On Mon, 16 May 2022 20:26:34 +0800, Ye Bin wrote: > we got issue as follows: > EXT4-fs error (device loop0): ext4_mb_generate_buddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls > ------------[ cut here ]------------ > kernel BUG at fs/ext4/inode.c:2708! > invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI > CPU: 2 PID: 2147 Comm: rep Not tainted 5.18.0-rc2-next-20220413+ #155 > RIP: 0010:ext4_writepages+0x1977/0x1c10 > RSP: 0018:ffff88811d3e7880 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88811c098000 > RDX: 0000000000000000 RSI: ffff88811c098000 RDI: 0000000000000002 > RBP: ffff888128140f50 R08: ffffffffb1ff6387 R09: 0000000000000000 > R10: 0000000000000007 R11: ffffed10250281ea R12: 0000000000000001 > R13: 00000000000000a4 R14: ffff88811d3e7bb8 R15: ffff888128141028 > FS: 00007f443aed9740(0000) GS:ffff8883aef00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000020007200 CR3: 000000011c2a4000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > <TASK> > do_writepages+0x130/0x3a0 > filemap_fdatawrite_wbc+0x83/0xa0 > filemap_flush+0xab/0xe0 > ext4_alloc_da_blocks+0x51/0x120 > __ext4_ioctl+0x1534/0x3210 > __x64_sys_ioctl+0x12c/0x170 > do_syscall_64+0x3b/0x90 > > [...] Applied, thanks! [1/1] ext4: fix bug_on in ext4_writepages commit: eed67ff2ad862d1edca9cbba1e4a56c634cb0d46 Best regards, -- Theodore Ts'o <tytso@xxxxxxx>