------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3355!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19511 Comm: syz-executor.4 Tainted: G        W         5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xee5/0xf00 fs/ext4/mballoc.c:1498
Code: 11 0f c8 ff e9 0d f4 ff ff e8 87 c7 86 ff 48 c7 c7 80 81 a9 86 4c 89 fe 4c 89 f2 e8 05 93 9a 00 e9 87 f2 ff ff e8 6b c7 86 ff <0f> 0b e8 64 c7 86 ff 0f 0b e8 5d c7 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc90002c2fb80 EFLAGS: 00010293
RAX: ffffffff81e92455 RBX: 00000000ffffffff RCX: ffff88811640bb40
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: ffffc90002c2fc10 R08: ffffffff81e91684 R09: ffffed102b75df2a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022491079
R13: ffff8881124883c8 R14: 0000000000000001 R15: ffff888123e26000
FS:  000055555713a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f009b4fd843 CR3: 00000001887d8000 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:5033
 ext4_release_file+0x16e/0x310 fs/ext4/file.c:151
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f1ca3a6401b
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:00007ffcee13d740 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f1ca3a6401b
RDX: 0000000000000000 RSI: 00007f1ca352dee0 RDI: 0000000000000005
RBP: 00007f1ca3bd3980 R08: 0000000000000000 R09: 000000002df10641
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000030d161
R13: 00007ffcee13d840 R14: 00007f1ca3bd2050 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 6844fd80235ba548 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xee5/0xf00 fs/ext4/mballoc.c:1498
Code: 11 0f c8 ff e9 0d f4 ff ff e8 87 c7 86 ff 48 c7 c7 80 81 a9 86 4c 89 fe 4c 89 f2 e8 05 93 9a 00 e9 87 f2 ff ff e8 6b c7 86 ff <0f> 0b e8 64 c7 86 ff 0f 0b e8 5d c7 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc90002c2fb80 EFLAGS: 00010293
RAX: ffffffff81e92455 RBX: 00000000ffffffff RCX: ffff88811640bb40
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: ffffc90002c2fc10 R08: ffffffff81e91684 R09: ffffed102b75df2a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022491079
R13: ffff8881124883c8 R14: 0000000000000001 R15: ffff888123e26000
FS:  000055555713a400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ee22000 CR3: 00000001887d8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400