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Re: [PATCH] KVM: release anon file in failure path of vm creation

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH] KVM: release anon file in failure path of vm creation
Date 2016-07-12 12:30 +0200
Message-ID <rU36W-3AD-11@gated-at.bofh.it> (permalink)
References <rU2kx-32M-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 12/07/2016 11:38, Liu Shuo wrote:
> The failure of create debugfs of VM will return directly without release
> the anon file. It will leak memory and file descriptors, even through
> be not serious.
> 
> Signed-off-by: Liu Shuo <shuo.a.liu@intel.com>
> ---
>  virt/kvm/kvm_main.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 48bd520..8322154 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -49,6 +49,7 @@
>  #include <linux/slab.h>
>  #include <linux/sort.h>
>  #include <linux/bsearch.h>
> +#include <linux/syscalls.h>
>  
>  #include <asm/processor.h>
>  #include <asm/io.h>
> @@ -3067,6 +3068,7 @@ static int kvm_dev_ioctl_create_vm(unsigned long type)
>  
>  	if (kvm_create_vm_debugfs(kvm, r) < 0) {
>  		kvm_put_kvm(kvm);
> +		sys_close(r);
>  		return -ENOMEM;
>  	}
>  
> 

Thanks, applied to kvm/master.

Paolo

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Thread

[PATCH] KVM: release anon file in failure path of vm creation Liu Shuo <shuo.a.liu@intel.com> - 2016-07-12 11:40 +0200
  Re: [PATCH] KVM: release anon file in failure path of vm creation Paolo Bonzini <pbonzini@redhat.com> - 2016-07-12 12:30 +0200
    Re: [PATCH] KVM: release anon file in failure path of vm creation Al Viro <viro@ZenIV.linux.org.uk> - 2016-07-14 18:50 +0200
      Re: [PATCH] KVM: release anon file in failure path of vm creation Paolo Bonzini <pbonzini@redhat.com> - 2016-07-14 19:00 +0200
      Re: [PATCH] KVM: release anon file in failure path of vm creation Al Viro <viro@ZenIV.linux.org.uk> - 2016-07-15 04:30 +0200
        Re: [PATCH] KVM: release anon file in failure path of vm creation Liu Shuo <shuo.a.liu@intel.com> - 2016-07-15 05:20 +0200
          Re: [PATCH] KVM: release anon file in failure path of vm creation Al Viro <viro@ZenIV.linux.org.uk> - 2016-07-15 07:20 +0200
            Re: [PATCH] KVM: release anon file in failure path of vm creation Liu Shuo <shuo.a.liu@intel.com> - 2016-07-15 09:10 +0200
      Re: [PATCH] KVM: release anon file in failure path of vm creation Liu Shuo <shuo.a.liu@intel.com> - 2016-07-15 04:30 +0200

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