X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=elfutils%2Fpatches%2Felfutils-robustify.patch;fp=elfutils%2Fpatches%2Felfutils-robustify.patch;h=0000000000000000000000000000000000000000;hb=427948e0737717a8d8534bf6d6559ef043c371da;hp=afed2f8a80bb6a322d98ea2167e91c9e4cc05cd7;hpb=fe534752fe8090a5a67ed8873a6a40eb91278881;p=people%2Famarx%2Fipfire-3.x.git diff --git a/elfutils/patches/elfutils-robustify.patch b/elfutils/patches/elfutils-robustify.patch deleted file mode 100644 index afed2f8a8..000000000 --- a/elfutils/patches/elfutils-robustify.patch +++ /dev/null @@ -1,1643 +0,0 @@ ---- elfutils/libelf/ChangeLog -+++ elfutils/libelf/ChangeLog -@@ -663,10 +663,53 @@ - If section content hasn't been read yet, do it before looking for the - block size. If no section data present, infer size of section header. - -+2005-05-14 Jakub Jelinek -+ -+ * 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. - 2005-05-11 Ulrich Drepper - - * elf.h: Update again. - -+2005-05-17 Jakub Jelinek -+ -+ * 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)): -+ Check if section header table fits into object's bounds. -+ * elf_begin.c (get_shnum): Ensure section headers 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. -+ - 2005-05-09 Ulrich Drepper - - * elf.h: Update from glibc. ---- elfutils/libelf/elf32_getphdr.c -+++ elfutils/libelf/elf32_getphdr.c -@@ -114,6 +114,16 @@ __elfw2(LIBELFBITS,getphdr_wrlock) (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 (elf->maximum_size - ehdr->e_phoff < size)) -+ { -+ /* Something is wrong. */ -+ __libelf_seterrno (ELF_E_INVALID_PHDR); -+ goto out; -+ } -+ - /* All the data is already mapped. Use it. */ - void *file_phdr = ((char *) elf->map_address - + elf->start_offset + ehdr->e_phoff); ---- elfutils/libelf/elf32_getshdr.c -+++ elfutils/libelf/elf32_getshdr.c -@@ -1,5 +1,5 @@ - /* Return section header. -- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005, 2007, 2009 Red Hat, Inc. -+ Copyright (C) 1998-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 1998. - -@@ -81,7 +81,8 @@ load_shdr_wrlock (Elf_Scn *scn) - goto out; - - size_t shnum; -- if (__elf_getshdrnum_rdlock (elf, &shnum) != 0) -+ if (__elf_getshdrnum_rdlock (elf, &shnum) != 0 -+ || shnum > SIZE_MAX / sizeof (ElfW2(LIBELFBITS,Shdr))) - goto out; - size_t size = shnum * sizeof (ElfW2(LIBELFBITS,Shdr)); - -@@ -98,6 +99,16 @@ load_shdr_wrlock (Elf_Scn *scn) - - 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_shoff >= elf->maximum_size) -+ || unlikely (elf->maximum_size - ehdr->e_shoff < size)) -+ { -+ /* Something is wrong. */ -+ __libelf_seterrno (ELF_E_INVALID_SECTION_HEADER); -+ goto free_and_out; -+ } -+ - ElfW2(LIBELFBITS,Shdr) *notcvt; - - /* All the data is already mapped. If we could use it ---- elfutils/libelf/elf32_newphdr.c -+++ elfutils/libelf/elf32_newphdr.c -@@ -135,6 +135,12 @@ elfw2(LIBELFBITS,newphdr) (elf, count) - || count == PN_XNUM - || 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/libelf/elf32_updatefile.c -+++ elfutils/libelf/elf32_updatefile.c -@@ -223,6 +223,9 @@ __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; -+ - Elf_ScnList *list = &elf->state.ELFW(elf,LIBELFBITS).scns; - Elf_Scn **scns = (Elf_Scn **) alloca (shnum * sizeof (Elf_Scn *)); - char *const shdr_start = ((char *) elf->map_address + elf->start_offset -@@ -645,6 +648,10 @@ __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/libelf/elf_begin.c -+++ elfutils/libelf/elf_begin.c -@@ -165,7 +165,8 @@ get_shnum (void *map_address, unsigned c - - if (unlikely (result == 0) && ehdr.e32->e_shoff != 0) - { -- if (ehdr.e32->e_shoff + sizeof (Elf32_Shdr) > maxsize) -+ if (unlikely (ehdr.e32->e_shoff >= maxsize) -+ || unlikely (maxsize - ehdr.e32->e_shoff < sizeof (Elf32_Shdr))) - /* Cannot read the first section header. */ - return 0; - -@@ -213,7 +214,8 @@ get_shnum (void *map_address, unsigned c - - if (unlikely (result == 0) && ehdr.e64->e_shoff != 0) - { -- if (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 0; - -@@ -285,6 +287,15 @@ file_read_elf (int fildes, void *map_add - /* 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. Even if there are no section headers, - we allocate space for a zeroth section in case we need it later. */ - const size_t scnmax = (scncnt ?: (cmd == ELF_C_RDWR || cmd == ELF_C_RDWR_MMAP) -@@ -324,6 +335,16 @@ file_read_elf (int fildes, void *map_add - { - /* We can use the mmapped memory. */ - elf->state.elf32.ehdr = ehdr; -+ -+ if (unlikely (ehdr->e_shoff >= maxsize) -+ || unlikely (maxsize - ehdr->e_shoff -+ < scncnt * sizeof (Elf32_Shdr))) -+ { -+ free_and_out: -+ free (elf); -+ __libelf_seterrno (ELF_E_INVALID_FILE); -+ return NULL; -+ } - elf->state.elf32.shdr - = (Elf32_Shdr *) ((char *) ehdr + ehdr->e_shoff); - -@@ -410,6 +431,11 @@ file_read_elf (int fildes, void *map_add - { - /* We can use the mmapped memory. */ - elf->state.elf64.ehdr = ehdr; -+ -+ if (unlikely (ehdr->e_shoff >= maxsize) -+ || unlikely (ehdr->e_shoff -+ + scncnt * sizeof (Elf32_Shdr) > maxsize)) -+ goto free_and_out; - elf->state.elf64.shdr - = (Elf64_Shdr *) ((char *) ehdr + ehdr->e_shoff); - ---- elfutils/libelf/elf_getarsym.c -+++ elfutils/libelf/elf_getarsym.c -@@ -179,6 +179,9 @@ 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/libelf/elf_getshdrstrndx.c -+++ elfutils/libelf/elf_getshdrstrndx.c -@@ -125,10 +125,25 @@ elf_getshdrstrndx (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 (elf->maximum_size - offset -+ < sizeof (Elf32_Shdr))) -+ { -+ /* 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 -@@ -163,10 +178,25 @@ elf_getshdrstrndx (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 (elf->maximum_size - offset -+ < sizeof (Elf64_Shdr))) -+ { -+ /* 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/libelf/elf_newscn.c -+++ elfutils/libelf/elf_newscn.c -@@ -104,10 +104,18 @@ elf_newscn (elf) - else - { - /* We must allocate a new element. */ -- Elf_ScnList *newp; -+ Elf_ScnList *newp = NULL; - - assert (elf->state.elf.scnincr > 0); - -+ 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); ---- elfutils/libelf/gelf_getdyn.c -+++ elfutils/libelf/gelf_getdyn.c -@@ -1,5 +1,5 @@ - /* Get information from dynamic table at the given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -93,7 +93,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -114,7 +114,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_getlib.c -+++ elfutils/libelf/gelf_getlib.c -@@ -1,5 +1,5 @@ - /* Get library from table at the given index. -- Copyright (C) 2004 Red Hat, Inc. -+ Copyright (C) 2004-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2004. - -@@ -86,7 +86,7 @@ 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, data)) - __libelf_seterrno (ELF_E_INVALID_INDEX); - else - { ---- elfutils/libelf/gelf_getmove.c -+++ elfutils/libelf/gelf_getmove.c -@@ -1,5 +1,5 @@ - /* Get move structure at the given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -83,7 +83,7 @@ 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, data)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_getrela.c -+++ elfutils/libelf/gelf_getrela.c -@@ -1,5 +1,5 @@ - /* Get RELA relocation information at given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -71,12 +71,6 @@ 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); -@@ -93,7 +87,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - result = NULL; -@@ -114,7 +108,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - result = NULL; ---- elfutils/libelf/gelf_getrel.c -+++ elfutils/libelf/gelf_getrel.c -@@ -1,5 +1,5 @@ - /* Get REL relocation information at given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -71,12 +71,6 @@ 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); -@@ -93,7 +87,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - result = NULL; -@@ -113,7 +107,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - result = NULL; ---- elfutils/libelf/gelf_getsym.c -+++ elfutils/libelf/gelf_getsym.c -@@ -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) 1999-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 1999. - -@@ -90,7 +90,7 @@ 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, data)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -119,7 +119,7 @@ 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, data)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_getsyminfo.c -+++ elfutils/libelf/gelf_getsyminfo.c -@@ -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) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -84,7 +84,7 @@ 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, data)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_getsymshndx.c -+++ elfutils/libelf/gelf_getsymshndx.c -@@ -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) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -90,7 +90,7 @@ 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, &shndxdata_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -110,7 +110,7 @@ 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, symdata)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -139,7 +139,7 @@ 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, symdata)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_getversym.c -+++ elfutils/libelf/gelf_getversym.c -@@ -1,5 +1,5 @@ - /* Get symbol version information at the given index. -- Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 1999-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 1999. - -@@ -92,7 +92,7 @@ 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, data)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - result = NULL; ---- elfutils/libelf/gelf_update_dyn.c -+++ elfutils/libelf/gelf_update_dyn.c -@@ -1,5 +1,5 @@ - /* Update information in dynamic table at the given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -71,12 +71,6 @@ 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. */ -@@ -102,7 +96,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -116,7 +110,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_lib.c -+++ elfutils/libelf/gelf_update_lib.c -@@ -1,5 +1,5 @@ - /* Update library in table at the given index. -- Copyright (C) 2004 Red Hat, Inc. -+ Copyright (C) 2004-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2004. - -@@ -68,12 +68,6 @@ 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)) - { -@@ -87,7 +81,7 @@ 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, &data_scn->d)) - __libelf_seterrno (ELF_E_INVALID_INDEX); - else - { ---- elfutils/libelf/gelf_update_move.c -+++ elfutils/libelf/gelf_update_move.c -@@ -1,5 +1,5 @@ - /* Update move structure at the given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -75,8 +75,7 @@ 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) -- || unlikely ((ndx + 1) * sizeof (GElf_Move) > data_scn->d.d_size)) -+ if (INVALID_NDX (ndx, GElf_Move, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - return 0; ---- elfutils/libelf/gelf_update_rela.c -+++ elfutils/libelf/gelf_update_rela.c -@@ -1,5 +1,5 @@ - /* Update RELA relocation information at given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -68,12 +68,6 @@ 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. */ -@@ -101,7 +95,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -117,7 +111,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_rel.c -+++ elfutils/libelf/gelf_update_rel.c -@@ -1,5 +1,5 @@ - /* Update REL relocation information at given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -68,12 +68,6 @@ 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. */ -@@ -99,7 +93,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -114,7 +108,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_sym.c -+++ elfutils/libelf/gelf_update_sym.c -@@ -1,5 +1,5 @@ - /* Update symbol information in symbol table at the given index. -- Copyright (C) 2000, 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -72,12 +72,6 @@ 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. */ -@@ -102,7 +96,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -125,7 +119,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_syminfo.c -+++ elfutils/libelf/gelf_update_syminfo.c -@@ -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) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -72,12 +72,6 @@ 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. */ -@@ -93,7 +87,7 @@ 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, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_symshndx.c -+++ elfutils/libelf/gelf_update_symshndx.c -@@ -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) 2000-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2000. - -@@ -77,12 +77,6 @@ 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. */ -@@ -128,7 +122,7 @@ 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, &symdata_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; -@@ -151,7 +145,7 @@ 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, &symdata_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; ---- elfutils/libelf/gelf_update_versym.c -+++ elfutils/libelf/gelf_update_versym.c -@@ -1,5 +1,5 @@ - /* Update symbol version information. -- Copyright (C) 2001, 2002 Red Hat, Inc. -+ Copyright (C) 2001-2009 Red Hat, Inc. - This file is part of Red Hat elfutils. - Written by Ulrich Drepper , 2001. - -@@ -75,8 +75,7 @@ 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) -- || unlikely ((ndx + 1) * sizeof (GElf_Versym) > data_scn->d.d_size)) -+ if (INVALID_NDX (ndx, GElf_Versym, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - return 0; ---- elfutils/libelf/libelfP.h -+++ elfutils/libelf/libelfP.h -@@ -608,4 +608,8 @@ extern uint32_t __libelf_crc32 (uint32_t - /* Align offset to 4 bytes as needed for note name and descriptor data. */ - #define NOTE_ALIGN(n) (((n) + 3) & -4U) - -+/* Convenience macro. */ -+#define INVALID_NDX(ndx, type, data) \ -+ unlikely ((data)->d_size / sizeof (type) <= (unsigned int) (ndx)) -+ - #endif /* libelfP.h */ ---- elfutils/src/ChangeLog -+++ elfutils/src/ChangeLog -@@ -1710,6 +1710,16 @@ - object symbols or symbols with unknown type. - (check_rel): Likewise. - -+2005-06-09 Roland McGrath -+ -+ * readelf.c (handle_dynamic, handle_symtab): Check for bogus sh_link. -+ (handle_verneed, handle_verdef, handle_versym, handle_hash): Likewise. -+ (handle_scngrp): Check for bogus sh_info. -+ -+ * strip.c (handle_elf): Check for bogus values in sh_link, sh_info, -+ st_shndx, e_shstrndx, and SHT_GROUP or SHT_SYMTAB_SHNDX data. -+ Don't use assert on input values, instead bail with "illformed" error. -+ - 2005-06-08 Roland McGrath - - * readelf.c (print_ops): Add consts. -@@ -1755,6 +1765,19 @@ - - * readelf.c (dwarf_tag_string): Add new tags. - -+2005-05-17 Jakub Jelinek -+ -+ * elflint.c (check_hash): Don't check entries beyond end of section. -+ (check_note): Don't crash if gelf_rawchunk fails. -+ (section_name): Return if gelf_getshdr returns NULL. -+ -+2005-05-14 Jakub Jelinek -+ -+ * elflint.c (section_name): Return "" 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. -+ - 2005-05-08 Roland McGrath - - * strip.c (handle_elf): Don't translate hash and versym data formats, ---- elfutils/src/elflint.c -+++ elfutils/src/elflint.c -@@ -131,6 +131,10 @@ static uint32_t shstrndx; - /* Array to count references in section groups. */ - static int *scnref; - -+/* Numbers of sections and program headers. */ -+static unsigned int shnum; -+static unsigned int phnum; -+ - - int - main (int argc, char *argv[]) -@@ -319,10 +323,19 @@ section_name (Ebl *ebl, int idx) - { - GElf_Shdr shdr_mem; - GElf_Shdr *shdr; -+ const char *ret; -+ -+ if ((unsigned int) idx > shnum) -+ return ""; - - shdr = gelf_getshdr (elf_getscn (ebl->elf, idx), &shdr_mem); -+ if (shdr == NULL) -+ return ""; - -- return elf_strptr (ebl->elf, shstrndx, shdr->sh_name); -+ ret = elf_strptr (ebl->elf, shstrndx, shdr->sh_name); -+ if (ret == NULL) -+ return ""; -+ return ret; - } - - -@@ -344,11 +357,6 @@ static const int valid_e_machine[] = - (sizeof (valid_e_machine) / sizeof (valid_e_machine[0])) - - --/* Numbers of sections and program headers. */ --static unsigned int shnum; --static unsigned int phnum; -- -- - static void - check_elf_header (Ebl *ebl, GElf_Ehdr *ehdr, size_t size) - { -@@ -632,7 +640,8 @@ section [%2d] '%s': symbol table cannot - } - } - -- 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 [%2u] '%s': entry size is does not match ElfXX_Sym\n"), - idx, section_name (ebl, idx)); -@@ -670,7 +679,7 @@ section [%2d] '%s': XINDEX for zeroth en - xndxscnidx, section_name (ebl, xndxscnidx)); - } - -- for (size_t cnt = 1; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) -+ for (size_t cnt = 1; cnt < shdr->sh_size / sh_entsize; ++cnt) - { - sym = gelf_getsymshndx (data, xndxdata, cnt, &sym_mem, &xndx); - if (sym == NULL) -@@ -690,7 +699,8 @@ 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) -@@ -1039,9 +1049,11 @@ is_rel_dyn (Ebl *ebl, const GElf_Ehdr *e - { - GElf_Shdr rcshdr_mem; - const GElf_Shdr *rcshdr = gelf_getshdr (scn, &rcshdr_mem); -- assert (rcshdr != NULL); - -- if (rcshdr->sh_type == SHT_DYNAMIC) -+ if (rcshdr == NULL) -+ break; -+ -+ if (rcshdr->sh_type == SHT_DYNAMIC && rcshdr->sh_entsize) - { - /* Found the dynamic section. Look through it. */ - Elf_Data *d = elf_getdata (scn, NULL); -@@ -1051,7 +1063,9 @@ is_rel_dyn (Ebl *ebl, const GElf_Ehdr *e - { - 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) - { -@@ -1065,7 +1079,9 @@ section [%2d] '%s': DT_RELCOUNT used for - /* 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 != 0 -+ && 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), -@@ -1225,7 +1241,8 @@ section [%2d] '%s': no relocations for m - } - } - -- if (shdr->sh_entsize != gelf_fsize (ebl->elf, reltype, 1, EV_CURRENT)) -+ size_t sh_entsize = gelf_fsize (ebl->elf, reltype, 1, EV_CURRENT); -+ if (shdr->sh_entsize != sh_entsize) - ERROR (gettext (reltype == ELF_T_RELA ? "\ - section [%2d] '%s': section entry size does not match ElfXX_Rela\n" : "\ - section [%2d] '%s': section entry size does not match ElfXX_Rel\n"), -@@ -1448,7 +1465,8 @@ check_rela (Ebl *ebl, GElf_Ehdr *ehdr, G - Elf_Data *symdata = elf_getdata (symscn, NULL); - enum load_state state = state_undecided; - -- for (size_t cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) -+ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_RELA, 1, EV_CURRENT); -+ for (size_t cnt = 0; cnt < shdr->sh_size / sh_entsize; ++cnt) - { - GElf_Rela rela_mem; - GElf_Rela *rela = gelf_getrela (data, cnt, &rela_mem); -@@ -1498,7 +1516,8 @@ check_rel (Ebl *ebl, GElf_Ehdr *ehdr, GE - Elf_Data *symdata = elf_getdata (symscn, NULL); - enum load_state state = state_undecided; - -- for (size_t cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) -+ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_REL, 1, EV_CURRENT); -+ for (size_t cnt = 0; cnt < shdr->sh_size / sh_entsize; ++cnt) - { - GElf_Rel rel_mem; - GElf_Rel *rel = gelf_getrel (data, cnt, &rel_mem); -@@ -1597,7 +1616,8 @@ 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)); -@@ -1607,7 +1627,7 @@ 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 = gelf_getdyn (data, cnt, &dyn_mem); -@@ -1879,6 +1899,8 @@ 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 ("\ -@@ -1905,6 +1927,12 @@ section [%2d] '%s': extended section ind - } - - Elf_Data *data = elf_getdata (elf_getscn (ebl->elf, idx), 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")); -@@ -1947,7 +1975,7 @@ section [%2d] '%s': hash table section i - - size_t maxidx = nchain; - -- if (symshdr != NULL) -+ if (symshdr != NULL && symshdr->sh_entsize != 0) - { - size_t symsize = symshdr->sh_size / symshdr->sh_entsize; - -@@ -1958,18 +1986,28 @@ section [%2d] '%s': hash table section i - maxidx = symsize; - } - -+ Elf32_Word *buf = (Elf32_Word *) data->d_buf; -+ Elf32_Word *end = (Elf32_Word *) ((char *) data->d_buf + shdr->sh_size); - size_t cnt; - for (cnt = 2; cnt < 2 + nbucket; ++cnt) -- if (((Elf32_Word *) data->d_buf)[cnt] >= maxidx) -+ { -+ if (buf + cnt >= end) -+ break; -+ else if (buf[cnt] >= maxidx) - 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] >= maxidx) -+ { -+ if (buf + cnt >= end) -+ break; -+ else if (buf[cnt] >= maxidx) - ERROR (gettext ("\ - section [%2d] '%s': hash chain reference %zu out of bounds\n"), - idx, section_name (ebl, idx), cnt - 2 - nbucket); -+ } - } - - -@@ -1999,18 +2037,28 @@ section [%2d] '%s': hash table section i - maxidx = symsize; - } - -+ Elf64_Xword *buf = (Elf64_Xword *) data->d_buf; -+ Elf64_Xword *end = (Elf64_Xword *) ((char *) data->d_buf + shdr->sh_size); - size_t cnt; - for (cnt = 2; cnt < 2 + nbucket; ++cnt) -- if (((Elf64_Xword *) data->d_buf)[cnt] >= maxidx) -+ { -+ if (buf + cnt >= end) -+ break; -+ else if (buf[cnt] >= maxidx) - 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 (((Elf64_Xword *) data->d_buf)[cnt] >= maxidx) -+ { -+ if (buf + cnt >= end) -+ break; -+ else if (buf[cnt] >= maxidx) - ERROR (gettext ("\ - section [%2d] '%s': hash chain reference %" PRIu64 " out of bounds\n"), -- idx, section_name (ebl, idx), (uint64_t) (cnt - 2 - nbucket)); -+ idx, section_name (ebl, idx), (uint64_t) cnt - 2 - nbucket); -+ } - } - - -@@ -2035,7 +2083,7 @@ section [%2d] '%s': bitmask size not pow - if (shdr->sh_size < (4 + bitmask_words + nbuckets) * sizeof (Elf32_Word)) - { - ERROR (gettext ("\ --section [%2d] '%s': hash table section is too small (is %ld, expected at least%ld)\n"), -+section [%2d] '%s': hash table section is too small (is %ld, expected at least %ld)\n"), - idx, section_name (ebl, idx), (long int) shdr->sh_size, - (long int) ((4 + bitmask_words + nbuckets) * sizeof (Elf32_Word))); - return; -@@ -2707,8 +2755,9 @@ section [%2d] '%s' refers in sh_link to - - /* The number of elements in the version symbol table must be the - same as the number of symbols. */ -- 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/src/readelf.c -+++ elfutils/src/readelf.c -@@ -1178,6 +1178,8 @@ handle_scngrp (Ebl *ebl, Elf_Scn *scn, G - Elf32_Word *grpref = (Elf32_Word *) data->d_buf; - - GElf_Sym sym_mem; -+ GElf_Sym *sym = gelf_getsym (symdata, shdr->sh_info, &sym_mem); -+ - printf ((grpref[0] & GRP_COMDAT) - ? ngettext ("\ - \nCOMDAT section group [%2zu] '%s' with signature '%s' contains %zu entry:\n", -@@ -1190,8 +1192,8 @@ handle_scngrp (Ebl *ebl, Elf_Scn *scn, G - data->d_size / sizeof (Elf32_Word) - 1), - elf_ndxscn (scn), - elf_strptr (ebl->elf, shstrndx, shdr->sh_name), -- elf_strptr (ebl->elf, symshdr->sh_link, -- gelf_getsym (symdata, shdr->sh_info, &sym_mem)->st_name) -+ (sym == NULL ? NULL -+ : elf_strptr (ebl->elf, symshdr->sh_link, sym->st_name)) - ?: gettext (""), - data->d_size / sizeof (Elf32_Word) - 1); - -@@ -1342,7 +1344,8 @@ static void - handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr) - { - int class = gelf_getclass (ebl->elf); -- GElf_Shdr glink; -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink; - Elf_Data *data; - size_t cnt; - size_t shstrndx; -@@ -1357,6 +1360,11 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, - error (EXIT_FAILURE, 0, - gettext ("cannot get section header string