EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs error (device loop6): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6834 at fs/ext4/inode.c:3596 ext4_dirty_folio+0x16d/0x1a0 fs/ext4/inode.c:3596
Modules linked in:
CPU: 0 UID: 0 PID: 6834 Comm: syz.6.114 Not tainted 6.14.0-syzkaller-13524-gf4d2ef48250a #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ext4_dirty_folio+0x16d/0x1a0 fs/ext4/inode.c:3596
Code: f9 12 40 ff 4c 89 e7 4c 89 fe 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d4 98 cc ff e8 df 12 40 ff 90 0f 0b 90 eb e0 e8 d4 12 40 ff 90 <0f> 0b 90 eb a7 e8 c9 12 40 ff 4c 89 ff 48 c7 c6 80 23 5e 8c e8 7a
RSP: 0018:ffffc90004ddf1e8 EFLAGS: 00010293
RAX: ffffffff828333ac RBX: 0000000000000000 RCX: ffff8880611e0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd40002c1c38 R08: ffffffff82833347 R09: 1ffffd40002c1c38
R10: dffffc0000000000 R11: fffff940002c1c39 R12: ffff88806d973698
R13: ffffea000160e1c8 R14: 0000000000000000 R15: ffffea000160e1c0
FS:  0000000000000000(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7b6e61000 CR3: 000000000eb38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 zap_present_folio_ptes mm/memory.c:1503 [inline]
 zap_present_ptes mm/memory.c:1586 [inline]
 do_zap_pte_range mm/memory.c:1687 [inline]
 zap_pte_range mm/memory.c:1731 [inline]
 zap_pmd_range mm/memory.c:1823 [inline]
 zap_pud_range mm/memory.c:1852 [inline]
 zap_p4d_range mm/memory.c:1873 [inline]
 unmap_page_range+0x1ea5/0x44d0 mm/memory.c:1894
 unmap_vmas+0x3ce/0x5f0 mm/memory.c:1984
 exit_mmap+0x2bc/0xde0 mm/mmap.c:1284
 __mmput+0x115/0x410 kernel/fork.c:1379
 exit_mm+0x221/0x310 kernel/exit.c:589
 do_exit+0x994/0x27f0 kernel/exit.c:940
 do_group_exit+0x207/0x2c0 kernel/exit.c:1102
 get_signal+0x1696/0x1730 kernel/signal.c:3034
 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f379258d169
Code: Unable to access opcode bytes at 0x7f379258d13f.
RSP: 002b:00007f37903f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f37927a5fa8 RCX: 00007f379258d169
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f37927a5fac
RBP: 00007f37927a5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000246 R12: 00007f37927a5fac
R13: 0000000000000000 R14: 00007ffd14430430 R15: 00007ffd14430518
 </TASK>