26 lines
759 B
Diff
26 lines
759 B
Diff
From 404600ebb4d417238bfabf7ec1561a62dc83c168 Mon Sep 17 00:00:00 2001
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From: grajagandev <dmoorefo@gmail.com>
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Date: Mon, 8 Feb 2016 07:58:45 -0800
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Subject: [PATCH 04/15] Fix signed integer overflow - big block sizes
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---
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src/main.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/src/main.c b/src/main.c
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index a13861f..5a30a7b 100644
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--- a/src/main.c
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+++ b/src/main.c
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@@ -321,7 +321,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
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case BLOCK_SIZE_OPTION: /* --block-size */
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io_block_size = atoi (arg);
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- if (io_block_size < 1)
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+ if (io_block_size < 1 || io_block_size > INT_MAX/512)
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USAGE_ERROR ((0, 0, _("invalid block size")));
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io_block_size *= 512;
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break;
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--
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1.8.3.1
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