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Date: Wed, 26 Jan 2022 20:07:33 +0000 From: Sean Christopherson <seanjc@...gle.com> To: syzbot <syzbot+ead0473557070d5432cd@...kaller.appspotmail.com> Cc: bp@...en8.de, dave.hansen@...ux.intel.com, hpa@...or.com, jarkko@...nel.org, jmattson@...gle.com, joro@...tes.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-sgx@...r.kernel.org, mingo@...hat.com, pbonzini@...hat.com, syzkaller-bugs@...glegroups.com, tglx@...utronix.de, vkuznets@...hat.com, wanpengli@...cent.com, x86@...nel.org Subject: Re: [syzbot] memory leak in kvm_vcpu_ioctl_set_cpuid2 On Wed, Jan 26, 2022, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 0809edbae347 Merge tag 'devicetree-fixes-for-5.17-1' of gi.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=17982967b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=cc8d6c95ce1d56de > dashboard link: https://syzkaller.appspot.com/bug?extid=ead0473557070d5432cd > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1402f91fb00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ba591fb00000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+ead0473557070d5432cd@...kaller.appspotmail.com #syz fix: KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
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