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author | Alan Modra <amodra@gmail.com> | 2022-07-29 16:52:52 +0930 |
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committer | Alan Modra <amodra@gmail.com> | 2022-07-29 17:25:35 +0930 |
commit | b875e9c93df9f30efb34a75b9379490c03ec4d4b (patch) | |
tree | 3815a8b332ff0225b2627dbca78ebafc3b4e7faf /bfd/elf32-avr.c | |
parent | e4e1fcce52befa56718bea6ae519d1b762b5cd67 (diff) | |
download | gdb-b875e9c93df9f30efb34a75b9379490c03ec4d4b.zip gdb-b875e9c93df9f30efb34a75b9379490c03ec4d4b.tar.gz gdb-b875e9c93df9f30efb34a75b9379490c03ec4d4b.tar.bz2 |
PR16005, avr linker crash on a particular instruction sequence with --relax
It's possible for relax_delete_bytes to be called with section
contents NULL, as demonstrated by the testcase in this PR.
PR 16005
* elf32-avr.c (elf32_avr_relax_delete_bytes): Get section contents
if not already available.
Diffstat (limited to 'bfd/elf32-avr.c')
-rw-r--r-- | bfd/elf32-avr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bfd/elf32-avr.c b/bfd/elf32-avr.c index 48591b8..3a1d238 100644 --- a/bfd/elf32-avr.c +++ b/bfd/elf32-avr.c @@ -1927,6 +1927,9 @@ elf32_avr_relax_delete_bytes (bfd *abfd, symtab_hdr = &elf_tdata (abfd)->symtab_hdr; sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); contents = elf_section_data (sec)->this_hdr.contents; + if (contents == NULL + && !bfd_malloc_and_get_section (abfd, sec, &contents)) + return false; relax_info = get_avr_relax_info (sec); toaddr = sec->size; |