===================================================== BUG: KMSAN: uninit-value in vsock_assign_transport+0xb2a/0xb90 net/vmw_vsock/af_vsock.c:500 vsock_assign_transport+0xb2a/0xb90 net/vmw_vsock/af_vsock.c:500 vsock_connect+0x544/0x1560 net/vmw_vsock/af_vsock.c:1393 __sys_connect_file net/socket.c:2048 [inline] __sys_connect+0x606/0x690 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __ia32_sys_connect+0x90/0xe0 net/socket.c:2072 ia32_sys_call+0x1a1e/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:363 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3994 __do_kmalloc_node mm/slub.c:4027 [inline] __kmalloc_node+0xb10/0x10c0 mm/slub.c:4046 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] vhost_vsock_dev_open+0x44/0x510 drivers/vhost/vsock.c:659 misc_open+0x66b/0x760 drivers/char/misc.c:165 chrdev_open+0xa5f/0xb80 fs/char_dev.c:414 do_dentry_open+0x11f1/0x2120 fs/open.c:955 vfs_open+0x7e/0xa0 fs/open.c:1089 do_open fs/namei.c:3650 [inline] path_openat+0x4a3c/0x5b00 fs/namei.c:3807 do_filp_open+0x20e/0x590 fs/namei.c:3834 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_compat_sys_openat fs/open.c:1481 [inline] __se_compat_sys_openat fs/open.c:1479 [inline] __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1479 ia32_sys_call+0x38e1/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:296 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 PID: 12445 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02339-g101b7a97143a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 =====================================================