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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10399 Comm: syz-executor.5 Not tainted 6.1.25-syzkaller-00008-g3fc69d3f70e1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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: 4e 34 c6 ff e9 de f3 ff ff e8 a4 f9 7f ff 48 c7 c7 e0 fe cb 86 4c 89 ee 48 89 da e8 82 cc a8 00 e9 50 f2 ff ff e8 88 f9 7f ff <0f> 0b e8 81 f9 7f ff 0f 0b e8 7a f9 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000b3775c8 EFLAGS: 00010293
RAX: ffffffff81f4f508 RBX: 0000000000000001 RCX: ffff88810d799440
RDX: 0000000000000000 RSI: 00000000fff80000 RDI: 0000000000000001
RBP: ffffc9000b377650 R08: ffffffff81f4e6fc R09: ffffed102b4d0b43
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fff80000
R13: ffff88811779e000 R14: ffff888112afe3c8 R15: ffff888112afe018
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020020000 CR3: 0000000153a48000 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+0xbc5/0x2a40 kernel/exit.c:872
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1022
 get_signal+0x169d/0x1820 kernel/signal.c:2861
 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: 0033:0x7f283507cae9
Code: Unable to access opcode bytes at 0x7f283507cabf.
RSP: 002b:00007f2835d6e178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f283519bf88 RCX: 00007f283507cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f283519bf88
RBP: 00007f283519bf80 R08: 00007f2835d6e6c0 R09: 00007f2835d6e6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f283519bf8c
R13: 000000000000000b R14: 00007ffd08871840 R15: 00007ffd08871928
 </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: 4e 34 c6 ff e9 de f3 ff ff e8 a4 f9 7f ff 48 c7 c7 e0 fe cb 86 4c 89 ee 48 89 da e8 82 cc a8 00 e9 50 f2 ff ff e8 88 f9 7f ff <0f> 0b e8 81 f9 7f ff 0f 0b e8 7a f9 7f ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc9000b3775c8 EFLAGS: 00010293
RAX: ffffffff81f4f508 RBX: 0000000000000001 RCX: ffff88810d799440
RDX: 0000000000000000 RSI: 00000000fff80000 RDI: 0000000000000001
RBP: ffffc9000b377650 R08: ffffffff81f4e6fc R09: ffffed102b4d0b43
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fff80000
R13: ffff88811779e000 R14: ffff888112afe3c8 R15: ffff888112afe018
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2da099bf00 CR3: 0000000120c86000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400