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: 0 PID: 10521 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #248
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline]
RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline]
RIP: 0010:finish_task_switch+0x599/0x900 kernel/sched/core.c:2679
Code: 89 e1 48 c1 e9 03 42 80 3c 39 00 0f 85 a7 01 00 00 4d 8b 24 24 4d 85 e4 0f 84 ad fc ff ff 49 8d 7c 24 10 48 89 f9 48 c1 e9 03 <42> 80 3c 39 00 74 a5 e8 5b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00
RSP: 0018:ffff88018f61ef28 EFLAGS: 00010a06
RAX: 0000000000000000 RBX: ffff8801dae2cb40 RCX: 1bd5a00000000022
RDX: 0000000000003bce RSI: ffffffff810f036e RDI: dead000000000110
RBP: ffff88018f61f010 R08: ffff8801be468040 R09: ffffed0032045d6c
R10: ffffed0032045d6c R11: ffff88019022eb67 R12: dead000000000100
R13: ffff88019800e200 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f4b78449700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000072c000 CR3: 00000001d3dee000 CR4: 00000000001426f0
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x874/0x1ed0 kernel/sched/core.c:3473
 preempt_schedule_common+0x1f/0xd0 kernel/sched/core.c:3597
 preempt_schedule+0x4d/0x60 kernel/sched/core.c:3623
 ___preempt_schedule+0x16/0x18
 rcu_read_unlock_sched include/linux/rcupdate.h:766 [inline]
 percpu_ref_tryget_live+0x255/0x460 include/linux/percpu-refcount.h:260
 css_tryget_online include/linux/cgroup.h:354 [inline]
 get_mem_cgroup_from_mm+0x359/0x440 mm/memcontrol.c:848
 get_mem_cgroup_from_current mm/memcontrol.c:890 [inline]
 memcg_kmem_get_cache+0x1fc/0x9d0 mm/memcontrol.c:2537
 slab_pre_alloc_hook mm/slab.h:428 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x193/0x730 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
 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: 0033:0x457679
Code: 1d 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f4b78448c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4b784496d4 RCX: 0000000000457679
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cfc28 R14: 00000000004bfd60 R15: 0000000000000000
Modules linked in:
---[ end trace b3f46e473c0b2834 ]---
RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline]
RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline]
RIP: 0010:finish_task_switch+0x599/0x900 kernel/sched/core.c:2679
kobject: 'kvm' (000000008242f9ed): kobject_uevent_env
Code: 89 e1 48 c1 e9 03 42 80 3c 39 00 0f 85 a7 01 00 00 4d 8b 24 24 4d 85 e4 0f 84 ad fc ff ff 49 8d 7c 24 10 48 89 f9 48 c1 e9 03 <42> 80 3c 39 00 74 a5 e8 5b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00
RSP: 0018:ffff88018f61ef28 EFLAGS: 00010a06
RAX: 0000000000000000 RBX: ffff8801dae2cb40 RCX: 1bd5a00000000022
RDX: 0000000000003bce RSI: ffffffff810f036e RDI: dead000000000110
RBP: ffff88018f61f010 R08: ffff8801be468040 R09: ffffed0032045d6c
R10: ffffed0032045d6c R11: ffff88019022eb67 R12: dead000000000100
R13: ffff88019800e200 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f4b78449700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
kobject: 'kvm' (000000008242f9ed): fill_kobj_path: path = '/devices/virtual/misc/kvm'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000072c000 CR3: 00000001d3dee000 CR4: 00000000001426f0