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1603092c50
hammerhead 16.0 was reported not booting and shamu 18.1 was reported to take ~15+ minutes to boot hammerhead does not have getrandom so it failed immediately shamu does have getrandom BUT it blocks during init meaning it'll wait until the entropy pool slowly fills In tested I did not discovery this I tested on flox/mako/d852/klte/clark/sailfish/mata/cheeseburger/fajita All the newer ones have working getrandom All the older ones included a patch to make getrandom non blocking on init Signed-off-by: Tad <tad@spotco.us>
34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Micay <danielmicay@gmail.com>
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Date: Wed, 5 Dec 2018 09:29:25 -0500
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Subject: [PATCH] avoid setting RLIMIT_AS with hardened malloc
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This needs to be ported to a better mechanism like memory control groups
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in order to remain compatible with hardening mechanisms based on large
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PROT_NONE address space reservations.
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Change-Id: Ibfb7164d764fcb9244055953bedc9a1c424cedcb
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---
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media/libmedia/MediaUtils.cpp | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/media/libmedia/MediaUtils.cpp b/media/libmedia/MediaUtils.cpp
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index bcdc3bdcfe..de217c70bf 100644
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--- a/media/libmedia/MediaUtils.cpp
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+++ b/media/libmedia/MediaUtils.cpp
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@@ -38,6 +38,14 @@ void limitProcessMemory(
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return;
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}
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+#ifdef __LP64__
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+ // This needs to be ported to a better mechanism like memory control groups
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+ // in order to remain compatible with hardening mechanisms based on large
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+ // PROT_NONE address space reservations.
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+ ALOGW("Running with hardened malloc implementation, skip enforcing memory limitations.");
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+ return;
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+#endif
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+
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long pageSize = sysconf(_SC_PAGESIZE);
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long numPages = sysconf(_SC_PHYS_PAGES);
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size_t maxMem = SIZE_MAX;
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