BUG: unable to handle kernel paging request at ffffed01076db1ff IP: ata_bmdma_fill_sg drivers/ata/libata-sff.c:2650 [inline] IP: ata_bmdma_qc_prep+0x30a/0x3d0 drivers/ata/libata-sff.c:2727 PGD 7fff6067 P4D 7fff6067 PUD 0 Oops: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 2 PID: 5854 Comm: syz-executor1 Not tainted 4.13.0-next-20170915+ #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff88005b168680 task.stack: ffff88005bc08000 RIP: 0010:ata_bmdma_fill_sg drivers/ata/libata-sff.c:2650 [inline] RIP: 0010:ata_bmdma_qc_prep+0x30a/0x3d0 drivers/ata/libata-sff.c:2727 RSP: 0018:ffff88005bc0f040 EFLAGS: 00010807 RAX: dffffc0000000000 RBX: ffff88083b6d8ff8 RCX: ffffc90002f83000 RDX: 1ffff101076db1ff RSI: ffffffff83667421 RDI: ffff88083b6d8ffc RBP: ffff88005bc0f0a0 R08: ffff88006b6e0234 R09: ffff88006b6e0238 R10: 0000000000000003 R11: ffffed000d6dc043 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f5c6915f700(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed01076db1ff CR3: 000000005b3f6000 CR4: 00000000000006e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: ata_qc_issue+0x625/0xea0 drivers/ata/libata-core.c:5410 ata_scsi_translate+0x34a/0x5e0 drivers/ata/libata-scsi.c:2023 __ata_scsi_queuecmd drivers/ata/libata-scsi.c:4325 [inline] ata_scsi_queuecmd+0x2ae/0x6b0 drivers/ata/libata-scsi.c:4374 sctp: [Deprecated]: syz-executor5 (pid 5839) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead scsi_dispatch_cmd+0x432/0xb60 drivers/scsi/scsi_lib.c:1712 scsi_request_fn+0xdf0/0x1e50 drivers/scsi/scsi_lib.c:1847 __blk_run_queue_uncond block/blk-core.c:376 [inline] __blk_run_queue+0x1a6/0x370 block/blk-core.c:396 blk_execute_rq_nowait+0x200/0x310 block/blk-exec.c:78 sg_common_write.isra.17+0xbf8/0x1cb0 drivers/scsi/sg.c:806 sg_write+0x7a6/0xca0 drivers/scsi/sg.c:677 __vfs_write+0xef/0x970 fs/read_write.c:479 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4474f9 RSP: 002b:00007f5c6915ec08 EFLAGS: 00000292 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004474f9 RDX: 00000000000000c7 RSI: 0000000020515000 RDI: 0000000000000006 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 00000000ffffffff R13: 00000000000058a0 R14: 00000000006e8960 R15: 0000000000000001 Code: 41 8d 5e ff e8 18 5c 07 fe 48 c1 e3 03 e8 0f 5c 07 fe 48 03 5d c8 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 0c RIP: ata_bmdma_fill_sg drivers/ata/libata-sff.c:2650 [inline] RSP: ffff88005bc0f040 RIP: ata_bmdma_qc_prep+0x30a/0x3d0 drivers/ata/libata-sff.c:2727 RSP: ffff88005bc0f040 CR2: ffffed01076db1ff ---[ end trace 7fa17781e3877f38 ]---