===================================================== BUG: KMSAN: uninit-value in ___bpf_prog_run+0xa4d1/0xe0f0 kernel/bpf/core.c:2072 ___bpf_prog_run+0xa4d1/0xe0f0 kernel/bpf/core.c:2072 __bpf_prog_run512+0xb5/0xe0 kernel/bpf/core.c:2238 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_test_run+0x499/0xc30 net/bpf/test_run.c:425 bpf_prog_test_run_skb+0x14ea/0x1f20 net/bpf/test_run.c:1058 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4240 __sys_bpf+0x6aa/0xd90 kernel/bpf/syscall.c:5649 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5736 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x72/0x7a Uninit was stored to memory at: ___bpf_prog_run+0x9098/0xe0f0 __bpf_prog_run512+0xb5/0xe0 kernel/bpf/core.c:2238 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_test_run+0x499/0xc30 net/bpf/test_run.c:425 bpf_prog_test_run_skb+0x14ea/0x1f20 net/bpf/test_run.c:1058 bpf_prog_test_run+0x6b7/0xad0 kernel/bpf/syscall.c:4240 __sys_bpf+0x6aa/0xd90 kernel/bpf/syscall.c:5649 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5736 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x72/0x7a Local variable stack created at: __bpf_prog_run512+0x45/0xe0 kernel/bpf/core.c:2238 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_test_run+0x499/0xc30 net/bpf/test_run.c:425 CPU: 0 PID: 5608 Comm: syz-executor.0 Not tainted 6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 =====================================================