EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2759!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3807 Comm: syz.0.27 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2758
Code: c7 30 1c 4c 8d 4c 89 f2 e8 24 ad 29 02 e9 b9 fb ff ff e8 1a 5e 4f ff 0f 0b e8 13 5e 4f ff 0f 0b e8 1c 5a 6b 08 e8 07 5e 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc90004737080 EFLAGS: 00010293
RAX: ffffffff823b5139 RBX: 0000008000000000 RCX: ffff88802ea69dc0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004737470 R08: ffffffff823b19f0 R09: ffffed100b0473ce
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc900047376a0 R14: 000000d410000000 R15: ffffc90004737340
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ab60bc058 CR3: 000000005aa4e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3a2/0x670 mm/page-writeback.c:2491
 filemap_fdatawrite_wbc+0x121/0x180 mm/filemap.c:388
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 __filemap_fdatawrite mm/filemap.c:427 [inline]
 filemap_flush+0x11a/0x170 mm/filemap.c:454
 ext4_release_file+0x7d/0x300 fs/ext4/file.c:158
 __fput+0x3f6/0x8d0 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa73/0x26a0 kernel/exit.c:871
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2870
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3e3737dff9
Code: Unable to access opcode bytes at 0x7f3e3737dfcf.
RSP: 002b:00007f3e381ac0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f3e37535f88 RCX: 00007f3e3737dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3e37535f88
RBP: 00007f3e37535f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e37535f8c
R13: 0000000000000000 R14: 00007ffcb49b1550 R15: 00007ffcb49b1638
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2758
Code: c7 30 1c 4c 8d 4c 89 f2 e8 24 ad 29 02 e9 b9 fb ff ff e8 1a 5e 4f ff 0f 0b e8 13 5e 4f ff 0f 0b e8 1c 5a 6b 08 e8 07 5e 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc90004737080 EFLAGS: 00010293
RAX: ffffffff823b5139 RBX: 0000008000000000 RCX: ffff88802ea69dc0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004737470 R08: ffffffff823b19f0 R09: ffffed100b0473ce
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc900047376a0 R14: 000000d410000000 R15: ffffc90004737340
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda04abf58 CR3: 000000005e051000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400