beach;
}
}
int j;
ut32 j;
for (j = 0; j < count; j++) {
if (!(consume_s7_r (b, max, (st8 *)&ptr->param_types[j]))) {
goto beach;
@ -302,7 +306,8 @@ beach:
r_bin_wasm_free_types (ptr);
return NULL;
}
static void *parse_import_entry (RBuffer *b, ut64 max) {
static void *parse_import_entry(RBuffer *b, ut64 max) {
RBinWasmImportEntry *ptr = R_NEW0 (RBinWasmImportEntry);
if (!ptr) {
return NULL;
@ -359,7 +364,7 @@ beach:
return NULL;
}
static void *parse_export_entry (RBuffer *b, ut64 max) {
static void *parse_export_entry(RBuffer *b, ut64 max) {
RBinWasmExportEntry *ptr = R_NEW0 (RBinWasmExportEntry);
if (!ptr) {
return NULL;
@ -382,7 +387,7 @@ beach:
return NULL;
}
static void *parse_code_entry (RBuffer *b, ut64 max) {
static void *parse_code_entry(RBuffer *b, ut64 max) {
RBinWasmCodeEntry *ptr = R_NEW0 (RBinWasmCodeEntry);
if (!ptr) {
return NULL;
@ -414,7 +419,7 @@ beach:
return NULL;
}
static void *parse_data_entry (RBuffer *b, ut64 max) {
static void *parse_data_entry(RBuffer *b, ut64 max) {
RBinWasmDataEntry *ptr = R_NEW0 (RBinWasmDataEntry);
if (!ptr) {
return NULL;
@ -437,14 +442,14 @@ beach:
return NULL;
}
static bool parse_namemap (RBuffer *b, ut64 max, RIDStorage *map, ut32 *count) {
static bool parse_namemap(RBuffer *b, ut64 max, RIDStorage *map, ut32 *count) {
size_t i;
if (!(consume_u32_r (b, max, count))) {
return false;
}
for (i = 0; i < *count; i++) {
struct r_bin_wasm_name_t *name = R_NEW0 (struct r_bin_wasm_name_t);
RBinWasmName*name = R_NEW0 (RBinWasmName);
if (!name) {
return false;
}
@ -459,8 +464,13 @@ static bool parse_namemap (RBuffer *b, ut64 max, RIDStorage *map, ut32 *count) {
R_FREE (name);
return false;
}
if (!(consume_str_r (b, max, name->len, (char *)name->name))) {
name->name = malloc (name->len + 1);
if (!name->name) {
R_FREE (name);
return false;
}
if (!(consume_str_r (b, R_MIN (max, name->len),
name->len, (char *)name->name))) {
R_FREE (name);
return false;
}
@ -475,7 +485,7 @@ static bool parse_namemap (RBuffer *b, ut64 max, RIDStorage *map, ut32 *count) {
return true;
}
static void *parse_custom_name_entry (RBuffer *b, ut64 max) {
static void *parse_custom_name_entry(RBuffer *b, ut64 max) {
RBinWasmCustomNameEntry *ptr = NULL;
size_t i;
if (!(ptr = R_NEW0 (RBinWasmCustomNameEntry))) {
@ -499,11 +509,11 @@ static void *parse_custom_name_entry (RBuffer *b, ut64 max) {
if (!(consume_u32_r (b, max, &ptr->mod_name->len))) {
goto beach;
}
if (!(consume_str_r (b, max, ptr->mod_name->len, (char *)ptr->mod_name->name))) {
ptr->mod_name->name = malloc (ptr->mod_name->len + 1);
if (!(consume_str_r (b, R_MIN (max, ptr->mod_name->len),
ptr->mod_name->len, (char *)ptr->mod_name->name))) {
goto beach;
}
ptr->mod_name->name[ptr->mod_name->len] = 0;
break;
case R_BIN_WASM_NAMETYPE_Function:
@ -579,7 +589,7 @@ beach:
return NULL;
}
static void *parse_memory_entry (RBuffer *b, ut64 max) {
static void *parse_memory_entry(RBuffer *b, ut64 max) {
RBinWasmMemoryEntry *ptr = R_NEW0 (RBinWasmMemoryEntry);
if (!ptr) {
return NULL;
@ -594,7 +604,7 @@ beach:
return NULL;
}
static void *parse_table_entry (RBuffer *b, ut64 max) {
static void *parse_table_entry(RBuffer *b, ut64 max) {
RBinWasmTableEntry *ptr = R_NEW0 (RBinWasmTableEntry);
if (!ptr) {
return NULL;
@ -612,7 +622,7 @@ beach:
return NULL;
}
static void *parse_global_entry (RBuffer *b, ut64 max) {
static void *parse_global_entry(RBuffer *b, ut64 max) {
RBinWasmGlobalEntry *ptr = R_NEW0 (RBinWasmGlobalEntry);
if (!ptr) {
return NULL;
@ -633,7 +643,7 @@ beach:
return NULL;
}
static void *parse_element_entry (RBuffer *b, ut64 max) {
static void *parse_element_entry(RBuffer *b, ut64 max) {
