49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
commit bc0f7450cb0fd5717f532bce1b39f45312cc2fd9
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Author: Petr Machata <pmachata@redhat.com>
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Date: Tue Jul 17 16:29:18 2012 +0200
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elf*_xlatetom: do not check ELF_T_NHDR has integer number of records
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See this bug report for more details:
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https://bugzilla.redhat.com/show_bug.cgi?id=835877
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Signed-off-by: Petr Machata <pmachata@redhat.com>
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diff --git a/libelf/ChangeLog b/libelf/ChangeLog
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index 89dd35f..0a6bcba 100644
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--- a/libelf/ChangeLog
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+++ b/libelf/ChangeLog
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@@ -1,3 +1,8 @@
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+2012-07-17 Petr Machata <pmachata@redhat.com>
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+
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+ * elf32_xlatetom.c (elfw2(LIBELFBITS, xlatetom)): Do not check for
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+ integer number of records in case of ELF_T_NHDR.
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+
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2012-04-02 Mark Wielaard <mjw@redhat.com>
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* elf32_offscn.c: Do not match SHT_NOBITS sections at OFFSET unless
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diff --git a/libelf/elf32_xlatetom.c b/libelf/elf32_xlatetom.c
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index 8fdf09d..368df07 100644
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--- a/libelf/elf32_xlatetom.c
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+++ b/libelf/elf32_xlatetom.c
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@@ -1,5 +1,5 @@
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/* Convert from file to memory representation.
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- Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
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+ Copyright (C) 1998, 1999, 2000, 2002, 2012 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 1998.
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@@ -59,7 +59,11 @@ elfw2(LIBELFBITS, xlatetom) (dest, src, encode)
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#endif
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- if (src->d_size % recsize != 0)
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+ /* We shouldn't require integer number of records when processing
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+ notes. Payload bytes follow the header immediately, it's not an
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+ array of records as is the case otherwise. */
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+ if (src->d_type != ELF_T_NHDR
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+ && src->d_size % recsize != 0)
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{
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__libelf_seterrno (ELF_E_INVALID_DATA);
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return NULL;
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