On Tue, Oct 24, 2017 at 09:13:28AM -0700, Stefan Beller wrote: > On Tue, Oct 24, 2017 at 8:15 AM, Andrey Okoshkin <a.okosh...@samsung.com> > wrote: > > Add usage of xmalloc() instead of malloc() in add_to_trie() as xmalloc wraps > > and checks memory allocation result. > > > > Signed-off-by: Andrey Okoshkin <a.okosh...@samsung.com> > > --- > > Hello, > > I'm not sure but it looks like there is a missing check of the malloc > > result. > > memcpy() may crash with SIGSEGV due to the memory allocation failure. > > make_trie_node() uses xmalloc() and xcalloc() - so I believe add_to_trie() > > also should use it. > > Good catch! Thanks for spotting. > > Trying to find similar occurrences via git grep "= malloc" did not > yield other places that need the same fix.
Don't forget realloc and calloc (though I don't think there are any cases that need touching there; just a hint for anybody doing auditing). -Peff
