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| author | Alan Modra <amodra@gmail.com> | 2021-06-19 10:25:35 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2021-06-19 11:08:56 +0930 |
| commit | 47399e9c455b0a634e4c3597c8d9a292cc4b1b0c (patch) | |
| tree | def9d106bf045cd945c8cea5ba82828144d24bce | |
| parent | 03e689aaac95da0b22f7689a2c307e8ddd99ae2c (diff) | |
| download | gdb-47399e9c455b0a634e4c3597c8d9a292cc4b1b0c.zip gdb-47399e9c455b0a634e4c3597c8d9a292cc4b1b0c.tar.gz gdb-47399e9c455b0a634e4c3597c8d9a292cc4b1b0c.tar.bz2 | |
ubsan: vax: pointer overflow
"VAX export class call relocation test" fails with ubsan on a 32-bit
host.
* vax-dis.c (print_insn_vax): Avoid pointer overflow.
| -rw-r--r-- | opcodes/ChangeLog | 4 | ||||
| -rw-r--r-- | opcodes/vax-dis.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index f262529..035182c 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,9 @@ 2021-06-19 Alan Modra <amodra@gmail.com> + * vax-dis.c (print_insn_vax): Avoid pointer overflow. + +2021-06-19 Alan Modra <amodra@gmail.com> + * tic30-dis.c (get_register_operand): Don't ask strncpy to fill entire buffer. diff --git a/opcodes/vax-dis.c b/opcodes/vax-dis.c index e218d49..ed4610b 100644 --- a/opcodes/vax-dis.c +++ b/opcodes/vax-dis.c @@ -490,7 +490,7 @@ print_insn_vax (bfd_vma memaddr, disassemble_info *info) while (*argp) { - arg += print_insn_arg (argp, arg, memaddr + arg - buffer, info); + arg += print_insn_arg (argp, arg, memaddr + (arg - buffer), info); argp += 2; if (*argp) (*info->fprintf_func) (info->stream, ","); |