------------[ cut here ]------------
kernel BUG at fs/ext4/super.c:6400!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2499 Comm: syz-executor.2 Not tainted 5.10.192-syzkaller-989228-gc8ca447a86a2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6400 [inline]
RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6447
Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 06 eb bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 9f 98 7e ff <0f> 0b e8 98 98 7e ff 0f 0b e8 21 45 be 02 90 55 48 89 e5 41 57 41
RSP: 0018:ffffc900012c77e0 EFLAGS: 00010293
RAX: ffffffff81ebfbb1 RBX: 0000000000000000 RCX: ffff888113c562c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900012c7950 R08: ffffffff81ebf650 R09: ffffed10246bdb75
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000004 R14: ffffc900012c7868 R15: ffff88810cd36464
FS:  00007ff6c8e386c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f293768b000 CR3: 000000011fee4000 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:1429
 ext4_mount+0x34/0x40 fs/ext4/super.c:6626
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1559
 do_new_mount+0x28b/0xad0 fs/namespace.c:2899
 path_mount+0x56f/0xcb0 fs/namespace.c:3229
 do_mount fs/namespace.c:3242 [inline]
 __do_sys_mount fs/namespace.c:3450 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3427
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7ff6c92b71ea
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:00007ff6c8e37ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff6c8e37f80 RCX: 00007ff6c92b71ea
RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007ff6c8e37f40
RBP: 00000000200005c0 R08: 00007ff6c8e37f80 R09: 0000000000200810
R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
R13: 00007ff6c8e37f40 R14: 00000000000004da R15: 0000000020001400
Modules linked in:
---[ end trace 24115a7fbbdb6681 ]---
RIP: 0010:ext4_quota_enable fs/ext4/super.c:6400 [inline]
RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6447
Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 06 eb bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 9f 98 7e ff <0f> 0b e8 98 98 7e ff 0f 0b e8 21 45 be 02 90 55 48 89 e5 41 57 41
RSP: 0018:ffffc900012c77e0 EFLAGS: 00010293
RAX: ffffffff81ebfbb1 RBX: 0000000000000000 RCX: ffff888113c562c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900012c7950 R08: ffffffff81ebf650 R09: ffffed10246bdb75
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000004 R14: ffffc900012c7868 R15: ffff88810cd36464
FS:  00007ff6c8e386c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555df3818 CR3: 000000011fee4000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400