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lz4: Fix pointer overflow

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Toomas Soome authored and Vladimir Serbinenko committed 2016-02-12 17:26:32 +01:00
1 parent feef882f98
commit ce01054ec3
1 file changed
+2
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grub-core/fs/zfs/zfs_lz4.c
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@@ -184,6 +184,8 @@ LZ4_uncompress_unknownOutputSize(const char *source,
}
}
/* copy literals */
if ((grub_addr_t) length > ~(grub_addr_t)op)
goto _output_error;
cpy = op + length;
if ((cpy > oend - COPYLENGTH) ||
(ip + length > iend - COPYLENGTH)) {