rust_binder: Write failure EFAULT in pid:11 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10900 at arch/x86/kvm/x86.c:11569 kvm_arch_vcpu_ioctl_run+0x12af/0x1aa0 arch/x86/kvm/x86.c:11569 Modules linked in: CPU: 0 UID: 0 PID: 10900 Comm: syz.2.3354 Not tainted 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x12af/0x1aa0 arch/x86/kvm/x86.c:11569 Code: 7e 3b e8 34 06 6a 00 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 4c 8b 64 24 40 48 8b 5c 24 28 e9 26 fd ff ff e8 11 06 6a 00 <0f> 0b e9 e4 fc ff ff e8 05 06 6a 00 0f 0b e9 0e fd ff ff e8 f9 05 RSP: 0018:ffffc9000eeaf9c0 EFLAGS: 00010293 RAX: ffffffff811bd81f RBX: ffff8881424e0000 RCX: ffff888116ce8000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000eeafc70 R08: ffff888116ce8007 R09: 1ffff11022d9d000 R10: dffffc0000000000 R11: ffffed1022d9d001 R12: ffff88811cf4a000 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8881424e0078 FS: 00007fd9ddf676c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd9ddf24f98 CR3: 000000011807e000 CR4: 00000000003526b0 DR0: 000000009d589713 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x96f/0xee0 virt/kvm/kvm_main.c:4511 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0x135/0x1b0 fs/ioctl.c:893 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fd9dd18ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fd9ddf67038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd9dd3b5fa0 RCX: 00007fd9dd18ebe9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 RBP: 00007fd9dd211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd9dd3b6038 R14: 00007fd9dd3b5fa0 R15: 00007ffc54676648 ---[ end trace 0000000000000000 ]---