------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3355!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16681 Comm: syz-executor.3 Not tainted 5.15.98-syzkaller-00348-g7364b7abbafb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
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: 91 11 c8 ff e9 0d f4 ff ff e8 57 de 86 ff 48 c7 c7 80 76 89 86 4c 89 fe 4c 89 f2 e8 45 67 94 00 e9 87 f2 ff ff e8 3b de 86 ff <0f> 0b e8 34 de 86 ff 0f 0b e8 2d de 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc90000c576c0 EFLAGS: 00010293
RAX: ffffffff81e881a5 RBX: 00000000fffff282 RCX: ffff888117783b40
RDX: 0000000000000000 RSI: 00000000fffff282 RDI: 0000000000000001
RBP: ffffc90000c57750 R08: ffffffff81e873d4 R09: ffffed102d0a3435
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023c1f079
R13: ffff88811e0f83c8 R14: 0000000000000001 R15: ffff88810a8d2000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002057eff8 CR3: 000000015e72f000 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
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc60/0x2b60 kernel/exit.c:875
 do_group_exit+0x141/0x310 kernel/exit.c:997
 get_signal+0x7a3/0x1630 kernel/signal.c:2891
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:300
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8337a35169
Code: Unable to access opcode bytes at RIP 0x7f8337a3513f.
RSP: 002b:00007f832e487218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f8337b55058 RCX: 00007f8337a35169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8337b55058
RBP: 00007f8337b55050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8337b5505c
R13: 00007ffc1cfcd23f R14: 00007f832e487300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 9b57f623a43ee00a ]---
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: 91 11 c8 ff e9 0d f4 ff ff e8 57 de 86 ff 48 c7 c7 80 76 89 86 4c 89 fe 4c 89 f2 e8 45 67 94 00 e9 87 f2 ff ff e8 3b de 86 ff <0f> 0b e8 34 de 86 ff 0f 0b e8 2d de 86 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc90000c576c0 EFLAGS: 00010293
RAX: ffffffff81e881a5 RBX: 00000000fffff282 RCX: ffff888117783b40
RDX: 0000000000000000 RSI: 00000000fffff282 RDI: 0000000000000001
RBP: ffffc90000c57750 R08: ffffffff81e873d4 R09: ffffed102d0a3435
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023c1f079
R13: ffff88811e0f83c8 R14: 0000000000000001 R15: ffff88810a8d2000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9dc64d4010 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400