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authorDmitry V. Levin <ldv@altlinux.org>2005-06-03 11:02:25 +0000
committerDmitry V. Levin <ldv@altlinux.org>2005-06-03 11:02:25 +0000
commit3d941e5a42121d39859955452f1330d1c8824883 (patch)
tree24e38dd6c913995115d568bd544fa716fe56845c
parentadf16cc80af8833e2516ed7345cc5fae50a20aa5 (diff)
downloadelfutils-3d941e5a42121d39859955452f1330d1c8824883.tar.gz
0.108-alt20.108-alt2
- Applied upstream fix for unsanitized input issues (CAN-2005-1704).
-rw-r--r--elfutils-0.108-rh-robustify.patch1267
-rw-r--r--elfutils.spec12
2 files changed, 1276 insertions, 3 deletions
diff --git a/elfutils-0.108-rh-robustify.patch b/elfutils-0.108-rh-robustify.patch
new file mode 100644
index 00000000..34318490
--- /dev/null
+++ b/elfutils-0.108-rh-robustify.patch
@@ -0,0 +1,1267 @@
+2005-05-17 Jakub Jelinek <jakub@redhat.com>
+
+libelf/
+ * elf32_getphdr.c (elfw2(LIBELFBITS,getphdr)): Check if program header
+ table fits into object's bounds.
+ * elf_getshstrndx.c (elf_getshstrndx): Add elf->start_offset to
+ elf->map_address. Check if first section header fits into object's
+ bounds.
+ * elf32_getshdr.c (elfw2(LIBELFBITS,getshdr)): Fix comment pasto.
+ Check if section header table fits into object's bounds.
+ * elf_begin.c (get_shnum): Fail if maxsize is smaller than ELF headers.
+ Ensure first section header fits into object's bounds.
+ (file_read_elf): Make sure scncnt is small enough to allocate both
+ ElfXX_Shdr and Elf_Scn array. Make sure section and program header
+ tables fit into object's bounds. Avoid memory leak on failure.
+
+src/
+ * elflint.c (check_hash): Don't check entries beyond end of section.
+ (check_note): Don't crash if gelf_rawchunk fails.
+ (section_name): Return <invalid> if gelf_getshdr returns NULL.
+
+2005-05-14 Jakub Jelinek <jakub@redhat.com>
+
+libelf/
+ * libelfP.h (INVALID_NDX): Define.
+ * gelf_getdyn.c (gelf_getdyn): Use it. Remove ndx < 0 test if any.
+ * gelf_getlib.c (gelf_getlib): Likewise.
+ * gelf_getmove.c (gelf_getmove): Likewise.
+ * gelf_getrel.c (gelf_getrel): Likewise.
+ * gelf_getrela.c (gelf_getrela): Likewise.
+ * gelf_getsym.c (gelf_getsym): Likewise.
+ * gelf_getsyminfo.c (gelf_getsyminfo): Likewise.
+ * gelf_getsymshndx.c (gelf_getsymshndx): Likewise.
+ * gelf_getversym.c (gelf_getversym): Likewise.
+ * gelf_update_dyn.c (gelf_update_dyn): Likewise.
+ * gelf_update_lib.c (gelf_update_lib): Likewise.
+ * gelf_update_move.c (gelf_update_move): Likewise.
+ * gelf_update_rel.c (gelf_update_rel): Likewise.
+ * gelf_update_rela.c (gelf_update_rela): Likewise.
+ * gelf_update_sym.c (gelf_update_sym): Likewise.
+ * gelf_update_syminfo.c (gelf_update_syminfo): Likewise.
+ * gelf_update_symshndx.c (gelf_update_symshndx): Likewise.
+ * gelf_update_versym.c (gelf_update_versym): Likewise.
+ * elf_newscn.c (elf_newscn): Check for overflow.
+ * elf32_updatefile.c (__elfw2(LIBELFBITS,updatemmap)): Likewise.
+ (__elfw2(LIBELFBITS,updatefile)): Likewise.
+ * elf_begin.c (file_read_elf): Likewise.
+ * elf32_newphdr.c (elfw2(LIBELFBITS,newphdr)): Likewise.
+ * elf_getarsym.c (elf_getarsym): Likewise.
+ * elf32_getshdr.c (elfw2(LIBELFBITS,getshdr)): Likewise.
+src/
+ * elflint.c (section_name): Return "<invalid>" instead of
+ crashing on invalid section name.
+ (check_symtab, is_rel_dyn, check_rela, check_rel, check_dynamic,
+ check_symtab_shndx, check_hash, check_versym): Robustify.
+
+--- elfutils-0.108/libelf/gelf_getrel.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getrel.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get REL relocation information at given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -38,12 +38,6 @@ gelf_getrel (data, ndx, dst)
+ if (data_scn == NULL)
+ return NULL;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return NULL;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_REL))
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+@@ -60,7 +54,8 @@ gelf_getrel (data, ndx, dst)
+ if (scn->elf->class == ELFCLASS32)
+ {
+ /* We have to convert the data. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Rel) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Rel)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Rel) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ result = NULL;
+@@ -80,7 +75,8 @@ gelf_getrel (data, ndx, dst)
+ {
+ /* Simply copy the data after we made sure we are actually getting
+ correct data. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Rel) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Rel)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Rel) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ result = NULL;
+--- elfutils-0.108/libelf/gelf_getsym.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getsym.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get symbol information from symbol table at the given index.
+- Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 1999, 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -57,7 +57,8 @@ gelf_getsym (data, ndx, dst)
+ table entries has to be adopted. The user better has provided
+ a buffer where we can store the information. While copying the
+ data we are converting the format. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Sym) > data->d_size))
++ if (INVALID_NDX (ndx, Elf32_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Sym) > data->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -86,7 +87,8 @@ gelf_getsym (data, ndx, dst)
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Sym) > data->d_size))
++ if (INVALID_NDX (ndx, GElf_Sym)
++ || unlikely ((ndx + 1) * sizeof (GElf_Sym) > data->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/gelf_update_sym.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_sym.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update symbol information in symbol table at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -39,12 +39,6 @@ gelf_update_sym (data, ndx, src)
+ if (data == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_SYM))
+ {
+ /* The type of the data better should match. */
+@@ -69,7 +63,8 @@ gelf_update_sym (data, ndx, src)
+ }
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Sym) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Sym) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -92,7 +87,8 @@ gelf_update_sym (data, ndx, src)
+ else
+ {
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Sym) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Sym) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/gelf_getrela.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getrela.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get RELA relocation information at given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -38,12 +38,6 @@ gelf_getrela (data, ndx, dst)
+ if (data_scn == NULL)
+ return NULL;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return NULL;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_RELA))
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+@@ -60,7 +54,8 @@ gelf_getrela (data, ndx, dst)
+ if (scn->elf->class == ELFCLASS32)
+ {
+ /* We have to convert the data. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Rela) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Rela)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Rela) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ result = NULL;
+@@ -81,7 +76,8 @@ gelf_getrela (data, ndx, dst)
+ {
+ /* Simply copy the data after we made sure we are actually getting
+ correct data. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Rela) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Rela)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Rela) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ result = NULL;
+--- elfutils-0.108/libelf/gelf_update_syminfo.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_syminfo.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update additional symbol information in symbol table at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -39,12 +39,6 @@ gelf_update_syminfo (data, ndx, src)
+ if (data == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_SYMINFO))
+ {
+ /* The type of the data better should match. */
+@@ -60,7 +54,8 @@ gelf_update_syminfo (data, ndx, src)
+ rwlock_wrlock (scn->elf->lock);
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, GElf_Syminfo)
++ || unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/gelf_getsyminfo.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getsyminfo.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get additional symbol information from symbol table at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -51,7 +51,8 @@ gelf_getsyminfo (data, ndx, dst)
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data->d_size))
++ if (INVALID_NDX (ndx, GElf_Syminfo)
++ || unlikely ((ndx + 1) * sizeof (GElf_Syminfo) > data->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/elf_newscn.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/elf_newscn.c 2005-05-14 01:38:35.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Append new section.
+- Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -71,13 +71,21 @@ elf_newscn (elf)
+ else
+ {
+ /* We must allocate a new element. */
+- Elf_ScnList *newp;
++ Elf_ScnList *newp = NULL;
+
+ assert (elf->state.elf.scnincr > 0);
+
+- newp = (Elf_ScnList *) calloc (sizeof (Elf_ScnList)
+- + ((elf->state.elf.scnincr *= 2)
+- * sizeof (Elf_Scn)), 1);
++ if (
++#if SIZE_MAX <= 4294967295U
++ likely (elf->state.elf.scnincr
++ < SIZE_MAX / 2 / sizeof (Elf_Scn) - sizeof (Elf_ScnList))
++#else
++ 1
++#endif
++ )
++ newp = (Elf_ScnList *) calloc (sizeof (Elf_ScnList)
++ + ((elf->state.elf.scnincr *= 2)
++ * sizeof (Elf_Scn)), 1);
+ if (newp == NULL)
+ {
+ __libelf_seterrno (ELF_E_NOMEM);
+--- elfutils-0.108/libelf/gelf_update_lib.c.jj 2004-01-23 19:23:03.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_lib.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update library in table at the given index.
+- Copyright (C) 2004 Red Hat, Inc.
++ Copyright (C) 2004, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -35,12 +35,6 @@ gelf_update_lib (data, ndx, src)
+ if (data == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ Elf_Data_Scn *data_scn = (Elf_Data_Scn *) data;
+ if (unlikely (data_scn->d.d_type != ELF_T_LIB))
+ {
+@@ -54,7 +48,8 @@ gelf_update_lib (data, ndx, src)
+
+ /* Check whether we have to resize the data buffer. */
+ int result = 0;
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Lib) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Lib)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Lib) > data_scn->d.d_size))
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ else
+ {
+--- elfutils-0.108/libelf/gelf_getmove.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getmove.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get move structure at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -50,7 +50,8 @@ gelf_getmove (data, ndx, dst)
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Move) > data->d_size))
++ if (INVALID_NDX (ndx, GElf_Move)
++ || unlikely ((ndx + 1) * sizeof (GElf_Move) > data->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/elf32_updatefile.c.jj 2005-02-06 10:14:52.000000000 +0100
++++ elfutils-0.108/libelf/elf32_updatefile.c 2005-05-14 00:45:03.000000000 +0200
+@@ -164,6 +164,9 @@ __elfw2(LIBELFBITS,updatemmap) (Elf *elf
+ /* Write all the sections. Well, only those which are modified. */
+ if (shnum > 0)
+ {
++ if (unlikely (shnum > SIZE_MAX / sizeof (Elf_Scn *)))
++ return 1;
++
+ ElfW2(LIBELFBITS,Shdr) *shdr_dest;
+ Elf_ScnList *list = &elf->state.ELFW(elf,LIBELFBITS).scns;
+ Elf_Scn **scns = (Elf_Scn **) alloca (shnum * sizeof (Elf_Scn *));
+@@ -468,6 +471,10 @@ __elfw2(LIBELFBITS,updatefile) (Elf *elf
+ /* Write all the sections. Well, only those which are modified. */
+ if (shnum > 0)
+ {
++ if (unlikely (shnum > SIZE_MAX / (sizeof (Elf_Scn *)
++ + sizeof (ElfW2(LIBELFBITS,Shdr)))))
++ return 1;
++
