CVE-2024-47735

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled<br /> <br /> Fix missuse of spin_lock_irq()/spin_unlock_irq() when<br /> spin_lock_irqsave()/spin_lock_irqrestore() was hold.<br /> <br /> This was discovered through the lock debugging, and the corresponding<br /> log is as follows:<br /> <br /> raw_local_irq_restore() called with IRQs enabled<br /> WARNING: CPU: 96 PID: 2074 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40<br /> ...<br /> Call trace:<br /> warn_bogus_irq_restore+0x30/0x40<br /> _raw_spin_unlock_irqrestore+0x84/0xc8<br /> add_qp_to_list+0x11c/0x148 [hns_roce_hw_v2]<br /> hns_roce_create_qp_common.constprop.0+0x240/0x780 [hns_roce_hw_v2]<br /> hns_roce_create_qp+0x98/0x160 [hns_roce_hw_v2]<br /> create_qp+0x138/0x258<br /> ib_create_qp_kernel+0x50/0xe8<br /> create_mad_qp+0xa8/0x128<br /> ib_mad_port_open+0x218/0x448<br /> ib_mad_init_device+0x70/0x1f8<br /> add_client_context+0xfc/0x220<br /> enable_device_and_get+0xd0/0x140<br /> ib_register_device.part.0+0xf4/0x1c8<br /> ib_register_device+0x34/0x50<br /> hns_roce_register_device+0x174/0x3d0 [hns_roce_hw_v2]<br /> hns_roce_init+0xfc/0x2c0 [hns_roce_hw_v2]<br /> __hns_roce_hw_v2_init_instance+0x7c/0x1d0 [hns_roce_hw_v2]<br /> hns_roce_hw_v2_init_instance+0x9c/0x180 [hns_roce_hw_v2]