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 writeback data mode.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5315 at fs/jbd2/transaction.c:1552 jbd2_journal_dirty_metadata+0x978/0xcd0 fs/jbd2/transaction.c:1552
Modules linked in:
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:jbd2_journal_dirty_metadata+0x978/0xcd0 fs/jbd2/transaction.c:1552
Code: 24 41 89 e8 4d 89 f9 50 41 56 41 55 53 e8 00 3d a2 fe 48 83 c4 20 90 0f 0b 90 bb ea ff ff ff e9 09 fe ff ff e8 49 9d 3a ff 90 <0f> 0b 90 bb e4 ff ff ff e9 f6 fd ff ff 48 8b 44 24 28 48 83 c0 18
RSP: 0000:ffffc9000fd16598 EFLAGS: 00010246
RAX: ffffffff82855487 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000dc5a000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffff88805351e388 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001fa2ca4 R12: 1ffff11002386b57
R13: dffffc0000000000 R14: 1ffff1100a6a3c70 R15: 1ffff11002386b54
FS:  00007fc608f6f6c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc603df2fc8 CR3: 0000000041c04000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_journal_dirty+0x149/0x740 fs/ocfs2/journal.c:834
 ocfs2_block_group_set_bits+0x71e/0x9a0 fs/ocfs2/suballoc.c:1432
 ocfs2_search_chain+0x1aa9/0x2430 fs/ocfs2/suballoc.c:1914
 ocfs2_claim_suballoc_bits+0x9d6/0x2450 fs/ocfs2/suballoc.c:2000
 __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421
 ocfs2_make_clusters_writable fs/ocfs2/refcounttree.c:3243 [inline]
 ocfs2_replace_cow+0x94b/0x1b90 fs/ocfs2/refcounttree.c:3346
 ocfs2_refcount_cow_hunk fs/ocfs2/refcounttree.c:3424 [inline]
 ocfs2_refcount_cow+0x779/0xc90 fs/ocfs2/refcounttree.c:3467
 ocfs2_prepare_inode_for_write fs/ocfs2/file.c:2340 [inline]
 ocfs2_file_write_iter+0xe28/0x1d10 fs/ocfs2/file.c:2451
 iter_file_splice_write+0x937/0x1000 fs/splice.c:738
 do_splice_from fs/splice.c:935 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1158
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1102
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368
 __do_sys_sendfile64 fs/read_write.c:1429 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc60818e969
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:00007fc608f6f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc6083b5fa0 RCX: 00007fc60818e969
RDX: 0000000000000000 RSI: 000000000000000d RDI: 000000000000000d
RBP: 00007fc608210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc6083b5fa0 R15: 00007ffea9102b78
 </TASK>