loop3: detected capacity change from 0 to 512
------------[ cut here ]------------
kernel BUG at fs/ext4/super.c:6998!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10654 Comm: syz-executor.3 Not tainted 6.1.145-syzkaller-1169984-g3b4ff5af8d36 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6998 [inline]
RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 fs/ext4/super.c:7045
Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 86 3b bf ff e9 97 fa ff ff e8 2c ce f4 02 e8 57 d8 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f
RSP: 0018:ffffc90002b3f8f0 EFLAGS: 00010293
RAX: ffffffff81f52a29 RBX: ffff888100b1f000 RCX: ffff88811f1d0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002b3f990 R08: dffffc0000000000 R09: ffffed10200bab15
R10: ffffed10200bab15 R11: 1ffff110200bab14 R12: 0000000000000004
R13: ffff88811f97a464 R14: 0000000000000000 R15: 0000000000000001
FS:  00007efc007fe6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555572d22818 CR3: 000000010d113000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ext4_fill_super fs/ext4/super.c:5508 [inline]
 ext4_fill_super+0x70a9/0x7930 fs/ext4/super.c:5653
 get_tree_bdev+0x444/0x680 fs/super.c:1368
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5683
 vfs_get_tree+0x9a/0x270 fs/super.c:1575
 do_new_mount+0x25a/0xa20 fs/namespace.c:3058
 path_mount+0x675/0x1010 fs/namespace.c:3388
 do_mount fs/namespace.c:3401 [inline]
 __do_sys_mount fs/namespace.c:3609 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3586
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3586
 x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efbffa7e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efc007fdee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efc007fdf80 RCX: 00007efbffa7e1ea
RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007efc007fdf40
RBP: 00000000200005c0 R08: 00007efc007fdf80 R09: 0000000000200810
R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
R13: 00007efc007fdf40 R14: 00000000000004da R15: 0000000020001400
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6998 [inline]
RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 fs/ext4/super.c:7045
Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 86 3b bf ff e9 97 fa ff ff e8 2c ce f4 02 e8 57 d8 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f
RSP: 0018:ffffc90002b3f8f0 EFLAGS: 00010293
RAX: ffffffff81f52a29 RBX: ffff888100b1f000 RCX: ffff88811f1d0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002b3f990 R08: dffffc0000000000 R09: ffffed10200bab15
R10: ffffed10200bab15 R11: 1ffff110200bab14 R12: 0000000000000004
R13: ffff88811f97a464 R14: 0000000000000000 R15: 0000000000000001
FS:  00007efc007fe6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2443dda000 CR3: 000000010d113000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400