https://bugs.dpdk.org/show_bug.cgi?id=1276
Bug ID: 1276
Summary: platform bus use after free
Product: DPDK
Version: 23.07
Hardware: ARM
OS: Linux
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: 869119...@qq.com
Target Milestone: ---
After I register a platform driver, a segment fault occurs when the program
call rte_eal_cleanup.
The code that causes this problem is at drivers/bus/platform/platform.c:615, as
follows:
static int
platform_bus_cleanup(void)
{
struct rte_platform_device *pdev, *tmp;
RTE_TAILQ_FOREACH_SAFE(pdev, &platform_bus.device_list, next, tmp) {
platform_bus_unplug(&pdev->device);
TAILQ_REMOVE(&platform_bus.device_list, pdev, next);
}
return 0;
}
To fix this, modify it as follows:
static int
platform_bus_cleanup(void)
{
struct rte_platform_device *pdev, *tmp;
RTE_TAILQ_FOREACH_SAFE(pdev, &platform_bus.device_list, next, tmp) {
TAILQ_REMOVE(&platform_bus.device_list, pdev, next);
platform_bus_unplug(&pdev->device);
}
return 0;
}
I'm lazy, that's all.
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