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From: kernel test robot <lkp@intel.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>,
	Oleg Nesterov <oleg@redhat.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	mingo@kernel.org, bigeasy@linutronix.de,
	Peter Zijlstra <peterz@infradead.org>,
	Jann Horn <jannh@google.com>, Kees Cook <keescook@chromium.org>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Robert O'Callahan <roc@pernos.co>, Kyle Huey <khuey@pernos.co>,
	Keno Fischer <keno@juliacomputing.com>
Subject: Re: [PATCH 2/3] signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit
Date: Thu, 23 Jun 2022 15:49:29 +0800	[thread overview]
Message-ID: <202206231547.B89O2N6f-lkp@intel.com> (raw)
In-Reply-To: <87bkukd4tc.fsf_-_@email.froward.int.ebiederm.org>

Hi "Eric,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.19-rc3 next-20220622]
[cannot apply to kees/for-next/pstore]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Eric-W-Biederman/signal-Ensure-SIGNAL_GROUP_EXIT-gets-set-in-do_group_exit/20220623-014543
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3abc3ae553c7ed73365b385b9a4cffc5176aae45
config: nios2-randconfig-s032-20220622 (https://download.01.org/0day-ci/archive/20220623/202206231547.B89O2N6f-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-31-g4880bd19-dirty
        # https://github.com/intel-lab-lkp/linux/commit/0e1cfa4e4efe9c701f3ef5665c22310ac7aa7e7e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Eric-W-Biederman/signal-Ensure-SIGNAL_GROUP_EXIT-gets-set-in-do_group_exit/20220623-014543
        git checkout 0e1cfa4e4efe9c701f3ef5665c22310ac7aa7e7e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   kernel/exit.c:281:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:281:37: sparse:     expected struct task_struct *tsk
   kernel/exit.c:281:37: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/exit.c:284:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *task @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:284:32: sparse:     expected struct task_struct *task
   kernel/exit.c:284:32: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/exit.c:285:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *task @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:285:35: sparse:     expected struct task_struct *task
   kernel/exit.c:285:35: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/exit.c:330:24: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:330:24: sparse:     expected struct task_struct *parent
   kernel/exit.c:330:24: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/exit.c:357:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:357:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:357:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:360:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:360:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:360:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:583:29: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *reaper @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:583:29: sparse:     expected struct task_struct *reaper
   kernel/exit.c:583:29: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/exit.c:585:29: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *reaper @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/exit.c:585:29: sparse:     expected struct task_struct *reaper
   kernel/exit.c:585:29: sparse:     got struct task_struct [noderef] __rcu *real_parent
>> kernel/exit.c:738:45: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/exit.c:738:45: sparse:     expected struct sighand_struct *sighand
   kernel/exit.c:738:45: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/exit.c:927:63: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *const sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/exit.c:927:63: sparse:     expected struct sighand_struct *const sighand
