EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /root/syzkaller-testdir1294153312/syzkaller.BbKYpO/698/file1 supports timestamps until 2038 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3134 Comm: syz-executor.2 Not tainted 6.1.25-syzkaller-00117-g32c2d42ee1f1 #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 75 9d 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc90000966520 EFLAGS: 00010287
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90006b74000 RSI: 00000000000002cb RDI: 00000000000002cc
RBP: ffffc90000966630 R08: ffffffff81f5176b R09: ffffed102c275ce9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110220f4e79
R13: 0000000000000001 R14: 1ffff9200012ccb4 R15: ffff8881107a73c8
FS:  00007fe736845700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020295030 CR3: 00000001357ff000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 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_new_meta_blocks+0x206/0x4f0 fs/ext4/balloc.c:700
 ext4_ext_grow_indepth fs/ext4/extents.c:1329 [inline]
 ext4_ext_create_new_leaf fs/ext4/extents.c:1435 [inline]
 ext4_ext_insert_extent+0xf35/0x4e00 fs/ext4/extents.c:2102
 ext4_split_extent_at+0x863/0x11f0 fs/ext4/extents.c:3254
 ext4_split_extent+0x1bd/0x4e0 fs/ext4/extents.c:3355
 ext4_ext_convert_to_initialized fs/ext4/extents.c:3637 [inline]
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3933 [inline]
 ext4_ext_map_blocks+0x486a/0x71e0 fs/ext4/extents.c:4168
 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
 _ext4_get_block+0x23b/0x660 fs/ext4/inode.c:808
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:825
 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: 0033:0x7fe735a8c389
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:00007fe736845168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe735babf80 RCX: 00007fe735a8c389
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fe735ad7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff523942f R14: 00007fe736845300 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 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 75 9d 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc90000966520 EFLAGS: 00010287
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90006b74000 RSI: 00000000000002cb RDI: 00000000000002cc
RBP: ffffc90000966630 R08: ffffffff81f5176b R09: ffffed102c275ce9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110220f4e79
R13: 0000000000000001 R14: 1ffff9200012ccb4 R15: ffff8881107a73c8
FS:  00007fe736845700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d621000 CR3: 00000001357ff000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400