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misc/check_fuzzer.c
61 строка
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Theodore Ts'o
Add a program to test images provided by UBSAN fuzzing reports
23 ноя 2019, 07:27
23 ноя 2019, 07:27
bb7a3dc
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/* * Play with a file system image quickly to find UBSAN problems * * Run a file system through some of the libext2fs functions used by * some fuzzer reports. */ #include <stdio.h> #include <string.h> #include <unistd.h> #include <stdlib.h> #include <time.h> #include <sys/types.h> #include <sys/time.h> #include <ext2fs/ext2_fs.h> #include <ext2fs/ext2fs.h> int main (int argc, char *argv[]) { errcode_t retval = 0; ext2_filsys fs; int exit_status = 1; initialize_ext2_error_table(); if (argc != 2) { fprintf(stderr, "%s: Usage <device|filesystem>\n", argv[0]); exit(1); } retval = ext2fs_open(argv[1], 0, 0, 0, unix_io_manager, &fs); if (retval) { com_err(argv[0], retval, "while trying to open '%s'", argv[1]); exit(1); } retval = ext2fs_read_inode_bitmap(fs); if (retval) { com_err(argv[0], retval, "while trying to read inode bitmaps"); goto errout; } retval = ext2fs_read_block_bitmap(fs); if (retval) { com_err(argv[0], retval, "while trying to read inode bitmaps"); goto errout; } retval = ext2fs_check_directory(fs, EXT2_ROOT_INO); if (retval) { com_err(argv[0], retval, "while trying to read inode bitmaps"); goto errout; } exit_status = 0; errout: ext2fs_close(fs); return exit_status; }