mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-28 15:47:16 -04:00
Code Issues Packages Projects Releases Wiki Activity

LoongArch: KVM: Check the return values for put_user()

Browse Source 
put_user() may return -EFAULT, so, when the user space address is
invalid, the caller should return -EFAULT.

Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Qiang Ma
2026-06-11 20:46:43 +08:00
committed by Huacai Chen
parent 83551ccedf
commit fb89e0fe2d
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/loongarch/kvm/vcpu.c
View File

@@ -1106,7 +1106,8 @@ static int kvm_loongarch_cpucfg_get_attr(struct kvm_vcpu *vcpu,
return -ENXIO;
}
put_user(val, uaddr);
if (put_user(val, uaddr))
return -EFAULT;
return ret;
}