binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 kasan: CONFIG_KASAN_INLINE enabled kobject: 'kvm' (00000000235b6980): kobject_uevent_env kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7626 Comm: syz-executor4 Not tainted 4.19.0-rc4-next-20180921+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'kvm' (00000000235b6980): fill_kobj_path: path = '/devices/virtual/misc/kvm' RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 RSP: 0018:ffff88018c707310 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dac2cc40 RCX: 1bd5a00000000022 RDX: 0000000000008467 RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018c7073f8 R08: ffff8801c18440c0 R09: fffff52001cc0246 R10: fffff52001cc0246 R11: ffffc9000e601237 R12: dffffc0000000000 R13: ffff8801d53a0140 R14: 0000000000000000 R15: dead000000000100 FS: 00007fad3dcaa700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004edbb8 CR3: 00000001bc404000 CR4: 00000000001426f0 Call Trace: context_switch kernel/sched/core.c:2833 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3479 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3706 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline] RIP: 0010:qlist_free_all+0xf0/0x140 mm/kasan/quarantine.c:166 Code: c7 40 10 00 00 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7f 8a c2 ff 48 83 3d 37 47 b1 07 00 74 45 48 89 df 57 9d <0f> 1f 44 00 00 eb af 48 89 df e8 21 70 77 ff 48 b9 00 00 00 00 00 RSP: 0018:ffff88018c7076d8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c1844940 RDI: 0000000000000282 RBP: ffff88018c707708 R08: ffff8801c18440c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801bed6a940 R14: ffff8801be30c980 R15: ffff8801da989e00 quarantine_reduce+0x163/0x1a0 mm/kasan/quarantine.c:259 kasan_kmalloc+0x9b/0xe0 mm/kasan/kasan.c:538 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_trace+0x13b/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [inline] kvm_create_vm_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:612 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3213 [inline] kvm_dev_ioctl+0xad2/0x1ae0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3240 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:00007fad3dca9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fad3dcaa6d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000009 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cfc28 R14: 00000000004bfd60 R15: 0000000000000001 Modules linked in: ---[ end trace 06a6d51337795cb4 ]--- binder: 7613:7624 ioctl 40046207 0 returned -16 RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 RSP: 0018:ffff88018c707310 EFLAGS: 00010a06 kobject: 'loop5' (0000000005d2456b): kobject_uevent_env RAX: 0000000000000000 RBX: ffff8801dac2cc40 RCX: 1bd5a00000000022 kobject: 'loop5' (0000000005d2456b): fill_kobj_path: path = '/devices/virtual/block/loop5' RDX: 0000000000008467 RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018c7073f8 R08: ffff8801c18440c0 R09: fffff52001cc0246 R10: fffff52001cc0246 R11: ffffc9000e601237 R12: dffffc0000000000 R13: ffff8801d53a0140 R14: 0000000000000000 R15: dead000000000100 FS: 00007fad3dcaa700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004edbb8 CR3: 00000001bc404000 CR4: 00000000001426f0 kobject: 'loop3' (00000000beb333c2): kobject_uevent_env