From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/testpmd Bug 1834] [dpdk-25.11-rc2] Segmentation fault in Rx offload testcase
Date: Wed, 19 Nov 2025 07:54:57 +0000 [thread overview]
Message-ID: <bug-1834-3@http.bugs.dpdk.org/> (raw)
http://bugs.dpdk.org/show_bug.cgi?id=1834
Bug ID: 1834
Summary: [dpdk-25.11-rc2] Segmentation fault in Rx offload
testcase
Product: DPDK
Version: unspecified
Hardware: All
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: testpmd
Assignee: dev@dpdk.org
Reporter: jiawenwu@trustnetic.com
Target Milestone: ---
There is a bug introduced by:
Commit 066f3d9cc21c ("ethdev: remove callback checks from fast path")
In test case 139.4 <Rx offload per-port setting in command-line>, testpmd set
fwd csum, and only enable Rx csum offload. Meanwhile, driver like txgbe set
'dev->tx_pkt_prepare = NULL' since Tx offload is disabled. Thus
rte_eth_tx_prepare() calls null pointer cause segmentation fault in
pkt_burst_checksum_forward(), bacause NULL check was removed.
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