===================================================== 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_run288+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_prog_run_pin_on_cpu include/linux/filter.h:681 [inline] bpf_flow_dissect+0x3bf/0x4c0 net/core/flow_dissector.c:991 bpf_prog_test_run_flow_dissector+0x6f8/0xa30 net/bpf/test_run.c:1361 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4269 __sys_bpf+0x6aa/0xd90 kernel/bpf/syscall.c:5678 __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_run288+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_prog_run_pin_on_cpu include/linux/filter.h:681 [inline] bpf_flow_dissect+0x3bf/0x4c0 net/core/flow_dissector.c:991 CPU: 0 PID: 7823 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 =====================================================