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 kobject: 'kvm' (00000000748e212e): kobject_uevent_env CPU: 1 PID: 18903 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #147 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 1b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00 kobject: 'kvm' (00000000748e212e): fill_kobj_path: path = '/devices/virtual/misc/kvm' RSP: 0018:ffff8801bb156f00 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 000000000000c4af RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff8801bb156fe8 R08: ffff88018ee52200 R09: ffffed0032a84ccc R10: ffffed0032a84ccc R11: ffff880195426667 R12: dead000000000100 R13: ffff8801b7ff6240 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f28b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f1fbb525df8 CR3: 00000001d8bf2000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:lock_release+0x4d2/0x970 kernel/locking/lockdep.c:3922 Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 6a 03 00 00 48 83 3d b5 3b f1 07 00 0f 84 c5 02 00 00 48 8b bd e0 fe ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 RSP: 0018:ffff8801bb1572c8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff1003762ae5d RCX: 1ffff10031dca54e RDX: 1ffffffff12a453d RSI: 0000000000000002 RDI: 0000000000000286 RBP: ffff8801bb1573f0 R08: 0000000000000000 R09: ffffed003b5e4732 R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff88018ee52200 R13: 1f30e873467d2725 R14: 0000000000000001 R15: ffff88018ee52200 rcu_lock_release include/linux/rcupdate.h:249 [inline] rcu_read_unlock include/linux/rcupdate.h:683 [inline] is_bpf_text_address+0xd3/0x170 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: 0023:0xf7f4eca9 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:00000000f5f280cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000000a 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 84867b5023a5142a ]--- 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' (00000000748e212e): 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 1b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00 RSP: 0018:ffff8801bb156f00 EFLAGS: 00010a06 kobject: 'kvm' (00000000748e212e): kobject_uevent_env RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 000000000000c4af RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff8801bb156fe8 R08: ffff88018ee52200 R09: ffffed0032a84ccc kobject: 'kvm' (00000000748e212e): fill_kobj_path: path = '/devices/virtual/misc/kvm' R10: ffffed0032a84ccc R11: ffff880195426667 R12: dead000000000100 R13: ffff8801b7ff6240 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f28b40 kobject: 'kvm' (00000000748e212e): kobject_uevent_env CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f1fbb525df8 CR3: 00000001d8bf2000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400