RBinWasmElementEntry *ptr = R_NEW0 (RBinWasmElementEntry);
if (!ptr) {
return NULL;
@ -661,27 +671,27 @@ beach:
return NULL;
}
static RList *r_bin_wasm_get_type_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_type_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_type_entry, (RListFree)r_bin_wasm_free_types);
}
static RList *r_bin_wasm_get_import_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_import_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_import_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_export_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_export_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_export_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_code_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_code_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_code_entry, (RListFree)r_bin_wasm_free_codes);
}
static RList *r_bin_wasm_get_data_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_data_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_data_entry, (RListFree)free);
}
static RBinWasmStartEntry *r_bin_wasm_get_start (RBinWasmObj *bin, RBinWasmSection *sec) {
static RBinWasmStartEntry *r_bin_wasm_get_start(RBinWasmObj *bin, RBinWasmSection *sec) {
RBinWasmStartEntry *ptr;
if (!(ptr = R_NEW0 (RBinWasmStartEntry))) {
@ -699,28 +709,28 @@ static RBinWasmStartEntry *r_bin_wasm_get_start (RBinWasmObj *bin, RBinWasmSecti
}
return ptr;
beach:
eprintf ("[wasm] error: beach start\n");
eprintf ("[wasm] header parsing error.\n");
free (ptr);
return NULL;
}
static RList *r_bin_wasm_get_memory_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_memory_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_memory_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_table_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_table_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_table_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_global_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_global_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_global_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_element_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_element_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
return get_entries_from_section (bin, sec, parse_element_entry, (RListFree)free);
}
static RList *r_bin_wasm_get_custom_name_entries (RBinWasmObj *bin, RBinWasmSection *sec) {
static RList *r_bin_wasm_get_custom_name_entries(RBinWasmObj *bin, RBinWasmSection *sec) {
RList *ret = r_list_new ();
RBuffer *buf = bin->buf;
@ -751,7 +761,7 @@ beach:
}
// Public functions
RBinWasmObj *r_bin_wasm_init (RBinFile *bf, RBuffer *buf) {
RBinWasmObj *r_bin_wasm_init(RBinFile *bf, RBuffer *buf) {
RBinWasmObj *bin = R_NEW0 (RBinWasmObj);
if (!bin) {
return NULL;
@ -779,7 +789,7 @@ RBinWasmObj *r_bin_wasm_init (RBinFile *bf, RBuffer *buf) {
return bin;
}
void r_bin_wasm_destroy (RBinFile *bf) {
void r_bin_wasm_destroy(RBinFile *bf) {
RBinWasmObj *bin;
if (!bf || !bf->o || !bf->o->bin_obj) {
@ -805,9 +815,7 @@ void r_bin_wasm_destroy (RBinFile *bf) {
r_list_foreach (bin->g_names, iter, nam) {
switch (nam->type) {
case R_BIN_WASM_NAMETYPE_Module:
if (nam->mod_name) {
free (nam->mod_name);
}
R_FREE (nam->mod_name);
break;
case R_BIN_WASM_NAMETYPE_Function:
if (nam->func) {
@ -836,7 +844,7 @@ void r_bin_wasm_destroy (RBinFile *bf) {
bf->o->bin_obj = NULL;
}
RList *r_bin_wasm_get_sections (RBinWasmObj *bin) {
RList *r_bin_wasm_get_sections(RBinWasmObj *bin) {
RList *ret = NULL;
RBinWasmSection *ptr = NULL;
@ -879,64 +887,65 @@ RList *r_bin_wasm_get_sections (RBinWasmObj *bin) {
if (!(consume_u32_r (b, max, &ptr->name_len))) {
