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authorDJ Delorie <dj@delorie.com>2017-03-17 15:31:38 -0400
committerDJ Delorie <dj@delorie.com>2017-03-17 15:31:38 -0400
commit17f487b7afa7cd6c316040f3e6c86dc96b2eec30 (patch)
tree5836e9e3b024ffd8c45029f7a2934aad44229b71 /ChangeLog
parentb170d2e7ab998180abbd24fdd6c03ecb4293d000 (diff)
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Further harden glibc malloc metadata against 1-byte overflows.
Additional check for chunk_size == next->prev->chunk_size in unlink()

2017-03-17  Chris Evans  <scarybeasts@gmail.com>

	* malloc/malloc.c (unlink): Add consistency check between size and
	next->prev->size, to further harden against 1-byte overflows.
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+2017-03-17  Chris Evans  <scarybeasts@gmail.com>
+
+	* malloc/malloc.c (unlink): Add consistency check between size and
+	next->prev->size, to further harden against 1-byte overflows.
+
 2017-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/x86/cpu-features.c (init_cpu_features): Check AVX with