=====================================================
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in _inline_copy_to_user include/linux/uaccess.h:187 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x110 lib/usercopy.c:26
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 _inline_copy_to_user include/linux/uaccess.h:187 [inline]
 _copy_to_user+0xbc/0x110 lib/usercopy.c:26
 copy_to_user include/linux/uaccess.h:216 [inline]
 con_font_get drivers/tty/vt/vt.c:4760 [inline]
 con_font_op+0x14a2/0x1710 drivers/tty/vt/vt.c:4854
 compat_kdfontop_ioctl drivers/tty/vt/vt_ioctl.c:1020 [inline]
 vt_compat_ioctl+0x79b/0x990 drivers/tty/vt/vt_ioctl.c:1079
 tty_compat_ioctl+0x801/0xce0 drivers/tty/tty_io.c:2982
 __do_compat_sys_ioctl fs/ioctl.c:1007 [inline]
 __se_compat_sys_ioctl+0x785/0x1080 fs/ioctl.c:950
 __ia32_compat_sys_ioctl+0x93/0xe0 fs/ioctl.c:950
 ia32_sys_call+0x32a2/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:55
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 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+0x22c/0x370 mm/slub.c:4219
 __kmalloc_large_node_noprof+0x3f/0x1e0 mm/slub.c:4236
 __do_kmalloc_node mm/slub.c:4252 [inline]
 __kmalloc_node_noprof+0x9d6/0xf50 mm/slub.c:4270
 __kvmalloc_node_noprof+0xc0/0x2d0 mm/util.c:658
 con_font_get drivers/tty/vt/vt.c:4729 [inline]
 con_font_op+0x659/0x1710 drivers/tty/vt/vt.c:4854
 compat_kdfontop_ioctl drivers/tty/vt/vt_ioctl.c:1020 [inline]
 vt_compat_ioctl+0x79b/0x990 drivers/tty/vt/vt_ioctl.c:1079
 tty_compat_ioctl+0x801/0xce0 drivers/tty/tty_io.c:2982
 __do_compat_sys_ioctl fs/ioctl.c:1007 [inline]
 __se_compat_sys_ioctl+0x785/0x1080 fs/ioctl.c:950
 __ia32_compat_sys_ioctl+0x93/0xe0 fs/ioctl.c:950
 ia32_sys_call+0x32a2/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:55
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 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

Bytes 65536-131071 of 131072 are uninitialized
Memory access of size 131072 starts at ffff88805ec00000
Data copied to user address 0000000020000a40

CPU: 1 UID: 0 PID: 20204 Comm: syz.2.6794 Not tainted 6.12.0-rc3-syzkaller-00013-geca631b8fe80 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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