CVE-2022-50298

In the Linux kernel, the following vulnerability has been resolved:

slimbus: qcom-ngd: cleanup in probe error path

Add proper error path in probe() to cleanup resources previously acquired/allocated to fix warnings visible during probe deferral:

notifier callback qcom_slim_ngd_ssr_notify already registered WARNING: CPU: 6 PID: 70 at kernel/notifier.c:28 notifier_chain_register+0x5c/0x90 Modules linked in: CPU: 6 PID: 70 Comm: kworker/u16:1 Not tainted 6.0.0-rc3-next-20220830 #380 Call trace: notifier_chain_register+0x5c/0x90 srcu_notifier_chain_register+0x44/0x90 qcom_register_ssr_notifier+0x38/0x4c qcom_slim_ngd_ctrl_probe+0xd8/0x400 platform_probe+0x6c/0xe0 really_probe+0xbc/0x2d4 __driver_probe_device+0x78/0xe0 driver_probe_device+0x3c/0x12c __device_attach_driver+0xb8/0x120 bus_for_each_drv+0x78/0xd0 __device_attach+0xa8/0x1c0 device_initial_probe+0x18/0x24 bus_probe_device+0xa0/0xac deferred_probe_work_func+0x88/0xc0 process_one_work+0x1d4/0x320 worker_thread+0x2cc/0x44c kthread+0x110/0x114 ret_from_fork+0x10/0x20

Affected Software

References

• https://git.kernel.org/stable/c/0c76110a3129c8d56d8fb7b6270dcc0c5c2f1a41
• https://git.kernel.org/stable/c/16f14551d0df9e7cd283545d7d748829594d912f
• https://git.kernel.org/stable/c/1d567179f27788925dc90fe5e905cdabfce7d190
• https://git.kernel.org/stable/c/ef5c42e6eb29a86abbcd4b2fd427e5194e51053c