loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.13.0-rc4-syzkaller-00110-g4099a71718b0 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_ocfs2_free_suballoc_bits+0x1183/0x1470 fs/ocfs2/suballoc.c:2542
Code: f9 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 9b 33 6a fe 48 89 df e9 ec fb ff ff e8 fe ca 03 fe 90 <0f> 0b e8 f6 ca 03 fe 90 0f 0b f3 0f 1e fa 65 44 8b 3d 13 2d 68 7c
RSP: 0018:ffffc9000d2e74e0 EFLAGS: 00010293
RAX: ffffffff839ba8e2 RBX: 00000000ffffffff RCX: ffff8880001e2440
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000d2e7688 R08: ffffffff839b985e R09: 0000000000000008
R10: dffffc0000000000 R11: fffffbfff2032fcf R12: 0000000000000008
R13: ffff888043f22bc8 R14: ffff888043b74e00 R15: dffffc0000000000
FS:  00007f77d706d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000040112000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5ef/0xac0 fs/ocfs2/suballoc.c:2646
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
 __ocfs2_flush_truncate_log+0x760/0x1240 fs/ocfs2/alloc.c:6054
 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
 ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402
 sync_filesystem+0x1c8/0x230 fs/sync.c:66
 ocfs2_remount+0x103/0xc30 fs/ocfs2/super.c:611
 reconfigure_super+0x43a/0x870 fs/super.c:1083
 do_remount fs/namespace.c:3047 [inline]
 path_mount+0xc22/0xfa0 fs/namespace.c:3826
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77d61874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f77d706ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f77d706cef0 RCX: 00007f77d61874ca
RDX: 0000000020000f40 RSI: 0000000020000f00 RDI: 0000000000000000
RBP: 0000000020000f40 R08: 00007f77d706cef0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000000020000f00
R13: 00007f77d706ceb0 R14: 0000000000000000 R15: 0000000020000100
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x1183/0x1470 fs/ocfs2/suballoc.c:2542
Code: f9 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 fb e8 9b 33 6a fe 48 89 df e9 ec fb ff ff e8 fe ca 03 fe 90 <0f> 0b e8 f6 ca 03 fe 90 0f 0b f3 0f 1e fa 65 44 8b 3d 13 2d 68 7c
RSP: 0018:ffffc9000d2e74e0 EFLAGS: 00010293
RAX: ffffffff839ba8e2 RBX: 00000000ffffffff RCX: ffff8880001e2440
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000d2e7688 R08: ffffffff839b985e R09: 0000000000000008
R10: dffffc0000000000 R11: fffffbfff2032fcf R12: 0000000000000008
R13: ffff888043f22bc8 R14: ffff888043b74e00 R15: dffffc0000000000
FS:  00007f77d706d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000040112000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400