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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [dpdk-dev] [Bug 720] clang add -Db_sanitize=address compilation option compilation failed
Date: Tue, 25 May 2021 07:02:57 +0000	[thread overview]
Message-ID: <bug-720-3@http.bugs.dpdk.org/> (raw)

https://bugs.dpdk.org/show_bug.cgi?id=720

            Bug ID: 720
           Summary: clang add -Db_sanitize=address compilation option
                    compilation failed
           Product: DPDK
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: meson
          Assignee: dev@dpdk.org
          Reporter: zhihongx.peng@intel.com
  Target Milestone: ---

Environment
DPDK：21.05
clang : 9.0.0

Test Setup
1. CC=clang meson --werror -Denable_kmods=True -Dbuildtype=debug
-Db_lundef=false -Db_sanitize=address x86_64-native-linuxapp-clang
-fsanitize=address: Turn on memory out-of-bounds detection.
-Db_lundef=false： Db_lundef is turned on by default and needs to be turned off.
2. ninja -C x86_64-native-linuxapp-clang -j 110
3. expect result
compile pass
actual result
compile fail
error log:
drivers/rte_bus_fslmc.pmd.c:2:16: error: null character ignored
[-Werror,-Wnull-character]
const char
dpbp<U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000>_pmd_info[]
__attribute__((used)) = "PMD_INFO_STRING= {\"name\":
\"dpbp\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\",
\"pci_ids\": []}";

rte_bus_fslmc.pmd.c information:
static __attribute__((unused)) const char *generator =
"../buildtools/pmdinfogen.py";
const char
dpbp^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@_pmd_info[]
__attribute__((used)) = "PMD_INFO_STRING= {\"name\":
\"dpbp\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\",
\"pci_ids\": []}";
const char
dpci^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@_pmd_info[]
__attribute__((used)) = "PMD_INFO_STRING= {\"name\":
\"dpci\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\",
\"pci_ids\": []}";
const char
dpio^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@_pmd_info[]
__attribute__((used)) = "PMD_INFO_STRING= {\"name\":
\"dpio\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\",
\"pci_ids\": []}";

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             reply	other threads:[~2021-05-25  7:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25  7:02 bugzilla [this message]
2021-07-05  9:48 ` [dpdk-dev] [Bug 720] clang add -Db_sanitize=address compilation option compilation failed bugzilla

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