goto beach;
}
if (consume_str_r (b, max, ptr->name_len, (char *)ptr->name) < ptr->name_len) {
ptr->name = malloc (ptr->name_len + 1);
if (consume_str_r (b, R_MIN (ptr->name_len, max),
ptr->name_len, (char *)ptr->name) < ptr->name_len) {
goto beach;
}
// eprintf("name: %s\n", ptr->name);
break;
case R_BIN_WASM_SECTION_TYPE:
// eprintf("section type: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "type");
ptr->name = strdup ("type");
ptr->name_len = 4;
break;
case R_BIN_WASM_SECTION_IMPORT:
// eprintf("section import: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "import");
ptr->name = strdup ("import");
ptr->name_len = 6;
break;
case R_BIN_WASM_SECTION_FUNCTION:
// eprintf("section function: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "function");
ptr->name = strdup ("function");
ptr->name_len = 8;
break;
case R_BIN_WASM_SECTION_TABLE:
// eprintf("section table: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "table");
ptr->name = strdup ("table");
ptr->name_len = 5;
break;
case R_BIN_WASM_SECTION_MEMORY:
// eprintf("section memory: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "memory");
ptr->name = strdup ("memory");
ptr->name_len = 6;
break;
case R_BIN_WASM_SECTION_GLOBAL:
// eprintf("section global: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "global");
ptr->name = strdup ("global");
ptr->name_len = 6;
break;
case R_BIN_WASM_SECTION_EXPORT:
// eprintf("section export: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "export");
ptr->name = strdup ("export");
ptr->name_len = 6;
break;
case R_BIN_WASM_SECTION_START:
// eprintf("section start: 0x%x\n", (ut32)b->cur);
strcpy (ptr->name, "start");
ptr->name = strdup ("start");
ptr->name_len = 5;
break;
case R_BIN_WASM_SECTION_ELEMENT:
// eprintf("section element: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "element");
ptr->name = strdup ("element");
ptr->name_len = 7;
break;
case R_BIN_WASM_SECTION_CODE:
// eprintf("section code: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "code");
ptr->name = strdup ("code");
ptr->name_len = 4;
break;
case R_BIN_WASM_SECTION_DATA:
// eprintf("section data: 0x%x, ", (ut32)b->cur);
strcpy (ptr->name, "data");
ptr->name = strdup ("data");
ptr->name_len = 4;
break;
default:
@ -970,7 +979,7 @@ beach:
return ret;
}
ut32 r_bin_wasm_get_entrypoint (RBinWasmObj *bin) {
ut32 r_bin_wasm_get_entrypoint(RBinWasmObj *bin) {
RList *secs = NULL;
RBinWasmStartEntry *start = NULL;
RBinWasmSection *sec = NULL;
@ -1007,7 +1016,7 @@ ut32 r_bin_wasm_get_entrypoint (RBinWasmObj *bin) {
return (ut32) (func ? func->code : 0);
}
RList *r_bin_wasm_get_imports (RBinWasmObj *bin) {
RList *r_bin_wasm_get_imports(RBinWasmObj *bin) {
RBinWasmSection *import = NULL;
RList *imports = NULL;
@ -1030,11 +1039,12 @@ RList *r_bin_wasm_get_imports (RBinWasmObj *bin) {
return bin->g_imports;
}
RList *r_bin_wasm_get_exports (RBinWasmObj *bin) {
RList *r_bin_wasm_get_exports(RBinWasmObj *bin) {
r_return_val_if_fail (bin, NULL);
RBinWasmSection *export = NULL;
RList *exports = NULL;
if (!bin || !bin->g_sections) {
if (!bin->g_sections) {
return NULL;
}
if (bin->g_exports) {
@ -1053,7 +1063,7 @@ RList *r_bin_wasm_get_exports (RBinWasmObj *bin) {
return bin->g_exports;
}
RList *r_bin_wasm_get_types (RBinWasmObj *bin) {
RList *r_bin_wasm_get_types(RBinWasmObj *bin) {
RBinWasmSection *type = NULL;
RList *types = NULL;
@ -1076,7 +1086,7 @@ RList *r_bin_wasm_get_types (RBinWasmObj *bin) {
return bin->g_types;
}
RList *r_bin_wasm_get_tables (RBinWasmObj *bin) {
RList *r_bin_wasm_get_tables(RBinWasmObj *bin) {
RBinWasmSection *table = NULL;
RList *tables = NULL;
