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52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
From 3ce13d974b887338ae972c79b41ff6fc0eee6388 Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Mon, 28 Mar 2022 15:00:54 +0800
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Subject: lib/reed_solomon: Fix array subscript 0 is outside array bounds
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The grub_absolute_pointer() is a compound expression that can only work
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within a function. We are out of luck here when the pointer variables
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require global definition due to ATTRIBUTE_TEXT that have to use fully
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initialized global definition because of the way linkers work.
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static gf_single_t * const gf_powx ATTRIBUTE_TEXT = (void *) 0x100000;
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For the reason given above, use GCC diagnostic pragmas to suppress the
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array-bounds warning.
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Signed-off-by: Michael Chang <mchang@suse.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/lib/reed_solomon.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/grub-core/lib/reed_solomon.c b/grub-core/lib/reed_solomon.c
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index 82779a2..562bd2e 100644
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--- a/grub-core/lib/reed_solomon.c
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+++ b/grub-core/lib/reed_solomon.c
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@@ -102,6 +102,11 @@ static gf_single_t errvals[256];
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static gf_single_t eqstat[65536 + 256];
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#endif
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+#if __GNUC__ == 12
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+#pragma GCC diagnostic push
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+#pragma GCC diagnostic ignored "-Warray-bounds"
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+#endif
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+
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static gf_single_t
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gf_mul (gf_single_t a, gf_single_t b)
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{
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@@ -319,6 +324,10 @@ decode_block (gf_single_t *ptr, grub_size_t s,
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}
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}
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+#if __GNUC__ == 12
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+#pragma GCC diagnostic pop
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+#endif
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+
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#if !defined (STANDALONE)
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static void
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encode_block (gf_single_t *ptr, grub_size_t s,
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--
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cgit v1.1
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