Fix potential NULL-pointer derefence in trace/preload.c similar to how
it was fixed in jail/preload.c by commit
b824a89
("jail: preload: avoid NULL-dereference in case things go wrong").
Coverity CID:
1446096 Dereference after null check
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
start_main_t __start_main__;
__start_main__ = dlsym(RTLD_NEXT, "__libc_start_main");
- if (!__start_main__)
+ if (!__start_main__) {
ERROR("failed to find __libc_start_main %s\n", dlerror());
-
+ return -1;
+ }
__main__ = main;
return (*__start_main__)(__preload_main__, argc, argv, auxvec,
uClibc_main __start_main__;
__start_main__ = dlsym(RTLD_NEXT, "__uClibc_main");
- if (!__start_main__)
+ if (!__start_main__) {
ERROR("failed to find __uClibc_main %s\n", dlerror());
+ return;
+ }
__main__ = main;