[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.372292][ T6533] 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. [ 66.439862][ T6533] ------------[ cut here ]------------ [ 66.445494][ T6533] WARNING: CPU: 1 PID: 6533 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 66.454131][ T6533] Modules linked in: [ 66.458237][ T6533] CPU: 0 PID: 6533 Comm: syz-executor711 Not tainted 5.15.0-rc5-syzkaller #0 [ 66.468035][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.478355][ T6533] RIP: 0010:kvmalloc_node+0x111/0x120 [ 66.483741][ T6533] Code: 01 00 00 00 4c 89 e7 e8 ad 18 0d 00 49 89 c5 e9 69 ff ff ff e8 60 91 d0 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 4f 91 d0 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 36 [ 66.503420][ T6533] RSP: 0018:ffffc900011ef6e8 EFLAGS: 00010293 [ 66.509638][ T6533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 66.517705][ T6533] RDX: ffff88807a7e8000 RSI: ffffffff81a646c1 RDI: 0000000000000003 [ 66.525680][ T6533] RBP: 0000000000400dc0 R08: 000000007fffffff R09: ffff8880b9d32a0b [ 66.533736][ T6533] R10: ffffffff81a6467e R11: 000000000000003f R12: 00000000e0000000 [ 66.541777][ T6533] R13: 0000000000000000 R14: 00000000ffffffff R15: ffffc900011ef950 [ 66.549799][ T6533] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:0000000056d512c0 [ 66.558790][ T6533] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 66.565403][ T6533] CR2: 000055ad809529a0 CR3: 000000001ae94000 CR4: 00000000003526e0 [ 66.573420][ T6533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.581468][ T6533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.589496][ T6533] Call Trace: [ 66.592783][ T6533] kvm_page_track_create_memslot+0x50/0x110 [ 66.598788][ T6533] ? kvmalloc_node+0x69/0x120 [ 66.603474][ T6533] kvm_arch_prepare_memory_region+0x350/0x610 [ 66.609603][ T6533] kvm_set_memslot+0x172/0x1a40 [ 66.614467][ T6533] __kvm_set_memory_region+0xc1c/0x13d0 [ 66.620069][ T6533] ? kvm_delete_memslot+0x2b0/0x2b0 [ 66.625274][ T6533] ? __mutex_lock+0x21c/0x12f0 [ 66.630107][ T6533] ? mutex_lock_io_nested+0x1150/0x1150 [ 66.635665][ T6533] kvm_vm_ioctl+0x520/0x23d0 [ 66.640312][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 66.645170][ T6533] ? kvm_unregister_device_ops+0x90/0x90 [ 66.650871][ T6533] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 66.656760][ T6533] ? lockdep_hardirqs_on+0x79/0x100 [ 66.661955][ T6533] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 66.668003][ T6533] ? find_held_lock+0x2d/0x110 [ 66.672777][ T6533] ? tomoyo_path_number_perm+0x204/0x590 [ 66.678473][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 66.683329][ T6533] ? tomoyo_path_number_perm+0x441/0x590 [ 66.689024][ T6533] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 66.695271][ T6533] ? tomoyo_path_number_perm+0x24e/0x590 [ 66.700954][ T6533] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 66.706854][ T6533] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 66.712762][ T6533] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 66.719079][ T6533] ? do_vfs_ioctl+0x132/0x15d0 [ 66.723847][ T6533] ? vfs_fileattr_set+0xbe0/0xbe0 [ 66.728932][ T6533] kvm_vm_compat_ioctl+0x288/0x350 [ 66.734055][ T6533] ? kvm_vm_ioctl+0x23d0/0x23d0 [ 66.738954][ T6533] ? find_held_lock+0x2d/0x110 [ 66.743723][ T6533] ? __context_tracking_exit+0xb8/0xe0 [ 66.749228][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 66.754085][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 66.758989][ T6533] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.765235][ T6533] ? kvm_vm_ioctl+0x23d0/0x23d0 [ 66.770136][ T6533] __do_compat_sys_ioctl+0x1c7/0x290 [ 66.775428][ T6533] __do_fast_syscall_32+0x65/0xf0 [ 66.780512][ T6533] do_fast_syscall_32+0x2f/0x70 [ 66.785369][ T6533] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 66.791741][ T6533] RIP: 0023:0xf7e67549 [ 66.795809][ T6533] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 66.815499][ T6533] RSP: 002b:00000000ff89659c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 66.823982][ T6533] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000004020ae46 [ 66.832063][ T6533] RDX: 00000000200001c0 RSI: 00000000ff8965f0 RDI: 00000000f7f0a000 [ 66.840125][ T6533] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 66.848166][ T6533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 66.856139][ T6533] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.864205][ T6533] Kernel panic - not