cppcheck/cve-test-suite/cve-2018-6836.c

31 lines
673 B
C
Raw Permalink Normal View History

// Bug: free uninitialized pointer
// Fix: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef
2018-10-04 18:07:11 +02:00
void *malloc(unsigned long);
void free(void *);
struct comment {
int *data;
2018-10-04 18:07:11 +02:00
};
struct table {
struct comment *com;
2018-10-04 18:07:11 +02:00
};
void destroy_table(struct table *comment_table)
2018-10-04 18:07:11 +02:00
{
free(comment_table->com->data);
free(comment_table->com);
free(comment_table);
2018-10-04 18:07:11 +02:00
}
void f()
{
struct table *comment_table = (struct table *)malloc(sizeof(struct table));
2018-10-04 18:07:11 +02:00
struct comment *comment_rec = (struct comment *)malloc(sizeof(struct comment));
comment_table->com = comment_rec;
destroy_table(comment_table);
2018-10-04 18:07:11 +02:00
}