The "pid" field in the LinuxKPI task struct is typically set to the thread ID
and not the process ID. Make sure the linux_task_exiting() function uses tdfind() to lookup the BSD procedure structure pointer by the "pid" field, and only fallback to pfind() when no match is found! This makes linux_task_exiting() in line with the rest of the code. Differential Revision: https://reviews.freebsd.org/D25509 Submitted by: Greg V <greg@unrelenting.technology> MFC after: 1 week Sponsored by: Mellanox Technologies
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=362829
@ -219,11 +219,21 @@ linux_get_pid_task(pid_t pid)
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bool
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linux_task_exiting(struct task_struct *task)
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{
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struct thread *td;
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struct proc *p;
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bool ret;
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ret = false;
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/* try to find corresponding thread */
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td = tdfind(task->pid, -1);
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if (td != NULL) {
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p = td->td_proc;
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} else {
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/* try to find corresponding procedure */
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p = pfind(task->pid);
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}
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if (p != NULL) {
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if ((p->p_flag & P_WEXIT) != 0)
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ret = true;
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