+ off_t shdr_offset = elf->start_offset + ehdr->e_shoff;
+ #if EV_NUM != 2
+ xfct_t shdr_fctp = __elf_xfctstom[__libelf_version - 1][EV_CURRENT - 1][ELFW(ELFCLASS, LIBELFBITS) - 1][ELF_T_SHDR];
+--- elfutils-0.108/libelf/gelf_getsymshndx.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getsymshndx.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,6 +1,6 @@
+ /* Get symbol information and separate section index from symbol table
+ at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -57,7 +57,9 @@ gelf_getsymshndx (symdata, shndxdata, nd
+ section index table. */
+ if (likely (shndxdata_scn != NULL))
+ {
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Word) > shndxdata_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Word)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Word)
++ > shndxdata_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -77,7 +79,8 @@ gelf_getsymshndx (symdata, shndxdata, nd
+ table entries has to be adopted. The user better has provided
+ a buffer where we can store the information. While copying the
+ data we are converting the format. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Sym) > symdata->d_size))
++ if (INVALID_NDX (ndx, Elf32_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Sym) > symdata->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -106,7 +109,8 @@ gelf_getsymshndx (symdata, shndxdata, nd
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Sym) > symdata->d_size))
++ if (INVALID_NDX (ndx, GElf_Sym)
++ || unlikely ((ndx + 1) * sizeof (GElf_Sym) > symdata->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/gelf_update_move.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_move.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update move structure at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -42,7 +42,7 @@ gelf_update_move (data, ndx, src)
+ assert (sizeof (GElf_Move) == sizeof (Elf64_Move));
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely (ndx < 0)
++ if (INVALID_NDX (ndx, GElf_Move)
+ || unlikely ((ndx + 1) * sizeof (GElf_Move) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+--- elfutils-0.108/libelf/gelf_update_dyn.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_dyn.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update information in dynamic table at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -38,12 +38,6 @@ gelf_update_dyn (data, ndx, src)
+ if (data == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_DYN))
+ {
+ /* The type of the data better should match. */
+@@ -69,7 +63,8 @@ gelf_update_dyn (data, ndx, src)
+ }
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Dyn) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Dyn)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Dyn) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -83,7 +78,8 @@ gelf_update_dyn (data, ndx, src)
+ else
+ {
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Dyn) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Dyn)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Dyn) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/elf_begin.c.jj 2005-05-09 06:33:49.000000000 +0200
++++ elfutils-0.108/libelf/elf_begin.c 2005-05-14 00:29:34.000000000 +0200
+@@ -220,7 +220,7 @@ file_read_elf (int fildes, void *map_add
+
+ /* Determine the number of sections. */
+ scncnt = get_shnum (map_address, e_ident, fildes, offset, maxsize);
+- if (scncnt == (size_t) -1l)
++ if (scncnt == (size_t) -1l || scncnt > SIZE_MAX / sizeof (Elf_Scn))
+ /* Could not determine the number of sections. */
+ return NULL;
+
+--- elfutils-0.108/libelf/gelf_getversym.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getversym.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get symbol version information at the given index.
+- Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 1999, 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -59,7 +59,8 @@ gelf_getversym (data, ndx, dst)
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Versym) > data->d_size))
++ if (INVALID_NDX (ndx, GElf_Versym)
++ || unlikely ((ndx + 1) * sizeof (GElf_Versym) > data->d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ result = NULL;
+--- elfutils-0.108/libelf/elf32_newphdr.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/elf32_newphdr.c 2005-05-14 01:17:53.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Create new ELF program header table.
+- Copyright (C) 1999, 2000, 2002 Red Hat, Inc.
++ Copyright (C) 1999, 2000, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -91,6 +91,12 @@ elfw2(LIBELFBITS,newphdr) (elf, count)
+ else if (elf->state.ELFW(elf,LIBELFBITS).ehdr->e_phnum != count
+ || elf->state.ELFW(elf,LIBELFBITS).phdr == NULL)
+ {
++ if (unlikely (count > SIZE_MAX / sizeof (ElfW2(LIBELFBITS,Phdr))))
++ {
++ result = NULL;
++ goto out;
++ }
++
+ /* Allocate a new program header with the appropriate number of
+ elements. */
+ result = (ElfW2(LIBELFBITS,Phdr) *)
+--- elfutils-0.108/libelf/gelf_getdyn.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getdyn.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get information from dynamic table at the given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -60,7 +60,8 @@ gelf_getdyn (data, ndx, dst)
+ table entries has to be adopted. The user better has provided
+ a buffer where we can store the information. While copying the
+ data we are converting the format. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Dyn) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Dyn)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Dyn) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -81,7 +82,8 @@ gelf_getdyn (data, ndx, dst)
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+- if (unlikely ((ndx + 1) * sizeof (GElf_Dyn) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, GElf_Dyn)
++ || unlikely ((ndx + 1) * sizeof (GElf_Dyn) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/elf_getarsym.c.jj 2005-02-06 10:14:52.000000000 +0100
++++ elfutils-0.108/libelf/elf_getarsym.c 2005-05-14 01:37:47.000000000 +0200
+@@ -144,6 +144,9 @@ elf_getarsym (elf, ptr)
+ size_t index_size = atol (tmpbuf);
+
+ if (SARMAG + sizeof (struct ar_hdr) + index_size > elf->maximum_size
++#if SIZE_MAX <= 4294967295U
++ || n >= SIZE_MAX / sizeof (Elf_Arsym)
++#endif
+ || n * sizeof (uint32_t) > index_size)
+ {
+ /* This index table cannot be right since it does not fit into
+--- elfutils-0.108/libelf/libelfP.h.jj 2005-03-30 03:42:32.000000000 +0200
++++ elfutils-0.108/libelf/libelfP.h 2005-05-14 01:28:47.000000000 +0200
+@@ -531,4 +531,13 @@ extern uint32_t __libelf_crc32 (uint32_t
+ } while (0)
+ #endif
+
++/* Convenience macro. Assumes int NDX and TYPE with size at least
++ 2 bytes. */
++#if SIZE_MAX > 4294967295U
++# define INVALID_NDX(ndx, type) unlikely (ndx < 0)
++#else
++# define INVALID_NDX(ndx, type) \
++ unlikely ((unsigned int) (ndx) >= SIZE_MAX / sizeof (type))
++#endif
++
+ #endif /* libelfP.h */
+--- elfutils-0.108/libelf/gelf_getlib.c.jj 2004-01-23 19:22:56.000000000 +0100
++++ elfutils-0.108/libelf/gelf_getlib.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Get library from table at the given index.
