------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1349!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4416 Comm: syz.3.24 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ocfs2_block_group_set_bits+0x585/0x6b0 fs/ocfs2/suballoc.c:1349
Code: ff 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 43 fd ff ff 4c 89 e7 e8 6c ea 95 fe e9 36 fd ff ff e8 a2 de 50 fe 0f 0b e8 9b de 50 fe <0f> 0b 65 44 8b 25 a9 d1 d9 7c bf 07 00 00 00 44 89 e6 e8 e4 e1 50
RSP: 0018:ffffc900046ef3a0 EFLAGS: 00010246
RAX: ffffffff832843a5 RBX: 000000000000007f RCX: 0000000000080000
RDX: ffffc9000f26b000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900046ef490 R08: 0000000000000007 R09: 000000000000007f
R10: 00000000fffffffc R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000007 R14: ffff888059785000 R15: 000000000000006b
FS:  00007f4eadde16c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2c81d8000 CR3: 0000000075136000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_move_extent fs/ocfs2/move_extents.c:693 [inline]
 __ocfs2_move_extents_range+0x2a0f/0x35d0 fs/ocfs2/move_extents.c:866
 ocfs2_move_extents+0x3ad/0x9c0 fs/ocfs2/move_extents.c:938
 ocfs2_ioctl_move_extents+0x523/0x6c0 fs/ocfs2/move_extents.c:1064
 ocfs2_ioctl+0x31f/0x7a0 fs/ocfs2/ioctl.c:931
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4eafba7f79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4eadde1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4eafe22090 RCX: 00007f4eafba7f79
RDX: 00002000000000c0 RSI: 0000000040406f06 RDI: 0000000000000005
RBP: 00007f4eafc3e7e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4eafe22128 R14: 00007f4eafe22090 R15: 00007ffed7afbc68
 </TASK>
Modules linked in:
---[ end trace 12819a851b738bbf ]---
RIP: 0010:ocfs2_block_group_set_bits+0x585/0x6b0 fs/ocfs2/suballoc.c:1349
Code: ff 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 43 fd ff ff 4c 89 e7 e8 6c ea 95 fe e9 36 fd ff ff e8 a2 de 50 fe 0f 0b e8 9b de 50 fe <0f> 0b 65 44 8b 25 a9 d1 d9 7c bf 07 00 00 00 44 89 e6 e8 e4 e1 50
RSP: 0018:ffffc900046ef3a0 EFLAGS: 00010246
RAX: ffffffff832843a5 RBX: 000000000000007f RCX: 0000000000080000
RDX: ffffc9000f26b000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900046ef490 R08: 0000000000000007 R09: 000000000000007f
R10: 00000000fffffffc R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000007 R14: ffff888059785000 R15: 000000000000006b
FS:  00007f4eadde16c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2c81d8000 CR3: 0000000075136000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400