x86, irq: Plug memory leak in sparse irq
free_irq_cfg() is not freeing the cpumask_vars in irq_cfg. Fixing this triggers a use after free caused by the fact that copying struct irq_cfg is done with memcpy, which copies the pointer not the cpumask. Fix both places. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Yinghai Lu <yhlu.kernel@gmail.com> LKML-Reference: <alpine.LFD.2.00.1009282052570.2416@localhost6.localdomain6> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
Showing
想要评论请 注册 或 登录