ci2 starts bisection 2023-04-29 07:09:05.735017304 +0000 UTC m=+55599.755388516 bisecting fixing commit since e3a87a10f2591f296d1a50c5af6820e2181d564a building syzkaller on f94b4a29b579b3de9aab3b41915e3663e6f7094e ensuring issue is reproducible on original commit e3a87a10f2591f296d1a50c5af6820e2181d564a testing commit e3a87a10f2591f296d1a50c5af6820e2181d564a gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2446df74f7b8a3e711a1aea1a33fd0fad0e0cc368fc2e1d552ba4f3c98e057ff all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run testing current HEAD ca1c9012c941ab1520851938d5f695f5a4d23634 testing commit ca1c9012c941ab1520851938d5f695f5a4d23634 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: db5c359225dcc771039a4d86d3c01fcfa586ea532e546f1d7c6e48e08cdf757b all runs: crashed: WARNING in kvm_arch_vcpu_ioctl_run revisions tested: 2, total time: 43m19.021943494s (build: 35m41.098603531s, test: 6m46.871009764s) the crash still happens on HEAD commit msg: Linux 6.1.26 crash: WARNING in kvm_arch_vcpu_ioctl_run 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: 3989 at arch/x86/kvm/x86.c:11155 kvm_arch_vcpu_ioctl_run+0x19f2/0x1b50 Modules linked in: CPU: 1 PID: 3989 Comm: syz-executor.0 Not tainted 6.1.26-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x19f2/0x1b50 arch/x86/kvm/x86.c:11155 Code: df e8 d2 ff b3 00 e9 52 ec ff ff 89 e9 80 e1 07 38 c1 0f 8c 61 ec ff ff 48 89 ef e8 b8 ff b3 00 48 8b 54 24 30 e9 4f ec ff ff <0f> 0b e9 46 f6 ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cf f5 ff RSP: 0018:ffffc90003e3fc70 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88807af40001 RCX: 1ffff1100e576005 RDX: dffffc0000000000 RSI: ffffffff89eb8120 RDI: ffff888072bb0000 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1dfe455 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807af40000 R13: dffffc0000000000 R14: ffff888072bb0000 R15: 00000000fffffffc FS: 00007fb93358d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff1fb98238 CR3: 0000000070f3d000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x7dd/0xa70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4087 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xa7/0xf0 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb93288c0f9 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:00007fb93358d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb9329abf80 RCX: 00007fb93288c0f9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007fb9328e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf2fc2eaf R14: 00007fb93358d300 R15: 0000000000022000