SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7243 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7243 comm=syz-executor.1 IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7243 comm=syz-executor.1 ================================================================== BUG: KASAN: global-out-of-bounds in memcpy include/linux/string.h:348 [inline] BUG: KASAN: global-out-of-bounds in soft_cursor+0x448/0xa20 drivers/video/fbdev/core/softcursor.c:70 Read of size 32 at addr ffffffff87cd75a0 by task syz-executor.2/7271 CPU: 1 PID: 7271 Comm: syz-executor.2 Not tainted 4.19.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 print_address_description.cold+0x5/0x212 mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report mm/kasan/report.c:412 [inline] kasan_report.cold+0x88/0x2b9 mm/kasan/report.c:396 memcpy+0x20/0x50 mm/kasan/kasan.c:302 memcpy include/linux/string.h:348 [inline] soft_cursor+0x448/0xa20 drivers/video/fbdev/core/softcursor.c:70 bit_cursor+0x1230/0x1900 drivers/video/fbdev/core/bitblit.c:386 fbcon_cursor+0x572/0x760 drivers/video/fbdev/core/fbcon.c:1372 hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:897 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1001 fbcon_do_set_font+0x727/0xa30 drivers/video/fbdev/core/fbcon.c:2586 fbcon_copy_font+0x125/0x190 drivers/video/fbdev/core/fbcon.c:2601 con_font_copy drivers/tty/vt/vt.c:4580 [inline] con_font_op+0x63f/0x1130 drivers/tty/vt/vt.c:4595 vt_ioctl+0x16f1/0x2500 drivers/tty/vt/vt_ioctl.c:980 tty_ioctl+0x7a1/0x1420 drivers/tty/tty_io.c:2669 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c829 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7243 comm=syz-executor.1 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5c82bc2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004e6640 RCX: 000000000045c829 RDX: 0000000020000040 RSI: 0000000000004b72 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000036c R14: 00000000004c5dcb R15: 00007f5c82bc36d4 The buggy address belongs to the variable: str__msr__trace_system_name+0x140/0x940 Memory state around the buggy address: ffffffff87cd7480: fa fa fa fa 00 00 01 fa fa fa fa fa 04 fa fa fa ffffffff87cd7500: fa fa fa fa 00 00 00 00 06 fa fa fa fa fa fa fa >ffffffff87cd7580: 00 00 00 fa fa fa fa fa 00 00 00 fa fa fa fa fa ^ ffffffff87cd7600: 00 00 00 03 fa fa fa fa 00 00 00 04 fa fa fa fa SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7243 comm=syz-executor.1 ffffffff87cd7680: 00 00 00 00 03 fa fa fa fa fa fa fa 00 00 07 fa ==================================================================