* [DPDK/other Bug 2105] pdcp: rte_pktmbuf_prepend() result not checked
@ 2026-11-12 17:31 bugzilla
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From: bugzilla @ 2026-11-12 17:31 UTC (permalink / raw)
To: dev
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.
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2026-11-12 17:31 [DPDK/other Bug 2105] pdcp: rte_pktmbuf_prepend() result not checked bugzilla
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