+- Copyright (C) 2004 Red Hat, Inc.
++ Copyright (C) 2004, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -53,7 +53,8 @@ gelf_getlib (data, ndx, dst)
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+ GElf_Lib *result = NULL;
+- if (unlikely ((ndx + 1) * sizeof (GElf_Lib) > data->d_size))
++ if (INVALID_NDX (ndx, GElf_Lib)
++ || unlikely ((ndx + 1) * sizeof (GElf_Lib) > data->d_size))
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ else
+ {
+--- elfutils-0.108/libelf/gelf_update_symshndx.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_symshndx.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,6 +1,6 @@
+ /* Update symbol information and section index in symbol table at the
+ given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -44,12 +44,6 @@ gelf_update_symshndx (symdata, shndxdata
+ if (symdata == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (symdata_scn->d.d_type != ELF_T_SYM))
+ {
+ /* The type of the data better should match. */
+@@ -95,7 +89,8 @@ gelf_update_symshndx (symdata, shndxdata
+ }
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Sym) > symdata_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Sym) > symdata_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -118,7 +113,8 @@ gelf_update_symshndx (symdata, shndxdata
+ else
+ {
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Sym) > symdata_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Sym)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Sym) > symdata_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/elf32_getshdr.c.jj 2005-02-06 10:14:52.000000000 +0100
++++ elfutils-0.108/libelf/elf32_getshdr.c 2005-05-14 00:32:57.000000000 +0200
+@@ -66,7 +66,8 @@ elfw2(LIBELFBITS,getshdr) (scn)
+ goto out;
+
+ size_t shnum;
+- if (INTUSE (elf_getshnum) (elf, &shnum) != 0)
++ if (INTUSE (elf_getshnum) (elf, &shnum) != 0
++ || shnum > SIZE_MAX / sizeof (ElfW2(LIBELFBITS,Shdr)))
+ goto out;
+ size_t size = shnum * sizeof (ElfW2(LIBELFBITS,Shdr));
+
+--- elfutils-0.108/libelf/gelf_update_rela.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_rela.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update RELA relocation information at given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -35,12 +35,6 @@ gelf_update_rela (Elf_Data *dst, int ndx
+ if (dst == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_RELA))
+ {
+ /* The type of the data better should match. */
+@@ -68,7 +62,8 @@ gelf_update_rela (Elf_Data *dst, int ndx
+ }
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Rela) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Rela)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Rela) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -84,7 +79,8 @@ gelf_update_rela (Elf_Data *dst, int ndx
+ else
+ {
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Rela) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Rela)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Rela) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/libelf/gelf_update_versym.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_versym.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update symbol version information.
+- Copyright (C) 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2001.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -42,7 +42,7 @@ gelf_update_versym (data, ndx, src)
+ assert (sizeof (GElf_Versym) == sizeof (Elf64_Versym));
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely (ndx < 0)
++ if (INVALID_NDX (ndx, GElf_Versym)
+ || unlikely ((ndx + 1) * sizeof (GElf_Versym) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+--- elfutils-0.108/libelf/gelf_update_rel.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/gelf_update_rel.c 2005-05-14 01:31:25.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Update REL relocation information at given index.
+- Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
++ Copyright (C) 2000, 2001, 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -35,12 +35,6 @@ gelf_update_rel (Elf_Data *dst, int ndx,
+ if (dst == NULL)
+ return 0;
+
+- if (unlikely (ndx < 0))
+- {
+- __libelf_seterrno (ELF_E_INVALID_INDEX);
+- return 0;
+- }
+-
+ if (unlikely (data_scn->d.d_type != ELF_T_REL))
+ {
+ /* The type of the data better should match. */
+@@ -66,7 +60,8 @@ gelf_update_rel (Elf_Data *dst, int ndx,
+ }
+
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf32_Rel) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf32_Rel)
++ || unlikely ((ndx + 1) * sizeof (Elf32_Rel) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+@@ -81,7 +76,8 @@ gelf_update_rel (Elf_Data *dst, int ndx,
+ else
+ {
+ /* Check whether we have to resize the data buffer. */
