=====================================================
BUG: KMSAN: uninit-value in store_utf8 drivers/tty/vt/selection.c:136 [inline]
BUG: KMSAN: uninit-value in vc_selection_store_chars drivers/tty/vt/selection.c:209 [inline]
BUG: KMSAN: uninit-value in vc_do_selection drivers/tty/vt/selection.c:313 [inline]
BUG: KMSAN: uninit-value in vc_selection drivers/tty/vt/selection.c:350 [inline]
BUG: KMSAN: uninit-value in set_selection_kernel+0x2f3f/0x3960 drivers/tty/vt/selection.c:359
 store_utf8 drivers/tty/vt/selection.c:136 [inline]
 vc_selection_store_chars drivers/tty/vt/selection.c:209 [inline]
 vc_do_selection drivers/tty/vt/selection.c:313 [inline]
 vc_selection drivers/tty/vt/selection.c:350 [inline]
 set_selection_kernel+0x2f3f/0x3960 drivers/tty/vt/selection.c:359
 set_selection_user+0xdd/0x120 drivers/tty/vt/selection.c:185
 tioclinux+0x1fd/0x820 drivers/tty/vt/vt.c:3200
 vt_ioctl+0x54a/0x2a30 drivers/tty/vt/vt_ioctl.c:762
 vt_compat_ioctl+0x35f/0x880
 tty_compat_ioctl+0x559/0x910 drivers/tty/tty_io.c:2957
 __do_compat_sys_ioctl fs/ioctl.c:968 [inline]
 __se_compat_sys_ioctl+0x781/0xfa0 fs/ioctl.c:910
 __ia32_compat_sys_ioctl+0x8f/0xd0 fs/ioctl.c:910
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x95/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x53/0x62

Uninit was created at:
 __alloc_pages+0x9f1/0xe80 mm/page_alloc.c:5466
 __alloc_pages_bulk+0x1adc/0x2510 mm/page_alloc.c:5391
 alloc_pages_bulk_array_mempolicy+0xc2f/0xf40 mm/mempolicy.c:2367
 vm_area_alloc_pages mm/vmalloc.c:2915 [inline]
 __vmalloc_area_node mm/vmalloc.c:3011 [inline]
 __vmalloc_node_range+0xad6/0x2700 mm/vmalloc.c:3181
 __vmalloc_node mm/vmalloc.c:3246 [inline]
 vmalloc+0x8c/0xa0 mm/vmalloc.c:3279
 vc_uniscr_alloc drivers/tty/vt/vt.c:347 [inline]
 vc_do_resize+0x6d4/0x2ba0 drivers/tty/vt/vt.c:1249
 vc_resize+0x5a/0x70 drivers/tty/vt/vt.c:1362
 vt_ioctl+0x1eee/0x2a30 drivers/tty/vt/vt_ioctl.c:928
 vt_compat_ioctl+0x35f/0x880
 tty_compat_ioctl+0x559/0x910 drivers/tty/tty_io.c:2957
 __do_compat_sys_ioctl fs/ioctl.c:968 [inline]
 __se_compat_sys_ioctl+0x781/0xfa0 fs/ioctl.c:910
 __ia32_compat_sys_ioctl+0x8f/0xd0 fs/ioctl.c:910
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x95/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x53/0x62

CPU: 0 PID: 21325 Comm: syz-executor.1 Not tainted 5.19.0-rc3-syzkaller-30868-g4b28366af7d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================