loop3: detected capacity change from 0 to 512 ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6933! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1789 Comm: syz-executor.3 Not tainted 6.1.25-syzkaller-00071-gb1644a0031cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6933 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6980 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4f f9 ff ff 49 89 d7 48 89 df e8 e3 36 bc ff 4c 89 fa e9 3c f9 ff ff e8 66 30 77 ff <0f> 0b e8 5f 30 77 ff 0f 0b e8 d8 e9 d6 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc90001ebf7c0 EFLAGS: 00010293 RAX: ffffffff81fc0f0a RBX: 0000000000000000 RCX: ffff888128e3e480 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001ebf930 R08: ffffffff81fc0a07 R09: ffffed1024f18eb9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88811c97e464 FS: 00007f671840f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb45afadf28 CR3: 000000011e3fd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5516 [inline] ext4_fill_super+0x7c3d/0x8570 fs/ext4/super.c:5659 get_tree_bdev+0x43d/0x670 fs/super.c:1346 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5689 vfs_get_tree+0x88/0x290 fs/super.c:1553 do_new_mount+0x28b/0xac0 fs/namespace.c:3040 path_mount+0x671/0x1070 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3568 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f671767e1ea 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:00007f671840eee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f671840ef80 RCX: 00007f671767e1ea RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007f671840ef40 RBP: 00000000200005c0 R08: 00007f671840ef80 R09: 0000000000200810 R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f671840ef40 R14: 00000000000004da R15: 0000000020001400 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6933 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6980 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4f f9 ff ff 49 89 d7 48 89 df e8 e3 36 bc ff 4c 89 fa e9 3c f9 ff ff e8 66 30 77 ff <0f> 0b e8 5f 30 77 ff 0f 0b e8 d8 e9 d6 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc90001ebf7c0 EFLAGS: 00010293 RAX: ffffffff81fc0f0a RBX: 0000000000000000 RCX: ffff888128e3e480 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001ebf930 R08: ffffffff81fc0a07 R09: ffffed1024f18eb9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88811c97e464 FS: 00007f671840f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f736e978038 CR3: 000000011e3fd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400