loop1: detected capacity change from 0 to 512
------------[ cut here ]------------
kernel BUG at fs/ext4/super.c:6392!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1759 Comm: syz-executor.1 Not tainted 5.15.182-syzkaller-1080481-g57725b368731 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6392 [inline]
RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 fs/ext4/super.c:6439
Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 a6 7d c2 ff e9 97 fa ff ff e8 6c 23 bb 02 e8 87 0c 84 ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83
RSP: 0018:ffffc90004cf7910 EFLAGS: 00010293
RAX: ffffffff81e49439 RBX: ffff88811723a000 RCX: ffff888115f22780
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004cf79b0 R08: dffffc0000000000 R09: ffffed10252a328b
R10: ffffed10252a328b R11: 1ffff110252a328a R12: 0000000000000004
R13: ffff888101ba9464 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fafbb07d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555588673818 CR3: 0000000124e8a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_fill_super+0x8761/0x9030 fs/ext4/super.c:4951
 mount_bdev+0x2ae/0x3e0 fs/super.c:1400
 ext4_mount+0x34/0x40 fs/ext4/super.c:6618
 legacy_get_tree+0xed/0x190 fs/fs_context.c:611
 vfs_get_tree+0x89/0x260 fs/super.c:1530
 do_new_mount+0x25a/0xa20 fs/namespace.c:3013
 path_mount+0x675/0x1020 fs/namespace.c:3343
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3541
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3541
 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fafbb4fc1ea
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:00007fafbb07cee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fafbb07cf80 RCX: 00007fafbb4fc1ea
RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fafbb07cf40
RBP: 00000000200005c0 R08: 00007fafbb07cf80 R09: 0000000000200810
R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
R13: 00007fafbb07cf40 R14: 00000000000004da R15: 0000000020001400
 </TASK>
Modules linked in:
---[ end trace e3236cd917ae7ab2 ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6392 [inline]
RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0 fs/ext4/super.c:6439
Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 a6 7d c2 ff e9 97 fa ff ff e8 6c 23 bb 02 e8 87 0c 84 ff <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83
RSP: 0018:ffffc90004cf7910 EFLAGS: 00010293
RAX: ffffffff81e49439 RBX: ffff88811723a000 RCX: ffff888115f22780
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004cf79b0 R08: dffffc0000000000 R09: ffffed10252a328b
R10: ffffed10252a328b R11: 1ffff110252a328a R12: 0000000000000004
R13: ffff888101ba9464 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fafbb07d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555e548818 CR3: 0000000124e8a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400