Oops: divide error: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 7468 Comm: syz.2.524 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:queue_limit_discard_alignment block/blk-settings.c:645 [inline]
RIP: 0010:queue_limit_discard_alignment block/blk-settings.c:632 [inline]
RIP: 0010:blk_stack_limits+0x105f/0x2110 block/blk-settings.c:916
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 98 0d 00 00 41 8b 45 74 c1 eb 09 31 d2 31 ff 89 de c1 e8 09 8d 0c 18 48 8b 44 24 48 <48> f7 f6 89 c8 44 89 e6 29 d0 31 d2 f7 f3 c1 e2 09 89 d5 e8 19 07
RSP: 0000:ffffc900069176f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 000000000000001f R12: 0000000000000000
R13: ffffc90006917848 R14: 00000000ffffffff R15: ffffc900069179e8
FS:  0000000000000000(0000) GS:ffff8880955c4000(0063) knlGS:00000000f5486b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c410003 CR3: 000000004657c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dm_calculate_queue_limits+0x38f/0xeb0 drivers/md/dm-table.c:1823
 dm_setup_md_queue+0xe2/0x550 drivers/md/dm.c:2618
 table_load+0x4e8/0x7b0 drivers/md/dm-ioctl.c:1661
 ctl_ioctl+0x4d2/0xcc0 drivers/md/dm-ioctl.c:2221
 dm_ctl_ioctl drivers/md/dm-ioctl.c:2243 [inline]
 dm_compat_ctl_ioctl+0x23/0x30 drivers/md/dm-ioctl.c:2249
 __do_compat_sys_ioctl fs/ioctl.c:695 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:638 [inline]
 __ia32_compat_sys_ioctl+0x2cf/0x360 fs/ioctl.c:638
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x14b/0x8c0 arch/x86/entry/syscall_32.c:282
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:307
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fd8fbc
Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8
RSP: 002b:00000000f548650c EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c138fd09
RDX: 00000000800006c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:queue_limit_discard_alignment block/blk-settings.c:645 [inline]
RIP: 0010:queue_limit_discard_alignment block/blk-settings.c:632 [inline]
RIP: 0010:blk_stack_limits+0x105f/0x2110 block/blk-settings.c:916
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 98 0d 00 00 41 8b 45 74 c1 eb 09 31 d2 31 ff 89 de c1 e8 09 8d 0c 18 48 8b 44 24 48 <48> f7 f6 89 c8 44 89 e6 29 d0 31 d2 f7 f3 c1 e2 09 89 d5 e8 19 07
RSP: 0000:ffffc900069176f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 000000000000001f R12: 0000000000000000
R13: ffffc90006917848 R14: 00000000ffffffff R15: ffffc900069179e8
FS:  0000000000000000(0000) GS:ffff8880955c4000(0063) knlGS:00000000f5486b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c410003 CR3: 000000004657c000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	83 e0 07             	and    $0x7,%eax
   3:	83 c0 03             	add    $0x3,%eax
   6:	38 d0                	cmp    %dl,%al
   8:	7c 08                	jl     0x12
   a:	84 d2                	test   %dl,%dl
   c:	0f 85 98 0d 00 00    	jne    0xdaa
  12:	41 8b 45 74          	mov    0x74(%r13),%eax
  16:	c1 eb 09             	shr    $0x9,%ebx
  19:	31 d2                	xor    %edx,%edx
  1b:	31 ff                	xor    %edi,%edi
  1d:	89 de                	mov    %ebx,%esi
  1f:	c1 e8 09             	shr    $0x9,%eax
  22:	8d 0c 18             	lea    (%rax,%rbx,1),%ecx
  25:	48 8b 44 24 48       	mov    0x48(%rsp),%rax
* 2a:	48 f7 f6             	div    %rsi <-- trapping instruction
  2d:	89 c8                	mov    %ecx,%eax
  2f:	44 89 e6             	mov    %r12d,%esi
  32:	29 d0                	sub    %edx,%eax
  34:	31 d2                	xor    %edx,%edx
  36:	f7 f3                	div    %ebx
  38:	c1 e2 09             	shl    $0x9,%edx
  3b:	89 d5                	mov    %edx,%ebp
  3d:	e8                   	.byte 0xe8
  3e:	19 07                	sbb    %eax,(%rdi)