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From: kernel test robot <lkp@intel.com>
To: "Dmitry V. Levin" <ldv@strace.io>, Oleg Nesterov <oleg@redhat.com>
Cc: oe-kbuild-all@lists.linux.dev,
	Eugene Syromyatnikov <evgsyr@gmail.com>,
	Mike Frysinger <vapier@gentoo.org>,
	Renzo Davoli <renzo@cs.unibo.it>,
	Davide Berardi <berardi.dav@gmail.com>,
	strace-devel@lists.strace.io, linux-kernel@vger.kernel.org,
	linux-api@vger.kernel.org
Subject: Re: [PATCH 5/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO request
Date: Thu, 9 Jan 2025 22:03:21 +0800	[thread overview]
Message-ID: <202501092150.9BH2s9AO-lkp@intel.com> (raw)
In-Reply-To: <20250107230456.GE30633@strace.io>

Hi Dmitry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on openrisc/for-next]
[also build test WARNING on powerpc/next powerpc/fixes s390/features uml/next jcmvbkbc-xtensa/xtensa-for-next arnd-asm-generic/master vgupta-arc/for-curr arm64/for-next/core linus/master uml/fixes tip/x86/core vgupta-arc/for-next v6.13-rc6 next-20250109]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-V-Levin/Revert-arch-remove-unused-function-syscall_set_arguments/20250108-070658
base:   https://github.com/openrisc/linux.git for-next
patch link:    https://lore.kernel.org/r/20250107230456.GE30633%40strace.io
patch subject: [PATCH 5/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO request
config: mips-randconfig-r122-20250109 (https://download.01.org/0day-ci/archive/20250109/202501092150.9BH2s9AO-lkp@intel.com/config)
compiler: mips64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250109/202501092150.9BH2s9AO-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501092150.9BH2s9AO-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/ptrace.c:55:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/ptrace.c:55:22: sparse:    struct task_struct *
   kernel/ptrace.c:55:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/ptrace.c:74:23: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct [noderef] __rcu *parent @@     got struct task_struct *new_parent @@
   kernel/ptrace.c:74:23: sparse:     expected struct task_struct [noderef] __rcu *parent
   kernel/ptrace.c:74:23: sparse:     got struct task_struct *new_parent
   kernel/ptrace.c:75:29: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct cred const [noderef] __rcu *ptracer_cred @@     got struct cred const * @@
   kernel/ptrace.c:75:29: sparse:     expected struct cred const [noderef] __rcu *ptracer_cred
   kernel/ptrace.c:75:29: sparse:     got struct cred const *
   kernel/ptrace.c:129:18: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct cred const *old_cred @@     got struct cred const [noderef] __rcu *ptracer_cred @@
   kernel/ptrace.c:129:18: sparse:     expected struct cred const *old_cred
   kernel/ptrace.c:129:18: sparse:     got struct cred const [noderef] __rcu *ptracer_cred
   kernel/ptrace.c:133:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:133:25: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:133:25: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:160:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:160:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:160:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:192:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:192:28: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:192:28: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:198:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:198:30: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:198:30: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:251:44: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/ptrace.c:251:44: sparse:    struct task_struct [noderef] __rcu *
   kernel/ptrace.c:251:44: sparse:    struct task_struct *
   kernel/ptrace.c:494:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/ptrace.c:494:54: sparse:     expected struct task_struct *parent
   kernel/ptrace.c:494:54: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/ptrace.c:502:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *new_parent @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/ptrace.c:502:53: sparse:     expected struct task_struct *new_parent
   kernel/ptrace.c:502:53: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/ptrace.c:550:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p1 @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/ptrace.c:550:41: sparse:     expected struct task_struct *p1
   kernel/ptrace.c:550:41: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/ptrace.c:552:50: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct sighand_struct *sigh @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/ptrace.c:552:50: sparse:     expected struct sighand_struct *sigh
   kernel/ptrace.c:552:50: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/ptrace.c:743:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:743:37: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:743:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:751:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:751:39: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:751:39: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:862:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:862:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:862:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:866:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:866:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:866:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:1206:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:1206:37: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:1206:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:1208:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:1208:39: sparse:     expected struct spinlock [usertype] *lock
   kernel/ptrace.c:1208:39: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c: note: in included file (through include/linux/fwnode.h, include/linux/logic_pio.h, include/asm-generic/io.h, ...):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   kernel/ptrace.c: note: in included file (through include/linux/rcuwait.h, include/linux/percpu-rwsem.h, include/linux/fs.h, ...):
   include/linux/sched/signal.h:751:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   include/linux/sched/signal.h:751:37: sparse:     expected struct spinlock [usertype] *lock
   include/linux/sched/signal.h:751:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:380:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *l @@     got struct spinlock [noderef] __rcu * @@
   kernel/ptrace.c:380:30: sparse:     expected struct spinlock [usertype] *l
   kernel/ptrace.c:380:30: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:409:12: sparse: sparse: context imbalance in 'ptrace_attach' - different lock contexts for basic block
   kernel/ptrace.c:500:38: sparse: sparse: dereference of noderef expression
   kernel/ptrace.c: note: in included file (through include/linux/fwnode.h, include/linux/logic_pio.h, include/asm-generic/io.h, ...):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   kernel/ptrace.c: note: in included file (through include/linux/rcuwait.h, include/linux/percpu-rwsem.h, include/linux/fs.h, ...):
   include/linux/sched/signal.h:751:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   include/linux/sched/signal.h:751:37: sparse:     expected struct spinlock [usertype] *lock
   include/linux/sched/signal.h:751:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:690:9: sparse: sparse: context imbalance in 'ptrace_getsiginfo' - different lock contexts for basic block
   include/linux/sched/signal.h:751:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   include/linux/sched/signal.h:751:37: sparse:     expected struct spinlock [usertype] *lock
   include/linux/sched/signal.h:751:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:706:9: sparse: sparse: context imbalance in 'ptrace_setsiginfo' - different lock contexts for basic block
   kernel/ptrace.c: note: in included file:
   arch/mips/include/asm/syscall.h:85:25: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int const [noderef] __user *__p @@     got int * @@
   arch/mips/include/asm/syscall.h:85:25: sparse:     expected int const [noderef] __user *__p
   arch/mips/include/asm/syscall.h:85:25: sparse:     got int *
>> arch/mips/include/asm/syscall.h:121:25: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int [noderef] __user *__p @@     got int * @@
   arch/mips/include/asm/syscall.h:121:25: sparse:     expected int [noderef] __user *__p
   arch/mips/include/asm/syscall.h:121:25: sparse:     got int *
   kernel/ptrace.c: note: in included file (through include/linux/rcuwait.h, include/linux/percpu-rwsem.h, include/linux/fs.h, ...):
   include/linux/sched/signal.h:751:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   include/linux/sched/signal.h:751:37: sparse:     expected struct spinlock [usertype] *lock
   include/linux/sched/signal.h:751:37: sparse:     got struct spinlock [noderef] __rcu *
   include/linux/sched/signal.h:751:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   include/linux/sched/signal.h:751:37: sparse:     expected struct spinlock [usertype] *lock
   include/linux/sched/signal.h:751:37: sparse:     got struct spinlock [noderef] __rcu *
   kernel/ptrace.c:1369:9: sparse: sparse: context imbalance in 'ptrace_request' - different lock contexts for basic block