table index")); - -+ glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), &glink_mem); -+ if (glink == NULL) -+ error (EXIT_FAILURE, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ - printf (ngettext ("\ - \nDynamic segment contains %lu entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", - "\ -@@ -1366,9 +1374,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, - class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, - shdr->sh_offset, - (int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - fputs_unlocked (gettext (" Type Value\n"), stdout); - - for (cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) -@@ -1951,6 +1957,13 @@ handle_symtab (Ebl *ebl, Elf_Scn *scn, G - error (EXIT_FAILURE, 0, - gettext ("cannot get section header string table index")); - -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -+ &glink_mem); -+ if (glink == NULL) -+ error (EXIT_FAILURE, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ - /* Now we can compute the number of entries in the section. */ - unsigned int nsyms = data->d_size / (class == ELFCLASS32 - ? sizeof (Elf32_Sym) -@@ -1961,15 +1974,12 @@ handle_symtab (Ebl *ebl, Elf_Scn *scn, G - nsyms), - (unsigned int) elf_ndxscn (scn), - elf_strptr (ebl->elf, shstrndx, shdr->sh_name), nsyms); -- GElf_Shdr glink; - printf (ngettext (" %lu local symbol String table: [%2u] '%s'\n", - " %lu local symbols String table: [%2u] '%s'\n", - shdr->sh_info), - (unsigned long int) shdr->sh_info, - (unsigned int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - - fputs_unlocked (class == ELFCLASS32 - ? gettext ("\ -@@ -2205,7 +2215,13 @@ handle_verneed (Ebl *ebl, Elf_Scn *scn, - error (EXIT_FAILURE, 0, - gettext ("cannot get section header string table index")); - -- GElf_Shdr glink; -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -+ &glink_mem); -+ if (glink == NULL) -+ error (EXIT_FAILURE, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ - printf (ngettext ("\ - \nVersion needs section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", - "\ -@@ -2216,9 +2232,7 @@ handle_verneed (Ebl *ebl, Elf_Scn *scn, - class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, - shdr->sh_offset, - (unsigned int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - - unsigned int offset = 0; - for (int cnt = shdr->sh_info; --cnt >= 0; ) -@@ -2271,8 +2285,14 @@ handle_verdef (Ebl *ebl, Elf_Scn *scn, G - error (EXIT_FAILURE, 0, - gettext ("cannot get section header string table index")); - -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -+ &glink_mem); -+ if (glink == NULL) -+ error (EXIT_FAILURE, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ - int class = gelf_getclass (ebl->elf); -- GElf_Shdr glink; - printf (ngettext ("\ - \nVersion definition section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", - "\ -@@ -2284,9 +2304,7 @@ handle_verdef (Ebl *ebl, Elf_Scn *scn, G - class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, - shdr->sh_offset, - (unsigned int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - - unsigned int offset = 0; - for (int cnt = shdr->sh_info; --cnt >= 0; ) -@@ -2548,8 +2566,14 @@ handle_versym (Ebl *ebl, Elf_Scn *scn, G - filename = NULL; - } - -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -+ &glink_mem); -+ if (glink == NULL) -+ error (EXIT_FAILURE, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ - /* Print the header. */ -- GElf_Shdr glink; - printf (ngettext ("\ - \nVersion symbols section [%2u] '%s' contains %d entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'", - "\ -@@ -2561,9 +2585,7 @@ handle_versym (Ebl *ebl, Elf_Scn *scn, G - class == ELFCLASS32 ? 10 : 18, shdr->sh_addr, - shdr->sh_offset, - (unsigned int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - - /* Now we can finally look at the actual contents of this section. */ - for (unsigned int cnt = 0; cnt < shdr->sh_size / shdr->sh_entsize; ++cnt) -@@ -2615,7 +2637,17 @@ print_hash_info (Ebl *ebl, Elf_Scn *scn, - for (Elf32_Word cnt = 0; cnt < nbucket; ++cnt) - ++counts[lengths[cnt]]; - -- GElf_Shdr glink; -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink = gelf_getshdr (elf_getscn (ebl->elf, -+ shdr->sh_link), -+ &glink_mem); -+ if (glink == NULL) -+ { -+ error (0, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ return; -+ } -+ - printf (ngettext ("\ - \nHistogram for bucket list length in section [%2u] '%s' (total of %d bucket):\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 " Link to section: [%2u] '%s'\n", - "\ -@@ -2628,9 +2660,7 @@ print_hash_info (Ebl *ebl, Elf_Scn *scn, - shdr->sh_addr, - shdr->sh_offset, - (unsigned