divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 28956 Comm: syz-executor.5 Not tainted 6.7.0-rc2-syzkaller-00095-gd3fa86b1a7b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:flush_journal_list+0x1045/0x1c80 fs/reiserfs/journal.c:1591
Code: c0 0f 85 eb 0a 00 00 4f 8d 7c 3e 02 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 4d 89 e6 0f 85 ee 0a 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 43 0f b6 44 35 00 84 c0 0f 85 f2 0a 00 00 48 8b
RSP: 0018:ffffc9000a5cf1f8 EFLAGS: 00010246
RAX: 00000000000001e6 RBX: ffff888081b9e014 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888081b9e017 R08: ffffffff823a56db R09: 1ffff11007a97063
R10: dffffc0000000000 R11: ffffed1007a97064 R12: dffffc0000000000
R13: 1ffff11005282617 R14: dffffc0000000000 R15: 00000000000001e6
FS: 00007f5d2b23c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000203c1000 CR3: 000000001d57d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
flush_used_journal_lists+0x1256/0x15d0 fs/reiserfs/journal.c:1828
do_journal_end+0x3d5a/0x4b50
do_journal_begin_r+0x970/0x1030
journal_begin+0x14c/0x360 fs/reiserfs/journal.c:3254
reiserfs_fill_super+0x1853/0x2620 fs/reiserfs/super.c:2104
mount_bdev+0x237/0x300 fs/super.c:1650
legacy_get_tree+0xef/0x190 fs/fs_context.c:662
vfs_get_tree+0x8c/0x2a0 fs/super.c:1771
do_new_mount+0x28f/0xae0 fs/namespace.c:3337
do_mount fs/namespace.c:3677 [inline]
__do_sys_mount fs/namespace.c:3886 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f5d2a47e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f5d2b23bee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5d2b23bf80 RCX: 00007f5d2a47e1ea
RDX: 0000000020001100 RSI: 0000000020000000 RDI: 00007f5d2b23bf40
RBP: 0000000020001100 R08: 00007f5d2b23bf80 R09: 0000000000000804
R10: 0000000000000804 R11: 0000000000000202 R12: 0000000020000000
R13: 00007f5d2b23bf40 R14: 00000000000010fe R15: 0000000020000100
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:flush_journal_list+0x1045/0x1c80 fs/reiserfs/journal.c:1591
Code: c0 0f 85 eb 0a 00 00 4f 8d 7c 3e 02 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 4d 89 e6 0f 85 ee 0a 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 43 0f b6 44 35 00 84 c0 0f 85 f2 0a 00 00 48 8b
RSP: 0018:ffffc9000a5cf1f8 EFLAGS: 00010246
RAX: 00000000000001e6 RBX: ffff888081b9e014 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888081b9e017 R08: ffffffff823a56db R09: 1ffff11007a97063
R10: dffffc0000000000 R11: ffffed1007a97064 R12: dffffc0000000000
R13: 1ffff11005282617 R14: dffffc0000000000 R15: 00000000000001e6
FS: 00007f5d2b23c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557375788 CR3: 000000001d57d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: c0 0f 85 rorb $0x85,(%rdi)
3: eb 0a jmp 0xf
5: 00 00 add %al,(%rax)
7: 4f 8d 7c 3e 02 lea 0x2(%r14,%r15,1),%r15
c: 48 89 e8 mov %rbp,%rax
f: 48 c1 e8 03 shr $0x3,%rax
13: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax
18: 84 c0 test %al,%al
1a: 4d 89 e6 mov %r12,%r14
1d: 0f 85 ee 0a 00 00 jne 0xb11
23: 8b 0b mov (%rbx),%ecx
25: 4c 89 f8 mov %r15,%rax
28: 31 d2 xor %edx,%edx
* 2a: 48 f7 f1 div %rcx <-- trapping instruction
2d: 48 89 d3 mov %rdx,%rbx
30: 43 0f b6 44 35 00 movzbl 0x0(%r13,%r14,1),%eax
36: 84 c0 test %al,%al
38: 0f 85 f2 0a 00 00 jne 0xb30
3e: 48 rex.W
3f: 8b .byte 0x8b