general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 3094 Comm: syz-executor.2 Not tainted 5.10.77-syzkaller-01258-g76698ea35fd3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0x14d0/0x23c0 drivers/scsi/scsi_lib.c:1670
Code: 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 a4 b7 c3 fe 4c 8b 3b 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 fe 0d 00 00 41 0f b6 1f bf 7f 00 00 00 89 de
RSP: 0018:ffffc900118f7210 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88810a934640 RCX: dffffc0000000000
RDX: ffff8881165e0000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900118f72d0 R08: ffffffff82e314c8 R09: ffff88810a934648
R10: ffffed10215268cc R11: 0000000000000000 R12: 1ffff110215268c6
R13: ffff888109f00000 R14: ffff88810a934634 R15: 0000000000000000
FS:  00007f09df024700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09df003718 CR3: 00000001192cd000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 blk_mq_dispatch_rq_list+0x9a4/0x1800 block/blk-mq.c:1373
 __blk_mq_sched_dispatch_requests+0x3c6/0x4d0 block/blk-mq-sched.c:308
 blk_mq_sched_dispatch_requests+0xf0/0x160 block/blk-mq-sched.c:341
 __blk_mq_run_hw_queue+0x14f/0x260 block/blk-mq.c:1517
 __blk_mq_delay_run_hw_queue+0x230/0x570 block/blk-mq.c:1594
 blk_mq_run_hw_queue+0x29d/0x3b0 block/blk-mq.c:1647
 blk_mq_sched_insert_request+0x3d7/0x520 block/blk-mq-sched.c:469
 blk_execute_rq_nowait block/blk-exec.c:64 [inline]
 blk_execute_rq+0x208/0x2f0 block/blk-exec.c:86
 sg_io+0x868/0xf90 block/scsi_ioctl.c:360
 scsi_cmd_ioctl+0x7de/0x1990 block/scsi_ioctl.c:809
 scsi_cmd_blk_ioctl+0x117/0x150 block/scsi_ioctl.c:867
 sd_ioctl_common drivers/scsi/sd.c:1591 [inline]
 sd_ioctl+0x156/0x210 drivers/scsi/sd.c:1781
 __blkdev_driver_ioctl block/ioctl.c:237 [inline]
 blkdev_ioctl+0x2c3/0x5f0 block/ioctl.c:632
 block_ioctl+0xaf/0xf0 fs/block_dev.c:1886
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0x115/0x190 fs/ioctl.c:739
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f09e12adae9
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:00007f09df024188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f09e13c0f60 RCX: 00007f09e12adae9
RDX: 0000000020002100 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 00007f09e1307f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0281208f R14: 00007f09df024300 R15: 0000000000022000
Modules linked in:
---[ end trace ad3e48ebbcb18892 ]---
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+0x14d0/0x23c0 drivers/scsi/scsi_lib.c:1670
Code: 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 a4 b7 c3 fe 4c 8b 3b 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 fe 0d 00 00 41 0f b6 1f bf 7f 00 00 00 89 de
RSP: 0018:ffffc900118f7210 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88810a934640 RCX: dffffc0000000000
RDX: ffff8881165e0000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900118f72d0 R08: ffffffff82e314c8 R09: ffff88810a934648
R10: ffffed10215268cc R11: 0000000000000000 R12: 1ffff110215268c6
R13: ffff888109f00000 R14: ffff88810a934634 R15: 0000000000000000
FS:  00007f09df024700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09df003718 CR3: 00000001192cd000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 7 bytes skipped:
   0:	df 80 3c 08 00 74    	filds  0x7400083c(%rax)
   6:	08 48 89             	or     %cl,-0x77(%rax)
   9:	df e8                	fucomip %st(0),%st
   b:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
   c:	b7 c3                	mov    $0xc3,%bh
   e:	fe 4c 8b 3b          	decb   0x3b(%rbx,%rcx,4)
  12:	4c 89 f8             	mov    %r15,%rax
  15:	48 c1 e8 03          	shr    $0x3,%rax
  19:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  20:	fc ff df
* 23:	8a 04 08             	mov    (%rax,%rcx,1),%al <-- trapping instruction
  26:	84 c0                	test   %al,%al
  28:	0f 85 fe 0d 00 00    	jne    0xe2c
  2e:	41 0f b6 1f          	movzbl (%r15),%ebx
  32:	bf 7f 00 00 00       	mov    $0x7f,%edi
  37:	89 de                	mov    %ebx,%esi