loop0: detected capacity change from 0 to 32768
(syz.0.0,5320,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
(syz.0.0,5320,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
(syz.0.0,5320,0):ocfs2_read_blocks_sync:112 ERROR: status = -12
(syz.0.0,5320,0):update_backups:196 ERROR: status = -12
ocfs2: Failed to update super blocks on 7,0 during fs resize. This condition is not fatal, but fsck.ocfs2 should be run to fix it
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2584!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller-00002-gb36ddb9210e6 #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:_ocfs2_free_suballoc_bits+0x1176/0x1330 fs/ocfs2/suballoc.c:2584
Code: e7 e8 8e da 7f fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 35 9f 00 00 e9 10 01 00 00 e8 0b e0 1d fe 90 <0f> 0b e8 03 e0 1d fe 90 0f 0b f3 0f 1e fa 65 8b 1d 59 ce d3 0e bf
RSP: 0018:ffffc9000d376b20 EFLAGS: 00010287
RAX: ffffffff83a211c5 RBX: 0000000000000200 RCX: 0000000000100000
RDX: ffffc9000e0aa000 RSI: 0000000000015e7d RDI: 0000000000015e7e
RBP: ffffc9000d376cc8 R08: ffffffff8f7f3377 R09: 1ffffffff1efe66e
R10: dffffc0000000000 R11: fffffbfff1efe66f R12: ffff8880444eb488
R13: dffffc0000000000 R14: 00000000000001ff R15: ffff888044574fb8
FS:  00007f907b1f56c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001300 CR3: 0000000042d10000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _ocfs2_free_clusters+0x5e4/0xa70 fs/ocfs2/suballoc.c:2672
 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5979 [inline]
 __ocfs2_flush_truncate_log+0x706/0x10e0 fs/ocfs2/alloc.c:6062
 ocfs2_remove_btree_range+0x704/0x1540 fs/ocfs2/alloc.c:5753
 ocfs2_remove_inode_range+0xe60/0x2430 fs/ocfs2/file.c:1907
 __ocfs2_change_file_space+0x823/0xe80 fs/ocfs2/file.c:2028
 ocfs2_fallocate+0x1f5/0x240 fs/ocfs2/file.c:2138
 vfs_fallocate+0x6a3/0x830 fs/open.c:338
 madvise_remove mm/madvise.c:1034 [inline]
 madvise_vma_behavior mm/madvise.c:1263 [inline]
 madvise_walk_vmas mm/madvise.c:1530 [inline]
 madvise_do_behavior+0x1749/0x3500 mm/madvise.c:1695
 do_madvise mm/madvise.c:1782 [inline]
 __do_sys_madvise mm/madvise.c:1790 [inline]
 __se_sys_madvise mm/madvise.c:1788 [inline]
 __x64_sys_madvise+0x10c/0x150 mm/madvise.c:1788
 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: 0033:0x7f907ed8e969
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:00007f907b1f5038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f907efb5fa0 RCX: 00007f907ed8e969
RDX: 0000000000000009 RSI: 000000000060000b RDI: 0000200000000000
RBP: 00007f907ee10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f907efb5fa0 R15: 00007ffed37542a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x1176/0x1330 fs/ocfs2/suballoc.c:2584
Code: e7 e8 8e da 7f fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 35 9f 00 00 e9 10 01 00 00 e8 0b e0 1d fe 90 <0f> 0b e8 03 e0 1d fe 90 0f 0b f3 0f 1e fa 65 8b 1d 59 ce d3 0e bf
RSP: 0018:ffffc9000d376b20 EFLAGS: 00010287
RAX: ffffffff83a211c5 RBX: 0000000000000200 RCX: 0000000000100000
RDX: ffffc9000e0aa000 RSI: 0000000000015e7d RDI: 0000000000015e7e
RBP: ffffc9000d376cc8 R08: ffffffff8f7f3377 R09: 1ffffffff1efe66e
R10: dffffc0000000000 R11: fffffbfff1efe66f R12: ffff8880444eb488
R13: dffffc0000000000 R14: 00000000000001ff R15: ffff888044574fb8
FS:  00007f907b1f56c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001300 CR3: 0000000042d10000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400