linux-kernel - net/sunrpc/sched.c: error: result of comparison against a string literal is unspecified (use an explicit string comparison function instead)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Mon, 18 Mar 2024 14:55:54 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Netdev <netdev@...r.kernel.org>, clang-built-linux <llvm@...ts.linux.dev>, 
	open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org
Cc: "David S. Miller" <davem@...emloft.net>, Nathan Chancellor <nathan@...nel.org>, 
	Trond Myklebust <trond.myklebust@...merspace.com>, Eric Dumazet <edumazet@...gle.com>
Subject: net/sunrpc/sched.c: error: result of comparison against a string
 literal is unspecified (use an explicit string comparison function instead)

The following build warnings / errors noticed on x86 kselftests build with
clang nightly  / clang-17 on Linux  next tag next-20240318.

This build config is generated from kselftest merge configs [1].

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Build log:
-----------
In file included from net/sunrpc/sched.c:31:
In file included from include/trace/events/sunrpc.h:2524:
In file included from include/trace/define_trace.h:102:
In file included from include/trace/trace_events.h:419:
include/trace/events/sunrpc.h:707:4: error: result of comparison
against a string literal is unspecified (use an explicit string
comparison function instead) [-Werror,-Wstring-compare]
  667 |                         __assign_str(progname,
      |                         ~~~~~~~~~~~~~~~~~~~~~~
  668 |                                      task->tk_client->cl_program->name);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  669 |                         __entry->version = task->tk_client->cl_vers;
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  670 |                         __assign_str(procedure,
task->tk_msg.rpc_proc->p_name);
      |

[1] steps to reproduce:
-----------
tuxmake --runtime podman --target-arch x86_64 --toolchain
clang-nightly --kconfig
https://storage.tuxsuite.com/public/linaro/lkft/builds/2dqIWv3Qq5qYmJfnmKfkSg9fvN0/config
LLVM=1 LLVM_IAS=1 debugkernel cpupower headers kernel kselftest
modules


Links:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2dqIWv3Qq5qYmJfnmKfkSg9fvN0/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240318/testrun/23069554/suite/build/test/clang-nightly-lkftconfig-kselftest/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240318/testrun/23069554/suite/build/test/clang-nightly-lkftconfig-kselftest/details/


--
Linaro LKFT
https://lkft.linaro.org