===================================================== BUG: KMSAN: uninit-value in vsock_assign_transport+0xb03/0xb70 net/vmw_vsock/af_vsock.c:500 vsock_assign_transport+0xb03/0xb70 net/vmw_vsock/af_vsock.c:500 vsock_connect+0x53f/0x1540 net/vmw_vsock/af_vsock.c:1393 __sys_connect_file net/socket.c:2046 [inline] __sys_connect+0x5f9/0x680 net/socket.c:2063 __do_sys_connect net/socket.c:2073 [inline] __se_sys_connect net/socket.c:2070 [inline] __x64_sys_connect+0x91/0xe0 net/socket.c:2070 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slab_common.c:1158 __do_kmalloc_node mm/slab_common.c:995 [inline] __kmalloc_node+0x1d6/0x3c0 mm/slab_common.c:1014 kmalloc_node include/linux/slab.h:620 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:607 kvmalloc include/linux/slab.h:738 [inline] vhost_vsock_dev_open+0x44/0x510 drivers/vhost/vsock.c:658 misc_open+0x668/0x750 drivers/char/misc.c:165 chrdev_open+0x965/0xa90 fs/char_dev.c:414 do_dentry_open+0x11e6/0x2110 fs/open.c:948 vfs_open+0x7e/0xa0 fs/open.c:1082 do_open fs/namei.c:3622 [inline] path_openat+0x4ae2/0x5c70 fs/namei.c:3779 do_filp_open+0x20d/0x590 fs/namei.c:3809 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 1 PID: 5009 Comm: syz-executor160 Not tainted 6.7.0-rc1-syzkaller-00139-g6bc40e44f1dd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 =====================================================