   kernel/exit.c:927:63: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/exit.c:1082:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1082:39: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1082:39: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1107:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1107:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1107:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1196:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1196:25: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1196:25: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1211:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1211:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1211:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1262:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1262:25: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1262:25: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1265:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1265:35: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1265:35: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1271:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/exit.c:1271:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/exit.c:1271:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/exit.c:1452:59: sparse: sparse: incompatible types in comparison expression (different base types):
   kernel/exit.c:1452:59: sparse:    void *
   kernel/exit.c:1452:59: sparse:    struct task_struct [noderef] __rcu *
   kernel/exit.c:1468:25: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu * @@
   kernel/exit.c:1468:25: sparse:     expected struct task_struct *parent
   kernel/exit.c:1468:25: sparse:     got struct task_struct [noderef] __rcu *
   kernel/exit.c: note: in included file (through arch/nios2/include/uapi/asm/elf.h, arch/nios2/include/asm/elf.h, include/linux/elf.h, ...):
   include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p1 @@     got struct task_struct [noderef] __rcu *real_parent @@
   include/linux/ptrace.h:92:40: sparse:     expected struct task_struct *p1
   include/linux/ptrace.h:92:40: sparse:     got struct task_struct [noderef] __rcu *real_parent
   include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p2 @@     got struct task_struct [noderef] __rcu *parent @@
   include/linux/ptrace.h:92:60: sparse:     expected struct task_struct *p2
   include/linux/ptrace.h:92:60: sparse:     got struct task_struct [noderef] __rcu *parent
   include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p1 @@     got struct task_struct [noderef] __rcu *real_parent @@
   include/linux/ptrace.h:92:40: sparse:     expected struct task_struct *p1
   include/linux/ptrace.h:92:40: sparse:     got struct task_struct [noderef] __rcu *real_parent
   include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p2 @@     got struct task_struct [noderef] __rcu *parent @@
   include/linux/ptrace.h:92:60: sparse:     expected struct task_struct *p2
   include/linux/ptrace.h:92:60: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/exit.c: note: in included file (through include/linux/sched/signal.h, include/linux/rcuwait.h, include/linux/percpu-rwsem.h, ...):
   include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_zombie' - unexpected unlock
   include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_stopped' - unexpected unlock
   include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_continued' - unexpected unlock
   kernel/exit.c: note: in included file (through arch/nios2/include/uapi/asm/elf.h, arch/nios2/include/asm/elf.h, include/linux/elf.h, ...):
   include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p1 @@     got struct task_struct [noderef] __rcu *real_parent @@
   include/linux/ptrace.h:92:40: sparse:     expected struct task_struct *p1
   include/linux/ptrace.h:92:40: sparse:     got struct task_struct [noderef] __rcu *real_parent
   include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p2 @@     got struct task_struct [noderef] __rcu *parent @@
   include/linux/ptrace.h:92:60: sparse:     expected struct task_struct *p2
   include/linux/ptrace.h:92:60: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/exit.c: note: in included file (through include/linux/thread_info.h, include/asm-generic/preempt.h, arch/nios2/include/generated/asm/preempt.h, ...):
   arch/nios2/include/asm/thread_info.h:62:9: sparse: sparse: context imbalance in 'do_wait' - wrong count at exit

vim +738 kernel/exit.c

   735	
   736	static void synchronize_group_exit(struct task_struct *tsk, long code)
   737	{
 > 738		struct sighand_struct *sighand = tsk->sighand;
   739		struct signal_struct *signal = tsk->signal;
   740	
