34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
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commit a42a0991797ab10c04bbcdf7cc2846c5da5bbd25
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Author: Jan Blunck <jblunck@suse.de>
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Date: Mon Sep 21 17:57:02 2009 +0200
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Fix crash in map_seach_ehdr()
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When searching for the ELF header check if libelf returned a valid pointer
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before referencing it.
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https://crashdb.opensuse.org/log/show/b75d1730f4c944b092afd8f302fe76b7
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Signed-off-by: Jan Blunck <jblunck@suse.de>
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---
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src/pbuildid.c | 5 +++++
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1 file changed, 5 insertions(+)
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Index: b/src/pbuildid.c
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===================================================================
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--- a/src/pbuildid.c
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+++ b/src/pbuildid.c
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@@ -467,6 +467,11 @@ static Elf *map_search_ehdr(struct core_
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/* Look for ELF header in this LOAD segment */
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data = elf_getdata_rawchunk (map->elf, map->p_offset,
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map->p_filesz, ELF_T_EHDR);
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+ if (!data) {
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+ fprintf(stderr, "Couldn't read LOAD segment: %s\n",
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+ elf_errmsg(-1));
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+ return NULL;
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+ }
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e_ident = (unsigned char *)data->d_buf;
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if (memcmp (e_ident, ELFMAG, SELFMAG) != 0
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|| e_ident[EI_CLASS] <= ELFCLASSNONE
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