From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f201.google.com (mail-dy1-f201.google.com [74.125.82.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 851A13DA5B2 for ; Wed, 4 Mar 2026 19:06:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772651180; cv=none; b=TY2wjMUNWhPcyUdyvBwE6XLsDdteFsmwQrFnEBSWbtmm8rIZKe1FFrsHSDEkggQL3Juc9FklvbUzbqQ78XYBxyxNb3RG/S2V6NrYQYvDokaVoOWAlU8IyoO7WHE/D78i57KvjiObMAIHZ14TF7Xf4Nk0MmNSViW33ClLcjIThhE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772651180; c=relaxed/simple; bh=rgHhhK904eJTrKQNA3d+lrJY9I8xSxH1hvgB75KvjM8=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=HLaMMwKKOpDPJWkXErSTYzrlzzIElng4VcSDQOyO3T2CQKcXY1VLh9/UPXXibb233LDRaFRUGn91CcqJYbIrgQNdcEii09cPOVZkPcfIY5KtCotGynKQJidGciUSjWpnUEdSoSNB4aJxqvvxBouJJtMgH5rUmrFzU0qGu7qGWfc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--pcc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=ifNlccI7; arc=none smtp.client-ip=74.125.82.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--pcc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ifNlccI7" Received: by mail-dy1-f201.google.com with SMTP id 5a478bee46e88-2be1bc0905bso2769007eec.1 for ; Wed, 04 Mar 2026 11:06:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1772651179; x=1773255979; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=aZoK9TpWtH8M9FGRXi7BDR9wHii+12mE/LlkI5rGic4=; b=ifNlccI7BskY05SBUgIoFtPJaeL1DJWN8e7Eyz8/Tl0u3dkG7j4cwIXVlqX3JXzTpy g64AhoX9IGb0UCoftcEdZizc7bKCPw4qJ4s+hNx0ktAA+nnTEB1OmphSFqmwl6veelA9 dv/bfOQkr+T1m2RYVS8OfcLWa4vBBv0sONagJlHD+R83u5z6W0jbkX5xbyxbmcw6448W byj3VCSyAUgKwYXjzeoVDo6LFerKceXcA6Pk02ffFYPByfSSKueJOFNwzVSN5uYZMsAE NAfgeg6YNO6ARFTIGM9/IveYJMl8ZZTYWDcQ2L9ee+sYeRpMca4cvm2ybIRdt+VKWM6v f0RA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772651179; x=1773255979; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=aZoK9TpWtH8M9FGRXi7BDR9wHii+12mE/LlkI5rGic4=; b=sZ7nzlZ2Yy0q+xzeCfqjWGob7jCuWgm9UR40C3XBpLyaXZoTUVd7U20HMGf0Q86kkq ueH4HE+skFIZeeoadqr7S0nHVoIPqnfl5RPPyckKGpNmiWl0LGMBa1k4HfMMLG2k5yBY MMuFTmFUJosaJOlYAgBHU0iLrEXJgyUs+4M/yvdEWRq+MuCjKVC0r1aECNHHXiGsHvYO Y9ffoiOlC15EwHpvDJxtmjsv3le7wIM4uxvQ2xRD1rcoQGC09uK5UnbAnX0n2TmtjJjU lxmhNt2EywXB/ChYWIG/kUw+eF2Xf61zwPOjnGpdCFyLPhOJpwYp9Dyj4P7YNVdPfzGy kEfQ== X-Forwarded-Encrypted: i=1; AJvYcCVHfZsohIyQORfU6sl9neICLHt1bjEwlZO+8RGIct+E14frGsQczosVUdSE5oRCtI+Uj4Ffs7jvlIo6roTk2889@vger.kernel.org X-Gm-Message-State: AOJu0YyV6Gg0CQWDQ6LyYfTL7cM6Sah/+mTUGWt73wsQ/W+eABxTGIQq jmeepEFLgDCE+7KCo3YJO4VU2OrucpfnpXEkWTk7obq9xS6Jh41mOugthC9y7KymtGfQsg== X-Received: from dlbuy16.prod.google.com ([2002:a05:7022:1e10:b0:127:32c4:b97b]) (user=pcc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:6609:b0:123:2ee9:d1b3 with SMTP id a92af1059eb24-128b7075854mr1369664c88.2.1772651178263; Wed, 04 Mar 2026 11:06:18 -0800 (PST) Date: Wed, 4 Mar 2026 11:06:12 -0800 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.53.0.473.g4a7958ca14-goog Message-ID: <20260304190613.2507582-1-pcc@google.com> Subject: [PATCH] perf disasm: Fix off-by-one bug in outside check From: Peter Collingbourne To: Ian Rogers Cc: Peter Collingbourne , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , James Clark , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" If a branch target points to one past the end of a function, the branch should be treated as a branch to another function. This can happen e.g. with a tail call to a function that is laid out immediately after the caller. Link: https://linux-review.googlesource.com/id/Ide471112e82d68177e0faf08ca411d9fcf0a7bdf Signed-off-by: Peter Collingbourne --- tools/perf/util/disasm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/disasm.c b/tools/perf/util/disasm.c index ddcc488f2e5f0..9e0420e14be19 100644 --- a/tools/perf/util/disasm.c +++ b/tools/perf/util/disasm.c @@ -384,7 +384,7 @@ static int jump__parse(const struct arch *arch, struct ins_operands *ops, struct start = map__unmap_ip(map, sym->start); end = map__unmap_ip(map, sym->end); - ops->target.outside = target.addr < start || target.addr > end; + ops->target.outside = target.addr < start || target.addr >= end; /* * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): -- 2.53.0.473.g4a7958ca14-goog