===================================================== BUG: KMSAN: uninit-value in __bpf_strtoull+0x245/0x5b0 kernel/bpf/helpers.c:465 __bpf_strtoull+0x245/0x5b0 kernel/bpf/helpers.c:465 __bpf_strtoll kernel/bpf/helpers.c:504 [inline] ____bpf_strtol kernel/bpf/helpers.c:525 [inline] bpf_strtol+0x7c/0x270 kernel/bpf/helpers.c:519 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997 __bpf_prog_run96+0xb5/0xe0 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_xdp include/net/xdp.h:514 [inline] xdp_test_run_batch net/bpf/test_run.c:313 [inline] bpf_test_run_xdp_live+0x10a9/0x2f70 net/bpf/test_run.c:384 bpf_prog_test_run_xdp+0xf02/0x1a40 net/bpf/test_run.c:1267 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] __ia32_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5736 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xba/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x7a/0x84 Local variable stack created at: __bpf_prog_run96+0x45/0xe0 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_xdp include/net/xdp.h:514 [inline] xdp_test_run_batch net/bpf/test_run.c:313 [inline] bpf_test_run_xdp_live+0x10a9/0x2f70 net/bpf/test_run.c:384 CPU: 1 PID: 7598 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-13006-g4f55aa85a874 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 =====================================================