===================================================== BUG: KMSAN: uninit-value in sock_map_delete_elem+0x173/0x250 net/core/sock_map.c:445 sock_map_delete_elem+0x173/0x250 net/core/sock_map.c:445 ____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_run224+0xb5/0xe0 kernel/bpf/core.c:2237 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run10+0x2e2/0x3e0 kernel/trace/bpf_trace.c:2428 __bpf_trace_percpu_alloc_percpu+0x56/0x70 include/trace/events/percpu.h:11 trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline] pcpu_alloc+0x37dd/0x3ad0 mm/percpu.c:1878 __alloc_percpu_gfp+0x40/0x50 mm/percpu.c:1930 bpf_prog_alloc_no_stats+0x1ba/0x6f0 kernel/bpf/core.c:112 bpf_prog_alloc+0x4e/0x330 kernel/bpf/core.c:144 bpf_prog_load+0xf57/0x2e10 kernel/bpf/syscall.c:2805 __sys_bpf+0x770/0xd90 kernel/bpf/syscall.c:5660 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline] __se_sys_bpf kernel/bpf/syscall.c:5765 [inline] __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5765 x64_sys_call+0x96b/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable stack created at: __bpf_prog_run224+0x45/0xe0 kernel/bpf/core.c:2237 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run10+0x2e2/0x3e0 kernel/trace/bpf_trace.c:2428 CPU: 1 PID: 5839 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00296-g5eb4573ea63d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 =====================================================