RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9506 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_lapic_hv_timer_in_use+0x56/0xd0 arch/x86/kvm/lapic.c:1622 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 9f 7a 66 00 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 5b 7c RSP: 0018:ffff880191c9ef18 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a6e000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff880191c9ef20 R08: ffff8801960e06c0 R09: ffffed00331d2cc4 R10: ffffed00331d2cc4 R11: ffff880198e96627 R12: 0000000000000001 R13: 1ffff10032393dea R14: 0000000000000000 R15: ffff880198e90b20 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f81b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000814b000 CR3: 000000019fbd9000 CR4: 00000000001426e0 Call Trace: kvm_arch_vcpu_load+0x516/0x970 arch/x86/kvm/x86.c:3128 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3975 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline] finish_task_switch+0x56e/0x900 kernel/sched/core.c:2679 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3473 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3700 retint_kernel+0x1b/0x2d RIP: 0010:write_comp_data+0x0/0x70 Code: e8 f5 61 43 00 e9 a6 fc ff ff 4c 89 f7 e8 48 61 43 00 e9 6f fc ff ff e8 6e eb c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 65 4c 8b 04 25 40 ee 01 00 65 8b 05 df 19 83 7e a9 00 01 1f 00 RSP: 0018:ffff880191c9f3e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff818b7f34 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff880191c9f3f0 R08: ffffed003b5c4733 R09: ffffed003b5c4732 R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8801960e06c0 R15: ffff880187564a0f rcu_read_unlock include/linux/rcupdate.h:679 [inline] is_bpf_text_address+0xf4/0x170 kernel/bpf/core.c:545 kernel_text_address+0x79/0xf0 kernel/extable.c:152 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x8d/0xf0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] kmem_cache_alloc+0x11b/0x730 mm/slab.c:3552 alloc_inode+0xb2/0x190 fs/inode.c:212 new_inode_pseudo+0x71/0x1a0 fs/inode.c:903 new_inode+0x1c/0x40 fs/inode.c:932 debugfs_get_inode+0x19/0x120 fs/debugfs/inode.c:37 __debugfs_create_file+0xb5/0x400 fs/debugfs/inode.c:352 debugfs_create_file+0x57/0x70 fs/debugfs/inode.c:399 kvm_create_vm_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:620 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3214 [inline] kvm_dev_ioctl+0xbe0/0x1b10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3241 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline] __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:1365 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f85ca9 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5f810cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000000ae01 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace db10a51ba99687bd ]--- RIP: 0010:kvm_lapic_hv_timer_in_use+0x56/0xd0 arch/x86/kvm/lapic.c:1622 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 9f 7a 66 00 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 5b 7c kobject: 'loop5' (00000000a4ed6f7e): kobject_uevent_env RSP: 0018:ffff880191c9ef18 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a6e000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff880191c9ef20 R08: ffff8801960e06c0 R09: ffffed00331d2cc4 R10: ffffed00331d2cc4 R11: ffff880198e96627 R12: 0000000000000001 R13: 1ffff10032393dea R14: 0000000000000000 R15: ffff880198e90b20 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f81b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000814b000 CR3: 000000019fbd9000 CR4: 00000000001426e0