um: don't leak floating point state and segment registers on execve()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 4cab0c78684b4035af6a0955a68f86a36f80195c..8c82786da823df2cdf53ad9361b9b950d85018c7 100644 (file)
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -39,6 +39,7 @@ void flush_thread(void)
 
 void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
 {
+       get_safe_registers(regs->regs.gp, regs->regs.fp);
        PT_REGS_IP(regs) = eip;
        PT_REGS_SP(regs) = esp;
        current->ptrace &= ~PT_DTRACE;