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BUG: KMSAN: uninit-value in spin_lock_bh include/linux/spinlock.h:356 [inline]
BUG: KMSAN: uninit-value in sock_hash_delete_elem+0x239/0x710 net/core/sock_map.c:945
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 sock_hash_delete_elem+0x239/0x710 net/core/sock_map.c:945
 ____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]
 bpf_map_delete_elem+0x5c/0x80 kernel/bpf/helpers.c:73
 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
 __bpf_prog_run32+0xb2/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420
 __bpf_trace_kfree+0x29/0x40 include/trace/events/kmem.h:94
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x69e/0xa60 mm/slub.c:4450
 security_task_free+0x115/0x150 security/security.c:3032
 __put_task_struct+0x17f/0x730 kernel/fork.c:977
 put_task_struct include/linux/sched/task.h:138 [inline]
 delayed_put_task_struct+0x8a/0x280 kernel/exit.c:229
 rcu_do_batch kernel/rcu/tree.c:2535 [inline]
 rcu_core+0xa59/0x1e70 kernel/rcu/tree.c:2809
 rcu_core_si+0x12/0x20 kernel/rcu/tree.c:2826
 handle_softirqs+0x1d8/0x810 kernel/softirq.c:554
 run_ksoftirqd+0x29/0x50 kernel/softirq.c:928
 smpboot_thread_fn+0x555/0xa60 kernel/smpboot.c:164
 kthread+0x3e2/0x540 kernel/kthread.c:389
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Local variable stack created at:
 __bpf_prog_run32+0x43/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420

CPU: 1 PID: 24 Comm: ksoftirqd/1 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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