BTRFS info (device loop2): using free space tree
BTRFS info (device loop2): enabling ssd optimizations
divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13319 Comm: syz-executor.2 Not tainted 6.6.0-rc6-syzkaller-00334-g1acfd2bd3f0d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:do_journal_end+0x129e/0x4770 fs/reiserfs/journal.c:4096
Code: 28 84 c0 0f 85 00 2f 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 07 2f 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c
RSP: 0018:ffffc90002d8fa00 EFLAGS: 00010246
RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888050b30000
RBP: ffffc90002d8fc70 R08: ffff888050b30fff R09: 0000000000000000
R10: ffff888050b30000 R11: ffffed100a166200 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff8880483c8017 R15: ffff8880483c8014
FS:  00007f8fdc9176c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb12d611c0 CR3: 0000000013282000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_sync_fs+0xce/0x150 fs/reiserfs/super.c:78
 dquot_quota_sync+0xdb/0x490 fs/quota/dquot.c:753
 iterate_supers+0xc2/0x180 fs/super.c:968
 quota_sync_all fs/quota/quota.c:69 [inline]
 __do_sys_quotactl fs/quota/quota.c:938 [inline]
 __se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8fdbc7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8fdc9170c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f8fdbd9bf80 RCX: 00007f8fdbc7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100
RBP: 00007f8fdbcc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8fdbd9bf80 R15: 00007ffc60b7d478
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_end+0x129e/0x4770 fs/reiserfs/journal.c:4096
Code: 28 84 c0 0f 85 00 2f 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 07 2f 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c
RSP: 0018:ffffc90002d8fa00 EFLAGS: 00010246
RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888050b30000
RBP: ffffc90002d8fc70 R08: ffff888050b30fff R09: 0000000000000000
R10: ffff888050b30000 R11: ffffed100a166200 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff8880483c8017 R15: ffff8880483c8014
FS:  00007f8fdc9176c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005648d884d668 CR3: 0000000013282000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	28 84 c0 0f 85 00 2f 	sub    %al,0x2f00850f(%rax,%rax,8)
   7:	00 00                	add    %al,(%rax)
   9:	4d 8d 64 1c 01       	lea    0x1(%r12,%rbx,1),%r12
   e:	4c 89 f0             	mov    %r14,%rax
  11:	48 c1 e8 03          	shr    $0x3,%rax
  15:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  1a:	84 c0                	test   %al,%al
  1c:	0f 85 07 2f 00 00    	jne    0x2f29
  22:	41 8b 0f             	mov    (%r15),%ecx
  25:	4c 89 e0             	mov    %r12,%rax
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	48 89 d3             	mov    %rdx,%rbx
  30:	48 03 5c 24 20       	add    0x20(%rsp),%rbx
  35:	48 8b 84 24 d8 00 00 	mov    0xd8(%rsp),%rax
  3c:	00
  3d:	42                   	rex.X
  3e:	80                   	.byte 0x80
  3f:	3c                   	.byte 0x3c