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(parent: 1932a5e) | patch
dtrace: take mmap_sem in PTRACE_GETMAPFD
authorNick Alcock <nick.alcock@oracle.com>
Mon, 31 Oct 2016 10:44:26 +0000 (10:44 +0000)
committerKris Van Hees <kris.van.hees@oracle.com>
Fri, 23 Dec 2016 22:32:53 +0000 (17:32 -0500)
commitc5e8c2137267addd66d214f0c7b986793cedf0af
treee155e9ea8b37a282facb5f2095a72dae204b88fftree
parent1932a5e746c4d36a7d887a447af36537eba9fe74commit | diff
dtrace: take mmap_sem in PTRACE_GETMAPFD

Without this, we may oops if the process exec()s and discards its
address space after we find_vma().

Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Acked-by: Kris Van Hees <kris.van.hees@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Orabug: 24977175
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