loop3: detected capacity change from 0 to 512 ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:7052! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7747 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-00168-g9a6b294ab496 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:7052 [inline] RIP: 0010:ext4_enable_quotas+0xb7b/0xb90 fs/ext4/super.c:7099 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3a f7 ff ff 49 89 d6 48 89 df e8 a3 15 98 ff 4c 89 f2 e9 27 f7 ff ff e8 a6 10 3c ff 90 <0f> 0b e8 9e 10 3c ff 90 0f 0b e8 26 03 c5 08 66 0f 1f 44 00 00 f3 RSP: 0018:ffffc900050bf820 EFLAGS: 00010293 RAX: ffffffff825259ba RBX: 0000000000000000 RCX: ffff888028b75940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900050bf9f0 R08: ffffffff825252b4 R09: 1ffff11007fe4957 R10: dffffc0000000000 R11: ffffed1007fe4958 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880267c7464 R15: dffffc0000000000 FS: 00007fb1924866c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea958f02c CR3: 0000000015ba6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5577 [inline] ext4_fill_super+0x6271/0x6d90 fs/ext4/super.c:5712 get_tree_bdev+0x416/0x5b0 fs/super.c:1598 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fb19167e3ea 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:00007fb192485ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb192485f80 RCX: 00007fb19167e3ea RDX: 00000000200004c0 RSI: 0000000020000500 RDI: 00007fb192485f40 RBP: 00000000200004c0 R08: 00007fb192485f80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000500 R13: 00007fb192485f40 R14: 00000000000004e2 R15: 0000000020000600 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:7052 [inline] RIP: 0010:ext4_enable_quotas+0xb7b/0xb90 fs/ext4/super.c:7099 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3a f7 ff ff 49 89 d6 48 89 df e8 a3 15 98 ff 4c 89 f2 e9 27 f7 ff ff e8 a6 10 3c ff 90 <0f> 0b e8 9e 10 3c ff 90 0f 0b e8 26 03 c5 08 66 0f 1f 44 00 00 f3 RSP: 0018:ffffc900050bf820 EFLAGS: 00010293 RAX: ffffffff825259ba RBX: 0000000000000000 RCX: ffff888028b75940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900050bf9f0 R08: ffffffff825252b4 R09: 1ffff11007fe4957 R10: dffffc0000000000 R11: ffffed1007fe4958 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880267c7464 R15: dffffc0000000000 FS: 00007fb1924866c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1dc8d98000 CR3: 0000000015ba6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400