RBP: 000000000072bea0 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000015 R13: 00000000004bb85d R14: 00000000004c8d28 R15: 0000000000000003 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: 4384 Comm: syz-fuzzer 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: 0000:ffff8801dae06be8 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801d93485f8 RDX: 0000000000000007 RSI: ffffffff817db931 RDI: 0000000000000038 RBP: ffff8801dae06c00 R08: ffffed003b2691a9 R09: 0000000000000001 R10: ffff8801dae06d10 R11: ffff8801d9348d43 R12: ffff8801b63ac180 R13: ffff8801d93485c0 R14: ffff8801d93485fc R15: 0000000000000002 FS: 000000c4200863e8(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42b815010 CR3: 00000001c25d4000 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: 0033:0x41decf Code: b6 0b 49 89 ca 44 89 c1 41 d3 e9 48 83 ff 08 74 0b 41 0f ba e1 04 0f 83 db 00 00 00 41 0f ba e1 00 73 b1 4c 8d 0c 37 4d 8b 09 <4d> 85 c9 74 a5 4c 39 c8 77 a0 49 39 d1 73 9b 4d 89 cb 49 29 f1 4d RSP: 002b:000000c4202c7e80 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffda RAX: 000000c420000000 RBX: 000000c41ff86f3f RCX: 0000000000000000 RDX: 000000c430fa0000 RSI: 000000c420f21800 RDI: 0000000000000000 RBP: 000000c4202c7f18 R08: 0000000000000000 R09: 0000000000bb6540 R10: 0000000000000400 R11: 000000c420f21800 R12: 000000c42aa86000 R13: 0000000000000089 R14: 000000000045b6a0 R15: 0000000000000000 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace bb8f0ab8fe85d3e1 ]--- 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: 0000:ffff8801dae06be8 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8801d93485f8 RDX: 0000000000000007 RSI: ffffffff817db931 RDI: 0000000000000038 RBP: ffff8801dae06c00 R08: ffffed003b2691a9 R09: 0000000000000001 R10: ffff8801dae06d10 R11: ffff8801d9348d43 R12: ffff8801b63ac180 R13: ffff8801d93485c0 R14: ffff8801d93485fc R15: 0000000000000002 FS: 000000c4200863e8(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42b815010 CR3: 00000001c25d4000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400