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| author | Nick Clifton <nickc@redhat.com> | 2023-10-09 16:53:27 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2023-10-09 16:53:27 +0100 |
| commit | cb0f1baf44a4de4506283502df68cad3b7780e1d (patch) | |
| tree | d81c340e3d7e469aa6800269e61f0c9da9e3dfed | |
| parent | e7c3fa04b6c54aae88675a7dcd9c76b322ec2171 (diff) | |
| download | gdb-cb0f1baf44a4de4506283502df68cad3b7780e1d.zip gdb-cb0f1baf44a4de4506283502df68cad3b7780e1d.tar.gz gdb-cb0f1baf44a4de4506283502df68cad3b7780e1d.tar.bz2 | |
Fix: Null pointer dereference in elf32-i386.c
PR 30950
* elf32-i386.c (elf_i386_convert_load_reloc): Check for elf_x86_hash_table returning a NULL pointer.
| -rw-r--r-- | bfd/ChangeLog | 4 | ||||
| -rw-r--r-- | bfd/elf32-i386.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index da28772..2731d85 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,9 @@ 2023-10-09 Nick Clifton <nickc@redhat.com> + PR 30950 + * elf32-i386.c (elf_i386_convert_load_reloc): Check for + elf_x86_hash_table returning a NULL pointer. + PR 30949 * elflink.c (elf_gc_mark_debug_section): Check for bfd_section_from_elf_index returning a NULL pointer. diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 7e6823b..abfba40 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -1241,6 +1241,12 @@ elf_i386_convert_load_reloc (bfd *abfd, Elf_Internal_Shdr *symtab_hdr, return true; htab = elf_x86_hash_table (link_info, I386_ELF_DATA); + if (htab == NULL || ! is_x86_elf (abfd, htab)) + { + bfd_set_error (bfd_error_wrong_format); + return false; + } + is_pic = bfd_link_pic (link_info); r_type = *r_type_p; |