From e6589450c6a24370dbe1a3c8fabc082b176e96b8 Mon Sep 17 00:00:00 2001 From: Charalampos Stratakis Date: Tue, 16 Dec 2025 03:12:01 +0100 Subject: [PATCH] gh-142779: Initialize reserved field for proper padding The jitdump specification specifies a reserved field for padding. Initialize it so no garbage data is embedded in the jitdump files. --- Python/perf_jit_trampoline.c | 1 + 1 file changed, 1 insertion(+) diff --git a/Python/perf_jit_trampoline.c b/Python/perf_jit_trampoline.c index af7d8f9f1ec0ae..e1bfb09918a1e4 100644 --- a/Python/perf_jit_trampoline.c +++ b/Python/perf_jit_trampoline.c @@ -398,6 +398,7 @@ static void perf_map_jit_write_header(int pid, FILE* out_file) { header.version = 1; // Current jitdump version header.size = sizeof(Header); // Header size for validation header.elf_mach_target = GetElfMachineArchitecture(); // Target architecture + header.reserved = 0; // padding reserved for future use header.process_id = pid; // Process identifier header.time_stamp = get_current_time_microseconds(); // Creation time header.flags = 0; // No special flags currently used