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kernel BUG at fs/ext4/ext4.h:3241!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1073 Comm: syz-executor.4 Not tainted 6.3.0-syzkaller-13505-g17784de648be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4c ff 8b 74 24 04 48 c7 c7 40 34 0c 8d 4c 89 f2 e8 ec 03 2e 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 17 cb 4c 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:ffffc9000379fad8 EFLAGS: 00010293
RAX: ffffffff823e9c29 RBX: 0000000020682a5e RCX: ffff8880315bbb80
RDX: 0000000000000000 RSI: 0000000020682a5e RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823e98f9 R09: fffffbfff1cab7de
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11006707ccf
R13: dffffc0000000000 R14: ffff888023840000 R15: ffff88803383e678
FS:  0000555557349400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110f2fd763 CR3: 00000000765f2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc6/0x850 fs/ext4/mballoc.c:1446
 ext4_discard_preallocations+0x744/0x1090 fs/ext4/mballoc.c:5226
 ext4_release_file+0x16e/0x300 fs/ext4/file.c:166
 __fput+0x3b7/0x890 fs/file_table.c:321
 task_work_run+0x24a/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f556cc3e01b
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:00007ffe062a80f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f556cc3e01b
RDX: 00007f556c802808 RSI: ffffffffffffffff RDI: 0000000000000004
RBP: 00007f556cdad980 R08: 0000000000000000 R09: 00007f556c800000
R10: 00007f556c802810 R11: 0000000000000293 R12: 000000000013b803
R13: 00007ffe062a81f0 R14: 00007f556cdabf80 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4c ff 8b 74 24 04 48 c7 c7 40 34 0c 8d 4c 89 f2 e8 ec 03 2e 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 17 cb 4c 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:ffffc9000379fad8 EFLAGS: 00010293
RAX: ffffffff823e9c29 RBX: 0000000020682a5e RCX: ffff8880315bbb80
RDX: 0000000000000000 RSI: 0000000020682a5e RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823e98f9 R09: fffffbfff1cab7de
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11006707ccf
R13: dffffc0000000000 R14: ffff888023840000 R15: ffff88803383e678
FS:  0000555557349400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71634d56be CR3: 00000000765f2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400