+- if (unlikely ((ndx + 1) * sizeof (Elf64_Rel) > data_scn->d.d_size))
++ if (INVALID_NDX (ndx, Elf64_Rel)
++ || unlikely ((ndx + 1) * sizeof (Elf64_Rel) > data_scn->d.d_size))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+--- elfutils-0.108/src/elflint.c.jj 2005-05-07 01:46:26.000000000 +0200
++++ elfutils-0.108/src/elflint.c 2005-05-14 02:22:24.000000000 +0200
+@@ -111,6 +111,9 @@ static uint32_t shstrndx;
+ /* Array to count references in section groups. */
+ static int *scnref;
+
++/* Number of sections. */
++static unsigned int shnum;
++
+
+ int
+ main (int argc, char *argv[])
+@@ -300,10 +303,17 @@ section_name (Ebl *ebl, int idx)
+ {
+ GElf_Shdr shdr_mem;
+ GElf_Shdr *shdr;
++ const char *ret;
++
++ if ((unsigned int) idx > shnum)
++ return "<invalid>";
+
+ shdr = gelf_getshdr (elf_getscn (ebl->elf, idx), &shdr_mem);
+
+- return elf_strptr (ebl->elf, shstrndx, shdr->sh_name);
++ ret = elf_strptr (ebl->elf, shstrndx, shdr->sh_name);
++ if (ret == NULL)
++ return "<invalid>";
++ return ret;
+ }
+
+
+@@ -325,10 +335,6 @@ static const int valid_e_machine[] =
+ (sizeof (valid_e_machine) / sizeof (valid_e_machine[0]))
+
+
+-/* Number of sections. */
+-static unsigned int shnum;
+-
+-
+ static void
+ check_elf_header (Ebl *ebl, GElf_Ehdr *ehdr, size_t size)
+ {
+@@ -608,7 +614,8 @@ check_symtab (Ebl *ebl, GElf_Ehdr *ehdr,
+ xndxdata = NULL;
+ }
+
+- if (shdr->sh_entsize != gelf_fsize (ebl->elf, ELF_T_SYM, 1, EV_CURRENT))
++ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_SYM, 1, EV_CURRENT);
++ if (shdr->sh_entsize != sh_entsize)
+ ERROR (gettext ("\
+ section [%2zu] '%s': entry size is does not match ElfXX_Sym\n"),
+ cnt, section_name (ebl, cnt));
+@@ -646,7 +653,7 @@ section [%2d] '%s': XINDEX for zeroth en
+ xndxscnidx, section_name (ebl, xndxscnidx));
+ }
+
+- for (cnt = 1; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt)
++ for (cnt = 1; cnt < shdr->sh_size / sh_entsize; ++cnt)
+ {
+ sym = gelf_getsymshndx (data, xndxdata, cnt, &sym_mem, &xndx);
+ if (sym == NULL)
+@@ -664,7 +671,8 @@ section [%2d] '%s': symbol %zu: invalid
+ else
+ {
+ name = elf_strptr (ebl->elf, shdr->sh_link, sym->st_name);
+- assert (name != NULL);
++ assert (name != NULL
++ || strshdr->sh_type != SHT_STRTAB);
+ }
+
+ if (sym->st_shndx == SHN_XINDEX)
+@@ -954,7 +962,7 @@ is_rel_dyn (Ebl *ebl, GElf_Ehdr *ehdr, i
+ const GElf_Shdr *rcshdr = gelf_getshdr (scn, &rcshdr_mem);
+ assert (rcshdr != NULL);
+
+- if (rcshdr->sh_type == SHT_DYNAMIC)
++ if (rcshdr->sh_type == SHT_DYNAMIC && rcshdr->sh_entsize)
+ {
+ /* Found the dynamic section. Look through it. */
+ Elf_Data *d = elf_getdata (scn, NULL);
+@@ -964,14 +972,17 @@ is_rel_dyn (Ebl *ebl, GElf_Ehdr *ehdr, i
+ {
+ GElf_Dyn dyn_mem;
+ GElf_Dyn *dyn = gelf_getdyn (d, cnt, &dyn_mem);
+- assert (dyn != NULL);
++
++ if (dyn == NULL)
++ break;
+
+ if (dyn->d_tag == DT_RELCOUNT)
+ {
+ /* Found it. One last check: does the number
+ specified number of relative relocations exceed
+ the total number of relocations? */
+- if (dyn->d_un.d_val > shdr->sh_size / shdr->sh_entsize)
++ if (shdr->sh_entsize
++ && dyn->d_un.d_val > shdr->sh_size / shdr->sh_entsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': DT_RELCOUNT value %d too high for this section\n"),
+ idx, section_name (ebl, idx),
+@@ -1048,7 +1059,8 @@ section [%2d] '%s': no relocations for m
+ }
+ }
+
+- if (shdr->sh_entsize != gelf_fsize (ebl->elf, ELF_T_RELA, 1, EV_CURRENT))
++ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_RELA, 1, EV_CURRENT);
++ if (shdr->sh_entsize != sh_entsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': section entry size does not match ElfXX_Rela\n"),
+ idx, section_name (ebl, idx));
+@@ -1058,7 +1070,7 @@ section [%2d] '%s': section entry size d
+ GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem);
+ Elf_Data *symdata = elf_getdata (symscn, NULL);
+
+- for (cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt)
++ for (cnt = 0; cnt < shdr->sh_size / sh_entsize; ++cnt)
+ {
+ GElf_Rela rela_mem;
+ GElf_Rela *rela;
+@@ -1183,7 +1195,8 @@ section [%2d] '%s': no relocations for m
+ }
+ }
+
+- if (shdr->sh_entsize != gelf_fsize (ebl->elf, ELF_T_REL, 1, EV_CURRENT))
++ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_REL, 1, EV_CURRENT);
++ if (shdr->sh_entsize != sh_entsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': section entry size does not match ElfXX_Rel\n"),
+ idx, section_name (ebl, idx));
+@@ -1193,7 +1206,7 @@ section [%2d] '%s': section entry size d
+ GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem);
+ Elf_Data *symdata = elf_getdata (symscn, NULL);
+
+- for (cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt)
++ for (cnt = 0; cnt < shdr->sh_size / sh_entsize; ++cnt)
+ {
+ GElf_Rel rel_mem;
+ GElf_Rel *rel;
