================================================================== BUG: KCSAN: data-race in set_console / set_console write to 0xffffffff86a1c1cc of 4 bytes by task 14367 on cpu 1: set_console+0x118/0x150 drivers/tty/vt/vt.c:3253 vt_ioctl+0x167f/0x1880 drivers/tty/vt/vt_ioctl.c:853 tty_ioctl+0x7db/0xb80 drivers/tty/tty_io.c:2792 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xce/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x19a8/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffffffff86a1c1cc of 4 bytes by task 14369 on cpu 0: set_console+0x118/0x150 drivers/tty/vt/vt.c:3253 vt_ioctl+0x167f/0x1880 drivers/tty/vt/vt_ioctl.c:853 tty_ioctl+0x7db/0xb80 drivers/tty/tty_io.c:2792 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xce/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x19a8/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffffffff -> 0x00000003 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 14369 Comm: syz.0.3914 Not tainted 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ==================================================================