Cyrill,
While reviewing your patch to the prctl() manual page, I noticed the
following code inkernel/sys.c::prctl_set_mm():
if (opt != PR_SET_MM_START_BRK && opt != PR_SET_MM_BRK) {
/* It must be existing VMA */
if (!vma || vma->vm_start > addr)
goto out;
}
At this point, the code causes an exit with error set to zero (i.e.,
success). This looks unintended to me. Is the code correct? I suspect
a return of -EFAULT or -ENOMEM is warranted.
Cheers,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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