+@@ -1341,7 +1354,8 @@ section [%2d] '%s': referenced as string
+ shdr->sh_link, section_name (ebl, shdr->sh_link),
+ idx, section_name (ebl, idx));
+
+- if (shdr->sh_entsize != gelf_fsize (ebl->elf, ELF_T_DYN, 1, EV_CURRENT))
++ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_DYN, 1, EV_CURRENT);
++ if (shdr->sh_entsize != sh_entsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': section entry size does not match ElfXX_Dyn\n"),
+ idx, section_name (ebl, idx));
+@@ -1351,7 +1365,7 @@ section [%2d] '%s': section entry size d
+ idx, section_name (ebl, idx));
+
+ bool non_null_warned = false;
+- for (cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt)
++ for (cnt = 0; cnt < shdr->sh_size / sh_entsize; ++cnt)
+ {
+ GElf_Dyn dyn_mem;
+ GElf_Dyn *dyn;
+@@ -1502,6 +1516,8 @@ section [%2d] '%s': entry size does not
+ idx, section_name (ebl, idx));
+
+ if (symshdr != NULL
++ && shdr->sh_entsize
++ && symshdr->sh_entsize
+ && (shdr->sh_size / shdr->sh_entsize
+ < symshdr->sh_size / symshdr->sh_entsize))
+ ERROR (gettext ("\
+@@ -1530,6 +1546,12 @@ section [%2d] '%s': extended section ind
+ }
+
+ data = elf_getdata (scn, NULL);
++ if (data == NULL)
++ {
++ ERROR (gettext ("section [%2d] '%s': cannot get section data\n"),
++ idx, section_name (ebl, idx));
++ return;
++ }
+
+ if (*((Elf32_Word *) data->d_buf) != 0)
+ ERROR (gettext ("symbol 0 should have zero extended section index\n"));
+@@ -1613,7 +1635,7 @@ section [%2d] '%s': hash table section i
+ idx, section_name (ebl, idx), (long int) shdr->sh_size,
+ (long int) ((2 + nbucket + nchain) * shdr->sh_entsize));
+
+- if (symshdr != NULL)
++ if (symshdr != NULL && symshdr->sh_entsize)
+ {
+ size_t symsize = symshdr->sh_size / symshdr->sh_entsize;
+ size_t cnt;
+@@ -1910,8 +1932,10 @@ section [%2d] '%s' refers in sh_link to
+ return;
+ }
+
+- if (shdr->sh_size / shdr->sh_entsize
+- != symshdr->sh_size / symshdr->sh_entsize)
++ if (shdr->sh_entsize
++ && symshdr->sh_entsize
++ && shdr->sh_size / shdr->sh_entsize
++ != symshdr->sh_size / symshdr->sh_entsize)
+ ERROR (gettext ("\
+ section [%2d] '%s' has different number of entries than symbol table [%2d] '%s'\n"),
+ idx, section_name (ebl, idx),
+
+--- elfutils-0.108/libelf/elf32_getphdr.c.jj 2005-02-06 10:14:52.000000000 +0100
++++ elfutils-0.108/libelf/elf32_getphdr.c 2005-05-17 16:53:41.000000000 +0200
+@@ -80,6 +80,16 @@ elfw2(LIBELFBITS,getphdr) (elf)
+
+ if (elf->map_address != NULL)
+ {
++ /* First see whether the information in the ELF header is
++ valid and it does not ask for too much. */
++ if (unlikely (ehdr->e_phoff >= elf->maximum_size)
++ || unlikely (ehdr->e_phoff + size > elf->maximum_size))
++ {
++ /* Something is wrong. */
++ __libelf_seterrno (ELF_E_INVALID_PHDR);
++ goto out;
++ }
++
+ /* All the data is already mapped. Use it. */
+ if (ehdr->e_ident[EI_DATA] == MY_ELFDATA
+ && (ALLOW_UNALIGNED
+--- elfutils-0.108/libelf/elf_getshstrndx.c.jj 2004-01-05 21:45:05.000000000 +0100
++++ elfutils-0.108/libelf/elf_getshstrndx.c 2005-05-17 15:42:32.000000000 +0200
+@@ -1,5 +1,5 @@
+ /* Return section index of section header string table.
+- Copyright (C) 2002 Red Hat, Inc.
++ Copyright (C) 2002, 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ This program is free software; you can redistribute it and/or modify
+@@ -90,10 +90,25 @@ elf_getshstrndx (elf, dst)
+ if (elf->map_address != NULL
+ && elf->state.elf32.ehdr->e_ident[EI_DATA] == MY_ELFDATA
+ && (ALLOW_UNALIGNED
+- || (((size_t) ((char *) elf->map_address + offset))
++ || (((size_t) ((char *) elf->map_address
++ + elf->start_offset + offset))
+ & (__alignof__ (Elf32_Shdr) - 1)) == 0))
+- /* We can directly access the memory. */
+- num = ((Elf32_Shdr *) (elf->map_address + offset))->sh_link;
++ {
++ /* First see whether the information in the ELF header is
++ valid and it does not ask for too much. */
++ if (unlikely (offset + sizeof (Elf32_Shdr)
++ > elf->maximum_size))
++ {
++ /* Something is wrong. */
++ __libelf_seterrno (ELF_E_INVALID_SECTION_HEADER);
++ result = -1;
++ goto out;
++ }
++
++ /* We can directly access the memory. */
++ num = ((Elf32_Shdr *) (elf->map_address + elf->start_offset
++ + offset))->sh_link;
++ }
+ else
+ {
+ /* We avoid reading in all the section headers. Just read
+@@ -129,10 +144,25 @@ elf_getshstrndx (elf, dst)
+ if (elf->map_address != NULL
+ && elf->state.elf64.ehdr->e_ident[EI_DATA] == MY_ELFDATA
+ && (ALLOW_UNALIGNED
+- || (((size_t) ((char *) elf->map_address + offset))
++ || (((size_t) ((char *) elf->map_address
++ + elf->start_offset + offset))
+ & (__alignof__ (Elf64_Shdr) - 1)) == 0))
+- /* We can directly access the memory. */
+- num = ((Elf64_Shdr *) (elf->map_address + offset))->sh_link;
++ {
++ /* First see whether the information in the ELF header is