@ -1099,7 +1109,7 @@ RList *r_bin_wasm_get_tables (RBinWasmObj *bin) {
return bin->g_tables;
}
RList *r_bin_wasm_get_memories (RBinWasmObj *bin) {
RList *r_bin_wasm_get_memories(RBinWasmObj *bin) {
RBinWasmSection *memory;
RList *memories;
@ -1126,7 +1136,7 @@ RList *r_bin_wasm_get_memories (RBinWasmObj *bin) {
return bin->g_memories;
}
RList *r_bin_wasm_get_globals (RBinWasmObj *bin) {
RList *r_bin_wasm_get_globals(RBinWasmObj *bin) {
RBinWasmSection *global = NULL;
RList *globals = NULL;
@ -1149,7 +1159,7 @@ RList *r_bin_wasm_get_globals (RBinWasmObj *bin) {
return bin->g_globals;
}
RList *r_bin_wasm_get_elements (RBinWasmObj *bin) {
RList *r_bin_wasm_get_elements(RBinWasmObj *bin) {
RBinWasmSection *element = NULL;
RList *elements = NULL;
@ -1172,7 +1182,7 @@ RList *r_bin_wasm_get_elements (RBinWasmObj *bin) {
return bin->g_elements;
}
RList *r_bin_wasm_get_codes (RBinWasmObj *bin) {
RList *r_bin_wasm_get_codes(RBinWasmObj *bin) {
RBinWasmSection *code = NULL;
;
RList *codes = NULL;
@ -1196,7 +1206,7 @@ RList *r_bin_wasm_get_codes (RBinWasmObj *bin) {
return bin->g_codes;
}
RList *r_bin_wasm_get_datas (RBinWasmObj *bin) {
RList *r_bin_wasm_get_datas(RBinWasmObj *bin) {
RBinWasmSection *data = NULL;
RList *datas = NULL;
@ -1219,8 +1229,7 @@ RList *r_bin_wasm_get_datas (RBinWasmObj *bin) {
return bin->g_datas;
}
RList *r_bin_wasm_get_custom_names (RBinWasmObj *bin) {
RBinWasmSection *cust = NULL;
RList *r_bin_wasm_get_custom_names(RBinWasmObj *bin) {
RList *customs = NULL;
r_return_val_if_fail (bin && bin->g_sections, NULL);
@ -1232,7 +1241,12 @@ RList *r_bin_wasm_get_custom_names (RBinWasmObj *bin) {
return r_list_new ();
}
// support for multiple "name" sections against spec
if (!(cust = (RBinWasmSection *)r_list_first (customs)) || strncmp (cust->name, "name", 5)) {
RBinWasmSection *cust = (RBinWasmSection *)r_list_first (customs);
if (!cust || !cust->name) {
r_list_free (customs);
return r_list_new ();
}
if (strcmp (cust->name, "name")) {
r_list_free (customs);
return r_list_new ();
}
@ -1241,7 +1255,7 @@ RList *r_bin_wasm_get_custom_names (RBinWasmObj *bin) {
return bin->g_names;
}
const char *r_bin_wasm_get_function_name (RBinWasmObj *bin, ut32 idx) {
const char *r_bin_wasm_get_function_name(RBinWasmObj *bin, ut32 idx) {
if (!(bin && bin->g_names)) {
return NULL;
};

10
libr/bin/format/wasm/wasm.h
View File

@ -65,16 +65,16 @@ struct r_bin_wasm_resizable_limits_t {
ut32 maximum;
};
struct r_bin_wasm_name_t {
typedef struct r_bin_wasm_name_t {
ut32 len;
ut8 name[R_BIN_WASM_STRING_LENGTH];
};
ut8 *name;
} RBinWasmName;
typedef struct r_bin_wasm_section_t {
ut8 id;
ut32 size;
ut32 name_len;
char name[R_BIN_WASM_STRING_LENGTH];
char *name;
ut32 offset;
ut32 payload_data;
ut32 payload_len;
@ -169,7 +169,7 @@ typedef struct r_bin_wasm_code_t {
ut32 code; // offset
ut32 len; // real bytecode length
ut8 byte; // 0xb, indicating end of the body
char name[R_BIN_WASM_STRING_LENGTH];
char *name;
char *signature;
} RBinWasmCodeEntry;

45
test/db/formats/web_assembly
View File

@ -5,6 +5,51 @@ EXPECT=<<EOF
EOF
RUN
NAME=WASM: Wasm - dotnet open
FILE=bins/wasm/dotnet.wasm
CMDS=<<EOF
i
EOF
EXPECT=<<EOF
fd 3
file bins/wasm/dotnet.wasm
size 0x2ae89a
humansz 2.7M
mode r-x
format wasm
iorw false
block 0x100
type EXEC
arch wasm
baddr 0x0
binsz 2812058
bintype wasm
bits 32
canary false
retguard false
class module
crypto false
endian little
havecode true
laddr 0x0
linenum false
lsyms false
machine wasm
maxopsz 1
minopsz 1
nx false
os WebAssembly
pcalign 1
pic false
relocs false
sanitiz false
static true
stripped false
subsys wasm
va false
EOF
RUN
NAME=WASM: Wasm - detection
FILE=bins/wasm/basic.wasm
CMDS=iI~os