vim +121 arch/mips/include/asm/syscall.h

307e4cb2957c2f Dmitry V. Levin 2025-01-08  116  
307e4cb2957c2f Dmitry V. Levin 2025-01-08  117  #ifdef CONFIG_64BIT
307e4cb2957c2f Dmitry V. Levin 2025-01-08  118  	case 4: case 5: case 6: case 7:
307e4cb2957c2f Dmitry V. Levin 2025-01-08  119  #ifdef CONFIG_MIPS32_O32
307e4cb2957c2f Dmitry V. Levin 2025-01-08  120  		if (test_tsk_thread_flag(task, TIF_32BIT_REGS))
307e4cb2957c2f Dmitry V. Levin 2025-01-08 @121  			put_user(*arg, (int *)usp + n);
307e4cb2957c2f Dmitry V. Levin 2025-01-08  122  		else
307e4cb2957c2f Dmitry V. Levin 2025-01-08  123  #endif
307e4cb2957c2f Dmitry V. Levin 2025-01-08  124  			regs->regs[4 + n] = *arg;
307e4cb2957c2f Dmitry V. Levin 2025-01-08  125  
307e4cb2957c2f Dmitry V. Levin 2025-01-08  126  		return;
307e4cb2957c2f Dmitry V. Levin 2025-01-08  127  #endif
307e4cb2957c2f Dmitry V. Levin 2025-01-08  128  	}
307e4cb2957c2f Dmitry V. Levin 2025-01-08  129  }
307e4cb2957c2f Dmitry V. Levin 2025-01-08  130  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

  parent reply	other threads:[~2025-01-09 14:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-07 23:01 [PATCH 0/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO API Dmitry V. Levin
2025-01-07 23:04 ` [PATCH 1/6] Revert "arch: remove unused function syscall_set_arguments()" Dmitry V. Levin
2025-01-07 23:04 ` [PATCH 2/6] syscall.h: add syscall_set_arguments() on remaining HAVE_ARCH_TRACEHOOK arches Dmitry V. Levin
2025-01-09 12:04   ` Oleg Nesterov
2025-01-09 12:11     ` Dmitry V. Levin
2025-01-07 23:04 ` [PATCH 3/6] syscall.h: introduce syscall_set_nr() Dmitry V. Levin
2025-01-10  7:37   ` Sven Schnelle
2025-01-11  1:16     ` Dmitry V. Levin
2025-01-07 23:04 ` [PATCH 4/6] ptrace_get_syscall_info: factor out ptrace_get_syscall_info_op Dmitry V. Levin
2025-01-09 10:09   ` Oleg Nesterov
2025-01-09 10:27     ` Dmitry V. Levin
2025-01-09 10:41   ` Oleg Nesterov
2025-01-09 11:14     ` Dmitry V. Levin
2025-01-07 23:04 ` [PATCH 5/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO request Dmitry V. Levin
2025-01-09  1:37   ` kernel test robot
2025-01-09  2:21   ` kernel test robot
2025-01-09 14:03   ` kernel test robot [this message]
2025-01-09 15:17   ` Eugene Syromiatnikov
2025-01-09 15:21   ` Oleg Nesterov
2025-01-11 11:49     ` Dmitry V. Levin
2025-01-07 23:05 ` [PATCH 6/6] selftests/ptrace: add a test case for PTRACE_SET_SYSCALL_INFO Dmitry V. Levin
2025-01-10  3:15 ` [PATCH 0/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO API H. Peter Anvin

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