Skip to contentSkip to conversation

pdcp: rte_pktmbuf_prepend() result not checked

DPDK/other Bug 2105 [email protected] 1 participant 1 message Nov 12

lore
Share & tools
lore

[email protected]

author
#0 lore 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: [email protected]
          Reporter: [email protected]

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.

Signature · 2 lines
You are receiving this mail because:
You are the assignee for the bug.