   741		spin_lock_irq(&sighand->siglock);
   742		signal->quick_threads--;
   743		if ((signal->quick_threads == 0) &&
   744		    !(signal->flags & SIGNAL_GROUP_EXIT)) {
   745			signal->flags = SIGNAL_GROUP_EXIT;
   746			signal->group_exit_code = code;
   747			signal->group_stop_count = 0;
   748		}
   749		spin_unlock_irq(&sighand->siglock);
   750	}
   751	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

  reply	other threads:[~2022-06-23  7:50 UTC|newest]

Thread overview: 240+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-21 15:02 [PATCH v2 0/5] ptrace-vs-PREEMPT_RT and freezer rewrite Peter Zijlstra
2022-04-21 15:02 ` [PATCH v2 1/5] sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state Peter Zijlstra
2022-04-26 23:34   ` Eric W. Biederman
2022-04-28 10:00     ` Peter Zijlstra
2022-04-21 15:02 ` [PATCH v2 2/5] sched,ptrace: Fix ptrace_check_attach() vs PREEMPT_RT Peter Zijlstra
2022-04-21 18:23   ` Oleg Nesterov
2022-04-21 19:58     ` Peter Zijlstra
2022-04-21 18:40   ` Eric W. Biederman
2022-04-26 22:50     ` [PATCH 0/9] ptrace: cleaning up ptrace_stop Eric W. Biederman
2022-04-26 22:52       ` [PATCH 1/9] signal: Rename send_signal send_signal_locked Eric W. Biederman
2022-04-28 10:27         ` Peter Zijlstra
2022-04-26 22:52       ` [PATCH 2/9] signal: Replace __group_send_sig_info with send_signal_locked Eric W. Biederman
2022-04-26 22:52       ` [PATCH 3/9] ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP Eric W. Biederman
2022-04-27  7:10         ` Johannes Berg
2022-04-27 13:50           ` Eric W. Biederman
2022-04-26 22:52       ` [PATCH 4/9] ptrace/xtensa: Replace PT_SINGLESTEP " Eric W. Biederman
2022-04-26 23:33         ` Max Filippov
2022-04-26 22:52       ` [PATCH 5/9] signal: Protect parent child relationships by childs siglock Eric W. Biederman
2022-04-27  6:40         ` Sebastian Andrzej Siewior
2022-04-27 13:35           ` Eric W. Biederman
2022-04-26 22:52       ` [PATCH 6/9] signal: Always call do_notify_parent_cldstop with siglock held Eric W. Biederman
2022-04-27 14:10         ` Oleg Nesterov
2022-04-27 14:20           ` Eric W. Biederman
2022-04-27 14:43             ` Oleg Nesterov
2022-04-27 14:47             ` Eric W. Biederman
2022-04-28 17:44               ` Peter Zijlstra
2022-04-28 18:22                 ` Oleg Nesterov
2022-04-28 18:37                 ` Eric W. Biederman
2022-04-28 20:49                   ` Eric W. Biederman
2022-04-28 22:19                     ` Peter Zijlstra
2022-04-27 14:56         ` Oleg Nesterov
2022-04-27 15:00           ` Oleg Nesterov
2022-04-27 21:52             ` Eric W. Biederman
2022-04-28 10:38         ` Peter Zijlstra
2022-04-26 22:52       ` [PATCH 7/9] ptrace: Simplify the wait_task_inactive call in ptrace_check_attach Eric W. Biederman
2022-04-27 13:42         ` Eric W. Biederman
2022-04-27 14:27           ` Eric W. Biederman
2022-04-27 15:14         ` Oleg Nesterov
2022-04-28 10:42           ` Peter Zijlstra
2022-04-28 11:19             ` Oleg Nesterov
2022-04-28 13:54               ` Peter Zijlstra
2022-04-28 14:57                 ` Oleg Nesterov
2022-04-28 16:09                   ` Peter Zijlstra
2022-04-28 16:19                     ` Oleg Nesterov
2022-04-26 22:52       ` [PATCH 8/9] ptrace: Use siglock instead of tasklist_lock " Eric W. Biederman
2022-04-27 15:20         ` Oleg Nesterov
2022-04-26 22:52       ` [PATCH 9/9] ptrace: Don't change __state Eric W. Biederman
2022-04-27 15:41         ` Oleg Nesterov
2022-04-27 22:35           ` Eric W. Biederman
2022-04-27 16:09         ` Oleg Nesterov
2022-04-27 16:33           ` Eric W. Biederman
2022-04-27 17:18             ` Oleg Nesterov
2022-04-27 17:21               ` Oleg Nesterov
2022-04-27 17:31                 ` Eric W. Biederman
2022-04-27 23:05         ` Eric W. Biederman
2022-04-28 15:11           ` Oleg Nesterov
2022-04-28 16:50             ` Eric W. Biederman
2022-04-28 18:53               ` Oleg Nesterov
2022-04-28 10:07       ` [PATCH 0/9] ptrace: cleaning up ptrace_stop Peter Zijlstra
2022-04-29 21:46       ` [PATCH 0/12] " Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 01/12] signal: Rename send_signal send_signal_locked Eric W. Biederman
2022-05-02  7:50           ` Sebastian Andrzej Siewior
2022-04-29 21:48         ` [PATCH v2 02/12] signal: Replace __group_send_sig_info with send_signal_locked Eric W. Biederman
