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BUG: KCSAN: data-race in __set_task_comm / strlen

write to 0xffff88812af53b98 of 13 bytes by task 13124 on cpu 1:
 __set_task_comm+0x78/0x180 fs/exec.c:1103
 io_wq_worker+0x143/0x9b0 io_uring/io-wq.c:702
 ret_from_fork+0x146/0x330 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

read to 0xffff88812af53b99 of 1 bytes by task 13081 on cpu 0:
 strlen+0x19/0x40 lib/string.c:402
 __fortify_strlen include/linux/fortify-string.h:218 [inline]
 trace_event_get_offsets_sched_stat_runtime include/trace/events/sched.h:560 [inline]
 do_trace_event_raw_event_sched_stat_runtime include/trace/events/sched.h:553 [inline]
 trace_event_raw_event_sched_stat_runtime+0x5a/0x150 include/trace/events/sched.h:553
 __do_trace_sched_stat_runtime include/trace/events/sched.h:576 [inline]
 trace_sched_stat_runtime include/trace/events/sched.h:576 [inline]
 update_se+0x14f/0x3b0 kernel/sched/fair.c:1425
 update_curr+0x1e/0x210 kernel/sched/fair.c:2239
 update_curr_eevdf kernel/sched/fair.c:8196 [inline]
 enqueue_task_fair+0x77/0x850 kernel/sched/fair.c:8226
 enqueue_task kernel/sched/core.c:2194 [inline]
 ttwu_runnable kernel/sched/core.c:3899 [inline]
 try_to_wake_up+0x1ba/0x6d0 kernel/sched/core.c:4346
 signal_wake_up_state kernel/signal.c:740 [inline]
 signal_wake_up include/linux/sched/signal.h:451 [inline]
 retarget_shared_pending+0x188/0x220 kernel/signal.c:3187
 __set_task_blocked kernel/signal.c:3262 [inline]
 __set_current_blocked+0x13b/0x2e0 kernel/signal.c:3293
 set_current_blocked kernel/signal.c:3278 [inline]
 signal_delivered kernel/signal.c:3148 [inline]
 signal_setup_done+0x1d3/0x280 kernel/signal.c:3160
 handle_signal arch/x86/kernel/signal.c:312 [inline]
 arch_do_signal_or_restart+0x2f3/0x480 arch/x86/kernel/signal.c:339
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x14d/0x610 kernel/entry/common.c:165
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:679

value changed: 0x79 -> 0x6f

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 13081 Comm: syz.0.3014 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
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