19 lines
827 B
Plaintext
19 lines
827 B
Plaintext
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--- squashfs4.3/squashfs-tools/mksquashfs.c.orig 2014-05-13 00:18:20.000000000 +0200
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+++ squashfs4.3/squashfs-tools/mksquashfs.c 2016-06-16 17:06:56.347792650 +0200
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@@ -4126,6 +4126,15 @@ void initialise_threads(int readq, int f
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processors = sysconf(_SC_NPROCESSORS_ONLN);
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#endif
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}
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+ /* Every frag_thrd will:
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+ * * occupy a slot in the process table (_SC_CHILD_MAX), and will
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+ * * allocate SQUASHFS_FILE_MAX_SIZE (currently 1MiB), which is
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+ * accounted towards the per-process datasize limit, and will
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+ * * open 1 file descriptor (_SC_OPEN_MAX).
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+ * Before we hit any of those limits on big irons, limit
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+ * ourselves to an impressive but sane arbitrary maximum.
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+ */
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+ if (processors > 64) processors = 64;
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if(multiply_overflow(processors, 3) ||
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multiply_overflow(processors * 3, sizeof(pthread_t)))
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