EXT4-fs error (device loop1): __ext4_get_inode_loc:4492: comm syz-executor.1: Invalid inode table block 0 in block_group 0
EXT4-fs error (device loop1) in ext4_reserve_inode_write:5841: Corrupt filesystem
EXT4-fs error (device loop1): ext4_dirty_inode:6045: inode #16: comm syz-executor.1: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1801 Comm: syz-executor.1 Not tainted 6.1.25-syzkaller-00008-gc480e4e57628 #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:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 9a 55 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 55 7e ff e9 51 f7 ff ff e8 7c 55 7e ff <0f> 0b e8 95 3f f8 02 e8 70 55 7e ff 0f 0b e8 69 55 7e ff 0f 0b e8
RSP: 0018:ffffc90000c06a40 EFLAGS: 00010287
RAX: ffffffff81f68f84 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90001649000 RSI: 0000000000001594 RDI: 0000000000001595
RBP: ffffc90000c06b50 R08: ffffffff81f682bb R09: ffffed10200b2da0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102b241879
R13: 0000000000000001 R14: 1ffff92000180d58 R15: ffff88815920c3c8
FS:  00007fa96dfa9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95c0b95ed8 CR3: 0000000139b80000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_regular_allocator+0x24c/0x3610 fs/ext4/mballoc.c:2614
 ext4_mb_new_blocks+0xfd3/0x48f0 fs/ext4/mballoc.c:5611
 ext4_ext_map_blocks+0x19ca/0x71e0 fs/ext4/extents.c:4287
 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
 _ext4_get_block+0x23b/0x660 fs/ext4/inode.c:808
 ext4_get_block_unwritten+0x2a/0x40 fs/ext4/inode.c:839
 ext4_block_write_begin+0x55e/0x1200 fs/ext4/inode.c:1098
 ext4_write_begin+0x5e0/0xfb0
 ext4_da_write_begin+0x2ff/0x920 fs/ext4/inode.c:2987
 generic_perform_write+0x2f9/0x5c0 mm/filemap.c:3765
 ext4_buffered_write_iter+0x360/0x640 fs/ext4/file.c:285
 ext4_file_write_iter+0x194/0x1cf0
 call_write_iter include/linux/fs.h:2215 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x8d1/0xe80 fs/read_write.c:584
 ksys_write+0x199/0x2c0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa96d28c389
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:00007fa96dfa9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa96d3abf80 RCX: 00007fa96d28c389
RDX: 0000000000000005 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007fa96d2d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef02a555f R14: 00007fa96dfa9300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 9a 55 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 55 7e ff e9 51 f7 ff ff e8 7c 55 7e ff <0f> 0b e8 95 3f f8 02 e8 70 55 7e ff 0f 0b e8 69 55 7e ff 0f 0b e8
RSP: 0018:ffffc90000c06a40 EFLAGS: 00010287
RAX: ffffffff81f68f84 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90001649000 RSI: 0000000000001594 RDI: 0000000000001595
RBP: ffffc90000c06b50 R08: ffffffff81f682bb R09: ffffed10200b2da0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102b241879
R13: 0000000000000001 R14: 1ffff92000180d58 R15: ffff88815920c3c8
FS:  00007fa96dfa9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95c0b95ed8 CR3: 0000000139b80000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400