2022-05-02  7:58           ` Sebastian Andrzej Siewior
2022-04-29 21:48         ` [PATCH v2 03/12] ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 04/12] ptrace/xtensa: Replace PT_SINGLESTEP " Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 05/12] signal: Use lockdep_assert_held instead of assert_spin_locked Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 06/12] ptrace: Reimplement PTRACE_KILL by always sending SIGKILL Eric W. Biederman
2022-05-02 14:37           ` Oleg Nesterov
2022-05-03 19:36             ` Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 07/12] ptrace: Don't change __state Eric W. Biederman
2022-04-29 22:27           ` Peter Zijlstra
2022-05-02  8:59           ` Sebastian Andrzej Siewior
2022-05-02 15:39           ` Oleg Nesterov
2022-05-02 16:35             ` Eric W. Biederman
2022-05-03 13:41               ` Oleg Nesterov
2022-05-03 20:45                 ` Eric W. Biederman
2022-05-04 14:02                   ` Oleg Nesterov
2022-05-04 17:37                     ` Eric W. Biederman
2022-05-04 18:28                       ` Eric W. Biederman
2022-05-02 15:47           ` Oleg Nesterov
2022-04-29 21:48         ` [PATCH v2 08/12] ptrace: Remove arch_ptrace_attach Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 09/12] ptrace: Always take siglock in ptrace_resume Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 10/12] ptrace: Only return signr from ptrace_stop if it was provided Eric W. Biederman
2022-05-02 10:08           ` Sebastian Andrzej Siewior
2022-04-29 21:48         ` [PATCH v2 11/12] ptrace: Always call schedule in ptrace_stop Eric W. Biederman
2022-04-29 21:48         ` [PATCH v2 12/12] sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state Eric W. Biederman
2022-05-02 10:18           ` Sebastian Andrzej Siewior
2022-05-02 13:38         ` [PATCH 0/12] ptrace: cleaning up ptrace_stop Sebastian Andrzej Siewior
2022-05-04 22:39         ` [PATCH v3 0/11] " Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 01/11] signal: Rename send_signal send_signal_locked Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 02/11] signal: Replace __group_send_sig_info with send_signal_locked Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 03/11] ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 04/11] ptrace/xtensa: Replace PT_SINGLESTEP " Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 05/11] ptrace: Remove arch_ptrace_attach Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 06/11] signal: Use lockdep_assert_held instead of assert_spin_locked Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 07/11] ptrace: Reimplement PTRACE_KILL by always sending SIGKILL Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 08/11] ptrace: Admit ptrace_stop can generate spuriuos SIGTRAPs Eric W. Biederman
2022-05-05 14:57             ` Oleg Nesterov
2022-05-05 16:59               ` Eric W. Biederman
2022-05-05 15:01             ` Oleg Nesterov
2022-05-05 17:21               ` Eric W. Biederman
2022-05-05 17:27                 ` Oleg Nesterov
2022-05-05 15:28             ` Oleg Nesterov
2022-05-05 17:53               ` Eric W. Biederman
2022-05-05 18:10                 ` Oleg Nesterov
2022-05-04 22:40           ` [PATCH v3 09/11] ptrace: Don't change __state Eric W. Biederman
2022-05-05 12:50             ` Sebastian Andrzej Siewior
2022-05-05 16:48               ` Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 10/11] ptrace: Always take siglock in ptrace_resume Eric W. Biederman
2022-05-04 22:40           ` [PATCH v3 11/11] sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state Eric W. Biederman
2022-05-05 18:25           ` [PATCH v4 0/12] ptrace: cleaning up ptrace_stop Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 01/12] signal: Rename send_signal send_signal_locked Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 02/12] signal: Replace __group_send_sig_info with send_signal_locked Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 03/12] ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 04/12] ptrace/xtensa: Replace PT_SINGLESTEP " Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 05/12] ptrace: Remove arch_ptrace_attach Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 06/12] signal: Use lockdep_assert_held instead of assert_spin_locked Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 07/12] ptrace: Reimplement PTRACE_KILL by always sending SIGKILL Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 08/12] ptrace: Document that wait_task_inactive can't fail Eric W. Biederman
