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AJvYcCUlW2M532Tv+6GUeX2QduB6luY0lHASXlQl3sSbicyrK44C3PC8HcFvrsoefruliCyck8PnMWQpgygRvH8=@vger.kernel.org X-Gm-Message-State: AOJu0YxjhD7VQ1Ey6UZ6CiqyS3LSJsYYsoRS2ugr2pMkWrkOeUq+z9IH QggFws0HQ8yEeyFq46hNuwi80V6GM/J2BQFwUNJUBUID2HvHLeVZiGsihdKVwEpHpp/AfxEtJKA xpuIdaRtso7LjaIvBxeN3Qn9nDWgmYWvx9OmnWHSIkumpZ0Li9vVkbdg= X-Google-Smtp-Source: AGHT+IERGq8zgv2rLFTEUytthEd2WLJ8gT9yzeFGaVtm2/jiGfdeP6y4I2po56TjkU90idpzX/FhCE1EcA2eDX/3kP8pQouSoWBA Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2384:b0:3a7:fe8c:b014 with SMTP id e9e14a558f8ab-3c2d5917533mr98929775ab.21.1734909026190; Sun, 22 Dec 2024 15:10:26 -0800 (PST) Date: Sun, 22 Dec 2024 15:10:26 -0800 In-Reply-To: <67598fb9.050a0220.17f54a.003b.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67689c62.050a0220.2f3838.000d.GAE@google.com> Subject: Re: [syzbot] [kvm?] WARNING in vmx_handle_exit (2) From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, seanjc@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: bcde95ce32b6 Merge tag 'devicetree-fixes-for-6.13-1' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10635fe8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4f1586bab1323870 dashboard link: https://syzkaller.appspot.com/bug?extid=ac0bc3a70282b4d586cc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=129c58c4580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=134e5f30580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-bcde95ce.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d1b2e8d294e3/vmlinux-bcde95ce.xz kernel image: https://storage.googleapis.com/syzbot-assets/593ff4631acc/bzImage-bcde95ce.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ac0bc3a70282b4d586cc@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6008 at arch/x86/kvm/vmx/vmx.c:6480 __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6480 [inline] WARNING: CPU: 1 PID: 6008 at arch/x86/kvm/vmx/vmx.c:6480 vmx_handle_exit+0x40f/0x1f70 arch/x86/kvm/vmx/vmx.c:6637 Modules linked in: CPU: 1 UID: 0 PID: 6008 Comm: syz-executor324 Not tainted 6.13.0-rc3-syzkaller-00301-gbcde95ce32b6 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6480 [inline] RIP: 0010:vmx_handle_exit+0x40f/0x1f70 arch/x86/kvm/vmx/vmx.c:6637 Code: 07 38 d0 7f 08 84 c0 0f 85 b1 11 00 00 44 0f b6 a5 49 99 00 00 31 ff 44 89 e6 e8 4c 86 68 00 45 84 e4 75 52 e8 62 84 68 00 90 <0f> 0b 90 48 8d bd 4a 99 00 00 c6 85 49 99 00 00 01 48 b8 00 00 00 RSP: 0018:ffffc90003d17a58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888031ba0000 RCX: ffffffff81319144 RDX: ffff8880230ea440 RSI: ffffffff8131914e RDI: 0000000000000001 RBP: ffffc9000428c000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000080000021 R14: ffff888031ba02d8 R15: dffffc0000000000 FS: 00007f4811d6b6c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4811d4ad58 CR3: 0000000030878000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vcpu_enter_guest arch/x86/kvm/x86.c:11081 [inline] vcpu_run+0x3047/0x4f50 arch/x86/kvm/x86.c:11242 kvm_arch_vcpu_ioctl_run+0x44a/0x1740 arch/x86/kvm/x86.c:11560 kvm_vcpu_ioctl+0x6ce/0x1520 virt/kvm/kvm_main.c:4340 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4811dbb649 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4811d6b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4811e3d348 RCX: 00007f4811dbb649 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f4811e3d340 R08: 00007f4811d6b6c0 R09: 0000000000000000 R10: 00007f4811d6b6c0 R11: 0000000000000246 R12: 00007f4811e3d34c R13: 0000000000000000 R14: 00007ffea79b5e30 R15: 00007ffea79b5f18 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.