diff options
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r-- | arch/x86/kernel/process.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 5452237fabd4..91f6ff618852 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -93,7 +93,12 @@ EXPORT_PER_CPU_SYMBOL_GPL(__tss_limit_invalid); */ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { - memcpy(dst, src, arch_task_struct_size); + /* init_task is not dynamically sized (incomplete FPU state) */ + if (unlikely(src == &init_task)) + memcpy_and_pad(dst, arch_task_struct_size, src, sizeof(init_task), 0); + else + memcpy(dst, src, arch_task_struct_size); + #ifdef CONFIG_VM86 dst->thread.vm86 = NULL; #endif |