------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6309 Comm: syz.2.634 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 40 64 9b 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 00 65 9b 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 20 d0 58 91 e8 c6 80 23 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc900030e7300 EFLAGS: 00010246

RAX: 000000000000006e RBX: ffffffff8a9b8320 RCX: 0339a1cb23242500
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900030e73f0 R08: ffffffff8166892c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b8340
R13: ffffc900030e7320 R14: ffffffff8c1c5c54 R15: ffff8880745d26a8
FS:  00005555563f1500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3285ffff CR3: 0000000055d7d000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_cut_from_item+0x213e/0x2560 fs/reiserfs/stree.c:1729
 reiserfs_do_truncate+0xa12/0x15b0 fs/reiserfs/stree.c:1973
 reiserfs_truncate_file+0x638/0xda0 fs/reiserfs/inode.c:2318
 reiserfs_file_release+0x8c6/0xaa0 fs/reiserfs/file.c:109
 __fput+0x3fe/0x8e0 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa000e8e9f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce45d4bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fa00101ea80 RCX: 00007fa000e8e9f9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa00101ea80 R08: 00007fa001009000 R09: 00007ffce45d4ebf
R10: 00000000003ffd40 R11: 0000000000000246 R12: 000000000002ab21
R13: 00007ffce45d4cd0 R14: 00007ffce45d4cf0 R15: ffffffffffffffff
 </TASK>
Modules linked in:
---[ end trace efd21a5b4fbda913 ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 40 64 9b 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 00 65 9b 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 20 d0 58 91 e8 c6 80 23 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc900030e7300 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8a9b8320 RCX: 0339a1cb23242500
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900030e73f0 R08: ffffffff8166892c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b8340
R13: ffffc900030e7320 R14: ffffffff8c1c5c54 R15: ffff8880745d26a8
FS:  00005555563f1500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff700bfc178 CR3: 0000000055d7d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400