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40 lines
1.1 KiB
40 lines
1.1 KiB
7 years ago
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From 44baaedaffee029dca76796b933412d97a19dff6 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Mon, 9 Sep 2013 10:57:50 +0200
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Subject: [PATCH] libfdisk: fix SIGFPE
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#0 recount_geometry at libfdisk/src/alignment.c:143
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#1 fdisk_discover_geometry at libfdisk/src/alignment.c:205
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#2 fdisk_context_assign_device at libfdisk/src/context.c:173
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#3 print_partition_table_from_option at fdisks/fdisk.c:924
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References: https://bugzilla.redhat.com/show_bug.cgi?id=1005566
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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libfdisk/src/alignment.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/libfdisk/src/alignment.c b/libfdisk/src/alignment.c
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index ac44e73..4d4ab48 100644
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--- a/libfdisk/src/alignment.c
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+++ b/libfdisk/src/alignment.c
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@@ -193,11 +193,12 @@ int fdisk_discover_geometry(struct fdisk_context *cxt)
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/* what the kernel/bios thinks the geometry is */
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blkdev_get_geometry(cxt->dev_fd, &h, &s);
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- if (!h && !s) {
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- /* unable to discover geometry, use default values */
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- s = 63;
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+
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+ /* defaults */
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+ if (!h)
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h = 255;
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- }
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+ if (!s)
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+ s = 63;
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/* obtained heads and sectors */
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cxt->geom.heads = h;
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--
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1.8.1.4
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