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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
mariux64 · Sep 20, 2012 · 344569a · 344569a
1 parent ab286b2
commit 344569a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;