EXT4-fs error (device loop2): __ext4_get_inode_loc:4436: comm syz-executor.2: Invalid inode table block 0 in block_group 0
EXT4-fs error (device loop2) in ext4_reserve_inode_write:5877: Corrupt filesystem
EXT4-fs error (device loop2): ext4_dirty_inode:6087: inode #16: comm syz-executor.2: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3247!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13521 Comm: syz-executor.2 Tainted: G        W         5.10.179-syzkaller-00312-g571f442f6752 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 66 c0 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 52 c0 89 ff e9 05 f7 ff ff e8 48 c0 89 ff <0f> 0b e8 21 cf c8 02 e8 3c c0 89 ff 0f 0b e8 35 c0 89 ff 0f 0b e8
RSP: 0018:ffffc90000c67220 EFLAGS: 00010293
RAX: ffffffff81e0b9e8 RBX: 0000000000000001 RCX: ffff88810024e2c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000c67330 R08: ffffffff81e0acff R09: ffffed10238ce8e7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811806a3c8
R13: 0000000000000001 R14: 1ffff1102300d479 R15: 1ffff9200018ce54
FS:  00007fbcab094700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555581c728 CR3: 000000010ed10000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_mb_regular_allocator+0x249/0x2030 fs/ext4/mballoc.c:2321
 ext4_mb_new_blocks+0xfb1/0x4430 fs/ext4/mballoc.c:5038
 ext4_ext_map_blocks+0x190e/0x6be0 fs/ext4/extents.c:4281
 ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646
 ext4_alloc_file_blocks+0x3f4/0xcd0 fs/ext4/extents.c:4469
 ext4_fallocate+0x853/0x1cb0 fs/ext4/extents.c:4755
 vfs_fallocate+0x492/0x570 fs/open.c:310
 ksys_fallocate fs/open.c:333 [inline]
 __do_sys_fallocate fs/open.c:341 [inline]
 __se_sys_fallocate fs/open.c:339 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:339
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fbcb4744389
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:00007fbcab094168 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fbcb48641f0 RCX: 00007fbcb4744389
RDX: 0000000000008947 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fbcb478f493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe6147932f R14: 00007fbcab094300 R15: 0000000000022000
Modules linked in:
---[ end trace 16e083e81db369a6 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 66 c0 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 52 c0 89 ff e9 05 f7 ff ff e8 48 c0 89 ff <0f> 0b e8 21 cf c8 02 e8 3c c0 89 ff 0f 0b e8 35 c0 89 ff 0f 0b e8
RSP: 0018:ffffc90000c67220 EFLAGS: 00010293
RAX: ffffffff81e0b9e8 RBX: 0000000000000001 RCX: ffff88810024e2c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000c67330 R08: ffffffff81e0acff R09: ffffed10238ce8e7
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811806a3c8
R13: 0000000000000001 R14: 1ffff1102300d479 R15: 1ffff9200018ce54
FS:  00007fbcab094700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1138fc3000 CR3: 000000010ed10000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400