linux-hardening - [Bug Report] A compilation failure occurs when landlock and RANDSTRUCT are combined with GCC 14.2.0.

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Message-ID: <337D5D4887277B27+3c677db3-a8b9-47f0-93a4-7809355f1381@uniontech.com>
Date: Thu, 10 Apr 2025 16:11:15 +0800
From: WangYuli <wangyuli@...ontech.com>
To: mic@...ikod.net, gnoack@...gle.com, paul@...l-moore.com,
 jmorris@...ei.org, serge@...lyn.com, kees@...nel.org, masahiroy@...nel.org,
 nathan@...nel.org, nicolas@...sle.eu
Cc: linux-security-module@...r.kernel.org,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 linux-hardening@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: [Bug Report] A compilation failure occurs when landlock and
 RANDSTRUCT are combined with GCC 14.2.0.

[ Compilation failure log: ]

*** WARNING *** there are active plugins, do not report this as a bug 
unless you can reproduce it without enabling an
y plugins.
Event                            | Plugins
PLUGIN_FINISH_TYPE               | randomize_layout_plugin
PLUGIN_FINISH_DECL               | randomize_layout_plugin
PLUGIN_ATTRIBUTES                | latent_entropy_plugin 
randomize_layout_plugin
PLUGIN_START_UNIT                | latent_entropy_plugin stackleak_plugin
PLUGIN_ALL_IPA_PASSES_START      | randomize_layout_plugin
security/landlock/fs.c:In function ‘hook_file_ioctl_common’:
security/landlock/fs.c:1745:61:internal compiler error: in 
count_type_elements, at expr.cc:7075
1745 |                         .u.op = &(struct lsm_ioctlop_audit) {
      |                                                             ^
0x7f27fa6bdca7 __libc_start_call_main
        ../sysdeps/nptl/libc_start_call_main.h:58
0x7f27fa6bdd64 __libc_start_main_impl
        ../csu/libc-start.c:360
Please submit a full bug report, with preprocessed source (by using 
-freport-bug).
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-14/README.Bugs> for instructions.
make[4]: *** [scripts/Makefile.build:203: security/landlock/fs.o] Error 1
make[3]: *** [scripts/Makefile.build:461: security/landlock] Error 2
make[2]: *** [scripts/Makefile.build:461: security] Error 2



[ Reproducing steps: ]

os-release: Debian GNU/Linux trixie/sid

Compiler: gcc version 14.2.0 (Debian 14.2.0-19)

Target: x86_64-linux-gnu

Step: make allmodconfig && make -j$(nproc)



[ Full config ]

Will be repiled to this mail.



Thanks,

-- 

WangYuli

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