| 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 | 1762933894
===================================================================
REISERFS panic (device loop0): 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: 0 PID: 6603 Comm: syz.0.17 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:ffffc900035f7300 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8c7024eb RCX: 8503659a69e0e000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900035f73f0 R08: ffffc900035f7007 R09: 1ffff920006bee00
R10: dffffc0000000000 R11: fffff520006bee01 R12: ffffffff8abca080
R13: ffffc900035f7320 R14: ffffffff8abca060 R15: ffff888028b06660
FS:  000055556ba70500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c3500e3950 CR3: 0000000061e8e000 CR4: 00000000003506f0
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
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 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: 0033:0x7fd15858f6c9
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:00007ffe6238e868 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000001f460 RCX: 00007fd15858f6c9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fd1587e7da0 R08: 0000000000000001 R09: 000000056238eb5f
R10: 0000001b2d720000 R11: 0000000000000246 R12: 00007fd1587e5fac
R13: 00007fd1587e5fa0 R14: ffffffffffffffff R15: 00007ffe6238e980
 </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:ffffc900035f7300 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8c7024eb RCX: 8503659a69e0e000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900035f73f0 R08: ffffc900035f7007 R09: 1ffff920006bee00
R10: dffffc0000000000 R11: fffff520006bee01 R12: ffffffff8abca080
R13: ffffc900035f7320 R14: ffffffff8abca060 R15: ffff888028b06660
FS:  000055556ba70500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c3500e3950 CR3: 0000000061e8e000 CR4: 00000000003506f0