In the erofs.mkfs utility, if the source path is not a directory,image creation should not proceed.since root of the filesystem needs to be a directory.
moving the check to main function. Signed-off-by: Pratik Shinde <[email protected]> --- mkfs/main.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/mkfs/main.c b/mkfs/main.c index 93cacca..8fbfced 100644 --- a/mkfs/main.c +++ b/mkfs/main.c @@ -12,6 +12,7 @@ #include <stdlib.h> #include <limits.h> #include <libgen.h> +#include <sys/stat.h> #include "erofs/config.h" #include "erofs/print.h" #include "erofs/cache.h" @@ -187,6 +188,7 @@ int main(int argc, char **argv) struct erofs_buffer_head *sb_bh; struct erofs_inode *root_inode; erofs_nid_t root_nid; + struct stat64 st; erofs_init_configure(); fprintf(stderr, "%s %s\n", basename(argv[0]), cfg.c_version); @@ -197,6 +199,15 @@ int main(int argc, char **argv) usage(); return 1; } + err = lstat64(cfg.c_src_path, &st); + if (err) + return 1; + if ((st.st_mode & S_IFMT) != S_IFDIR) { + erofs_err("root of the filesystem is not a directory - %s", + cfg.c_src_path); + usage(); + return 1; + } err = dev_open(cfg.c_img_path); if (err) { -- 2.9.3
