------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7775 Comm: syz-executor.5 Not tainted 6.1.25-syzkaller-00136-g80ac9236949e #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_load_buddy_gfp+0xef8/0xf10 fs/ext4/mballoc.c:1448
Code: ae 4d c6 ff e9 de f3 ff ff e8 c4 5e 80 ff 48 c7 c7 20 af 8b 86 4c 89 ee 48 89 da e8 22 19 a7 00 e9 50 f2 ff ff e8 a8 5e 80 ff <0f> 0b e8 a1 5e 80 ff 0f 0b e8 9a 5e 80 ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc90000d17b08 EFLAGS: 00010293
RAX: ffffffff81f36508 RBX: 0000000000000001 RCX: ffff888165043cc0
RDX: 0000000000000000 RSI: 00000000fffed987 RDI: 0000000000000001
RBP: ffffc90000d17b90 R08: ffffffff81f356fc R09: ffffed102f051f8d
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fffed987
R13: ffff88811b480000 R14: ffff888111b973c8 R15: ffff888111b97018
FS:  0000555555b7f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79d5b8a718 CR3: 00000001366f7000 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
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x8b/0xa0 kernel/entry/common.c:171
 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: 0033:0x7f79d4e3e12b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffcb3d0c130 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f79d4e3e12b
RDX: 0000000000000000 RSI: 000000000001f2f0 RDI: 0000000000000005
RBP: 00007f79d4fad980 R08: 0000000000000000 R09: 00000000815944e5
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000069d55
R13: 00007ffcb3d0c230 R14: 00007f79d4fac050 R15: 0000000000000032
 </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 4d c6 ff e9 de f3 ff ff e8 c4 5e 80 ff 48 c7 c7 20 af 8b 86 4c 89 ee 48 89 da e8 22 19 a7 00 e9 50 f2 ff ff e8 a8 5e 80 ff <0f> 0b e8 a1 5e 80 ff 0f 0b e8 9a 5e 80 ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc90000d17b08 EFLAGS: 00010293
RAX: ffffffff81f36508 RBX: 0000000000000001 RCX: ffff888165043cc0
RDX: 0000000000000000 RSI: 00000000fffed987 RDI: 0000000000000001
RBP: ffffc90000d17b90 R08: ffffffff81f356fc R09: ffffed102f051f8d
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fffed987
R13: ffff88811b480000 R14: ffff888111b973c8 R15: ffff888111b97018
FS:  0000555555b7f400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79d5b8a718 CR3: 00000001366f7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400