syncing: panic_on_warn set ... [ 66.870782][ T6533] CPU: 1 PID: 6533 Comm: syz-executor711 Not tainted 5.15.0-rc5-syzkaller #0 [ 66.879529][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.889571][ T6533] Call Trace: [ 66.892839][ T6533] dump_stack_lvl+0xcd/0x134 [ 66.897428][ T6533] panic+0x2b0/0x6dd [ 66.901314][ T6533] ? __warn_printk+0xf3/0xf3 [ 66.905909][ T6533] ? __warn.cold+0x1a/0x44 [ 66.910319][ T6533] ? kvmalloc_node+0x111/0x120 [ 66.915083][ T6533] __warn.cold+0x35/0x44 [ 66.919319][ T6533] ? kvmalloc_node+0x111/0x120 [ 66.924076][ T6533] report_bug+0x1bd/0x210 [ 66.928404][ T6533] handle_bug+0x3c/0x60 [ 66.932551][ T6533] exc_invalid_op+0x14/0x40 [ 66.937044][ T6533] asm_exc_invalid_op+0x12/0x20 [ 66.941888][ T6533] RIP: 0010:kvmalloc_node+0x111/0x120 [ 66.947254][ T6533] Code: 01 00 00 00 4c 89 e7 e8 ad 18 0d 00 49 89 c5 e9 69 ff ff ff e8 60 91 d0 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 4f 91 d0 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 36 [ 66.966854][ T6533] RSP: 0018:ffffc900011ef6e8 EFLAGS: 00010293 [ 66.972911][ T6533] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 66.980868][ T6533] RDX: ffff88807a7e8000 RSI: ffffffff81a646c1 RDI: 0000000000000003 [ 66.988834][ T6533] RBP: 0000000000400dc0 R08: 000000007fffffff R09: ffff8880b9d32a0b [ 66.996811][ T6533] R10: ffffffff81a6467e R11: 000000000000003f R12: 00000000e0000000 [ 67.004775][ T6533] R13: 0000000000000000 R14: 00000000ffffffff R15: ffffc900011ef950 [ 67.012758][ T6533] ? kvmalloc_node+0xce/0x120 [ 67.017444][ T6533] ? kvmalloc_node+0x111/0x120 [ 67.022230][ T6533] ? kvmalloc_node+0x111/0x120 [ 67.027002][ T6533] kvm_page_track_create_memslot+0x50/0x110 [ 67.032896][ T6533] ? kvmalloc_node+0x69/0x120 [ 67.037573][ T6533] kvm_arch_prepare_memory_region+0x350/0x610 [ 67.043648][ T6533] kvm_set_memslot+0x172/0x1a40 [ 67.048507][ T6533] __kvm_set_memory_region+0xc1c/0x13d0 [ 67.054057][ T6533] ? kvm_delete_memslot+0x2b0/0x2b0 [ 67.059255][ T6533] ? __mutex_lock+0x21c/0x12f0 [ 67.064038][ T6533] ? mutex_lock_io_nested+0x1150/0x1150 [ 67.069597][ T6533] kvm_vm_ioctl+0x520/0x23d0 [ 67.074187][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 67.079039][ T6533] ? kvm_unregister_device_ops+0x90/0x90 [ 67.084667][ T6533] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 67.090472][ T6533] ? lockdep_hardirqs_on+0x79/0x100 [ 67.095667][ T6533] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 67.101490][ T6533] ? find_held_lock+0x2d/0x110 [ 67.106256][ T6533] ? tomoyo_path_number_perm+0x204/0x590 [ 67.111900][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 67.116749][ T6533] ? tomoyo_path_number_perm+0x441/0x590 [ 67.122381][ T6533] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 67.128616][ T6533] ? tomoyo_path_number_perm+0x24e/0x590 [ 67.134252][ T6533] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 67.140055][ T6533] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 67.145946][ T6533] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 67.152181][ T6533] ? do_vfs_ioctl+0x132/0x15d0 [ 67.156946][ T6533] ? vfs_fileattr_set+0xbe0/0xbe0 [ 67.161975][ T6533] kvm_vm_compat_ioctl+0x288/0x350 [ 67.167089][ T6533] ? kvm_vm_ioctl+0x23d0/0x23d0 [ 67.171932][ T6533] ? find_held_lock+0x2d/0x110 [ 67.176744][ T6533] ? __context_tracking_exit+0xb8/0xe0 [ 67.182230][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 67.187078][ T6533] ? lock_downgrade+0x6e0/0x6e0 [ 67.191939][ T6533] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.198185][ T6533] ? kvm_vm_ioctl+0x23d0/0x23d0 [ 67.203047][ T6533] __do_compat_sys_ioctl+0x1c7/0x290 [ 67.208336][ T6533] __do_fast_syscall_32+0x65/0xf0 [ 67.213359][ T6533] do_fast_syscall_32+0x2f/0x70 [ 67.218211][ T6533] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 67.224552][ T6533] RIP: 0023:0xf7e67549 [ 67.228612][ T6533] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 67.248226][ T6533] RSP: 002b:00000000ff89659c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 67.256640][ T6533] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000004020ae46 [ 67.264606][ T6533] RDX: 00000000200001c0 RSI: 00000000ff8965f0 RDI: 00000000f7f0a000 [ 67.272571][ T6533] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 67.280533][ T6533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 67.288498][ T6533] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.296845][ T6533] Kernel Offset: disabled [ 67.301238][ T6533] Rebooting in 86400 seconds..