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Bug#966883: procenv: FTBFS: platform/linux/platform.c:1266:21: error: ‘%s’ directive writing up to 1017 bytes into a region of size 16 [-Werror=format-overflow=]

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Source: procenv
Version: 0.50-1.1
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200802 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> gcc -DHAVE_CONFIG_H -I. -I..  -I . -I ./platform  -I ./platform/linux -D PROCENV_PLATFORM_LINUX         -Wdate-time -D_FORTIFY_SOURCE=2 -pedantic -std=gnu99 -Wall -Wunused -fstack-protector -Wformat  -fdata-sections -ffunction-sections -Werror -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -c -o platform/linux/procenv-platform.o `test -f 'platform/linux/platform.c' || echo './'`platform/linux/platform.c
> platform/linux/platform.c: In function ‘handle_proc_branch_linux’:
> platform/linux/platform.c:1266:21: error: ‘%s’ directive writing up to 1017 bytes into a region of size 16 [-Werror=format-overflow=]
>  1265 |     p += 1+strlen ("Name:"); /* jump over tab char */
>       |     ~~~~~~~~~~~~~~~~~~~~~~~
>  1266 |     sprintf (name, "%s", p);
>       |                     ^~
> In file included from /usr/include/stdio.h:867,
>                  from ./platform.h:22,
>                  from platform/linux/platform-linux.h:25,
>                  from platform/linux/platform.c:19:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 1 and 1018 bytes into a destination of size 16
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> platform/linux/platform.c:1271:21: error: ‘%s’ directive writing up to 1017 bytes into a region of size 16 [-Werror=format-overflow=]
>  1270 |     p += 1+strlen ("PPid:"); /* jump over tab char */
>       |     ~~~~~~~~~~~~~~~~~~~~~~~
>  1271 |     sprintf (ppid, "%s", p);
>       |                     ^~
> In file included from /usr/include/stdio.h:867,
>                  from ./platform.h:22,
>                  from platform/linux/platform-linux.h:25,
>                  from platform/linux/platform.c:19:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 1 and 1018 bytes into a destination of size 16
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> make[3]: *** [Makefile:786: platform/linux/procenv-platform.o] Error 1

The full build log is available from:
   http://qa-logs.debian.net/2020/08/02/procenv_0.50-1.1_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.

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Bug#966883: procenv: FTBFS: platform/linux/platform.c:1266:21: error: ‘%s’ directive writing up to 1017 bytes into a region of size 16 [-Werror=format-overflow=] Lucas Nussbaum <lucas@debian.org> - 2020-08-03 10:30 +0200

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