------------[ cut here ]------------
kernel BUG at fs/reiserfs/stree.c:1568!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6881 Comm: syz-executor.0 Not tainted 5.15.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:maybe_indirect_to_direct fs/reiserfs/stree.c:1568 [inline]
RIP: 0010:reiserfs_cut_from_item+0x22ff/0x2560 fs/reiserfs/stree.c:1694
Code: 44 89 e1 80 e1 07 38 c1 0f 8c 7b f5 ff ff be 04 00 00 00 4c 89 e7 e8 70 a0 b9 ff 48 8b 54 24 28 e9 64 f5 ff ff e8 b1 e5 6f ff <0f> 0b e8 aa e5 6f ff 0f 0b e8 a3 e5 6f ff 0f 0b e8 9c 98 0b 08 e8
RSP: 0018:ffffc900082f7400 EFLAGS: 00010283
RAX: ffffffff82103fdf RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000386c000 RSI: 000000000000b403 RDI: 000000000000b404
RBP: ffffc900082f7930 R08: ffffffff82102304 R09: ffffffff820fa559
R10: 0000000000000002 R11: ffff88801d063b80 R12: 0000000000000d1a
R13: 1ffff11007699958 R14: 0000000000001000 R15: ffff88803b98a678
FS:  00007fb74aafc6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3012e000 CR3: 00000000199c3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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+0x3bf/0x890 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:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb74c59bae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb74aafc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
RAX: 0000000000000004 RBX: 00007fb74c6bb050 RCX: 00007fb74c59bae9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007fb74c5e747a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fb74c6bb050 R15: 00007ffea77c6b68
 </TASK>
Modules linked in:
---[ end trace 85358d2aba09129f ]---
RIP: 0010:maybe_indirect_to_direct fs/reiserfs/stree.c:1568 [inline]
RIP: 0010:reiserfs_cut_from_item+0x22ff/0x2560 fs/reiserfs/stree.c:1694
Code: 44 89 e1 80 e1 07 38 c1 0f 8c 7b f5 ff ff be 04 00 00 00 4c 89 e7 e8 70 a0 b9 ff 48 8b 54 24 28 e9 64 f5 ff ff e8 b1 e5 6f ff <0f> 0b e8 aa e5 6f ff 0f 0b e8 a3 e5 6f ff 0f 0b e8 9c 98 0b 08 e8
RSP: 0018:ffffc900082f7400 EFLAGS: 00010283
RAX: ffffffff82103fdf RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000386c000 RSI: 000000000000b403 RDI: 000000000000b404
RBP: ffffc900082f7930 R08: ffffffff82102304 R09: ffffffff820fa559
R10: 0000000000000002 R11: ffff88801d063b80 R12: 0000000000000d1a
R13: 1ffff11007699958 R14: 0000000000001000 R15: ffff88803b98a678
FS:  00007fb74aafc6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556a73788 CR3: 00000000199c3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400