------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6399! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 879 Comm: syz-executor417 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6399 [inline] RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6446 Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 a6 eb bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 df bc 7e ff <0f> 0b e8 d8 bc 7e ff 0f 0b e8 41 07 be 02 90 55 48 89 e5 41 57 41 RSP: 0018:ffffc900029677c0 EFLAGS: 00010293 RAX: ffffffff81ebd0c1 RBX: 0000000000000000 RCX: ffff88810ffae2c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002967930 R08: ffffffff81ebcb60 R09: ffffed10238267c4 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: ffffc90002967848 R15: ffff8881198af464 FS: 00007fc1322066c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc13229da18 CR3: 0000000117d8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_fill_super+0x87e7/0x9280 fs/ext4/super.c:5060 mount_bdev+0x262/0x370 fs/super.c:1420 ext4_mount+0x34/0x40 fs/ext4/super.c:6625 legacy_get_tree+0xf1/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1550 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: 0033:0x7fc13224b35a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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:00007fc132206038 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc13224b35a RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fc132206090 RBP: 00000000200005c0 R08: 00007fc1322060d0 R09: 00000000000004d4 R10: 0000000000200810 R11: 0000000000000206 R12: 00007fc132206090 R13: 0000000020000000 R14: 00000000000004da R15: 00007fc1322060d0 Modules linked in: ---[ end trace ddd9eeb0fecebd4e ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6399 [inline] RIP: 0010:ext4_enable_quotas+0x9e1/0x9f0 fs/ext4/super.c:6446 Code: 38 c1 0f 8c d1 f8 ff ff 49 89 f6 48 89 df e8 a6 eb bb ff 4c 89 f6 48 ba 00 00 00 00 00 fc ff df e9 b4 f8 ff ff e8 df bc 7e ff <0f> 0b e8 d8 bc 7e ff 0f 0b e8 41 07 be 02 90 55 48 89 e5 41 57 41 RSP: 0018:ffffc900029677c0 EFLAGS: 00010293 RAX: ffffffff81ebd0c1 RBX: 0000000000000000 RCX: ffff88810ffae2c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002967930 R08: ffffffff81ebcb60 R09: ffffed10238267c4 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: ffffc90002967848 R15: ffff8881198af464 FS: 00007fc1322066c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc13229da18 CR3: 0000000117d8c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400