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aports/community/cpio/fix-signed-integer-overflow-big-block-sizes.patch
alpine-mips-patches 880aa1b5c0 community/cpio: add minor security fixes, fix tests
- add fixes for CVE-2016-2037, integer overflow and inconsistent
   argument passing to printf-like functions, all from upstream.
 - add autoconf to checkdepends as autom4te is required to create
   built-in tests from templates;
 - remove bash from checkdepends (as it is useless without passing
   CONFIG_SHELL=/bin/bash to ./configure anyway) and replace the
   bash-style sequence expression at tests/symlink-long.at:30 to
   resolve test failure;
 - disable NLS and make explicit other default ./configure options.
2018-12-27 10:21:48 +00:00

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commit 404600ebb4d417238bfabf7ec1561a62dc83c168
Author: grajagandev <dmoorefo@gmail.com>
Date: Mon Feb 8 07:58:45 2016 -0800
Fix signed integer overflow - big block sizes
diff --git a/src/main.c b/src/main.c
index a13861f..5a30a7b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -321,7 +321,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
case BLOCK_SIZE_OPTION: /* --block-size */
io_block_size = atoi (arg);
- if (io_block_size < 1)
+ if (io_block_size < 1 || io_block_size > INT_MAX/512)
USAGE_ERROR ((0, 0, _("invalid block size")));
io_block_size *= 512;
break;