++ valid and it does not ask for too much. */
++ if (unlikely (offset + sizeof (Elf64_Shdr)
++ > elf->maximum_size))
++ {
++ /* Something is wrong. */
++ __libelf_seterrno (ELF_E_INVALID_SECTION_HEADER);
++ result = -1;
++ goto out;
++ }
++
++ /* We can directly access the memory. */
++ num = ((Elf64_Shdr *) (elf->map_address
++ + elf->start_offset + offset))->sh_link;
++ }
+ else
+ {
+ /* We avoid reading in all the section headers. Just read
+--- elfutils-0.108/libelf/elf32_getshdr.c.jj 2005-05-14 00:32:57.000000000 +0200
++++ elfutils-0.108/libelf/elf32_getshdr.c 2005-05-17 15:27:52.000000000 +0200
+@@ -71,7 +71,7 @@ elfw2(LIBELFBITS,getshdr) (scn)
+ goto out;
+ size_t size = shnum * sizeof (ElfW2(LIBELFBITS,Shdr));
+
+- /* Allocate memory for the program headers. We know the number
++ /* Allocate memory for the section headers. We know the number
+ of entries from the ELF header. */
+ ElfW2(LIBELFBITS,Shdr) *shdr = elf->state.ELFW(elf,LIBELFBITS).shdr =
+ (ElfW2(LIBELFBITS,Shdr) *) malloc (size);
+@@ -93,6 +93,16 @@ elfw2(LIBELFBITS,getshdr) (scn)
+ && (ehdr->e_shoff
+ & (__alignof__ (ElfW2(LIBELFBITS,Shdr)) - 1)) != 0));
+
++ /* First see whether the information in the ELF header is
++ valid and it does not ask for too much. */
++ if (unlikely (ehdr->e_shoff >= elf->maximum_size)
++ || unlikely (ehdr->e_shoff + size > elf->maximum_size))
++ {
++ /* Something is wrong. */
++ __libelf_seterrno (ELF_E_INVALID_SECTION_HEADER);
++ goto free_and_out;
++ }
++
+ /* Now copy the data and at the same time convert the byte
+ order. */
+ if (ALLOW_UNALIGNED
+--- elfutils-0.108/libelf/elf_begin.c.jj 2005-05-17 16:18:51.000000000 +0200
++++ elfutils-0.108/libelf/elf_begin.c 2005-05-17 17:31:37.000000000 +0200
+@@ -77,7 +77,11 @@ get_shnum (void *map_address, unsigned c
+ || (((size_t) ((char *) map_address + offset))
+ & ((is32 ? __alignof__ (Elf32_Ehdr) : __alignof__ (Elf64_Ehdr))
+ - 1)) == 0))
+- ehdr.p = (char *) map_address + offset;
++ {
++ ehdr.p = (char *) map_address + offset;
++ if (maxsize < (is32 ? sizeof (Elf32_Ehdr) : sizeof (Elf64_Ehdr)))
++ return (size_t) -1l;
++ }
+ else
+ {
+ /* We have to read the data from the file. */
+@@ -111,7 +115,8 @@ get_shnum (void *map_address, unsigned c
+
+ if (unlikely (result == 0) && ehdr.e32->e_shoff != 0)
+ {
+- if (offset + ehdr.e32->e_shoff + sizeof (Elf32_Shdr) > maxsize)
++ if (unlikely (ehdr.e32->e_shoff >= maxsize)
++ || unlikely (ehdr.e32->e_shoff + sizeof (Elf32_Shdr) > maxsize))
+ /* Cannot read the first section header. */
+ return (size_t) -1l;
+
+@@ -147,7 +152,8 @@ get_shnum (void *map_address, unsigned c
+
+ if (unlikely (result == 0) && ehdr.e64->e_shoff != 0)
+ {
+- if (offset + ehdr.e64->e_shoff + sizeof (Elf64_Shdr) > maxsize)
++ if (unlikely (ehdr.e64->e_shoff >= maxsize)
++ || unlikely (ehdr.e64->e_shoff + sizeof (Elf64_Shdr) > maxsize))
+ /* Cannot read the first section header. */
+ return (size_t) -1l;
+
+@@ -220,10 +226,19 @@ file_read_elf (int fildes, void *map_add
+
+ /* Determine the number of sections. */
+ scncnt = get_shnum (map_address, e_ident, fildes, offset, maxsize);
+- if (scncnt == (size_t) -1l || scncnt > SIZE_MAX / sizeof (Elf_Scn))
++ if (scncnt == (size_t) -1l)
+ /* Could not determine the number of sections. */
+ return NULL;
+
++ /* Check for too many sections. */
++ if (e_ident[EI_CLASS] == ELFCLASS32)
++ {
++ if (scncnt > SIZE_MAX / (sizeof (Elf_Scn) + sizeof (Elf32_Shdr)))
++ return NULL;
++ }
++ else if (scncnt > SIZE_MAX / (sizeof (Elf_Scn) + sizeof (Elf64_Shdr)))
++ return NULL;
++
+ /* We can now allocate the memory. */
+ elf = allocate_elf (fildes, map_address, offset, maxsize, cmd, parent,
+ ELF_K_ELF, scncnt * sizeof (Elf_Scn));
+@@ -255,15 +270,31 @@ file_read_elf (int fildes, void *map_add
+ /* We can use the mmapped memory. */
+ elf->state.elf32.ehdr =
+ (Elf32_Ehdr *) ((char *) map_address + offset);
++ if (unlikely (elf->state.elf32.ehdr->e_shoff >= maxsize)
++ || unlikely (elf->state.elf32.ehdr->e_shoff
++ + scncnt * sizeof (Elf32_Shdr) > maxsize))
++ {
++ free_and_out:
++ __libelf_seterrno (ELF_E_INVALID_FILE);
++ free (elf);
++ return NULL;
++ }
+ elf->state.elf32.shdr =
+ (Elf32_Shdr *) ((char *) map_address + offset
+ + elf->state.elf32.ehdr->e_shoff);
+ if (elf->state.elf32.ehdr->e_phnum)
+- /* Assign a value only if there really is a program
+- header. Otherwise the value remains NULL. */
+- elf->state.elf32.phdr
+- = (Elf32_Phdr *) ((char *) map_address + offset
+- + elf->state.elf32.ehdr->e_phoff);
++ {
++ /* Assign a value only if there really is a program
++ header. Otherwise the value remains NULL. */
++ if (unlikely (elf->state.elf32.ehdr->e_phoff >= maxsize)
++ || unlikely (elf->state.elf32.ehdr->e_phoff
++ + elf->state.elf32.ehdr->e_phnum
