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BUG: KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free

write to 0xffff88813e92ff28 of 4 bytes by task 21549 on cpu 1:
 __local_list_add_pending kernel/bpf/bpf_lru_list.c:350 [inline]
 bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:449 [inline]
 bpf_lru_pop_free+0xbea/0xcc0 kernel/bpf/bpf_lru_list.c:496
 prealloc_lru_pop kernel/bpf/hashtab.c:311 [inline]
 __htab_lru_percpu_map_update_elem+0xea/0x600 kernel/bpf/hashtab.c:1357
 bpf_percpu_hash_update+0x61/0xa0 kernel/bpf/hashtab.c:2411
 bpf_map_update_value+0x36b/0x570 kernel/bpf/syscall.c:270
 generic_map_update_batch+0x3ff/0x550 kernel/bpf/syscall.c:2044
 bpf_map_do_batch+0x25c/0x380 kernel/bpf/syscall.c:5632
 __sys_bpf+0x5f8/0x7c0 kernel/bpf/syscall.c:-1
 __do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
 __x64_sys_bpf+0x41/0x50 kernel/bpf/syscall.c:6257
 x64_sys_call+0x2aee/0x3000 arch/x86/include/generated/asm/syscalls_64.h:322
 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

read to 0xffff88813e92ff28 of 4 bytes by task 21537 on cpu 0:
 lookup_nulls_elem_raw kernel/bpf/hashtab.c:651 [inline]
 __htab_map_lookup_elem+0xab/0x150 kernel/bpf/hashtab.c:681
 htab_lru_percpu_map_lookup_elem+0x20/0xb0 kernel/bpf/hashtab.c:2345
 bpf_prog_a1f0f1d5e0a3fc03+0x43/0x4b
 bpf_dispatcher_nop_func include/linux/bpf.h:1350 [inline]
 __bpf_prog_run include/linux/filter.h:721 [inline]
 bpf_prog_run include/linux/filter.h:728 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
 bpf_trace_run4+0x117/0x1d0 kernel/trace/bpf_trace.c:2118
 __traceiter_sched_switch+0x3f/0x60 include/trace/events/sched.h:220
 __do_trace_sched_switch include/trace/events/sched.h:220 [inline]
 trace_sched_switch include/trace/events/sched.h:220 [inline]
 __schedule+0xa17/0xb30 kernel/sched/core.c:6926
 __schedule_loop kernel/sched/core.c:7011 [inline]
 schedule+0x5f/0xd0 kernel/sched/core.c:7026
 do_nanosleep+0x96/0x330 kernel/time/hrtimer.c:2116
 hrtimer_nanosleep+0xdd/0x280 kernel/time/hrtimer.c:2163
 common_nsleep+0x62/0x80 kernel/time/posix-timers.c:1352
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1398 [inline]
 __se_sys_clock_nanosleep+0x21a/0x250 kernel/time/posix-timers.c:1375
 __x64_sys_clock_nanosleep+0x55/0x70 kernel/time/posix-timers.c:1375
 x64_sys_call+0x2731/0x3000 arch/x86/include/generated/asm/syscalls_64.h:231
 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: 0x2075fd28 -> 0x7e9360bd

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 21537 Comm: syz.1.5618 Not tainted syzkaller #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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