ci starts bisection 2023-04-29 23:00:06.505193603 +0000 UTC m=+92675.067268127 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: c288c55da1be768d56e40ac143ddc95f56977e2d3df0c28abc601c11365e1f01 all runs: crashed: WARNING in kvm_recalculate_apic_map testing current HEAD 1ae78a14516b9372e4c90a89ac21b259339a3a3a testing commit 1ae78a14516b9372e4c90a89ac21b259339a3a3a gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 833a6c34df09f89d03d49c5d93eb8ea84588f855514066638132753758306661 all runs: crashed: WARNING in kvm_recalculate_apic_map revisions tested: 2, total time: 25m25.048764381s (build: 18m12.846398701s, test: 6m27.661101933s) the crash still happens on HEAD commit msg: Merge tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd 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: 0 PID: 5428 at arch/x86/kvm/lapic.c:330 kvm_recalculate_apic_map+0xe76/0x1450 arch/x86/kvm/lapic.c:409 Modules linked in: CPU: 0 PID: 5428 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 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 ea d0 92 00 ba 01 00 00 00 be 04 00 00 00 48 89 ef e8 a8 13 fc 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 83 7e aa RSP: 0018:ffffc90004b57800 EFLAGS: 00010283 RAX: 0000000000000001 RBX: ffffc90002226ad0 RCX: 0000000000000000 RDX: 0000000000082000 RSI: ffff8880262a8000 RDI: ffff8880262a8024 RBP: ffffc900022269d8 R08: 0000000000000003 R09: 0000000000000000 R10: ffff88801f7c4090 R11: 0000000000000006 R12: dffffc0000000000 R13: ffff88801f7c4000 R14: ffff8880294ea000 R15: 0000000000000000 FS: 00007f1e1a07f700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002004d008 CR3: 000000001c17d000 CR4: 00000000003526f0 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:4861 [inline] kvm_arch_vcpu_ioctl+0x141e/0x3630 arch/x86/kvm/x86.c:5596 kvm_vcpu_ioctl+0x6fa/0xb50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4258 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: 0033:0x7f1e1928c0f9 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:00007f1e1a07f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1e193abf80 RCX: 00007f1e1928c0f9 RDX: 0000000020000880 RSI: 000000004400ae8f RDI: 0000000000000005 RBP: 00007f1e192e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc53df821f R14: 00007f1e1a07f300 R15: 0000000000022000