diff options
Diffstat (limited to 'arch/um/os-Linux/main.c')
| -rw-r--r-- | arch/um/os-Linux/main.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index cf1179ed1aec..8a52c49c5361 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -11,6 +11,7 @@ #include <signal.h> #include <string.h> #include <sys/resource.h> +#include <sys/personality.h> #include <as-layout.h> #include <init.h> #include <kern_util.h> @@ -108,6 +109,12 @@ int __init main(int argc, char **argv, char **envp) char **new_argv; int ret, i, err; + /* Disable randomization and re-exec if it was changed successfully */ + ret = personality(PER_LINUX | ADDR_NO_RANDOMIZE); + if (ret >= 0 && (ret & (PER_LINUX | ADDR_NO_RANDOMIZE)) != + (PER_LINUX | ADDR_NO_RANDOMIZE)) + execve("/proc/self/exe", argv, envp); + set_stklim(); setup_env_path(); @@ -140,7 +147,7 @@ int __init main(int argc, char **argv, char **envp) #endif change_sig(SIGPIPE, 0); - ret = linux_main(argc, argv); + ret = linux_main(argc, argv, envp); /* * Disable SIGPROF - I have no idea why libc doesn't do this or turn |