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Viewing changes to include/linux/sched.h

  • Committer: Package Import Robot
  • Author(s): Paolo Pisati, Paolo Pisati, Ubuntu: 3.0.0-31.49
  • Date: 2013-02-20 22:17:36 UTC
  • Revision ID: package-import@ubuntu.com-20130220221736-6pfzqqi3j0tj4qjr
Tags: 3.0.0-1221.35
https://launchpad.net/bugs/1130473
https://launchpad.net/bugs/1130243
https://launchpad.net/bugs/1129192
https://launchpad.net/bugs/1129192
https://launchpad.net/bugs/1129192
* Release Tracking Bug
  - LP: #1130473

[ Paolo Pisati ]

* rebased on Ubuntu-3.0.0-31.49

[ Ubuntu: 3.0.0-31.49 ]

* Release Tracking Bug
  - LP: #1130243
* ptrace: introduce signal_wake_up_state() and ptrace_signal_wake_up()
  - LP: #1129192
  - CVE-2013-0871
* ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL
  - LP: #1129192
  - CVE-2013-0871
* wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED
  task
  - LP: #1129192
  - CVE-2013-0871

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Lines of Context:
include/linux/sched.h
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extern void recalc_sigpending_and_wake(struct task_struct *t);
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extern void recalc_sigpending(void);
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extern void signal_wake_up(struct task_struct *t, int resume_stopped);
 
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extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
 
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static inline void signal_wake_up(struct task_struct *t, bool resume)
 
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{
 
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        signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
 
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}
 
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static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
 
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{
 
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        signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
 
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}
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/*
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 * Wrappers for p->thread_info->cpu access. No-op on UP.