Verified Commit ee2a94b4 authored by Marc Vef's avatar Marc Vef
Browse files

lseek() fix: Do not allow negative offsets for whence `SEEK_SET`

parent e0099267

src/client/gkfs_functions.cpp

+4 −0
Original line number Diff line number Diff line
@@ -418,6 +418,10 @@ off_t gkfs_lseek(unsigned int fd, off_t offset, unsigned int whence) { 
off_t gkfs_lseek(shared_ptr<gkfs::filemap::OpenFile> gkfs_fd, off_t offset, unsigned int whence) {

    switch (whence) {

        case SEEK_SET:

            if (offset < 0) {

                errno = EINVAL;

                return -1;

            }

            gkfs_fd->pos(offset);

            break;

        case SEEK_CUR: