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-rw-r--r--arch/um/os-Linux/skas/process.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index ed4bbffe8d7a..d910e25c273e 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -300,6 +300,7 @@ static int userspace_tramp(void *stack)
}
int userspace_pid[NR_CPUS];
+int kill_userspace_mm[NR_CPUS];
/**
* start_userspace() - prepare a new userspace process
@@ -393,6 +394,8 @@ void userspace(struct uml_pt_regs *regs, unsigned long *aux_fp_regs)
interrupt_end();
while (1) {
+ if (kill_userspace_mm[0])
+ fatal_sigsegv();
/*
* This can legitimately fail if the process loads a
@@ -714,4 +717,5 @@ void reboot_skas(void)
void __switch_mm(struct mm_id *mm_idp)
{
userspace_pid[0] = mm_idp->u.pid;
+ kill_userspace_mm[0] = mm_idp->kill;
}