BUG: memory leak unreferenced object 0xffff88810b1d8000 (size 26640): comm "syz-executor.0", pid 5497, jiffies 4294943681 (age 14.450s) hex dump (first 32 bytes): 03 cc 4b ef 00 00 00 00 00 68 00 00 01 00 00 00 ..K......h...... 0d e4 73 70 56 3e d4 50 e7 4f ba 9e e1 5c c0 c3 ..spV>.P.O...\.. backtrace: [] __do_kmalloc_node mm/slab_common.c:973 [inline] [] __kmalloc+0xba/0x150 mm/slab_common.c:998 [] kmalloc include/linux/slab.h:586 [inline] [] fbcon_set_font+0x1f8/0x580 drivers/video/fbdev/core/fbcon.c:2500 [] con_font_set drivers/tty/vt/vt.c:4626 [inline] [] con_font_op+0x409/0x770 drivers/tty/vt/vt.c:4673 [] vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline] [] vt_ioctl+0x2fe/0x1ea0 drivers/tty/vt/vt_ioctl.c:752 [] tty_ioctl+0x393/0xc50 drivers/tty/tty_io.c:2786 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:870 [inline] [] __se_sys_ioctl fs/ioctl.c:856 [inline] [] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd