general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 13983 Comm: syz-executor.7 Not tainted 5.10.79 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:scsi_command_size include/scsi/scsi_common.h:24 [inline]
RIP: 0010:scsi_setup_scsi_cmnd drivers/scsi/scsi_lib.c:1197 [inline]
RIP: 0010:scsi_prepare_cmd drivers/scsi/scsi_lib.c:1581 [inline]
RIP: 0010:scsi_queue_rq+0x1eb1/0x2a70 drivers/scsi/scsi_lib.c:1670
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 46 0b 00 00 48 8b 8b 40 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 c1 ea 03 <0f> b6 04 02 48 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 48 0b 00 00
RSP: 0018:ffff88804b63f3c0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: ffff88800ef10000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff829603ae RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88800ef10248
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ef10240
R13: ffff88800af6a000 R14: 0000000000000000 R15: ffff88800938e000
FS:  00007f92f4efb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d027000 CR3: 000000004682c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 blk_mq_dispatch_rq_list+0x36d/0x1bb0 block/blk-mq.c:1369
 __blk_mq_sched_dispatch_requests+0x263/0x490 block/blk-mq-sched.c:309
 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:342
 __blk_mq_run_hw_queue+0x12c/0x290 block/blk-mq.c:1513
 __blk_mq_delay_run_hw_queue+0x4f1/0x550 block/blk-mq.c:1590
 blk_mq_run_hw_queue+0x16c/0x2f0 block/blk-mq.c:1643
 blk_mq_sched_insert_request+0x380/0x440 block/blk-mq-sched.c:470
 blk_execute_rq+0xd4/0x1b0 block/blk-exec.c:86
 sg_io+0x60d/0xf70 block/scsi_ioctl.c:360
 scsi_cmd_ioctl+0x522/0x590 block/scsi_ioctl.c:809
 scsi_cmd_blk_ioctl block/scsi_ioctl.c:867 [inline]
 scsi_cmd_blk_ioctl+0xe1/0x130 block/scsi_ioctl.c:858
 cdrom_ioctl+0xc4/0x2bb0 drivers/cdrom/cdrom.c:3361
 sr_block_ioctl+0x141/0x1a0 drivers/scsi/sr.c:596
 __blkdev_driver_ioctl block/ioctl.c:237 [inline]
 blkdev_ioctl+0x28d/0x700 block/ioctl.c:632
 block_ioctl+0xf9/0x140 fs/block_dev.c:1893
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f92f7985b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f92f4efb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f92f7a98f60 RCX: 00007f92f7985b19
RDX: 0000000020000540 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 00007f92f79dff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc798f406f R14: 00007f92f4efb300 R15: 0000000000022000
Modules linked in:
---[ end trace 2f5aefbedab9da96 ]---
RIP: 0010:scsi_command_size include/scsi/scsi_common.h:24 [inline]
RIP: 0010:scsi_setup_scsi_cmnd drivers/scsi/scsi_lib.c:1197 [inline]
RIP: 0010:scsi_prepare_cmd drivers/scsi/scsi_lib.c:1581 [inline]
RIP: 0010:scsi_queue_rq+0x1eb1/0x2a70 drivers/scsi/scsi_lib.c:1670
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 46 0b 00 00 48 8b 8b 40 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 c1 ea 03 <0f> b6 04 02 48 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 48 0b 00 00
RSP: 0018:ffff88804b63f3c0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: ffff88800ef10000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff829603ae RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88800ef10248
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ef10240
R13: ffff88800af6a000 R14: 0000000000000000 R15: ffff88800938e000
FS:  00007f92f4efb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d027000 CR3: 000000004682c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
note: syz-executor.7[13983] exited with preempt_count 2
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 46 0b 00 00    	jne    0xb54
   e:	48 8b 8b 40 02 00 00 	mov    0x240(%rbx),%rcx
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	48 89 ca             	mov    %rcx,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
* 26:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2a:	48 89 ca             	mov    %rcx,%rdx
  2d:	83 e2 07             	and    $0x7,%edx
  30:	38 d0                	cmp    %dl,%al
  32:	7f 08                	jg     0x3c
  34:	84 c0                	test   %al,%al
  36:	0f 85 48 0b 00 00    	jne    0xb84