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Message-ID: <202506201415.KiEs36AG-lkp@intel.com>
Date: Fri, 20 Jun 2025 14:28:53 +0800
From: kernel test robot <lkp@...el.com>
To: Maxime Bélair <maxime.belair@...onical.com>,
linux-security-module@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
john.johansen@...onical.com, paul@...l-moore.com, jmorris@...ei.org,
serge@...lyn.com, mic@...ikod.net, kees@...nel.org,
stephen.smalley.work@...il.com, casey@...aufler-ca.com,
takedakn@...data.co.jp, penguin-kernel@...ove.sakura.ne.jp,
song@...nel.org, linux-api@...r.kernel.org,
apparmor@...ts.ubuntu.com, linux-kernel@...r.kernel.org,
Maxime Bélair <maxime.belair@...onical.com>
Subject: Re: [PATCH v2 2/3] lsm: introduce security_lsm_config_*_policy hooks
Hi Maxime,
kernel test robot noticed the following build errors:
[auto build test ERROR on 9c32cda43eb78f78c73aee4aa344b777714e259b]
url: https://github.com/intel-lab-lkp/linux/commits/Maxime-B-lair/Wire-up-lsm_config_self_policy-and-lsm_config_system_policy-syscalls/20250620-022714
base: 9c32cda43eb78f78c73aee4aa344b777714e259b
patch link: https://lore.kernel.org/r/20250619181600.478038-3-maxime.belair%40canonical.com
patch subject: [PATCH v2 2/3] lsm: introduce security_lsm_config_*_policy hooks
config: x86_64-buildonly-randconfig-003-20250620 (https://download.01.org/0day-ci/archive/20250620/202506201415.KiEs36AG-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250620/202506201415.KiEs36AG-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506201415.KiEs36AG-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/fork.c:52:
>> include/linux/security.h:1614:2: error: expected function body after function declarator
1614 | return -EOPNOTSUPP;
| ^
>> include/linux/security.h:1615:1: error: extraneous closing brace ('}')
1615 | }
| ^
include/linux/security.h:1620:2: error: expected function body after function declarator
1620 | return -EOPNOTSUPP;
| ^
include/linux/security.h:1621:1: error: extraneous closing brace ('}')
1621 | }
| ^
4 errors generated.
--
In file included from kernel/sysctl.c:29:
>> include/linux/security.h:1614:2: error: expected function body after function declarator
1614 | return -EOPNOTSUPP;
| ^
>> include/linux/security.h:1615:1: error: extraneous closing brace ('}')
1615 | }
| ^
include/linux/security.h:1620:2: error: expected function body after function declarator
1620 | return -EOPNOTSUPP;
| ^
include/linux/security.h:1621:1: error: extraneous closing brace ('}')
1621 | }
| ^
In file included from kernel/sysctl.c:46:
In file included from include/linux/nfs_fs.h:31:
In file included from include/linux/sunrpc/auth.h:13:
In file included from include/linux/sunrpc/sched.h:19:
include/linux/sunrpc/xdr.h:803:46: warning: result of comparison of constant 4611686018427387903 with expression of type '__u32' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare]
803 | if (U32_MAX >= SIZE_MAX / sizeof(*p) && len > SIZE_MAX / sizeof(*p))
| ~~~ ^ ~~~~~~~~~~~~~~~~~~~~~
1 warning and 4 errors generated.
--
In file included from kernel/signal.c:30:
>> include/linux/security.h:1614:2: error: expected function body after function declarator
1614 | return -EOPNOTSUPP;
| ^
>> include/linux/security.h:1615:1: error: extraneous closing brace ('}')
1615 | }
| ^
include/linux/security.h:1620:2: error: expected function body after function declarator
1620 | return -EOPNOTSUPP;
| ^
include/linux/security.h:1621:1: error: extraneous closing brace ('}')
1621 | }
| ^
kernel/signal.c:142:37: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
142 | case 4: ready = signal->sig[3] &~ blocked->sig[3];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:142:19: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
142 | case 4: ready = signal->sig[3] &~ blocked->sig[3];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:143:30: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
143 | ready |= signal->sig[2] &~ blocked->sig[2];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:143:12: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
143 | ready |= signal->sig[2] &~ blocked->sig[2];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:144:30: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
144 | ready |= signal->sig[1] &~ blocked->sig[1];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:144:12: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
144 | ready |= signal->sig[1] &~ blocked->sig[1];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:148:37: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
148 | case 2: ready = signal->sig[1] &~ blocked->sig[1];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
kernel/signal.c:148:19: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
148 | case 2: ready = signal->sig[1] &~ blocked->sig[1];
| ^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
24 | unsigned long sig[_NSIG_WORDS];
| ^
8 warnings and 4 errors generated.
--
In file included from kernel/dma/swiotlb.c:53:
In file included from include/trace/events/swiotlb.h:41:
In file included from include/trace/define_trace.h:119:
In file included from include/trace/trace_events.h:21:
In file included from include/linux/trace_events.h:10:
In file included from include/linux/perf_event.h:62:
>> include/linux/security.h:1614:2: error: expected function body after function declarator
1614 | return -EOPNOTSUPP;
| ^
>> include/linux/security.h:1615:1: error: extraneous closing brace ('}')
1615 | }
| ^
include/linux/security.h:1620:2: error: expected function body after function declarator
1620 | return -EOPNOTSUPP;
| ^
include/linux/security.h:1621:1: error: extraneous closing brace ('}')
1621 | }
| ^
kernel/dma/swiotlb.c:639:20: warning: shift count >= width of type [-Wshift-count-overflow]
639 | phys_limit < DMA_BIT_MASK(64) &&
| ^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:73:54: note: expanded from macro 'DMA_BIT_MASK'
73 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
| ^ ~~~
1 warning and 4 errors generated.
--
In file included from kernel/events/core.c:34:
In file included from include/linux/syscalls.h:94:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:10:
In file included from include/linux/perf_event.h:62:
>> include/linux/security.h:1614:2: error: expected function body after function declarator
1614 | return -EOPNOTSUPP;
| ^
>> include/linux/security.h:1615:1: error: extraneous closing brace ('}')
1615 | }
| ^
include/linux/security.h:1620:2: error: expected function body after function declarator
1620 | return -EOPNOTSUPP;
| ^
include/linux/security.h:1621:1: error: extraneous closing brace ('}')
1621 | }
| ^
In file included from kernel/events/core.c:43:
include/linux/mman.h:157:9: warning: division by zero is undefined [-Wdivision-by-zero]
157 | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:135:21: note: expanded from macro '_calc_vm_trans'
135 | : ((x) & (bit1)) / ((bit1) / (bit2))))
| ^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero]
158 | _calc_vm_trans(flags, MAP_STACK, VM_NOHUGEPAGE) |
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:135:21: note: expanded from macro '_calc_vm_trans'
135 | : ((x) & (bit1)) / ((bit1) / (bit2))))
| ^ ~~~~~~~~~~~~~~~~~
2 warnings and 4 errors generated.
vim +1614 include/linux/security.h
1610
1611 static int security_lsm_config_self_policy(u32 lsm_id, u32 op, void __user *buf,
1612 size_t size, u32 flags)
1613
> 1614 return -EOPNOTSUPP;
> 1615 }
1616
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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