From nobody Fri Apr 10 00:55:58 2026 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (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 7DEC83DA5AC for ; Wed, 4 Mar 2026 19:06:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772651180; cv=none; b=IQ4IhGXwega1fzIsc9RAgR5JwjVdC9aU3guAkncvmT9Q6RPnfwwcreaBlTMiB7io1hmPvZQh6P3QhkE3c+suIv6WFVIDEqspO/QJJTG5Yf2XjCzABD/gRqUeALicomblQZ1uY/Qr8mm1itZOM0BoV+tiH8lRULRkI1CElCzMgwU= 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=74.125.82.73 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-dl1-f73.google.com with SMTP id a92af1059eb24-126e8ee6227so12336821c88.0 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=oux0z5OIB4z/5KLGNxv1M6wZoLinuxJIZxxujn+R7vtGSW/7GuogphjJprvF0MJ3HF BNjDqbs6Wi7MsVp+sW/A1smwk3Rv6mzP6stJzhr9ESINcY3F3rYxkjc1d66sq5KG/rSx /dY98CsbNzQP7S16No222XfU2KqYfqrHb2B/haUiarl043F4mysUhPZk4mi8HYX2of6u IcrzH9rZ0W8jYwfV2Yi7F8ikG1WtK9jfjzF/xfaYQODY9AIGPyERegMfhImeFlbmlf1F q+MtB6vB9tNuHaCzhy9ggjerYojJAsBgPsRBno03kYh2Eun8MnSxH/Nd5iH38aBgXo6L nsNg== X-Forwarded-Encrypted: i=1; AJvYcCVOeJq6dInJDiWVQdIuoOnsfqUfDN//C41r9r1YIVVmGPVx5PBWdjcvoA0UURZQ23DlPuIsyfcvUK2ZA8I=@vger.kernel.org X-Gm-Message-State: AOJu0YxCmdsc5PsW/1HHNImW0VEsmX2cd58lWww7OshMj4FmQU5xY+jb NHokhAlxjfoWcCReF8A4st/DyyoLBt0LkA9jHwD+QYUR6HDcmNQ0BdRfWDIg5URpsPHHhg== 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-kernel@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-Transfer-Encoding: quoted-printable 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/Ide471112e82d68177e0faf08ca4= 11d9fcf0a7bdf Signed-off-by: Peter Collingbourne Reviewed-by: Ian Rogers --- 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 =3D map__unmap_ip(map, sym->start); end =3D map__unmap_ip(map, sym->end); =20 - ops->target.outside =3D target.addr < start || target.addr > end; + ops->target.outside =3D target.addr < start || target.addr >=3D end; =20 /* * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): --=20 2.53.0.473.g4a7958ca14-goog