EXT4-fs error (device loop0): ext4_map_blocks:607: inode #3: block 9: comm syz-executor122: lblock 0 mapped to illegal pblock 9 (length 1)
EXT4-fs error (device loop0): __ext4_get_inode_loc:4492: comm syz-executor122: Invalid inode table block 0 in block_group 0
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5841: Corrupt filesystem
EXT4-fs error (device loop0): ext4_dirty_inode:6045: inode #16: comm syz-executor122: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 464 Comm: syz-executor122 Not tainted 6.1.25-syzkaller-00122-gfa9645687ea5 #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 9f 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 9f 7e ff e9 51 f7 ff ff e8 7c 9f 7e ff <0f> 0b e8 95 98 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc900011471c0 EFLAGS: 00010293
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: ffff888120122880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900011472d0 R08: ffffffff81f5176b R09: ffffed10217bbb7b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110213b6879
R13: 0000000000000001 R14: 1ffff92000228e48 R15: ffff888109db43c8
FS:  00007fa77c52f700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 0000000122666000 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_alloc_file_blocks+0x3d5/0xcd0 fs/ext4/extents.c:4471
 ext4_fallocate+0x942/0x1e90 fs/ext4/extents.c:4758
 vfs_fallocate+0x492/0x570 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+0xc0/0x110 fs/open.c:353
 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: 0033:0x7fa77c583759
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007fa77c52f2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fa77c6087a0 RCX: 00007fa77c583759
RDX: 0000000000008947 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fa77c5d59e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 00007fa77c5d5578
R13: 0031656c69662f2e R14: 6f6f6c2f7665642f R15: 00007fa77c6087a8
 </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 9f 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 9f 7e ff e9 51 f7 ff ff e8 7c 9f 7e ff <0f> 0b e8 95 98 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc900011471c0 EFLAGS: 00010293
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: ffff888120122880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900011472d0 R08: ffffffff81f5176b R09: ffffed10217bbb7b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110213b6879
R13: 0000000000000001 R14: 1ffff92000228e48 R15: ffff888109db43c8
FS:  00007fa77c52f700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 0000000122666000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400