EXT4-fs error (device loop1): __ext4_get_inode_loc:4366: comm syz-executor.1: Invalid inode table block 5 in block_group 0
EXT4-fs error (device loop1) in ext4_reserve_inode_write:5715: Corrupt filesystem
EXT4-fs error (device loop1): ext4_dirty_inode:5919: inode #18: comm syz-executor.1: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3241!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11989 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-05127-g5c7ecada25d2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4f ff 8b 74 24 04 48 c7 c7 80 b2 0b 8d 4c 89 f2 e8 fc b8 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 97 71 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc9000373f160 EFLAGS: 00010293
RAX: ffffffff823b9829 RBX: 0000000000000001 RCX: ffff888020418000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823b94f9 R09: ffffed100493300b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11005c4f4cf
R13: dffffc0000000000 R14: ffff888076732000 R15: ffff88802e27a678
FS:  00007f9a63469700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c624000 CR3: 0000000020925000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_find_by_goal+0x11c/0xd20 fs/ext4/mballoc.c:2159
 ext4_mb_regular_allocator+0x250/0x38c0 fs/ext4/mballoc.c:2613
 ext4_mb_new_blocks+0xe5f/0x44a0 fs/ext4/mballoc.c:5786
 ext4_ext_map_blocks+0x1973/0x7210 fs/ext4/extents.c:4286
 ext4_map_blocks+0xa4c/0x1cf0 fs/ext4/inode.c:623
 ext4_alloc_file_blocks+0x3ef/0xcf0 fs/ext4/extents.c:4470
 ext4_fallocate+0xc9d/0x2000 fs/ext4/extents.c:4764
 vfs_fallocate+0x54b/0x6b0 fs/open.c:324
 ksys_fallocate fs/open.c:347 [inline]
 __do_sys_fallocate fs/open.c:355 [inline]
 __se_sys_fallocate fs/open.c:353 [inline]
 __x64_sys_fallocate+0xbd/0x100 fs/open.c:353
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9a6268c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a63469168 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f9a627ac120 RCX: 00007f9a6268c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f9a626e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001000f4 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffccc100b5f R14: 00007f9a63469300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4f ff 8b 74 24 04 48 c7 c7 80 b2 0b 8d 4c 89 f2 e8 fc b8 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 97 71 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc9000373f160 EFLAGS: 00010293

RAX: ffffffff823b9829 RBX: 0000000000000001 RCX: ffff888020418000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823b94f9 R09: ffffed100493300b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11005c4f4cf
R13: dffffc0000000000 R14: ffff888076732000 R15: ffff88802e27a678
FS:  00007f9a63469700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff2aea9f98 CR3: 0000000020925000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400