ci starts bisection 2023-03-30 13:09:40.644508655 +0000 UTC m=+89121.090856640 bisecting fixing commit since f3a2439f20d918930cc4ae8f76fe1c1afd26958f building syzkaller on e792ae78c524597ed9bdc16cf10503e2c0079be5 ensuring issue is reproducible on original commit f3a2439f20d918930cc4ae8f76fe1c1afd26958f testing commit f3a2439f20d918930cc4ae8f76fe1c1afd26958f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: da0035eb16a5fb56114010cf85100f504d65600c4ef25d5cb828774bde504341 all runs: crashed: WARNING in kvm_recalculate_apic_map testing current HEAD ffe78bbd512166e0ef1cc4858010b128c510ed7d testing commit ffe78bbd512166e0ef1cc4858010b128c510ed7d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2e4cd014dceeb4081eb4bc3afb8b3b87386260778974b5a3420a77c68bba4a20 all runs: crashed: WARNING in kvm_recalculate_apic_map revisions tested: 2, total time: 26m28.840850173s (build: 18m50.227889315s, test: 6m27.999930565s) the crash still happens on HEAD commit msg: Merge tag 'xtensa-20230327' of https://github.com/jcmvbkbc/linux-xtensa crash: WARNING in kvm_recalculate_apic_map kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5616 at arch/x86/kvm/lapic.c:330 kvm_recalculate_apic_map+0xe76/0x1450 arch/x86/kvm/lapic.c:409 Modules linked in: CPU: 1 PID: 5616 Comm: syz-executor.0 Not tainted 6.3.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:kvm_recalculate_logical_map arch/x86/kvm/lapic.c:330 [inline] RIP: 0010:kvm_recalculate_apic_map+0xe76/0x1450 arch/x86/kvm/lapic.c:413 Code: 48 8b 7c 24 20 e8 2a 09 91 00 ba 01 00 00 00 be 04 00 00 00 48 89 ef e8 b8 ff fb ff 48 c7 44 24 20 00 00 00 00 e9 b1 f9 ff ff <0f> 0b e9 0b f9 ff ff 4d 89 2f e9 03 f9 ff ff 48 89 df e8 13 f7 a7 RSP: 0018:ffffc9000462f800 EFLAGS: 00010283 RAX: 0000000000000001 RBX: ffffc900046b1ad0 RCX: 0000000000000000 RDX: 0000000000082000 RSI: ffff888076288000 RDI: ffff888076288024 RBP: ffffc900046b19d8 R08: 0000000000000003 R09: 0000000000000000 R10: ffff88802a7d0690 R11: 0000000000000006 R12: dffffc0000000000 R13: ffff88802a7d0600 R14: ffff88801eb6a000 R15: 0000000000000000 FS: 00007f85103fe700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002004d008 CR3: 000000001b73c000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_apic_set_state+0x3cd/0xd30 arch/x86/kvm/lapic.c:2951 kvm_vcpu_ioctl_set_lapic arch/x86/kvm/x86.c:4858 [inline] kvm_arch_vcpu_ioctl+0x141e/0x3620 arch/x86/kvm/x86.c:5593 kvm_vcpu_ioctl+0x6fa/0xb50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x123/0x190 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f851108c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f85103fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f85111abf80 RCX: 00007f851108c0f9 RDX: 0000000020000880 RSI: 000000004400ae8f RDI: 0000000000000005 RBP: 00007f85110e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3e9c82cf R14: 00007f85103fe300 R15: 0000000000022000