EXT4-fs error (device loop2): __ext4_get_inode_loc:4490: comm syz-executor.2: Invalid inode table block 733 in block_group 0
EXT4-fs error (device loop2) in ext4_reserve_inode_write:5839: Corrupt filesystem
EXT4-fs error (device loop2): ext4_dirty_inode:6043: inode #18: comm syz-executor.2: mark_inode_dirty error
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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9828 Comm: syz-executor.2 Not tainted 6.1.22-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3331
Code: 4f ff 8b 74 24 04 48 c7 c7 c0 c4 0b 8d 4c 89 f2 e8 0c a2 24 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 27 d9 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:ffffc9000a177590 EFLAGS: 00010293
RAX: ffffffff8239b479 RBX: 00000000ffffffff RCX: ffff8880208f9d40
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff8239b149 R09: ffffed100e844c40
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11010dd94cf
R13: dffffc0000000000 R14: ffff8880754f0000 R15: ffff888086eca678
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020e01030 CR3: 000000003d702000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc3/0x820 fs/ext4/mballoc.c:1448
 ext4_discard_preallocations+0x851/0x1150 fs/ext4/mballoc.c:5021
 ext4_release_file+0x16a/0x300 fs/ext4/file.c:166
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2858
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f459ac8c0f9
Code: Unable to access opcode bytes at 0x7f459ac8c0cf.
RSP: 002b:00007f459b90d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffff8b RBX: 00007f459adac050 RCX: 00007f459ac8c0f9
RDX: 0000000000000078 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00007f459ace7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed7febf0f R14: 00007f459b90d300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3331
Code: 4f ff 8b 74 24 04 48 c7 c7 c0 c4 0b 8d 4c 89 f2 e8 0c a2 24 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 27 d9 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:ffffc9000a177590 EFLAGS: 00010293
RAX: ffffffff8239b479 RBX: 00000000ffffffff RCX: ffff8880208f9d40
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff8239b149 R09: ffffed100e844c40
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11010dd94cf
R13: dffffc0000000000 R14: ffff8880754f0000 R15: ffff888086eca678
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020033000 CR3: 000000003d702000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400