++ * sizeof (Elf32_Phdr) > maxsize))
++ goto free_and_out;
++ elf->state.elf32.phdr
++ = (Elf32_Phdr *) ((char *) map_address + offset
++ + elf->state.elf32.ehdr->e_phoff);
++ }
+
+ for (size_t cnt = 0; cnt < scncnt; ++cnt)
+ {
+@@ -285,8 +316,7 @@ file_read_elf (int fildes, void *map_add
+ sizeof (Elf32_Ehdr), offset) != sizeof (Elf32_Ehdr))
+ {
+ /* We must be able to read the ELF header. */
+- __libelf_seterrno (ELF_E_INVALID_FILE);
+- return NULL;
++ goto free_and_out;
+ }
+
+ if (e_ident[EI_DATA] != MY_ELFDATA)
+@@ -340,15 +370,26 @@ file_read_elf (int fildes, void *map_add
+ /* We can use the mmapped memory. */
+ elf->state.elf64.ehdr =
+ (Elf64_Ehdr *) ((char *) map_address + offset);
++ if (unlikely (elf->state.elf64.ehdr->e_shoff >= maxsize)
++ || unlikely (elf->state.elf64.ehdr->e_shoff
++ + scncnt * sizeof (Elf64_Shdr) > maxsize))
++ goto free_and_out;
+ elf->state.elf64.shdr =
+ (Elf64_Shdr *) ((char *) map_address + offset
+ + elf->state.elf64.ehdr->e_shoff);
+ if (elf->state.elf64.ehdr->e_phnum)
+- /* Assign a value only if there really is a program
+- header. Otherwise the value remains NULL. */
+- elf->state.elf64.phdr
+- = (Elf64_Phdr *) ((char *) map_address + offset
+- + elf->state.elf64.ehdr->e_phoff);
++ {
++ /* Assign a value only if there really is a program
++ header. Otherwise the value remains NULL. */
++ if (unlikely (elf->state.elf64.ehdr->e_phoff >= maxsize)
++ || unlikely (elf->state.elf64.ehdr->e_phoff
++ + elf->state.elf64.ehdr->e_phnum
++ * sizeof (Elf64_Phdr) > maxsize))
++ goto free_and_out;
++ elf->state.elf64.phdr
++ = (Elf64_Phdr *) ((char *) map_address + offset
++ + elf->state.elf64.ehdr->e_phoff);
++ }
+
+ for (size_t cnt = 0; cnt < scncnt; ++cnt)
+ {
+@@ -370,8 +411,7 @@ file_read_elf (int fildes, void *map_add
+ sizeof (Elf64_Ehdr), offset) != sizeof (Elf64_Ehdr))
+ {
+ /* We must be able to read the ELF header. */
+- __libelf_seterrno (ELF_E_INVALID_FILE);
+- return NULL;
++ goto free_and_out;
+ }
+
+ if (e_ident[EI_DATA] != MY_ELFDATA)
+--- elfutils-0.108/src/elflint.c.jj 2005-05-14 02:22:24.000000000 +0200
++++ elfutils-0.108/src/elflint.c 2005-05-17 18:02:00.000000000 +0200
+@@ -309,6 +309,8 @@ section_name (Ebl *ebl, int idx)
+ return "<invalid>";
+
+ shdr = gelf_getshdr (elf_getscn (ebl->elf, idx), &shdr_mem);
++ if (shdr == NULL)
++ return "<invalid>";
+
+ ret = elf_strptr (ebl->elf, shstrndx, shdr->sh_name);
+ if (ret == NULL)
+@@ -1639,19 +1641,26 @@ section [%2d] '%s': hash table section i
+ {
+ size_t symsize = symshdr->sh_size / symshdr->sh_entsize;
+ size_t cnt;
++ Elf32_Word *buf, *end;
+
+ if (nchain < symshdr->sh_size / symshdr->sh_entsize)
+ ERROR (gettext ("section [%2d] '%s': chain array not large enough\n"),
+ idx, section_name (ebl, idx));
+
++ buf = ((Elf32_Word *) data->d_buf) + 2;
++ end = (Elf32_Word *) ((char *) data->d_buf + shdr->sh_size);
+ for (cnt = 2; cnt < 2 + nbucket; ++cnt)
+- if (((Elf32_Word *) data->d_buf)[cnt] >= symsize)
++ if (buf >= end)
++ return;
++ else if (*buf++ >= symsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': hash bucket reference %zu out of bounds\n"),
+ idx, section_name (ebl, idx), cnt - 2);
+
+ for (; cnt < 2 + nbucket + nchain; ++cnt)
+- if (((Elf32_Word *) data->d_buf)[cnt] >= symsize)
++ if (buf >= end)
++ return;
++ else if (*buf++ >= symsize)
+ ERROR (gettext ("\
+ section [%2d] '%s': hash chain reference %zu out of bounds\n"),
+ idx, section_name (ebl, idx), cnt - 2 - nbucket);
+@@ -2311,6 +2320,8 @@ phdr[%d]: no note entries defined for th
+ return;
+
+ char *notemem = gelf_rawchunk (ebl->elf, phdr->p_offset, phdr->p_filesz);
++ if (notemem == NULL)
++ return;
+
+ /* ELF64 files often use note section entries in the 32-bit format.
+ The p_align field is set to 8 in case the 64-bit format is used.
diff --git a/elfutils.spec b/elfutils.spec
index c22ba694..9aa302bb 100644
--- a/elfutils.spec
+++ b/elfutils.spec
@@ -1,12 +1,13 @@
Name: elfutils
Version: 0.108
-Release: alt1
+Release: alt2
Summary: A collection of utilities and DSOs to handle compiled objects
License: OSL
Group: Development/C
Source: %name-%version.tar.bz2
-Patch: %name-rh-portability.patch
+Patch1: %name-rh-portability.patch
+Patch2: %name-0.108-rh-robustify.patch
Requires: libelf = %version-%release
%define gpl 0
@@ -72,7 +73,8 @@ object file format, so you can see the different sections of an ELF file.
%prep
%setup -q
-%patch -p1
+%patch1 -p1
+%patch2 -p1
%__subst -p 's/ -Werror / /' tests/Makefile*
%build
@@ -134,6 +136,10 @@ popd
%_includedir/nlist.h
%changelog
+* Fri Jun 03 2005 Dmitry V. Levin <ldv@altlinux.org> 0.108-alt2
+- Applied upstream fix for unsanitized input issues
+ (CAN-2005-1704).
+
* Fri May 27 2005 Dmitry V. Levin <ldv@altlinux.org> 0.108-alt1
- Updated to 0.108.