================================================================== BUG: KCSAN: data-race in strscpy / strscpy write to 0xffff888137909370 of 8 bytes by task 16454 on cpu 0: strscpy+0xa9/0x170 lib/string.c:165 strscpy_pad+0x27/0x80 lib/string_helpers.c:835 __set_task_comm+0x46/0x140 fs/exec.c:1232 set_task_comm include/linux/sched.h:1984 [inline] __kthread_create_on_node+0x2b2/0x320 kernel/kthread.c:474 kthread_create_on_node+0x8a/0xb0 kernel/kthread.c:512 create_worker+0x205/0x330 kernel/workqueue.c:1956 maybe_create_worker kernel/workqueue.c:2208 [inline] manage_workers kernel/workqueue.c:2260 [inline] worker_thread+0x2f6/0xa10 kernel/workqueue.c:2509 kthread+0x1ac/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 read to 0xffff888137909371 of 1 bytes by task 26064 on cpu 1: strscpy+0xde/0x170 lib/string.c:174 ____bpf_get_current_comm kernel/bpf/helpers.c:260 [inline] bpf_get_current_comm+0x45/0x70 kernel/bpf/helpers.c:252 ___bpf_prog_run+0x281/0x3050 kernel/bpf/core.c:1822 __bpf_prog_run32+0x74/0xa0 kernel/bpf/core.c:2043 bpf_dispatcher_nop_func include/linux/bpf.h:1124 [inline] __bpf_prog_run include/linux/filter.h:601 [inline] bpf_prog_run include/linux/filter.h:608 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2263 [inline] bpf_trace_run4+0x9f/0x150 kernel/trace/bpf_trace.c:2304 trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x803/0x900 kernel/sched/core.c:6619 schedule+0x54/0x90 kernel/sched/core.c:6698 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757 kthread+0x12c/0x1e0 kernel/kthread.c:369 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 value changed: 0x74 -> 0x77 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 26064 Comm: kworker/0:1 Not tainted 6.3.0-rc2-syzkaller-00006-gfc89d7fb499b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 ==================================================================