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kernel BUG at fs/ocfs2/suballoc.c:1382!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7840 Comm: syz.0.256 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : ocfs2_block_group_set_bits+0x780/0x8e8 fs/ocfs2/suballoc.c:1382
lr : ocfs2_block_group_set_bits+0x780/0x8e8 fs/ocfs2/suballoc.c:1382
sp : ffff80009dc271c0
x29: ffff80009dc27280 x28: ffff0000f6536c38 x27: ffff0000dc3c8000
x26: ffff0000c158a108 x25: ffff000100ac0000 x24: 1ffff00013b84e44
x23: ffff000100ac000c x22: dfff800000000000 x21: 0000000000000003
x20: 0000000000000004 x19: 0000000000000000 x18: 1fffe000337d4a90
x17: ffff80008f5ae000 x16: ffff80008add1148 x15: 0000000000000001
x14: 0000000000000000 x13: 00000000fffffffc x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cbc89ec0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000004 x4 : 00000000000003e2 x3 : ffff0000cb780658
x2 : ffff000100ac0000 x1 : 0000000000000003 x0 : 0000000000000004
Call trace:
 ocfs2_block_group_set_bits+0x780/0x8e8 fs/ocfs2/suballoc.c:1382 (P)
 ocfs2_move_extent fs/ocfs2/move_extents.c:687 [inline]
 __ocfs2_move_extents_range+0x1f28/0x28c4 fs/ocfs2/move_extents.c:859
 ocfs2_move_extents+0x314/0x7f0 fs/ocfs2/move_extents.c:931
 ocfs2_ioctl_move_extents+0x424/0x5f0 fs/ocfs2/move_extents.c:1057
 ocfs2_ioctl+0x1c4/0x738 fs/ocfs2/ioctl.c:942
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: 17ffffa8 979532f6 d4210000 979532f4 (d4210000) 
---[ end trace 0000000000000000 ]---