REISERFS warning (device loop1): super-6510 reiserfs_parse_options: journal device was already specified to be ./file0 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: 21920 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #247 kobject: 'loop4' (000000009d84b75f): kobject_uevent_env 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 2b cb 6c 00 eb 9e 49 8d 7d 78 48 b8 00 00 RSP: 0000:ffff880191e070b0 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 000000000000bf9c RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff880191e07198 R08: ffff8801c48d62c0 R09: fffff52000904246 R10: fffff52000904246 R11: ffffc90004821237 R12: dead000000000100 R13: ffff8801d8a5a4c0 R14: 0000000000000000 R15: dffffc0000000000 kobject: 'loop4' (000000009d84b75f): fill_kobj_path: path = '/devices/virtual/block/loop4' FS: 00007fd91c59a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020937000 CR3: 000000018ed5e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'kvm' (000000003ccd59c5): kobject_uevent_env 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:00007fd91c599cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000000072bfa8 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bfa8 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bfac R13: 00007fff389acdff R14: 00007fd91c59a9c0 R15: 0000000000000001 Modules linked in: ---[ end trace f714a9aaabe26de2 ]--- 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 REISERFS warning (device loop4): sh-2021 reiserfs_fill_super: can not find reiserfs on loop4 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: 0000:ffff880191e070b0 EFLAGS: 00010a06 kobject: 'kvm' (000000003ccd59c5): fill_kobj_path: path = '/devices/virtual/misc/kvm' RAX: 0000000000000000 RBX: ffff8801daf2cb40 RCX: 1bd5a00000000022 RDX: 000000000000bf9c RSI: ffffffff810f036e RDI: dead000000000110 RBP: ffff880191e07198 R08: ffff8801c48d62c0 R09: fffff52000904246 R10: fffff52000904246 R11: ffffc90004821237 R12: dead000000000100 R13: ffff8801d8a5a4c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fd91c59a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'loop2' (0000000044ab3697): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020937000 CR3: 000000018ed5e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400