2022-05-06  6:55               ` Sebastian Andrzej Siewior
2022-05-05 18:26             ` [PATCH v4 09/12] ptrace: Admit ptrace_stop can generate spuriuos SIGTRAPs Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 10/12] ptrace: Don't change __state Eric W. Biederman
2022-05-06 15:09               ` Oleg Nesterov
2022-05-06 19:42                 ` Eric W. Biederman
2022-05-10 14:23               ` Oleg Nesterov
2022-05-10 15:17                 ` Eric W. Biederman
2022-05-10 15:34                   ` Oleg Nesterov
2022-05-05 18:26             ` [PATCH v4 11/12] ptrace: Always take siglock in ptrace_resume Eric W. Biederman
2022-05-05 18:26             ` [PATCH v4 12/12] sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state Eric W. Biederman
2022-06-21 13:00               ` Alexander Gordeev
2022-06-21 14:02                 ` Eric W. Biederman
2022-06-21 15:15                   ` Alexander Gordeev
2022-06-21 17:47                     ` Eric W. Biederman
2022-06-25 16:34                     ` Eric W. Biederman
2022-06-28 18:36                       ` Alexander Gordeev
2022-06-28 22:42                         ` Eric W. Biederman
2022-06-28 22:48                           ` Steven Rostedt
2022-06-29  3:39                             ` Eric W. Biederman
2022-06-29 20:25                               ` Alexander Gordeev
2022-07-05 15:44                               ` Peter Zijlstra
2022-07-06  6:56                                 ` Alexander Gordeev
2022-06-28 23:15                     ` Steven Rostedt
2022-07-05 13:47                       ` Sven Schnelle
2022-07-05 17:28                         ` Sven Schnelle
2022-07-05 19:25                           ` Peter Zijlstra
2022-07-06  7:58                             ` Sven Schnelle
2022-07-06  8:59                               ` Peter Zijlstra
2022-07-06  9:27                                 ` Sven Schnelle
2022-07-06 10:11                                   ` Peter Zijlstra
2022-05-06 14:14             ` [PATCH v4 0/12] ptrace: cleaning up ptrace_stop Oleg Nesterov
2022-05-06 14:38               ` Eric W. Biederman
2022-05-06 21:26             ` Kees Cook
2022-05-06 21:59               ` Eric W. Biederman
2022-05-10 14:11             ` Oleg Nesterov
2022-05-10 14:26               ` Eric W. Biederman
2022-05-10 14:45                 ` Sebastian Andrzej Siewior
2022-05-10 15:18                   ` Eric W. Biederman
2022-05-11 20:00                 ` Eric W. Biederman
2022-05-18 22:49             ` [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock Eric W. Biederman
2022-05-18 22:53               ` [PATCH 01/16] signal/alpha: Remove unused definition of TASK_REAL_PARENT Eric W. Biederman
2022-05-18 22:53               ` [PATCH 02/16] signal/ia64: Remove unused definition of IA64_TASK_REAL_PARENT_OFFSET Eric W. Biederman
2022-05-18 22:53               ` [PATCH 03/16] kdb: Use real_parent when displaying a list of processes Eric W. Biederman
2022-05-19  7:56                 ` Peter Zijlstra
2022-05-19 18:06                   ` Eric W. Biederman
2022-05-19 20:52                 ` Doug Anderson
2022-05-19 23:48                   ` Eric W. Biederman
2022-05-20 23:01                     ` Doug Anderson
2022-05-18 22:53               ` [PATCH 04/16] powerpc/xmon: " Eric W. Biederman
2022-05-18 22:53               ` [PATCH 05/16] ptrace: Remove dead code from __ptrace_detach Eric W. Biederman
2022-05-24 11:42                 ` Oleg Nesterov
2022-05-25 14:33                   ` Oleg Nesterov
2022-06-06 16:06                     ` Eric W. Biederman
2022-05-18 22:53               ` [PATCH 06/16] ptrace: Remove unnecessary locking in ptrace_(get|set)siginfo Eric W. Biederman
2022-05-24 13:25                 ` Oleg Nesterov
2022-05-18 22:53               ` [PATCH 07/16] signal: Wake up the designated parent Eric W. Biederman
2022-05-24 13:25                 ` Oleg Nesterov
2022-05-24 16:28                   ` Oleg Nesterov
2022-05-25 14:28                     ` Oleg Nesterov
2022-06-06 22:10                       ` Eric W. Biederman
2022-06-07 15:26                         ` Oleg Nesterov
