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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3998 Comm: syz-executor.4 Not tainted 6.1.21-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3331
Code: 4f ff 8b 74 24 04 48 c7 c7 00 c5 0b 8d 4c 89 f2 e8 dc 94 24 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 f7 da 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90004fb7970 EFLAGS: 00010293
RAX: ffffffff8239ace9 RBX: 00000000ffffffff RCX: ffff888026c20000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff8239a9b9 R09: ffffed100770eec2
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100eadbccf
R13: dffffc0000000000 R14: ffff8880756dc000 R15: ffff8880756de678
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a37000 CR3: 0000000031c5c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc3/0x820 fs/ext4/mballoc.c:1448
 ext4_discard_preallocations+0x851/0x1150 fs/ext4/mballoc.c:5021
 ext4_release_file+0x16a/0x300 fs/ext4/file.c:166
 __fput+0x3b7/0x890 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 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: 0033:0x7f4abf48c0f9
Code: Unable to access opcode bytes at 0x7f4abf48c0cf.
RSP: 002b:00007ffc6ffb7c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f4abf48c0f9
RDX: 00007f4abf43dfab RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007f4abf000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc6ffb7d70
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3331
Code: 4f ff 8b 74 24 04 48 c7 c7 00 c5 0b 8d 4c 89 f2 e8 dc 94 24 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 f7 da 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90004fb7970 EFLAGS: 00010293

RAX: ffffffff8239ace9 RBX: 00000000ffffffff RCX: ffff888026c20000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff8239a9b9 R09: ffffed100770eec2
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100eadbccf
R13: dffffc0000000000 R14: ffff8880756dc000 R15: ffff8880756de678
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98d97e5000 CR3: 0000000031c5c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400