5 bytes into a region of size 113 [-Wformat-truncation=]
  143 |     snprintf(filename, 128, "%s/%s/statistics/tx_bytes", SYSCLASSNET, ent->d_name);
      |                                 ^~
In file included from /usr/include/stdio.h:872,
                 from /usr/include/c++/10/cstdio:42,
                 from /usr/include/c++/10/ext/string_conversions.h:43,
                 from /usr/include/c++/10/bits/basic_string.h:6535,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from ./Xrm.h:12,
                 from ./xwin.h:4,
                 from ./xosview.h:10,
                 from ./meter.h:10,
                 from ./fieldmeter.h:10,
                 from ./fieldmeterdecay.h:19,
                 from ./fieldmetergraph.h:15,
                 from linux/netmeter.h:10,
                 from linux/netmeter.cc:10:
/usr/include/bits/stdio2.h:70:35: note: '__builtin___snprintf_chk' output between 36 and 291 bytes into a destination of size 128
   70 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |        __bos (__s), __fmt, __va_arg_pack ());
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
g++  -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -fasynchronous-unwind-tables -fstack-clash-protection -I. -MMD -Ilinux/  -c -o linux/raidmeter.o linux/raidmeter.cc
g++  -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -fasynchronous-unwind-tables -fstack-clash-protection -I. -MMD -Ilinux/  -c -o linux/serialmeter.o linux/serialmeter.cc
linux/nfsmeter.cc: In member function 'virtual void NFSDStats::checkevent()':
linux/nfsmeter.cc:96:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   96 |     if (t < 0)
      |     ^~
linux/nfsmeter.cc:99:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   99 |  maxpackets_ = MAX(netcnt, calls) - _lastNetCnt;
      |  ^~~~~~~~~~~
linux/nfsmeter.cc: In member function 'virtual void NFSStats::checkevent()':
linux/nfsmeter.cc:178:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  178 |     if (t < 0)
      |     ^~
linux/nfsmeter.cc:181:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  181 |  maxpackets_ = calls - _lastcalls;
      |  ^~~~~~~~~~~
linux/serialmeter.cc:34:10: fatal error: sys/io.h: No such file or directory
   34 | #include <sys/io.h>
      |          ^~~~~~~~~~
compilation terminated.
make: *** [<builtin>: linux/serialmeter.o] Error 1
make: *** Waiting for unfinished jobs....
error: Bad exit status from /var/tmp/rpm-tmp.H1CXfD (%build)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.H1CXfD (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/xosview.spec