* [tglx-devel:x86/fpu 59/77] arch/x86/kernel/signal.c:914:39: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2021-10-11 0:46 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-10-11 0:46 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 2469 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/fpu
head: a365ccb2764d58791ee5946b16fa0ffceb17021f
commit: bd87a7bff722d5fa9e15fedc40d00d1d840e8361 [59/77] x86/signal: Implement sigaltstack size validation
config: x86_64-randconfig-s031-20211011 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=bd87a7bff722d5fa9e15fedc40d00d1d840e8361
git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
git fetch --no-tags tglx-devel x86/fpu
git checkout bd87a7bff722d5fa9e15fedc40d00d1d840e8361
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/signal.c:914:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
arch/x86/kernel/signal.c:914:39: sparse: expected struct spinlock [usertype] *lock
arch/x86/kernel/signal.c:914:39: sparse: got struct spinlock [noderef] __rcu *
arch/x86/kernel/signal.c:920:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
arch/x86/kernel/signal.c:920:41: sparse: expected struct spinlock [usertype] *lock
arch/x86/kernel/signal.c:920:41: sparse: got struct spinlock [noderef] __rcu *
arch/x86/kernel/signal.c:913:9: sparse: sparse: context imbalance in 'sigaltstack_lock' - wrong count at exit
arch/x86/kernel/signal.c: note: in included file (through include/linux/sched.h):
arch/x86/include/asm/current.h:15:16: sparse: sparse: context imbalance in 'sigaltstack_unlock' - unexpected unlock
vim +914 arch/x86/kernel/signal.c
909
910 #ifdef CONFIG_DYNAMIC_SIGALTSTACK
911 void sigaltstack_lock(void)
912 {
913 if (fpu_state_size_dynamic())
> 914 spin_lock_irq(¤t->sighand->siglock);
915 }
916
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 36646 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* [tglx-devel:x86/fpu 59/77] arch/x86/kernel/signal.c:914:39: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2021-10-11 4:53 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-10-11 4:53 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 2469 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/fpu
head: a365ccb2764d58791ee5946b16fa0ffceb17021f
commit: bd87a7bff722d5fa9e15fedc40d00d1d840e8361 [59/77] x86/signal: Implement sigaltstack size validation
config: x86_64-randconfig-s031-20211011 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=bd87a7bff722d5fa9e15fedc40d00d1d840e8361
git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
git fetch --no-tags tglx-devel x86/fpu
git checkout bd87a7bff722d5fa9e15fedc40d00d1d840e8361
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/signal.c:914:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
arch/x86/kernel/signal.c:914:39: sparse: expected struct spinlock [usertype] *lock
arch/x86/kernel/signal.c:914:39: sparse: got struct spinlock [noderef] __rcu *
arch/x86/kernel/signal.c:920:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
arch/x86/kernel/signal.c:920:41: sparse: expected struct spinlock [usertype] *lock
arch/x86/kernel/signal.c:920:41: sparse: got struct spinlock [noderef] __rcu *
arch/x86/kernel/signal.c:913:9: sparse: sparse: context imbalance in 'sigaltstack_lock' - wrong count at exit
arch/x86/kernel/signal.c: note: in included file (through include/linux/sched.h):
arch/x86/include/asm/current.h:15:16: sparse: sparse: context imbalance in 'sigaltstack_unlock' - unexpected unlock
vim +914 arch/x86/kernel/signal.c
909
910 #ifdef CONFIG_DYNAMIC_SIGALTSTACK
911 void sigaltstack_lock(void)
912 {
913 if (fpu_state_size_dynamic())
> 914 spin_lock_irq(¤t->sighand->siglock);
915 }
916
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 36646 bytes --]
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