2022-05-18 22:53               ` [PATCH 08/16] ptrace: Only populate last_siginfo from ptrace Eric W. Biederman
2022-05-24 15:27                 ` Oleg Nesterov
2022-06-06 22:16                   ` Eric W. Biederman
2022-06-07 15:29                     ` Oleg Nesterov
2022-05-18 22:53               ` [PATCH 09/16] ptrace: In ptrace_setsiginfo deal with invalid si_signo Eric W. Biederman
2022-05-18 22:53               ` [PATCH 10/16] ptrace: In ptrace_signal look at what the debugger did with siginfo Eric W. Biederman
2022-05-18 22:53               ` [PATCH 11/16] ptrace: Use si_sino as the signal number to resume with Eric W. Biederman
2022-05-18 22:53               ` [PATCH 12/16] ptrace: Stop protecting ptrace_set_signr with tasklist_lock Eric W. Biederman
2022-05-18 22:53               ` [PATCH 13/16] ptrace: Document why ptrace_setoptions does not need a lock Eric W. Biederman
2022-05-18 22:53               ` [PATCH 14/16] signal: Protect parent child relationships by childs siglock Eric W. Biederman
2022-05-18 22:53               ` [PATCH 15/16] ptrace: Use siglock instead of tasklist_lock in ptrace_check_attach Eric W. Biederman
2022-05-18 22:53               ` [PATCH 16/16] signal: Always call do_notify_parent_cldstop with siglock held Eric W. Biederman
2022-05-20 16:19                 ` kernel test robot
     [not found]               ` <CALWUPBdFDLuT7JaNGSJ_UXbHf8y9uKdC-SkAqzd=FQC0MX4nNQ@mail.gmail.com>
2022-05-19  6:19                 ` [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock Sebastian Andrzej Siewior
2022-05-19 18:05                   ` Eric W. Biederman
2022-05-20  5:24                     ` Kyle Huey
2022-06-06 16:12                       ` Eric W. Biederman
2022-06-09 19:59                         ` Kyle Huey
2022-05-20  7:33               ` Sebastian Andrzej Siewior
2022-05-20 19:32                 ` Eric W. Biederman
2022-05-20 19:58                   ` Peter Zijlstra
2022-05-20  9:19               ` Sebastian Andrzej Siewior
2022-06-22 16:43             ` [PATCH 0/3] ptrace: Stop supporting SIGKILL for PTRACE_EVENT_EXIT Eric W. Biederman
2022-06-22 16:45               ` [PATCH 1/3] signal: Ensure SIGNAL_GROUP_EXIT gets set in do_group_exit Eric W. Biederman
2022-06-22 16:46               ` [PATCH 2/3] signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit Eric W. Biederman
2022-06-23  7:49                 ` kernel test robot [this message]
2022-06-22 16:47               ` [PATCH 3/3] signal: Drop signals received after a fatal signal has been processed Eric W. Biederman
2022-06-23 15:12               ` [PATCH 0/3] ptrace: Stop supporting SIGKILL for PTRACE_EVENT_EXIT Alexander Gordeev
2022-06-23 21:55                 ` Eric W. Biederman
2022-07-08 22:25               ` Eric W. Biederman
2022-07-08 23:22                 ` Keno Fischer
2022-07-12 20:03                   ` Eric W. Biederman
2022-07-16 21:29                     ` Eric W. Biederman
2022-07-16 23:21                       ` Kyle Huey
2022-04-25 14:35   ` [PATCH v2 2/5] sched,ptrace: Fix ptrace_check_attach() vs PREEMPT_RT Oleg Nesterov
2022-04-25 18:33     ` Peter Zijlstra
2022-04-26  0:38       ` Eric W. Biederman
2022-04-26  5:51         ` Oleg Nesterov
2022-04-26 17:19           ` Eric W. Biederman
2022-04-26 18:11             ` Oleg Nesterov
2022-04-25 17:47   ` Oleg Nesterov
2022-04-27  0:24     ` Eric W. Biederman
2022-04-28 20:29       ` Peter Zijlstra
2022-04-28 20:59         ` Oleg Nesterov
2022-04-28 22:21           ` Peter Zijlstra
2022-04-28 22:50             ` Oleg Nesterov
2022-04-27 15:53   ` Oleg Nesterov
2022-04-27 21:57     ` Eric W. Biederman
2022-04-21 15:02 ` [PATCH v2 3/5] freezer: Have {,un}lock_system_sleep() save/restore flags Peter Zijlstra
2022-04-21 15:02 ` [PATCH v2 4/5] freezer,umh: Clean up freezer/initrd interaction Peter Zijlstra
2022-04-21 15:02 ` [PATCH v2 5/5] freezer,sched: Rewrite core freezer logic Peter Zijlstra
2022-04-21 17:26   ` Eric W. Biederman
2022-04-21 17:57     ` Oleg Nesterov
2022-04-21 19:55     ` Peter Zijlstra
2022-04-21 20:07       ` Peter Zijlstra
2022-04-22 15:52         ` Eric W. Biederman
2022-04-22 17:43 ` [PATCH v2 0/5] ptrace-vs-PREEMPT_RT and freezer rewrite Sebastian Andrzej Siewior
2022-04-22 19:15   ` Eric W. Biederman
2022-04-22 21:13     ` Sebastian Andrzej Siewior

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