From: "ross at burtonini dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug translator/28778] New: printf() generated code causes GCC errors
Date: Thu, 13 Jan 2022 21:24:29 +0000 [thread overview]
Message-ID: <bug-28778-6586@http.sourceware.org/bugzilla/> (raw)
https://sourceware.org/bugzilla/show_bug.cgi?id=28778
Bug ID: 28778
Summary: printf() generated code causes GCC errors
Product: systemtap
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: translator
Assignee: systemtap at sourceware dot org
Reporter: ross at burtonini dot com
Target Milestone: ---
With a trivial probe using printf:
probe oneshot { printf("Hello, %s\n", "world!") }
I get GCC errors:
In file included from /usr/share/systemtap/runtime/linux/print.c:18,
from /usr/share/systemtap/runtime/print.c:17,
from /usr/share/systemtap/runtime/runtime_context.h:22,
from /tmp/stapGu6dBo/stap_3672_src.c:54:
/usr/share/systemtap/runtime/vsprintf.c: In function
'_stp_vsprint_memory_size.constprop':
/usr/share/systemtap/runtime/vsprintf.c:413:23: error: 'strnlen' specified
bound 4294967295 may exceed maximum object size 2147483647
[-Werror=stringop-overread]
413 | len = strnlen(ptr, precision);
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/share/systemtap/runtime/vsprintf.c: In function
'_stp_vsprint_memory.constprop':
/usr/share/systemtap/runtime/vsprintf.c:341:23: error: 'strnlen' specified
bound 4294967295 may exceed maximum object size 2147483647
[-Werror=stringop-overread]
341 | len = strnlen(ptr, precision);
| ^~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Kernel 5.10.97, SystemTap 4.6, GCC 11.2 on qemu-system-arm (32-bit).
--
You are receiving this mail because:
You are the assignee for the bug.
next reply other threads:[~2022-01-13 21:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-13 21:24 ross at burtonini dot com [this message]
2022-01-13 23:35 ` [Bug translator/28778] " fche at redhat dot com
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-28778-6586@http.sourceware.org/bugzilla/ \
--to=sourceware-bugzilla@sourceware.org \
--cc=systemtap@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).