kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.18.0-rc5-next-20180720+ #12 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__delayacct_blkio_end+0x4f/0xc0 kernel/delayacct.c:83 Code: 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 48 8b 9b 50 12 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 38 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 51 44 8b 63 38 31 ff 41 83 e4 01 RSP: 0018:ffff8801dae06be8 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801cdaac0f8 RDX: 0000000000000007 RSI: ffffffff817db931 RDI: 0000000000000038 RBP: ffff8801dae06c00 R08: ffffed0039b55909 R09: 0000000000000000 R10: ffff8801dae06d10 R11: ffff8801cdaac843 R12: ffffffff88e75dc0 R13: ffff8801cdaac0c0 R14: ffff8801cdaac0fc R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000001ffffd40 CR3: 000000019b682000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: delayacct_blkio_end include/linux/delayacct.h:135 [inline] try_to_wake_up+0xacb/0x12b0 kernel/sched/core.c:2029 default_wake_function+0x30/0x50 kernel/sched/core.c:3707 autoremove_wake_function+0x80/0x370 kernel/sched/wait.c:373 wake_bit_function+0xcb/0x160 kernel/sched/wait_bit.c:30 __wake_up_common+0x191/0x740 kernel/sched/wait.c:90 __wake_up_common_lock+0x1c2/0x330 kernel/sched/wait.c:119 __wake_up+0xe/0x10 kernel/sched/wait.c:143 __wake_up_bit+0x1af/0x290 kernel/sched/wait_bit.c:125 wake_up_bit+0x3d/0x40 kernel/sched/wait_bit.c:148 journal_end_buffer_io_sync+0xa4/0xe0 fs/jbd2/commit.c:44 end_bio_bh_io_sync+0xf3/0x140 fs/buffer.c:2981 bio_endio+0x5a6/0xb60 block/bio.c:1840 req_bio_endio block/blk-core.c:277 [inline] blk_update_request+0x3ab/0xcd0 block/blk-core.c:3092 scsi_end_request+0xde/0x890 drivers/scsi/scsi_lib.c:679 scsi_io_completion+0x26b/0x1ba0 drivers/scsi/scsi_lib.c:1099 scsi_finish_command+0x54a/0x8f0 drivers/scsi/scsi.c:248 scsi_softirq_done+0x3f6/0x4d0 drivers/scsi/scsi_lib.c:1748 __blk_mq_complete_request block/blk-mq.c:583 [inline] blk_mq_complete_request+0x355/0x630 block/blk-mq.c:620 scsi_mq_done+0xe7/0x450 drivers/scsi/scsi_lib.c:2059 virtscsi_complete_cmd+0x573/0x740 drivers/scsi/virtio_scsi.c:207 virtscsi_vq_done+0xcb/0x180 drivers/scsi/virtio_scsi.c:223 virtscsi_req_done+0xa7/0xd0 drivers/scsi/virtio_scsi.c:238 vring_interrupt+0x128/0x170 drivers/virtio/virtio_ring.c:950 __handle_irq_event_percpu+0x1c8/0xaf0 kernel/irq/handle.c:149 handle_irq_event_percpu+0xa0/0x1d0 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:154 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:645 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54 Code: c7 48 89 45 d8 e8 7a 3e 1c fa 48 8b 45 d8 e9 d2 fe ff ff 48 89 df e8 69 3e 1c fa eb 8a 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffffff88e07bc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffda RAX: dffffc0000000000 RBX: 1ffffffff11c0f7b RCX: ffffffff8166e182 RDX: 1ffffffff11e3658 RSI: 0000000000000004 RDI: ffffffff88f1b2c0 RBP: ffffffff88e07bc0 R08: ffffed003b5c46d7 R09: ffffed003b5c46d6 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: 0000000000000000 R13: ffffffff88e07c78 R14: ffffffff899f46e0 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0xc7/0x450 arch/x86/kernel/process.c:500 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:491 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x3aa/0x570 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 rest_init+0xe1/0xe4 init/main.c:442 start_kernel+0x90e/0x949 init/main.c:738 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:452 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:433 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 597f8cfd26f138dc ]--- RIP: 0010:__delayacct_blkio_end+0x4f/0xc0 kernel/delayacct.c:83 Code: 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 48 8b 9b 50 12 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 38 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 51 44 8b 63 38 31 ff 41 83 e4 01 RSP: 0018:ffff8801dae06be8 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801cdaac0f8 RDX: 0000000000000007 RSI: ffffffff817db931 RDI: 0000000000000038 RBP: ffff8801dae06c00 R08: ffffed0039b55909 R09: 0000000000000000 R10: ffff8801dae06d10 R11: ffff8801cdaac843 R12: ffffffff88e75dc0 R13: ffff8801cdaac0c0 R14: ffff8801cdaac0fc R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000001ffffd40 CR3: 000000019b682000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400