------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1451!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 10261 Comm: syz.5.936 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1451
Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 0e 97 76 fe 89 de e9 a7 fe ff ff e8 f2 ed 0f fe 90 0f 0b e8 ea ed 0f fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d b0 e5 ed 0e bf 07 00 00 00 89 de e8 10
RSP: 0018:ffffc900051df3e0 EFLAGS: 00010246
RAX: ffffffff83b1ca76 RBX: 0000000000000046 RCX: 0000000000080000
RDX: ffffc900115e4000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900051df500 R08: 00000000000003f7 R09: 00000000000000bf
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff11002275801
R13: 00000000000000bf R14: ffff888056d8cfb8 R15: dffffc0000000000
FS:  00007fc53c3a86c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdab8ac030 CR3: 00000000628de000 CR4: 00000000003526f0
DR0: 0000000000000003 DR1: 00000000000001f8 DR2: 000000000000008e
DR3: 000000000000057a DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_move_extent fs/ocfs2/move_extents.c:693 [inline]
 __ocfs2_move_extents_range fs/ocfs2/move_extents.c:865 [inline]
 ocfs2_move_extents+0x2c39/0x3dd0 fs/ocfs2/move_extents.c:937
 ocfs2_ioctl_move_extents+0x568/0x740 fs/ocfs2/move_extents.c:1069
 ocfs2_ioctl+0x191/0x750 fs/ocfs2/ioctl.c:942
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc53b58f749
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:00007fc53c3a8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc53b7e6090 RCX: 00007fc53b58f749
RDX: 00002000000000c0 RSI: 0000000040406f06 RDI: 0000000000000005
RBP: 00007fc53b613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc53b7e6128 R14: 00007fc53b7e6090 R15: 00007fff7f414518
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1451
Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 0e 97 76 fe 89 de e9 a7 fe ff ff e8 f2 ed 0f fe 90 0f 0b e8 ea ed 0f fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d b0 e5 ed 0e bf 07 00 00 00 89 de e8 10
RSP: 0018:ffffc900051df3e0 EFLAGS: 00010246

RAX: ffffffff83b1ca76 RBX: 0000000000000046 RCX: 0000000000080000
RDX: ffffc900115e4000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900051df500 R08: 00000000000003f7 R09: 00000000000000bf
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff11002275801
R13: 00000000000000bf R14: ffff888056d8cfb8 R15: dffffc0000000000
FS:  00007fc53c3a86c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f92ac3b7198 CR3: 00000000628de000 CR4: 00000000003526f0
DR0: 0000000000000003 DR1: 00000000000001f8 DR2: 000000000000008e
DR3: 000000000000057a DR6: 00000000ffff0ff0 DR7: 0000000000000400