R13: 00000000004cf2e0 R14: 00000000004c55ac R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled sctp: [Deprecated]: syz-executor3 (pid 8748) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8743 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #230 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 bf 77 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:ffff8801d84f71b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001e60000 RDX: 000000000000000f RSI: ffffffff81185901 RDI: 000000000000007c RBP: ffff8801d84f71c0 R08: ffff880187e58240 R09: ffffed0024cbabd4 R10: ffffed0024cbabd4 R11: ffff8801265d5ea7 R12: 0000000000000000 R13: 1ffff1003b09ee3e R14: 0000000000000000 R15: ffff8801265d03a0 FS: 00007fd61e713700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d6a38 CR3: 00000001c61b5000 CR4: 00000000001426f0 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:lookup_one_len+0xab/0x220 fs/namei.c:2536 Code: 25 28 00 00 00 48 89 45 d0 31 c0 e8 7f 89 ad ff 49 8d 7e 58 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 6a 01 00 00 4d 8b 66 58 08 00 00 00 4d 8d bc 24 d8 00 00 00 4c 89 ff e8 00 df f0 ff 4c RSP: 0018:ffff8801d84f7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff100393c47cb RBX: 1ffff1003b09eed4 RCX: ffffc90001e60000 RDX: 00000000000027b6 RSI: ffffffff81d14741 RDI: ffff8801c9e23e58 RBP: ffff8801d84f7768 R08: ffff880187e58ae0 R09: 0000000000000000 R10: ffff880187e58ac0 R11: 0b5dc801c1fb695a R12: ffff880160468000 R13: ffff8801d84f7740 R14: ffff8801c9e23e00 R15: ffff8801c9e23e00 start_creating+0xf2/0x220 fs/debugfs/inode.c:308 __debugfs_create_file+0x63/0x400 fs/debugfs/inode.c:347 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 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457099 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd61e712c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd61e7136d4 RCX: 0000000000457099 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000000a RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf2e0 R14: 00000000004c55ac R15: 0000000000000000 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 32c526f49070a09e ]--- 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 bf 77 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:ffff8801d84f71b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001e60000 kobject: 'loop2' (0000000048272953): kobject_uevent_env RDX: 000000000000000f RSI: ffffffff81185901 RDI: 000000000000007c kobject: 'loop2' (0000000048272953): fill_kobj_path: path = '/devices/virtual/block/loop2' RBP: ffff8801d84f71c0 R08: ffff880187e58240 R09: ffffed0024cbabd4 R10: ffffed0024cbabd4 R11: ffff8801265d5ea7 R12: 0000000000000000 R13: 1ffff1003b09ee3e R14: 0000000000000000 R15: ffff8801265d03a0 FS: 00007fd61e713700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d6a38 CR3: 00000001c61b5000 CR4: 00000000001426f0 kobject: 'loop3' (00000000b8132269): kobject_uevent_env