diff options
| -rw-r--r-- | elf/dl-load.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index fad456f..e4f85a9 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -35,6 +35,7 @@ #include <abi-tag.h> #include <dl-osinfo.h> #include <stackinfo.h> +#include <caller.h> #include <dl-dst.h> @@ -1293,7 +1294,10 @@ cannot allocate TLS data structures for initial thread"); size_t s = (uintptr_t) &__stack_prot - p + sizeof (int); __mprotect ((void *) p, s, PROT_READ|PROT_WRITE); - __stack_prot |= PROT_EXEC; + if (__builtin_expect (__check_caller (RETURN_ADDRESS (0), + allow_ldso|allow_libc) == 0, + 0)) + __stack_prot |= PROT_EXEC; __mprotect ((void *) p, s, PROT_READ); } else |