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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 301 Comm: syz-executor217 Not tainted 6.1.25-syzkaller-00172-g10e4c804f2f9 #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:3331 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xef8/0xf10 fs/ext4/mballoc.c:1448
Code: ae 6f c6 ff e9 de f3 ff ff e8 f4 0c 81 ff 48 c7 c7 20 84 8b 86 4c 89 ee 48 89 da e8 52 32 a7 00 e9 50 f2 ff ff e8 d8 0c 81 ff <0f> 0b e8 d1 0c 81 ff 0f 0b e8 ca 0c 81 ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc90000e77988 EFLAGS: 00010293
RAX: ffffffff81f28bf8 RBX: 0000000000000001 RCX: ffff88810ce74c00
RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
RBP: ffffc90000e77a10 R08: ffffffff81f27dec R09: ffffed10225b8b22
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffff821c
R13: ffff88810d0be000 R14: ffff88810993f3a8 R15: ffff88810993f018
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5247ec8d0 CR3: 000000010fa7b000 CR4: 00000000003506b0
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+0xbb0/0x2910 kernel/exit.c:870
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1020
 __do_sys_exit_group kernel/exit.c:1031 [inline]
 __se_sys_exit_group kernel/exit.c:1029 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1029
 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: 0033:0x7fc52482e229
Code: Unable to access opcode bytes at 0x7fc52482e1ff.
RSP: 002b:00007fff4673a6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc5248b4470 RCX: 00007fc52482e229
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffb8 R09: 0000000000f0b5ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5248b4470
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </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 6f c6 ff e9 de f3 ff ff e8 f4 0c 81 ff 48 c7 c7 20 84 8b 86 4c 89 ee 48 89 da e8 52 32 a7 00 e9 50 f2 ff ff e8 d8 0c 81 ff <0f> 0b e8 d1 0c 81 ff 0f 0b e8 ca 0c 81 ff 0f 0b 0f 1f 84 00 00 00
RSP: 0018:ffffc90000e77988 EFLAGS: 00010293
RAX: ffffffff81f28bf8 RBX: 0000000000000001 RCX: ffff88810ce74c00
RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
RBP: ffffc90000e77a10 R08: ffffffff81f27dec R09: ffffed10225b8b22
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffff821c
R13: ffff88810d0be000 R14: ffff88810993f3a8 R15: ffff88810993f018
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc52488101d CR3: 0000000111bb1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400