thread.vm86 points to per-task information -- the pointer should not be copied on clone.
Fixes: d4ce0f26c790 ("x86/vm86: Move fields from 'struct kernel_vm86_struct' to 'struct vm86'") Signed-off-by: Andy Lutomirski <l...@kernel.org> --- arch/x86/kernel/process.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 2199d9b774c8..b9ac5434e176 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -83,6 +83,9 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister); int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { memcpy(dst, src, arch_task_struct_size); +#ifdef CONFIG_VM86 + dst->thread.vm86 = NULL; +#endif return fpu__copy(&dst->thread.fpu, &src->thread.fpu); } -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/