REISERFS panic (device loop4): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 5 0x1 IND])
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kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12192 Comm: syz.4.2016 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:ffffc900034f7300 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8a9b8320 RCX: 5b3b732ee962c500
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900034f73f0 R08: ffffffff8166892c R09: ffffed10173467a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b8340
R13: ffffc900034f7320 R14: ffffffff8c1c5c54 R15: ffff88801d3946a8
FS:  0000555557340500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f504b5b65c0 CR3: 0000000063df3000 CR4: 00000000003506f0
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: 0033:0x7f722b5d5299
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:00007fff91ce7d08 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f722b765a80 RCX: 00007f722b5d5299
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f722b765a80 R08: 0000000000000006 R09: 00007fff91ce7fef
R10: 00000000003ffb80 R11: 0000000000000246 R12: 0000000000086529
R13: 00007fff91ce7e00 R14: 00007fff91ce7e20 R15: ffffffffffffffff
 </TASK>
Modules linked in:
---[ end trace 40eb2b6037d8e461 ]---
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:ffffc900034f7300 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8a9b8320 RCX: 5b3b732ee962c500
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900034f73f0 R08: ffffffff8166892c R09: ffffed10173467a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b8340
R13: ffffc900034f7320 R14: ffffffff8c1c5c54 R15: ffff88801d3946a8
FS:  0000555557340500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f504b5b65c0 CR3: 0000000063df3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400