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20 lines
764 B
20 lines
764 B
7 years ago
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commit 6a1cf708dd5681b517744d6d4fac02e4e4a0aa2e
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Author: Aurelien Jarno <aurelien@aurel32.net>
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Date: Wed Mar 11 21:03:50 2015 -0400
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Fix ldconfig segmentation fault with corrupted cache (Bug 18093).
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--- glibc-2.17-c758a686/elf/cache.c
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+++ glibc-2.17-c758a686/elf/cache.c
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@@ -688,7 +688,9 @@
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if (aux_cache == MAP_FAILED
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|| aux_cache_size < sizeof (struct aux_cache_file)
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|| memcmp (aux_cache->magic, AUX_CACHEMAGIC, sizeof AUX_CACHEMAGIC - 1)
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- || aux_cache->nlibs >= aux_cache_size)
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+ || aux_cache_size != (sizeof(struct aux_cache_file) +
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+ aux_cache->nlibs * sizeof(struct aux_cache_file_entry) +
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+ aux_cache->len_strings))
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{
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close (fd);
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init_aux_cache ();
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