------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 22883 Comm: syz-executor.1 Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:__reiserfs_panic+0x12f/0x140 fs/reiserfs/prints.c:390
Code: 00 51 03 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 c0 51 03 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 40 86 16 92 31 c0 e8 71 3b 83 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffffc9000623e5e0 EFLAGS: 00010246
RAX: 0000000000000049 RBX: ffffffff8b02e560 RCX: eb2888dd08ab2b00
RDX: ffffc9000c0c4000 RSI: 0000000000005a66 RDI: 0000000000005a67
RBP: ffffc9000623e6d0 R08: ffffffff816f2b8d R09: fffff52000c47c75
R10: fffff52000c47c75 R11: 1ffff92000c47c74 R12: ffffffff8b02e580
R13: ffffc9000623e600 R14: ffffffff8cc756a0 R15: ffff8880798786a8
FS:  00007f2b48e3f700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555e0d888 CR3: 000000007613c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 balance_leaf+0x109eb/0x123a0 fs/reiserfs/do_balan.c:1439
 do_balance+0x2d6/0x8d0 fs/reiserfs/do_balan.c:1888
 reiserfs_insert_item+0xb54/0xcb0 fs/reiserfs/stree.c:2261
 add_save_link+0x44e/0x780 fs/reiserfs/super.c:495
 reiserfs_truncate_file+0x459/0x790 fs/reiserfs/inode.c:2309
 reiserfs_setattr+0xd73/0x1200 fs/reiserfs/inode.c:3395
 notify_change+0xe50/0x1100 fs/attr.c:482
 do_truncate+0x200/0x2f0 fs/open.c:65
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x272b/0x2dd0 fs/namei.c:3714
 do_filp_open+0x264/0x4f0 fs/namei.c:3741
 do_sys_openat2+0x124/0x4e0 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_creat fs/open.c:1402 [inline]
 __se_sys_creat fs/open.c:1396 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1396
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2b4808c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2b48e3f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f2b481abf80 RCX: 00007f2b4808c0c9
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000020000040
RBP: 00007f2b480e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb58cb94f R14: 00007f2b48e3f300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x12f/0x140 fs/reiserfs/prints.c:390
Code: 00 51 03 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 c0 51 03 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 40 86 16 92 31 c0 e8 71 3b 83 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffffc9000623e5e0 EFLAGS: 00010246

RAX: 0000000000000049 RBX: ffffffff8b02e560 RCX: eb2888dd08ab2b00
RDX: ffffc9000c0c4000 RSI: 0000000000005a66 RDI: 0000000000005a67
RBP: ffffc9000623e6d0 R08: ffffffff816f2b8d R09: fffff52000c47c75
R10: fffff52000c47c75 R11: 1ffff92000c47c74 R12: ffffffff8b02e580
R13: ffffc9000623e600 R14: ffffffff8cc756a0 R15: ffff8880798786a8
FS:  00007f2b48e3f700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a055c5fc0 CR3: 000000007613c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400