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linux/arch/riscv/kvm
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Radim Krčmář 799766208f RISC-V: KVM: fix stack overrun when loading vlenb 
The userspace load can put up to 2048 bits into an xlen bit stack
buffer.  We want only xlen bits, so check the size beforehand.

Fixes: 2fa290372d ("RISC-V: KVM: add 'vlenb' Vector CSR")
Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@ventanamicro.com>
Reviewed-by: Nutty Liu <liujingqi@lanxincomputing.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Link: https://lore.kernel.org/r/20250805104418.196023-4-rkrcmar@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
History 2025-08-25 10:26:20 +05:30
..
aia.c RISC-V: KVM: Move HGEI[E|P] CSR access to IMSIC virtualization 2025-07-11 18:33:27 +05:30
aia_aplic.c RISC-V: KVM: Fix APLIC in_clrip and clripnum write emulation 2024-11-05 13:27:28 +05:30
aia_device.c RISC-V: KVM: Drop the return value of kvm_riscv_vcpu_aia_init() 2025-07-28 22:27:07 +05:30
aia_imsic.c RISC-V: KVM: Factor-out g-stage page table management 2025-07-28 22:27:30 +05:30
gstage.c RISC-V: KVM: Pass VMID as parameter to kvm_riscv_hfence_xyz() APIs 2025-07-28 22:27:32 +05:30
Kconfig RISC-V: KVM: Enable ring-based dirty memory tracking 2025-07-28 22:28:22 +05:30
main.c RISC-V: KVM: Factor-out g-stage page table management 2025-07-28 22:27:30 +05:30
Makefile RISC-V: KVM: Factor-out g-stage page table management 2025-07-28 22:27:30 +05:30
mmu.c RISC-V: KVM: Fix pte settings within kvm_riscv_gstage_ioremap() 2025-08-25 10:26:16 +05:30
nacl.c RISC-V: KVM: Add common nested acceleration support 2024-10-28 16:43:57 +05:30
tlb.c RISC-V: KVM: Pass VMID as parameter to kvm_riscv_hfence_xyz() APIs 2025-07-28 22:27:32 +05:30
trace.h RISCV: KVM: add tracepoints for entry and exit events 2024-06-26 18:37:36 +05:30
vcpu.c RISC-V: KVM: Correct kvm_riscv_check_vcpu_requests() comment 2025-08-25 10:26:17 +05:30
vcpu_exit.c RISC-V: KVM: Factor-out g-stage page table management 2025-07-28 22:27:30 +05:30
vcpu_fp.c riscv: Rearrange hwcap.h and cpufeature.h 2023-11-09 10:15:51 -08:00
vcpu_insn.c KVM: riscv: Support guest wrs.nto 2024-07-12 08:54:51 -07:00
vcpu_onereg.c RISC-V: KVM: Fix inclusion of Smnpm in the guest ISA bitmap 2025-07-28 22:27:45 +05:30
vcpu_pmu.c RISC-V: KVM: Disable the kernel perf counter during configure 2025-03-06 09:57:07 +05:30
vcpu_sbi.c RISC-V: KVM: add SBI extension reset callback 2025-07-23 17:19:44 +05:30
vcpu_sbi_base.c RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions 2023-04-21 17:38:44 +05:30
vcpu_sbi_hsm.c KVM: RISC-V: refactor sbi reset request 2025-05-21 09:34:49 +05:30
vcpu_sbi_pmu.c RISC-V: KVM: Improve firmware counter read function 2024-04-26 13:13:54 +05:30
vcpu_sbi_replace.c RISC-V: KVM: Pass VMID as parameter to kvm_riscv_hfence_xyz() APIs 2025-07-28 22:27:32 +05:30
vcpu_sbi_sta.c RISC-V: KVM: add SBI extension reset callback 2025-07-23 17:19:44 +05:30
vcpu_sbi_system.c KVM: RISC-V: refactor sbi reset request 2025-05-21 09:34:49 +05:30
vcpu_sbi_v01.c RISC-V: KVM: Pass VMID as parameter to kvm_riscv_hfence_xyz() APIs 2025-07-28 22:27:32 +05:30
vcpu_switch.S RISC-V: KVM: Use SBI sync SRET call when available 2024-10-28 16:44:03 +05:30
vcpu_timer.c RISC-V: KVM: Disable vstimecmp before exiting to user-space 2025-07-11 18:30:17 +05:30
vcpu_vector.c RISC-V: KVM: fix stack overrun when loading vlenb 2025-08-25 10:26:20 +05:30
vm.c RISC-V: KVM: Factor-out g-stage page table management 2025-07-28 22:27:30 +05:30
vmid.c RISC-V: KVM: Factor-out MMU related declarations into separate headers 2025-07-28 22:27:23 +05:30