EXT4-fs error (device sda1): ext4_read_block_bitmap_nowait:429: comm kworker/u4:2: Invalid block bitmap block 14 in block_group 12
EXT4-fs (sda1): Delayed block allocation failed for inode 13855 at logical offset 0 with max blocks 435 with error 117
EXT4-fs (sda1): This should not happen!! Data will be lost
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kernel BUG at fs/ext4/ext4.h:2870!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7823 Comm: rs:main Q:Reg Not tainted 4.19.204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2870 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0x1460/0x1a90 fs/ext4/mballoc.c:1116
Code: 26 06 9f ff e9 b9 f6 ff ff e8 7c e9 7f ff e9 b4 f4 ff ff e8 72 e9 7f ff 48 89 ef e8 0a 06 9f ff e9 51 fa ff ff e8 60 e9 7f ff <0f> 0b e8 59 e9 7f ff 8b 54 24 1c 44 89 e6 48 89 ef e8 da d4 ff ff
RSP: 0018:ffff8880a2d97588 EFLAGS: 00010293
RAX: ffff8880a2c662c0 RBX: ffff8880a2d976c8 RCX: ffffffff81e295e3
RDX: 0000000000000000 RSI: ffffffff81e2a930 RDI: 0000000000000004
RBP: ffff8882350aee80 R08: 0000000000000000 R09: 00000000fffe8f8c
R10: 0000000000000004 R11: 0000000000074071 R12: 00000000fffe8f8c
R13: ffff8882350b0ec0 R14: ffff8882350af500 R15: 0000000000000010
FS:  00007f9793e71700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556e2a562d68 CR3: 00000000b2cf7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0xaf4/0xfb0 fs/ext4/mballoc.c:4090
 ext4_truncate+0x74e/0x1380 fs/ext4/inode.c:4554
 ext4_truncate_failed_write fs/ext4/truncate.h:20 [inline]
 ext4_write_begin+0xb37/0x1610 fs/ext4/inode.c:1368
 ext4_da_write_begin+0x737/0x10e0 fs/ext4/inode.c:3051
 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170
 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295
 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x51b/0x770 fs/read_write.c:487
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f97968b51cd
Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f9793e70590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9788024dd0 RCX: 00007f97968b51cd
RDX: 0000000000000146 RSI: 00007f9788024dd0 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9788024b50
R13: 00007f9793e705b0 R14: 00005632acf09440 R15: 0000000000000146
Modules linked in:
---[ end trace 5761d10fee6ec9a5 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2870 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0x1460/0x1a90 fs/ext4/mballoc.c:1116
EXT4-fs (sda1): Delayed block allocation failed for inode 13856 at logical offset 0 with max blocks 301 with error 117
Code: 26 06 9f ff e9 b9 f6 ff ff e8 7c e9 7f ff e9 b4 f4 ff ff e8 72 e9 7f ff 48 89 ef e8 0a 06 9f ff e9 51 fa ff ff e8 60 e9 7f ff <0f> 0b e8 59 e9 7f ff 8b 54 24 1c 44 89 e6 48 89 ef e8 da d4 ff ff
EXT4-fs (sda1): This should not happen!! Data will be lost

RSP: 0018:ffff8880a2d97588 EFLAGS: 00010293
RAX: ffff8880a2c662c0 RBX: ffff8880a2d976c8 RCX: ffffffff81e295e3
RDX: 0000000000000000 RSI: ffffffff81e2a930 RDI: 0000000000000004
EXT4-fs (sda1): Delayed block allocation failed for inode 13858 at logical offset 0 with max blocks 1 with error 117
RBP: ffff8882350aee80 R08: 0000000000000000 R09: 00000000fffe8f8c
EXT4-fs (sda1): This should not happen!! Data will be lost

R10: 0000000000000004 R11: 0000000000074071 R12: 00000000fffe8f8c
R13: ffff8882350b0ec0 R14: ffff8882350af500 R15: 0000000000000010
FS:  00007f9793e71700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556e2a562d68 CR3: 00000000b2cf7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400