Stream: git-wasmtime

Topic: wasmtime / issue #4497 __wasi_fd_filestat_get has an erro...

view this post on Zulip Wasmtime GitHub notifications bot (Jul 21 2022 at 13:58):

abc767234318 labeled issue #4497:

Test Case

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <wasi/api.h>

int main(int argc, char **argv) {

        __wasi_fdstat_t statbuf;
        printf("__wasi_fd_fdstat_get for stdout: %d\n", __wasi_fd_fdstat_get(fileno(stdout), &statbuf));
        printf("rights for stdout: %llu\n", statbuf.fs_rights_base);
        printf("type for stdout: %d\n", statbuf.fs_filetype);
        printf("has filestat_get rights for stdout: %s\n", (statbuf.fs_rights_base & __WASI_RIGHTS_FD_FILESTAT_GET) != 0 ? "yes" : "no");

        __wasi_filestat_t filestat;
        int filestat_res = __wasi_fd_filestat_get(fileno(stdout), &filestat);
        printf("__wasi_fd_filestat_get for stdout: %d\n", filestat_res);
        if (filestat_res != 0) {
                printf("  E: __wasi_fd_filestat_get returned error: %d\n", filestat_res);
        }

        struct stat sb;
        int f = fstat(fileno(stdout), &sb);
        printf("fstat for stdout (fd: %d): %d\n", fileno(stdout), f);

        if (f < 0) {
                perror("  E: fstat returned error");
        }

        return 0;
}

This is a source code first mentioned in #2515
fstat.wasm.zip

Steps to Reproduce

wasmtime fstat.wasm

Expected Results

Program execution without error

Actual Results

__wasi_fd_fdstat_get for stdout: 0
rights for stdout: 148898267
type for stdout: 2
has filestat_get rights for stdout: yes
Error: failed to run main module `fstat.wasm`

Caused by:
    0: failed to invoke command default
    1: Unknown OS error

       Caused by:
           函数不正确。(Incorrect function) (os error 1)
       wasm backtrace:
           0: 0x2b5f - <unknown>!__wasi_fd_filestat_get
           1:  0x3cb - <unknown>!main
           2: 0x2aa8 - <unknown>!__main_void
           3:  0x202 - <unknown>!_start
           4: 0x6694 - <unknown>!_start.command_export

Versions and Environment

Wasmtime version or commit: wasmtime-cli 0.39.0

Operating system: windows

view this post on Zulip Wasmtime GitHub notifications bot (Jul 21 2022 at 13:58):

abc767234318 opened issue #4497:

Test Case

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <wasi/api.h>

int main(int argc, char **argv) {

        __wasi_fdstat_t statbuf;
        printf("__wasi_fd_fdstat_get for stdout: %d\n", __wasi_fd_fdstat_get(fileno(stdout), &statbuf));
        printf("rights for stdout: %llu\n", statbuf.fs_rights_base);
        printf("type for stdout: %d\n", statbuf.fs_filetype);
        printf("has filestat_get rights for stdout: %s\n", (statbuf.fs_rights_base & __WASI_RIGHTS_FD_FILESTAT_GET) != 0 ? "yes" : "no");

        __wasi_filestat_t filestat;
        int filestat_res = __wasi_fd_filestat_get(fileno(stdout), &filestat);
        printf("__wasi_fd_filestat_get for stdout: %d\n", filestat_res);
        if (filestat_res != 0) {
                printf("  E: __wasi_fd_filestat_get returned error: %d\n", filestat_res);
        }

        struct stat sb;
        int f = fstat(fileno(stdout), &sb);
        printf("fstat for stdout (fd: %d): %d\n", fileno(stdout), f);

        if (f < 0) {
                perror("  E: fstat returned error");
        }

        return 0;
}

This is a source code first mentioned in #2515
fstat.wasm.zip

Steps to Reproduce

wasmtime fstat.wasm

Expected Results

Program execution without error

Actual Results

__wasi_fd_fdstat_get for stdout: 0
rights for stdout: 148898267
type for stdout: 2
has filestat_get rights for stdout: yes
Error: failed to run main module `fstat.wasm`

Caused by:
    0: failed to invoke command default
    1: Unknown OS error

       Caused by:
           函数不正确。(Incorrect function) (os error 1)
       wasm backtrace:
           0: 0x2b5f - <unknown>!__wasi_fd_filestat_get
           1:  0x3cb - <unknown>!main
           2: 0x2aa8 - <unknown>!__main_void
           3:  0x202 - <unknown>!_start
           4: 0x6694 - <unknown>!_start.command_export

Versions and Environment

Wasmtime version or commit: wasmtime-cli 0.39.0

Operating system: windows

view this post on Zulip Wasmtime GitHub notifications bot (Jul 26 2022 at 15:54):

sunfishcode commented on issue #4497:

Thanks for the report! I've now filed #4531 with a fix.

view this post on Zulip Wasmtime GitHub notifications bot (Jul 26 2022 at 22:53):

sunfishcode closed issue #4497:

Test Case

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <wasi/api.h>

int main(int argc, char **argv) {

        __wasi_fdstat_t statbuf;
        printf("__wasi_fd_fdstat_get for stdout: %d\n", __wasi_fd_fdstat_get(fileno(stdout), &statbuf));
        printf("rights for stdout: %llu\n", statbuf.fs_rights_base);
        printf("type for stdout: %d\n", statbuf.fs_filetype);
        printf("has filestat_get rights for stdout: %s\n", (statbuf.fs_rights_base & __WASI_RIGHTS_FD_FILESTAT_GET) != 0 ? "yes" : "no");

        __wasi_filestat_t filestat;
        int filestat_res = __wasi_fd_filestat_get(fileno(stdout), &filestat);
        printf("__wasi_fd_filestat_get for stdout: %d\n", filestat_res);
        if (filestat_res != 0) {
                printf("  E: __wasi_fd_filestat_get returned error: %d\n", filestat_res);
        }

        struct stat sb;
        int f = fstat(fileno(stdout), &sb);
        printf("fstat for stdout (fd: %d): %d\n", fileno(stdout), f);

        if (f < 0) {
                perror("  E: fstat returned error");
        }

        return 0;
}

This is a source code first mentioned in #2515
fstat.wasm.zip

Steps to Reproduce

wasmtime fstat.wasm

Expected Results

Program execution without error

Actual Results

__wasi_fd_fdstat_get for stdout: 0
rights for stdout: 148898267
type for stdout: 2
has filestat_get rights for stdout: yes
Error: failed to run main module `fstat.wasm`

Caused by:
    0: failed to invoke command default
    1: Unknown OS error

       Caused by:
           函数不正确。(Incorrect function) (os error 1)
       wasm backtrace:
           0: 0x2b5f - <unknown>!__wasi_fd_filestat_get
           1:  0x3cb - <unknown>!main
           2: 0x2aa8 - <unknown>!__main_void
           3:  0x202 - <unknown>!_start
           4: 0x6694 - <unknown>!_start.command_export

Versions and Environment

Wasmtime version or commit: wasmtime-cli 0.39.0

Operating system: windows

Last updated: Dec 23 2024 at 12:05 UTC