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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21874 Comm: syz-executor.2 Not tainted 6.1.25-syzkaller-00060-gb15c3a3df0a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xef8/0xf10 fs/ext4/mballoc.c:1448
Code: ae 2f c6 ff e9 de f3 ff ff e8 c4 dd 7f ff 48 c7 c7 e0 fe cb 86 4c 89 ee 48 89 da e8 82 d1 a8 00 e9 50 f2 ff ff e8 a8 dd 7f ff <0f> 0b e8 a1 dd 7f ff 0f 0b e8 9a dd 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000ee575c8 EFLAGS: 00010293
RAX: ffffffff81f51728 RBX: 0000000000000001 RCX: ffff888114811440
RDX: 0000000000000000 RSI: 00000000fffff630 RDI: 0000000000000001
RBP: ffffc9000ee57650 R08: ffffffff81f5091c R09: ffffed10217589d5
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fffff630
R13: ffff888181f5c000 R14: ffff8881186363c8 R15: ffff888118636018
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d331000 CR3: 000000010f360000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_discard_preallocations+0x79c/0xef0 fs/ext4/mballoc.c:5021
 ext4_release_file+0x16e/0x310 fs/ext4/file.c:166
 __fput+0x3ab/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xbd5/0x2b80 kernel/exit.c:875
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2866
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x6b/0xa0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbd56a7cae9
Code: Unable to access opcode bytes at 0x7fbd56a7cabf.
RSP: 002b:00007fbd57828178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fbd56b9c058 RCX: 00007fbd56a7cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbd56b9c058
RBP: 00007fbd56b9c050 R08: 00007fbd578286c0 R09: 00007fbd578286c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd56b9c05c
R13: 000000000000006e R14: 00007fffdd49e8a0 R15: 00007fffdd49e988
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xef8/0xf10 fs/ext4/mballoc.c:1448
Code: ae 2f c6 ff e9 de f3 ff ff e8 c4 dd 7f ff 48 c7 c7 e0 fe cb 86 4c 89 ee 48 89 da e8 82 d1 a8 00 e9 50 f2 ff ff e8 a8 dd 7f ff <0f> 0b e8 a1 dd 7f ff 0f 0b e8 9a dd 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000ee575c8 EFLAGS: 00010293
RAX: ffffffff81f51728 RBX: 0000000000000001 RCX: ffff888114811440
RDX: 0000000000000000 RSI: 00000000fffff630 RDI: 0000000000000001
RBP: ffffc9000ee57650 R08: ffffffff81f5091c R09: ffffed10217589d5
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fffff630
R13: ffff888181f5c000 R14: ffff8881186363c8 R15: ffff888118636018
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557354858 CR3: 0000000182507000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400