EXT4-fs error (device loop0) in ext4_reserve_inode_write:6099: Corrupt filesystem
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kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 366 Comm: syz-executor408 Not tainted 5.4.268-syzkaller-00012-gd0d34dcb02cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc10/0xc50 fs/ext4/mballoc.c:1826
Code: fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 0d fc ff ff 48 89 d7 e8 0f 85 c8 ff 48 8b 54 24 30 e9 fb fb ff ff e8 20 b1 98 ff <0f> 0b e8 49 69 6f ff e8 14 b1 98 ff 0f 0b e8 0d b1 98 ff 0f 0b e8
RSP: 0018:ffff8881dc78e8e0 EFLAGS: 00010293
RAX: ffffffff81cb9600 RBX: 0000000000000001 RCX: ffff8881dd2b1f80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8881dc78e9f0 R08: ffffffff81cb8b29 R09: ffffed103d19cd33
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881dc6a83f0 R14: 1ffff1103b8f1d2c R15: 1ffff1103b8d507e
FS:  0000555556b7a380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002004007f CR3: 00000001dc627000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_mb_regular_allocator+0x229/0x10d0 fs/ext4/mballoc.c:2129
 ext4_mb_new_blocks+0x59a/0x2d10 fs/ext4/mballoc.c:4596
 ext4_ext_map_blocks+0x1e70/0x7450 fs/ext4/extents.c:4511
 ext4_map_blocks+0xa2f/0x1ba0 fs/ext4/inode.c:661
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:802
 ext4_block_write_begin+0x68a/0x1390 fs/ext4/inode.c:1213
 ext4_write_begin+0x5ba/0x1900 fs/ext4/inode.c:1351
 ext4_da_write_begin+0x4a3/0xfe0 fs/ext4/inode.c:3110
 generic_perform_write+0x2c7/0x560 mm/filemap.c:3450
 __generic_file_write_iter+0x224/0x530 mm/filemap.c:3579
 ext4_file_write_iter+0x499/0x10e0 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1983 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x5d3/0x750 fs/read_write.c:496
 vfs_write+0x206/0x4e0 fs/read_write.c:558
 ksys_write+0x199/0x2c0 fs/read_write.c:611
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace b9cfabf4af726e7f ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xc10/0xc50 fs/ext4/mballoc.c:1826
Code: fc ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 0d fc ff ff 48 89 d7 e8 0f 85 c8 ff 48 8b 54 24 30 e9 fb fb ff ff e8 20 b1 98 ff <0f> 0b e8 49 69 6f ff e8 14 b1 98 ff 0f 0b e8 0d b1 98 ff 0f 0b e8
RSP: 0018:ffff8881dc78e8e0 EFLAGS: 00010293
RAX: ffffffff81cb9600 RBX: 0000000000000001 RCX: ffff8881dd2b1f80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8881dc78e9f0 R08: ffffffff81cb8b29 R09: ffffed103d19cd33
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881dc6a83f0 R14: 1ffff1103b8f1d2c R15: 1ffff1103b8d507e
FS:  0000555556b7a380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002004007f CR3: 00000001dc627000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400