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-rw-r--r--arch/um/os-Linux/skas/process.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 862fea0..8ab2f5c 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -146,6 +146,9 @@ static void handle_trap(int pid, struct uml_pt_regs *regs,
{
int err, status;
+ if ((UPT_IP(regs) >= STUB_START) && (UPT_IP(regs) < STUB_END))
+ fatal_sigsegv();
+
/* Mark this as a syscall */
UPT_SYSCALL_NR(regs) = PT_SYSCALL_NR(regs->gp);
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