Re: Ubuntu 24.04 rte_pcapng.c warning

[Cody Cheng <ccheng@iol.unh.edu>]

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Here is the warning:

FAILED: lib/76b5a35@@rte_pcapng@sta/pcapng_rte_pcapng.c.o
ccache cc -Ilib/76b5a35@@rte_pcapng@sta -Ilib -I../lib -Ilib/pcapng
-I../lib/pcapng -I. -I../ -Iconfig -I../config -Ilib/eal/include
-I../lib/eal/include -Ilib/eal/linux/include
-I../lib/eal/linux/include -Ilib/eal/x86/include
-I../lib/eal/x86/include -Ilib/eal/common -I../lib/eal/common
-Ilib/eal -I../lib/eal -Ilib/kvargs -I../lib/kvargs -Ilib/log
-I../lib/log -Ilib/telemetry/../metrics -I../lib/telemetry/../metrics
-Ilib/telemetry -I../lib/telemetry -Ilib/ethdev -I../lib/ethdev
-Ilib/net -I../lib/net -Ilib/mbuf -I../lib/mbuf -Ilib/mempool
-I../lib/mempool -Ilib/ring -I../lib/ring -Ilib/meter -I../lib/meter
-fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Wall
-Winvalid-pch -Wextra -Werror -std=c11 -O3 -include rte_config.h
-Wcast-qual -Wdeprecated -Wformat -Wformat-nonliteral
-Wformat-security -Wmissing-declarations -Wmissing-prototypes
-Wnested-externs -Wold-style-definition -Wpointer-arith -Wsign-compare
-Wstrict-prototypes -Wundef -Wwrite-strings
-Wno-address-of-packed-member -Wno-packed-not-aligned
-Wno-missing-field-initializers -Wno-zero-length-bounds -D_GNU_SOURCE
-fPIC -march=native -mrtm -DALLOW_EXPERIMENTAL_API
-DALLOW_INTERNAL_API -Wno-format-truncation
-DRTE_LOG_DEFAULT_LOGTYPE=lib.pcapng -MD -MQ
'lib/76b5a35@@rte_pcapng@sta/pcapng_rte_pcapng.c.o' -MF
'lib/76b5a35@@rte_pcapng@sta/pcapng_rte_pcapng.c.o.d' -o
'lib/76b5a35@@rte_pcapng@sta/pcapng_rte_pcapng.c.o' -c
../lib/pcapng/rte_pcapng.c
In file included from /usr/include/string.h:548,
                 from ../lib/pcapng/rte_pcapng.c:9:
In function ‘memcpy’,
    inlined from ‘pcapng_add_option’ at ../lib/pcapng/rte_pcapng.c:131:2,
    inlined from ‘pcapng_section_block’ at ../lib/pcapng/rte_pcapng.c:192:8:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: error:
argument 2 null where non-null expected [-Werror=nonnull]
   29 |   return __builtin___memcpy_chk (__dest, __src, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   30 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: note: in
a call to built-in function ‘__builtin___memcpy_chk’
In function ‘memcpy’,
    inlined from ‘pcapng_add_option’ at ../lib/pcapng/rte_pcapng.c:131:2,
    inlined from ‘rte_pcapng_add_interface’ at ../lib/pcapng/rte_pcapng.c:308:8:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: error:
argument 2 null where non-null expected [-Werror=nonnull]
   29 |   return __builtin___memcpy_chk (__dest, __src, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   30 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: note: in
a call to built-in function ‘__builtin___memcpy_chk’
In function ‘memcpy’,
    inlined from ‘pcapng_add_option’ at ../lib/pcapng/rte_pcapng.c:131:2,
    inlined from ‘rte_pcapng_write_stats’ at ../lib/pcapng/rte_pcapng.c:371:9:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: error:
argument 2 null where non-null expected [-Werror=nonnull]
   29 |   return __builtin___memcpy_chk (__dest, __src, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   30 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:29:10: note: in
a call to built-in function ‘__builtin___memcpy_chk’
cc1: all warnings being treated as errors


On Tue, May 28, 2024 at 12:32 PM Cody Cheng <ccheng@iol.unh.edu> wrote:

> Hi,
>
> We have added the Ubuntu 24.04 environment to the Community Lab! Due to a
> warning in rte_pcapng.c, we have temporarily disabled Werror. Once this
> warning has been fixed, we will re-enable Werror. I have attached the logs
> for the warning error below.
>
>  log.txt
> <https://drive.google.com/file/d/1qnBcQWg9AHG8RksjGjv8QaqTqw6yC3Gc/view?usp=drive_web>
>
> Thanks,
> Cody
>

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