================================================================== BUG: KCSAN: data-race in ksys_write / ksys_write write to 0xffff888152770b40 of 8 bytes by task 11913 on cpu 0: ksys_write+0x11e/0x1a0 fs/read_write.c:639 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff888152770b40 of 8 bytes by task 11912 on cpu 1: ksys_write+0x11e/0x1a0 fs/read_write.c:639 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000000000 -> 0x00000000000000c6 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11912 Comm: syz-executor.2 Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 ==================================================================