From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/other Bug 2105] pdcp: rte_pktmbuf_prepend() result not checked
Date: Thu, 12 Nov 2026 17:31:02 +0000 [thread overview]
Message-ID: <bug-2105-3@https.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=2105
Bug ID: 2105
Summary: pdcp: rte_pktmbuf_prepend() result not checked
Product: DPDK
Version: 26.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: stephen@networkplumber.org
Target Milestone: ---
Found by building with GCC 16 and -fanalyzer
lib/pdcp/pdcp_process.c:59, :146 and :167 call rte_pktmbuf_prepend(mb, 8) and
write through the result with rte_memcpy(). With less than 8 bytes of headroom
the result is NULL and the datapath crashes.
--
You are receiving this mail because:
You are the assignee for the bug.
reply other threads:[~2026-11-12 17:31 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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-2105-3@https.bugs.dpdk.org/ \
--to=bugzilla@dpdk.org \
--cc=dev@dpdk.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