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kernel BUG at fs/ext4/super.c:6412!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4903 Comm: syz.2.1025 Tainted: G        W         5.10.232-syzkaller-00746-g49e8ba0a684f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6412 [inline]
RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6459
Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 16 99 bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 af fc 7d ff <0f> 0b e8 a8 fc 7d ff 0f 0b e8 51 14 c1 02 90 55 48 89 e5 41 57 41
RSP: 0000:ffffc90000c977e0 EFLAGS: 00010293
RAX: ffffffff81ecc1d1 RBX: 0000000000000000 RCX: ffff888102de62c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000c97950 R08: ffffffff81ecbc70 R09: ffffed10237f211f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000004 R14: ffffc90000c97868 R15: ffff888123fa7464
FS:  00007f64f4f8b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000123fa6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_fill_super+0x86dc/0x9150 fs/ext4/super.c:5060
 mount_bdev+0x262/0x370 fs/super.c:1442
 ext4_mount+0x34/0x40 fs/ext4/super.c:6638
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1572
 do_new_mount+0x2ba/0xb30 fs/namespace.c:2917
 path_mount+0x56f/0xcb0 fs/namespace.c:3247
 do_mount fs/namespace.c:3260 [inline]
 __do_sys_mount fs/namespace.c:3468 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3445
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3445
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f64f691b4ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f64f4f8ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f64f4f8aef0 RCX: 00007f64f691b4ca
RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 00007f64f4f8aeb0
RBP: 0000000020000000 R08: 00007f64f4f8aef0 R09: 0000000002804000
R10: 0000000002804000 R11: 0000000000000246 R12: 00000000200000c0
R13: 00007f64f4f8aeb0 R14: 0000000000000500 R15: 0000000020000100
Modules linked in:
---[ end trace 6d764c437f96d263 ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6412 [inline]
RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6459
Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 16 99 bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 af fc 7d ff <0f> 0b e8 a8 fc 7d ff 0f 0b e8 51 14 c1 02 90 55 48 89 e5 41 57 41
RSP: 0000:ffffc90000c977e0 EFLAGS: 00010293
RAX: ffffffff81ecc1d1 RBX: 0000000000000000 RCX: ffff888102de62c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000c97950 R08: ffffffff81ecbc70 R09: ffffed10237f211f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000004 R14: ffffc90000c97868 R15: ffff888123fa7464
FS:  00007f64f4f8b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000123fa6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400