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' (000000006b9ee0a6): kobject_uevent_env
CPU: 0 PID: 14627 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #25
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
kobject: 'kvm' (000000006b9ee0a6): fill_kobj_path: path = '/devices/virtual/misc/kvm'
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 2b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00
RSP: 0018:ffff88013c1c70b0 EFLAGS: 00010a06
RAX: 0000000000000000 RBX: ffff8801dae2cb40 RCX: 1bd5a00000000022
RDX: 0000000000000000 RSI: ffffffff810f036e RDI: dead000000000110
RBP: ffff88013c1c7198 R08: ffff8801c4f68440 R09: fffff52001c22246
R10: fffff52001c22246 R11: ffffc9000e111237 R12: dead000000000100
R13: ffff880161966240 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f510ad2f700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f510acecdb8 CR3: 0000000118783000 CR4: 00000000001426f0
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x874/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue_me+0x3f9/0x840 kernel/futex.c:2530
 futex_wait+0x45c/0xa50 kernel/futex.c:2645
 do_futex+0x31a/0x26d0 kernel/futex.c:3528
 __do_sys_futex kernel/futex.c:3589 [inline]
 __se_sys_futex kernel/futex.c:3557 [inline]
 __x64_sys_futex+0x472/0x6a0 kernel/futex.c:3557
 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:00007f510ad2ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000072bf08 RCX: 0000000000457679
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffd0a16c5df R14: 00007f510ad2f9c0 R15: 0000000000000000
Modules linked in:
---[ end trace 3d5ffd11d4ef65eb ]---
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 2b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00
kobject: 'kvm' (000000006b9ee0a6): kobject_uevent_env
RSP: 0018:ffff88013c1c70b0 EFLAGS: 00010a06
kobject: 'kvm' (000000006b9ee0a6): fill_kobj_path: path = '/devices/virtual/misc/kvm'
RAX: 0000000000000000 RBX: ffff8801dae2cb40 RCX: 1bd5a00000000022
RDX: 0000000000000000 RSI: ffffffff810f036e RDI: dead000000000110
RBP: ffff88013c1c7198 R08: ffff8801c4f68440 R09: fffff52001c22246
R10: fffff52001c22246 R11: ffffc9000e111237 R12: dead000000000100
R13: ffff880161966240 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f510ad2f700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
kobject: 'loop1' (00000000591e4731): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop1' (00000000591e4731): fill_kobj_path: path = '/devices/virtual/block/loop1'
CR2: 00007f510acecdb8 CR3: 0000000118783000 CR4: 00000000001426f0