int) shdr->sh_link, -- elf_strptr (ebl->elf, shstrndx, -- gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), -- &glink)->sh_name)); -+ elf_strptr (ebl->elf, shstrndx, glink->sh_name)); - - if (extrastr != NULL) - fputs (extrastr, stdout); -@@ -4486,6 +4516,16 @@ print_debug_aranges_section (Dwfl_Module - return; - } - -+ GElf_Shdr glink_mem; -+ GElf_Shdr *glink; -+ glink = gelf_getshdr (elf_getscn (ebl->elf, shdr->sh_link), &glink_mem); -+ if (glink == NULL) -+ { -+ error (0, 0, gettext ("invalid sh_link value in section %Zu"), -+ elf_ndxscn (scn)); -+ return; -+ } -+ - printf (ngettext ("\ - \nDWARF section [%2zu] '%s' at offset %#" PRIx64 " contains %zu entry:\n", - "\ ---- elfutils/src/strip.c -+++ elfutils/src/strip.c -@@ -555,6 +555,11 @@ handle_elf (int fd, Elf *elf, const char - goto fail_close; - } - -+ if (shstrndx >= shnum) -+ goto illformed; -+ -+#define elf_assert(test) do { if (!(test)) goto illformed; } while (0) -+ - /* Storage for section information. We leave room for two more - entries since we unconditionally create a section header string - table. Maybe some weird tool created an ELF file without one. -@@ -576,7 +581,7 @@ handle_elf (int fd, Elf *elf, const char - { - /* This should always be true (i.e., there should not be any - holes in the numbering). */ -- assert (elf_ndxscn (scn) == cnt); -+ elf_assert (elf_ndxscn (scn) == cnt); - - shdr_info[cnt].scn = scn; - -@@ -589,6 +594,7 @@ handle_elf (int fd, Elf *elf, const char - shdr_info[cnt].shdr.sh_name); - if (shdr_info[cnt].name == NULL) - { -+ illformed: - error (0, 0, gettext ("illformed file '%s'"), fname); - goto fail_close; - } -@@ -598,6 +604,8 @@ handle_elf (int fd, Elf *elf, const char - - /* Remember the shdr.sh_link value. */ - shdr_info[cnt].old_sh_link = shdr_info[cnt].shdr.sh_link; -+ if (shdr_info[cnt].old_sh_link >= shnum) -+ goto illformed; - - /* Sections in files other than relocatable object files which - are not loaded can be freely moved by us. In relocatable -@@ -610,7 +618,7 @@ handle_elf (int fd, Elf *elf, const char - appropriate reference. */ - if (unlikely (shdr_info[cnt].shdr.sh_type == SHT_SYMTAB_SHNDX)) - { -- assert (shdr_info[shdr_info[cnt].shdr.sh_link].symtab_idx == 0); -+ elf_assert (shdr_info[shdr_info[cnt].shdr.sh_link].symtab_idx == 0); - shdr_info[shdr_info[cnt].shdr.sh_link].symtab_idx = cnt; - } - else if (unlikely (shdr_info[cnt].shdr.sh_type == SHT_GROUP)) -@@ -627,7 +635,12 @@ handle_elf (int fd, Elf *elf, const char - for (inner = 1; - inner < shdr_info[cnt].data->d_size / sizeof (Elf32_Word); - ++inner) -+ { -+ if (grpref[inner] < shnum) - shdr_info[grpref[inner]].group_idx = cnt; -+ else -+ goto illformed; -+ } - - if (inner == 1 || (inner == 2 && (grpref[0] & GRP_COMDAT) == 0)) - /* If the section group contains only one element and this -@@ -638,7 +651,7 @@ handle_elf (int fd, Elf *elf, const char - } - else if (unlikely (shdr_info[cnt].shdr.sh_type == SHT_GNU_versym)) - { -- assert (shdr_info[shdr_info[cnt].shdr.sh_link].version_idx == 0); -+ elf_assert (shdr_info[shdr_info[cnt].shdr.sh_link].version_idx == 0); - shdr_info[shdr_info[cnt].shdr.sh_link].version_idx = cnt; - } - -@@ -646,7 +659,7 @@ handle_elf (int fd, Elf *elf, const char - discarded right away. */ - if ((shdr_info[cnt].shdr.sh_flags & SHF_GROUP) != 0) - { -- assert (shdr_info[cnt].group_idx != 0); -+ elf_assert (shdr_info[cnt].group_idx != 0); - - if (shdr_info[shdr_info[cnt].group_idx].idx == 0) - { -@@ -722,11 +735,15 @@ handle_elf (int fd, Elf *elf, const char - { - /* If a relocation section is marked as being removed make - sure the section it is relocating is removed, too. */ -- if ((shdr_info[cnt].shdr.sh_type == SHT_REL -+ if (shdr_info[cnt].shdr.sh_type == SHT_REL - || shdr_info[cnt].shdr.sh_type == SHT_RELA) -- && shdr_info[shdr_info[cnt].shdr.sh_info].idx != 0) -+ { -+ if (shdr_info[cnt].shdr.sh_info >= shnum) -+ goto illformed; -+ else if (shdr_info[shdr_info[cnt].shdr.sh_info].idx != 0) - shdr_info[cnt].idx = 1; - } -+ } - - if (shdr_info[cnt].idx == 1) - { -@@ -753,7 +770,7 @@ handle_elf (int fd, Elf *elf, const char - if (shdr_info[cnt].symtab_idx != 0 - && shdr_info[shdr_info[cnt].symtab_idx].data == NULL) - { -- assert (shdr_info[cnt].shdr.sh_type == SHT_SYMTAB); -+ elf_assert (shdr_info[cnt].shdr.sh_type == SHT_SYMTAB); - - shdr_info[shdr_info[cnt].symtab_idx].data - = elf_getdata (shdr_info[shdr_info[cnt].symtab_idx].scn, -@@ -793,6 +810,9 @@ handle_elf (int fd, Elf *elf, const char - else if (scnidx == SHN_XINDEX) - scnidx = xndx; - -+ if (scnidx >= shnum) -+ goto illformed; -+ - if (shdr_info[scnidx].idx == 0) - /* This symbol table has a real symbol in - a discarded section. So preserve the -@@ -823,12 +843,16 @@ handle_elf (int fd, Elf *elf, const char - } - - /* Handle references through sh_info. */ -- if (SH_INFO_LINK_P (&shdr_info[cnt].shdr) -- && shdr_info[shdr_info[cnt].shdr.sh_info].idx == 0) -+ if (SH_INFO_LINK_P (&shdr_info[cnt].shdr)) -+ { -+ if (shdr_info[cnt].shdr.sh_info >= shnum) -+ goto illformed; -+ else if ( shdr_info[shdr_info[cnt].shdr.sh_info].idx == 0) - { - shdr_info[shdr_info[cnt].shdr.sh_info].idx = 1; - changes |= shdr_info[cnt].shdr.sh_info < cnt; - } -+ } - - /* Mark the section as investigated. */ - shdr_info[cnt].idx = 2; -@@ -967,7 +991,7 @@ handle_elf (int fd, Elf *elf, const char - error (EXIT_FAILURE, 0, gettext ("while generating output file: %s"), - elf_errmsg (-1)); - -- assert (elf_ndxscn (shdr_info[cnt].newscn) == shdr_info[cnt].idx); -+ elf_assert (elf_ndxscn (shdr_info[cnt].newscn) == shdr_info[cnt].idx); - - /* Add this name to the section header string table. */ - shdr_info[cnt].se = ebl_strtabadd (shst, shdr_info[cnt].name, 0); -@@ -1004,7 +1028,7 @@ handle_elf (int fd, Elf *elf, const char - error (EXIT_FAILURE, 0, - gettext ("while create section header section: %s"), - elf_errmsg (-1)); -- assert (elf_ndxscn (shdr_info[cnt].newscn) == shdr_info[cnt].idx); -+ elf_assert (elf_ndxscn (shdr_info[cnt].newscn) == shdr_info[cnt].idx); - - shdr_info[cnt].data = elf_newdata (shdr_info[cnt].newscn); - if (shdr_info[cnt].data == NULL) -@@ -1060,7 +1084,7 @@ handle_elf (int fd, Elf *elf, const char - error (EXIT_FAILURE, 0, - gettext ("while create section header section: %s"), - elf_errmsg (-1)); -- assert (elf_ndxscn (shdr_info[cnt].newscn) == idx); -+ elf_assert (elf_ndxscn (shdr_info[cnt].newscn) == idx); - - /* Finalize the string table and fill in the correct indices in the - section headers. */ -@@ -1150,20 +1174,20 @@ handle_elf (int fd, Elf *elf, const char - shndxdata = elf_getdata (shdr_info[shdr_info[cnt].symtab_idx].scn, - NULL); - -- assert ((versiondata->d_size / sizeof (Elf32_Word)) -+ elf_assert ((versiondata->d_size / sizeof (Elf32_Word)) - >= shdr_info[cnt].data->d_size / elsize); - } - - if (shdr_info[cnt].version_idx != 0) - { -- assert (shdr_info[cnt].shdr.sh_type == SHT_DYNSYM); -+ elf_assert (shdr_info[cnt].shdr.sh_type == SHT_DYNSYM); - /* This section has associated version - information. We have to modify that - information, too. */ - versiondata = elf_getdata (shdr_info[shdr_info[cnt].version_idx].scn, - NULL); - -- assert ((versiondata->d_size / sizeof (GElf_Versym)) -+ elf_assert ((versiondata->d_size / sizeof (GElf_Versym)) - >= shdr_info[cnt].data->d_size / elsize); - } - -@@ -1218,7 +1242,7 @@ handle_elf (int fd, Elf *elf, const char - sec = shdr_info[sym->st_shndx].idx; - else - { -- assert (shndxdata != NULL); -+ elf_assert (shndxdata != NULL); - - sec = shdr_info[xshndx].idx; - } -@@ -1239,7 +1263,7 @@ handle_elf (int fd, Elf *elf, const char - nxshndx = sec; - } - -- assert (sec < SHN_LORESERVE || shndxdata != NULL); -+ elf_assert (sec < SHN_LORESERVE || shndxdata != NULL); - - if ((inner != destidx || nshndx != sym->st_shndx - || (shndxdata != NULL && nxshndx != xshndx)) -@@ -1263,7 +1287,7 @@ handle_elf (int fd, Elf *elf, const char - || shdr_info[cnt].debug_data == NULL) - /* This is a section symbol for a section which has - been removed. */ -- assert (GELF_ST_TYPE (sym->st_info) == STT_SECTION); -+ elf_assert (GELF_ST_TYPE (sym->st_info) == STT_SECTION); - } - - if (destidx != inner) -@@ -1450,11 +1474,11 @@ handle_elf (int fd, Elf *elf, const char - { - GElf_Sym sym_mem; - GElf_Sym *sym = gelf_getsym (symd, inner, &sym_mem); -- assert (sym != NULL); -+ elf_assert (sym != NULL); - - const char *name = elf_strptr (elf, strshndx, - sym->st_name); -- assert (name != NULL); -+ elf_assert (name != NULL); - size_t hidx = elf_hash (name) % nbucket; - - if (bucket[hidx] == 0) -@@ -1473,7 +1497,7 @@ handle_elf (int fd, Elf *elf, const char - else - { - /* Alpha and S390 64-bit use 64-bit SHT_HASH entries. */ -- assert (shdr_info[cnt].shdr.sh_entsize -+ elf_assert (shdr_info[cnt].shdr.sh_entsize - == sizeof (Elf64_Xword)); - - Elf64_Xword *bucket = (Elf64_Xword *) hashd->d_buf; -@@ -1504,11 +1528,11 @@ handle_elf (int fd, Elf *elf, const char - { - GElf_Sym sym_mem; - GElf_Sym *sym = gelf_getsym (symd, inner, &sym_mem); -- assert (sym != NULL); -+ elf_assert (sym != NULL); - - const char *name = elf_strptr (elf, strshndx, - sym->st_name); -- assert (name != NULL); -+ elf_assert (name != NULL); - size_t hidx = elf_hash (name) % nbucket; - - if (bucket[hidx] == 0)