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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4525 Comm: syz-executor.2 Not tainted 6.1.25-syzkaller-00025-gf82e0808101f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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: fe 2e c6 ff e9 de f3 ff ff e8 34 cf 7f ff 48 c7 c7 a0 ff cb 86 4c 89 ee 48 89 da e8 e2 70 a9 00 e9 50 f2 ff ff e8 18 cf 7f ff <0f> 0b e8 11 cf 7f ff 0f 0b e8 0a cf 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000d357988 EFLAGS: 00010293
RAX: ffffffff81f511c8 RBX: 0000000000000001 RCX: ffff88811a87e540
RDX: 0000000000000000 RSI: 00000000ffffc8bb RDI: 0000000000000001
RBP: ffffc9000d357a10 R08: ffffffff81f503bc R09: ffffed1023f3a141
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffc8bb
R13: ffff88815996c000 R14: ffff88811f42f3c8 R15: ffff88811f42f018
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002095e000 CR3: 00000001118fd000 CR4: 00000000003506a0
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
 __do_sys_exit_group kernel/exit.c:1036 [inline]
 __se_sys_exit_group kernel/exit.c:1034 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1034
 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: 0033:0x7fbe7667cae9
Code: Unable to access opcode bytes at 0x7fbe7667cabf.
RSP: 002b:00007fff56a67898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fbe7667cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00000000000000a5 R09: 0000000000000000
R10: 0000001b33520000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </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: fe 2e c6 ff e9 de f3 ff ff e8 34 cf 7f ff 48 c7 c7 a0 ff cb 86 4c 89 ee 48 89 da e8 e2 70 a9 00 e9 50 f2 ff ff e8 18 cf 7f ff <0f> 0b e8 11 cf 7f ff 0f 0b e8 0a cf 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000d357988 EFLAGS: 00010293
RAX: ffffffff81f511c8 RBX: 0000000000000001 RCX: ffff88811a87e540
RDX: 0000000000000000 RSI: 00000000ffffc8bb RDI: 0000000000000001
RBP: ffffc9000d357a10 R08: ffffffff81f503bc R09: ffffed1023f3a141
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffc8bb
R13: ffff88815996c000 R14: ffff88811f42f3c8 R15: ffff88811f42f018
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555727b818 CR3: 0000000130ba8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400