| 0| *3.6* [2 5 0x0 SD], item_len 44, item_location 4052, free_space(entry_count) 65535 |
	mode | size | nlinks | first direct | mtime
	0100000 |      4 |  1 | 0 | 1762770591
===================================================================
REISERFS panic (device loop3): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 5 0x1 IND])
------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6486 Comm: syz.3.155 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 00 82 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 c0 82 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 20 a1 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 53 7a 21 f7 48 c7 c7 40 8b bc 8a
RSP: 0018:ffffc900032d6f20 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8c7024eb RCX: 3531d45fce02ca00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900032d7010 R08: ffffffff90da866f R09: 1ffffffff21b50cd
R10: dffffc0000000000 R11: fffffbfff21b50ce R12: ffffffff8abca080
R13: ffffc900032d6f40 R14: ffffffff8abca060 R15: ffff888021fd0660
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f2adb4f98 CR3: 000000007a8bb000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 reiserfs_cut_from_item+0x1954/0x1f10 fs/reiserfs/stree.c:1727
 reiserfs_do_truncate+0xa3d/0x1340 fs/reiserfs/stree.c:1971
 reiserfs_truncate_file+0x37a/0x7c0 fs/reiserfs/inode.c:2306
 reiserfs_file_release+0x8e4/0xa50 fs/reiserfs/file.c:109
 __fput+0x234/0x970 fs/file_table.c:384
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x90b/0x23c0 kernel/exit.c:883
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024
 get_signal+0x12fc/0x1400 kernel/signal.c:2902
 arch_do_signal_or_restart+0x9c/0x7b0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9a6f5c1f85
Code: Unable to access opcode bytes at 0x7f9a6f5c1f5b.
RSP: 002b:00007f9a704bdf80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f9a6f7e5fa0 RCX: 00007f9a6f5c1f85
RDX: 00007f9a704bdfc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f9a6f611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f9a6f7e6038 R14: 00007f9a6f7e5fa0 R15: 00007ffce3890028
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x13e/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 00 82 bc 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 c0 82 bc 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 20 a1 fd 96 e8 12 66 ff ff <0f> 0b 66 0f 1f 00 53 48 89 fb e8 53 7a 21 f7 48 c7 c7 40 8b bc 8a
RSP: 0018:ffffc900032d6f20 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8c7024eb RCX: 3531d45fce02ca00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900032d7010 R08: ffffffff90da866f R09: 1ffffffff21b50cd
R10: dffffc0000000000 R11: fffffbfff21b50ce R12: ffffffff8abca080
R13: ffffc900032d6f40 R14: ffffffff8abca060 R15: ffff888021fd0660
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fe9a0 CR3: 000000007c436000 CR4: 00000000003506f0