------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:5581!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6937 Comm: syz.6.114 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ocfs2_remove_extent+0x1ecf/0x2020 fs/ocfs2/alloc.c:5581
Code: fa ff ff 48 8b 4c 24 08 80 e1 07 fe c1 38 c1 0f 8c 95 fa ff ff 48 8b 7c 24 08 e8 0c 9e 8e fe e9 86 fa ff ff e8 22 b7 2e fe 90 <0f> 0b f3 0f 1e fa 44 89 6c 24 10 65 8b 1d 93 21 0b 0f bf 07 00 00
RSP: 0018:ffffc90003316980 EFLAGS: 00010293
RAX: ffffffff83916e8e RBX: ffffc90003317178 RCX: ffff88802692da00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004
RBP: ffffc90003316cd0 R08: ffff88802692da00 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff1100fd3d29a
R13: 0000000000000004 R14: ffff88807e9e94d0 R15: dffffc0000000000
FS:  00007fecc6a1e6c0(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fecc6a1df98 CR3: 0000000034be6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ocfs2_remove_btree_range+0xdef/0x1540 fs/ocfs2/alloc.c:5778
 ocfs2_commit_truncate+0xb64/0x21d0 fs/ocfs2/alloc.c:7373
 ocfs2_truncate_file+0xca2/0x1420 fs/ocfs2/file.c:509
 ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212
 notify_change+0xb33/0xe40 fs/attr.c:552
 do_truncate+0x1a4/0x220 fs/open.c:68
 handle_truncate fs/namei.c:3517 [inline]
 do_open fs/namei.c:3900 [inline]
 path_openat+0x306c/0x3830 fs/namei.c:4055
 do_filp_open+0x1fa/0x410 fs/namei.c:4082
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_open fs/open.c:1460 [inline]
 __se_sys_open fs/open.c:1456 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1456
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fecc5b8e9a9
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:00007fecc6a1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fecc5db6160 RCX: 00007fecc5b8e9a9
RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140
RBP: 00007fecc5c10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fecc5db6160 R15: 00007ffc071df158
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_remove_extent+0x1ecf/0x2020 fs/ocfs2/alloc.c:5581
Code: fa ff ff 48 8b 4c 24 08 80 e1 07 fe c1 38 c1 0f 8c 95 fa ff ff 48 8b 7c 24 08 e8 0c 9e 8e fe e9 86 fa ff ff e8 22 b7 2e fe 90 <0f> 0b f3 0f 1e fa 44 89 6c 24 10 65 8b 1d 93 21 0b 0f bf 07 00 00
RSP: 0018:ffffc90003316980 EFLAGS: 00010293
RAX: ffffffff83916e8e RBX: ffffc90003317178 RCX: ffff88802692da00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004
RBP: ffffc90003316cd0 R08: ffff88802692da00 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff1100fd3d29a
R13: 0000000000000004 R14: ffff88807e9e94d0 R15: dffffc0000000000
FS:  00007fecc6a1e6c0(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055906fef7000 CR3: 0000000034be6000 CR4: 00000000003526f0