EXT4-fs error (device loop1) 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: 2461 Comm: syz.1.450 Not tainted 5.4.276-syzkaller-00021-g58de09405d1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xba1/0xbe0 fs/ext4/mballoc.c:1830
Code: fc ff ff 48 8b 4c 24 28 80 e1 07 80 c1 03 38 c1 0f 8c 22 fc ff ff 48 8b 7c 24 28 e8 89 74 c8 ff e9 13 fc ff ff e8 6f 8f 98 ff <0f> 0b e8 b8 44 6f ff e8 63 8f 98 ff 0f 0b e8 5c 8f 98 ff 0f 0b e8
RSP: 0018:ffff8881cb1768e0 EFLAGS: 00010246
RAX: ffffffff81cba991 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000194a000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8881cb1769f0 R08: ffffffff81cb9f11 R09: ffffed103a02a722
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881cc6af3f0 R14: 0000000000000001 R15: 1ffff110398d5e7e
FS:  00007f99381386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1cd184d000 CR3: 00000001e2ca9000 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:2132
 ext4_mb_new_blocks+0x59a/0x2d10 fs/ext4/mballoc.c:4604
 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:1989 [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
RIP: 0033:0x7f9938eb6b99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9938138048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9939044fa0 RCX: 00007f9938eb6b99