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| author | Alan Modra <amodra@gmail.com> | 2020-03-11 14:43:16 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-03-11 15:01:15 +1030 |
| commit | 435edf0bf231240ccecb474b74ebb49dc8db2633 (patch) | |
| tree | ac88e0fdc137f1f8f617508f7f79ada0a6ebe57c | |
| parent | 9cc89dc0acc140cb27e21d2597af42d36444673b (diff) | |
| download | gdb-435edf0bf231240ccecb474b74ebb49dc8db2633.zip gdb-435edf0bf231240ccecb474b74ebb49dc8db2633.tar.gz gdb-435edf0bf231240ccecb474b74ebb49dc8db2633.tar.bz2 | |
powerpc64-ld infinite loop
If this code dealing with possible conversion of inline plt sequences
is ever executed, ld will hang. A binary with such sequences and of
code size larger than approximately 90% the reach of an unconditional
branch is the trigger. Oops.
* elf64-ppc.c (ppc64_elf_inline_plt): Do increment rel in for loop.
| -rw-r--r-- | bfd/ChangeLog | 4 | ||||
| -rw-r--r-- | bfd/elf64-ppc.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 67858c7..c60fe8c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,7 @@ +2020-03-11 Alan Modra <amodra@gmail.com> + + * elf64-ppc.c (ppc64_elf_inline_plt): Do increment rel in for loop. + 2020-03-10 Alan Modra <amodra@gmail.com> PR 25648 diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 05ef34b..c804ab3 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -7621,7 +7621,7 @@ ppc64_elf_inline_plt (struct bfd_link_info *info) return FALSE; relend = relstart + sec->reloc_count; - for (rel = relstart; rel < relend; ) + for (rel = relstart; rel < relend; rel++) { enum elf_ppc64_reloc_type r_type; unsigned long r_symndx; |