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: 12546 Comm: syz-executor5 Not tainted 4.19.0-rc4-next-20180921+ #77 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: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:ffff88018d897100 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000995c RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018d8971e8 R08: ffff8801913b6380 R09: fffff520003afa46 R10: fffff520003afa46 R11: ffffc90001d7d237 R12: dffffc0000000000 R13: ffff880196440140 R14: 0000000000000000 R15: dead000000000100 FS: 00007f89571ac700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 00000001929c2000 CR4: 00000000001426e0 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:should_fail+0xa1/0xd01 lib/fault-inject.c:109 Code: c7 40 10 f2 f2 f2 f2 c7 40 14 04 f2 f2 f2 c7 40 18 f2 f2 f2 f2 c7 40 1c 04 f2 f2 f2 c7 40 20 f2 f2 f2 f2 c7 40 24 04 f2 f2 f2 40 28 f2 f2 f2 f2 c7 40 2c 04 f2 f2 f2 c7 40 30 f2 f2 f2 f2 c7 RSP: 0018:ffff88018d8974c0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: ffffed0031b12e9c RBX: 1ffff10031b12e9c RCX: ffffc90005461000 RDX: 0000000000000000 RSI: 0000000000000020 RDI: ffffffff8983d960 RBP: ffff88018d897768 R08: ffff8801913b6380 R09: 0000000000000000 R10: ffff8801913b6c00 R11: 8d17a3d0888caec5 R12: ffffffff8983d960 R13: ffff88018d897740 R14: dffffc0000000000 R15: 00000000006080c0 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d7/0x750 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:00007f89571abc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f89571ac6d4 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 be38e39b1d0ed402 ]--- 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:ffff88018d897100 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000995c RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018d8971e8 R08: ffff8801913b6380 R09: fffff520003afa46 R10: fffff520003afa46 R11: ffffc90001d7d237 R12: dffffc0000000000 R13: ffff880196440140 R14: 0000000000000000 R15: dead000000000100 FS: 00007f89571ac700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 00000001929c2000 CR4: 00000000001426e0