kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'erspan0' (000000006d2edd29): fill_kobj_path: path = '/devices/virtual/net/erspan0' general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15154 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #151 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:ffff88019242e910 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 00000000000095b1 RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff88019242e9f8 R08: ffff88019917a140 R09: fffff52002121446 R10: fffff52002121446 R11: ffffc9001090a237 R12: dead000000000100 R13: ffff8801bec74580 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f75b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5f33db0 CR3: 00000001c0c23000 CR4: 00000000001426e0 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:unwind_next_frame.part.7+0x18/0x9e0 arch/x86/kernel/unwind_frame.c:282 Code: ff ff 4c 89 ff e8 38 f2 8b 00 eb 87 e8 61 7b 12 00 90 48 ba 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 4c 8d 7f 50 41 55 <41> 54 4c 8d a5 38 ff ff ff 49 c1 ec 03 53 48 89 fb 49 8d 04 14 48 RSP: 0018:ffff88019242ecd0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff88019242ed10 RCX: 000000000000000d RDX: dffffc0000000000 RSI: ffffffff8107f0f0 RDI: ffff88019242ed10 RBP: ffff88019242ece8 R08: ffff88019242ed48 R09: ffff88019917a140 R10: ffffed0032485dac R11: ffff88019242ed67 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88019917a140 R15: ffff88019242ed60 unwind_next_frame+0x3e/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x7d/0xf0 arch/x86/kernel/stacktrace.c:44 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 __d_alloc+0xc8/0xcc0 fs/dcache.c:1614 d_alloc+0x96/0x380 fs/dcache.c:1698 d_alloc_parallel+0x15a/0x1f40 fs/dcache.c:2441 __lookup_slow+0x1e6/0x540 fs/namei.c:1654 lookup_one_len+0x1d8/0x220 fs/namei.c:2543 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 __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: 0023:0xf7f79ca9 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:00000000f5f750cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 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 0db2fca9fcccdfc4 ]--- 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 kobject: 'queues' (000000000a91be19): kobject_add_internal: parent: 'erspan0', set: '' RSP: 0018:ffff88019242e910 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 00000000000095b1 RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff88019242e9f8 R08: ffff88019917a140 R09: fffff52002121446 R10: fffff52002121446 R11: ffffc9001090a237 R12: dead000000000100 R13: ffff8801bec74580 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f75b40 kobject: 'queues' (000000000a91be19): kobject_uevent_env CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5f33db0 CR3: 00000001c0c23000 CR4: 00000000001426e0