Unverified Commit fbcd4a30 authored Mar 02, 2024 by openeuler-ci-bot Committed by Gitee Mar 02, 2024

!4845 PCI: Avoid potential out-of-bounds read in pci_dev_for_each_resource()

Merge Pull Request from: @ci-robot 
 
PR sync from: Jialin Zhang <zhangjialin11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/DJXVFTA7OF24QL3WBLS5OBPZDOS3WIXG/ 
 
https://gitee.com/src-openeuler/kernel/issues/I93L7H 
 
Link:https://gitee.com/openeuler/kernel/pulls/4845

 

Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parents 236cb940 aa5f1199

include/linux/pci.h

+6 −6

Original line number	Diff line number	Diff line
		@@ -2143,12 +2143,12 @@ int pci_iobar_pfn(struct pci_dev pdev, int bar, struct vm_area_struct vma);

		#define __pci_dev_for_each_res0(dev, res, ...) \
		for (unsigned int __b = 0; \
		res = pci_resource_n(dev, __b), __b < PCI_NUM_RESOURCES; \
		__b < PCI_NUM_RESOURCES && (res = pci_resource_n(dev, __b)); \
		__b++)

		#define __pci_dev_for_each_res1(dev, res, __b) \
		for (__b = 0; \
		res = pci_resource_n(dev, __b), __b < PCI_NUM_RESOURCES; \
		__b < PCI_NUM_RESOURCES && (res = pci_resource_n(dev, __b)); \
		__b++)

		#define pci_dev_for_each_resource(dev, res, ...) \