divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8578 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:flush_commit_list+0x951/0x1bf0 fs/reiserfs/journal.c:1051
Code: fc ff df 0f b6 04 18 84 c0 0f 85 b2 01 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 bf 01 00 00 41 8b 0f 48 89 e8 31 d2 <48> f7 f1 48 89 d5 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74
RSP: 0018:ffffc9000a2073c8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000a2c9408
RBP: 0000000000000000 R08: ffffc9000a2c940b R09: 1ffff92001459281
R10: dffffc0000000000 R11: fffff52001459282 R12: ffff888029bc5000
R13: 0000000000000000 R14: ffff888034724017 R15: ffff888034724014
FS:  00007f26263386c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae40ec56be CR3: 0000000079ea4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __commit_trans_jl fs/reiserfs/journal.c:3903 [inline]
 reiserfs_commit_for_inode+0x6ee/0xbe0 fs/reiserfs/journal.c:3927
 reiserfs_sync_file+0x124/0x270 fs/reiserfs/file.c:159
 generic_write_sync include/linux/fs.h:2584 [inline]
 generic_file_write_iter+0x2a1/0x310 mm/filemap.c:4094
 do_iter_write+0x84f/0xde0 fs/read_write.c:860
 iter_file_splice_write+0x86d/0x1010 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0xea/0x1c0 fs/splice.c:1142
 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1088
 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1194
 do_sendfile+0x623/0x1070 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 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: 0033:0x7f262567cae9
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:00007f26263380c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f262579bf80 RCX: 00007f262567cae9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f26256c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f262579bf80 R15: 00007ffd255355f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:flush_commit_list+0x951/0x1bf0 fs/reiserfs/journal.c:1051
Code: fc ff df 0f b6 04 18 84 c0 0f 85 b2 01 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 bf 01 00 00 41 8b 0f 48 89 e8 31 d2 <48> f7 f1 48 89 d5 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74
RSP: 0018:ffffc9000a2073c8 EFLAGS: 00010246

RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000a2c9408
RBP: 0000000000000000 R08: ffffc9000a2c940b R09: 1ffff92001459281
R10: dffffc0000000000 R11: fffff52001459282 R12: ffff888029bc5000
R13: 0000000000000000 R14: ffff888034724017 R15: ffff888034724014
FS:  00007f26263386c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8170978038 CR3: 0000000079ea4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	df 0f                	fisttps (%rdi)
   2:	b6 04                	mov    $0x4,%dh
   4:	18 84 c0 0f 85 b2 01 	sbb    %al,0x1b2850f(%rax,%rax,8)
   b:	00 00                	add    %al,(%rax)
   d:	4c 89 f0             	mov    %r14,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
  18:	84 c0                	test   %al,%al
  1a:	0f 85 bf 01 00 00    	jne    0x1df
  20:	41 8b 0f             	mov    (%r15),%ecx
  23:	48 89 e8             	mov    %rbp,%rax
  26:	31 d2                	xor    %edx,%edx
* 28:	48 f7 f1             	div    %rcx <-- trapping instruction
  2b:	48 89 d5             	mov    %rdx,%rbp
  2e:	49 83 c4 18          	add    $0x18,%r12
  32:	4c 89 e0             	mov    %r12,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  3d:	74                   	.byte 0x74