------------[ cut here ]------------
kernel BUG at fs/reiserfs/stree.c:1568!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11386 Comm: syz-executor.3 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 e0 30 b9 ff 48 8b 54 24 28 e9 64 f5 ff ff e8 51 6b 6f ff <0f> 0b e8 4a 6b 6f ff 0f 0b e8 43 6b 6f ff 0f 0b e8 fc ab 0c 08 e8
RSP: 0018:ffffc900036c7300 EFLAGS: 00010287
RAX: ffffffff8210f18f RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e7fa000 RSI: 0000000000018f68 RDI: 0000000000018f69
RBP: ffffc900036c7830 R08: ffffffff8210d4b4 R09: ffffffff82105709
R10: 0000000000000002 R11: ffff888016c2bb80 R12: 0000000000000e5c
R13: 1ffff1100b704608 R14: 0000000000001000 R15: ffff888063284678
FS:  00007f541ec4b6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005e2fe000 CR4: 00000000003526e0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 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_setattr+0xa4d/0xf90 fs/reiserfs/inode.c:3409
 notify_change+0xc6d/0xf50 fs/attr.c:505
 do_truncate+0x21c/0x300 fs/open.c:65
 do_sys_ftruncate+0x2eb/0x390 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f54206f9ea9
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:00007f541ec4b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f5420828050 RCX: 00007f54206f9ea9
RDX: 0000000000000000 RSI: 0000000000000e5c RDI: 000000000000000b
RBP: 00007f54207464a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5420828050 R15: 00007fffa101f298
 </TASK>
Modules linked in:
---[ end trace 0faaf1339122020c ]---
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 e0 30 b9 ff 48 8b 54 24 28 e9 64 f5 ff ff e8 51 6b 6f ff <0f> 0b e8 4a 6b 6f ff 0f 0b e8 43 6b 6f ff 0f 0b e8 fc ab 0c 08 e8
RSP: 0018:ffffc900036c7300 EFLAGS: 00010287
RAX: ffffffff8210f18f RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e7fa000 RSI: 0000000000018f68 RDI: 0000000000018f69
RBP: ffffc900036c7830 R08: ffffffff8210d4b4 R09: ffffffff82105709
R10: 0000000000000002 R11: ffff888016c2bb80 R12: 0000000000000e5c
R13: 1ffff1100b704608 R14: 0000000000001000 R15: ffff888063284678
FS:  00007f541ec4b6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f26d000 CR3: 000000005e2fe000 CR4: 00000000003526e0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400