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| author | Haimin Zhang <tcs_kernel@tencent.com> | 2021-09-03 10:37:06 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-22 10:33:09 -0400 |
| commit | eb7511bf9182292ef1df1082d23039e856d1ddfb (patch) | |
| tree | d9bf754f850145f0268049a1b291ab385f0005c8 /arch/x86/pci/Makefile | |
| parent | cd36ae8761775e78154ba6bd7a3bd2ab538c589f (diff) | |
| download | linux-eb7511bf9182292ef1df1082d23039e856d1ddfb.tar.bz2 | |
KVM: x86: Handle SRCU initialization failure during page track init
Check the return of init_srcu_struct(), which can fail due to OOM, when
initializing the page track mechanism. Lack of checking leads to a NULL
pointer deref found by a modified syzkaller.
Reported-by: TCS Robot <tcs_robot@tencent.com>
Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
Message-Id: <1630636626-12262-1-git-send-email-tcs_kernel@tencent.com>
[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/pci/Makefile')
0 files changed, 0 insertions, 0 deletions