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| author | Nick Clifton <nickc@redhat.com> | 2021-09-06 12:24:49 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2021-09-06 12:25:20 +0100 |
| commit | 804439b4d7a83d4db8adcb816d8ee8e04a06b33c (patch) | |
| tree | dd2b701d9b9950ac1cbda06e23ce8f7b4507c38c /bfd | |
| parent | 1bced5243e82e7a30f415a999c136997d7a79934 (diff) | |
| download | gdb-804439b4d7a83d4db8adcb816d8ee8e04a06b33c.zip gdb-804439b4d7a83d4db8adcb816d8ee8e04a06b33c.tar.gz gdb-804439b4d7a83d4db8adcb816d8ee8e04a06b33c.tar.bz2 | |
Fix an illegal memory access triggered by disassembling corrupt s390x binaries.
PR 28304
* elfxx-score7.c (score_elf_gprel15_reloc): If there is no output bfd
treat the reloc as undefined.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/elf32-score7.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/bfd/elf32-score7.c b/bfd/elf32-score7.c index a6960c0..43cf5cb 100644 --- a/bfd/elf32-score7.c +++ b/bfd/elf32-score7.c @@ -441,6 +441,8 @@ score_elf_gprel15_reloc (bfd *abfd, { relocateable = false; output_bfd = symbol->section->output_section->owner; + if (output_bfd == NULL) + return bfd_reloc_undefined; } ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp); @@ -448,7 +450,7 @@ score_elf_gprel15_reloc (bfd *abfd, return ret; return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry, - input_section, relocateable, data, gp); + input_section, relocateable, data, gp); } /* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must |