[v2] x86/disasm: do not use format string without format specifiers
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Commit Message
Fixes build failure with -Werror=format-security on i686.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=34168
Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
---
v2: Update commit message to reference Bugzilla
opcodes/i386-dis.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Comments
On Sun, May 24, 2026 at 11:06 AM Will Hawkins <hawkinsw@obs.cr> wrote:
>
> Fixes build failure with -Werror=format-security on i686.
Drop on i686. It should fail with -Werror=format-security on all platforms.
> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=34168
I don't know if this commit log will show up in the but report. Please
mention this fixes PR binutils/34168.
> Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
> ---
> v2: Update commit message to reference Bugzilla
>
> opcodes/i386-dis.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
> index 1faf1fa7785..db1e4f7a7d5 100644
> --- a/opcodes/i386-dis.c
> +++ b/opcodes/i386-dis.c
> @@ -10375,7 +10375,7 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
> for (i = 0; i < MAX_OPERANDS; i++)
> if (ins.op_index[i] != -1 && ins.op_riprel[i])
> {
> - i386_dis_printf (info, dis_style_comment_start, sep);
> + i386_dis_printf (info, dis_style_comment_start, "%s", sep);
> sep = ", ";
> (*info->print_address_func)
> ((bfd_vma)(ins.start_pc + (ins.codep - ins.start_codep)
> @@ -10384,11 +10384,11 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
> }
> else if (*ins.cm_out[i])
> {
> - i386_dis_printf (info, dis_style_comment_start, sep);
> + i386_dis_printf (info, dis_style_comment_start, "%s", sep);
> sep = ", ";
> i386_dis_printf (info, dis_style_symbol, "%s", ins.cm_out[i]);
> }
> -
> +
Please rebase. This one isn't needed anymore.
> ret = ins.codep - priv.the_buffer;
> out:
> info->private_data = NULL;
> --
> 2.49.0
>
On Sat, May 23, 2026 at 11:58 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Sun, May 24, 2026 at 11:06 AM Will Hawkins <hawkinsw@obs.cr> wrote:
> >
> > Fixes build failure with -Werror=format-security on i686.
>
> Drop on i686. It should fail with -Werror=format-security on all platforms.
>
Agree and will do!
> > Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=34168
>
> I don't know if this commit log will show up in the but report. Please
> mention this fixes PR binutils/34168.
Okay! I was just following previous examples and thought I was doing
the right thing. Sorry!
Will
>
> > Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
> > ---
> > v2: Update commit message to reference Bugzilla
> >
> > opcodes/i386-dis.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
> > index 1faf1fa7785..db1e4f7a7d5 100644
> > --- a/opcodes/i386-dis.c
> > +++ b/opcodes/i386-dis.c
> > @@ -10375,7 +10375,7 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
> > for (i = 0; i < MAX_OPERANDS; i++)
> > if (ins.op_index[i] != -1 && ins.op_riprel[i])
> > {
> > - i386_dis_printf (info, dis_style_comment_start, sep);
> > + i386_dis_printf (info, dis_style_comment_start, "%s", sep);
> > sep = ", ";
> > (*info->print_address_func)
> > ((bfd_vma)(ins.start_pc + (ins.codep - ins.start_codep)
> > @@ -10384,11 +10384,11 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
> > }
> > else if (*ins.cm_out[i])
> > {
> > - i386_dis_printf (info, dis_style_comment_start, sep);
> > + i386_dis_printf (info, dis_style_comment_start, "%s", sep);
> > sep = ", ";
> > i386_dis_printf (info, dis_style_symbol, "%s", ins.cm_out[i]);
> > }
> > -
> > +
>
> Please rebase. This one isn't needed anymore.
>
> > ret = ins.codep - priv.the_buffer;
> > out:
> > info->private_data = NULL;
> > --
> > 2.49.0
> >
>
>
> --
> H.J.
@@ -10375,7 +10375,7 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
for (i = 0; i < MAX_OPERANDS; i++)
if (ins.op_index[i] != -1 && ins.op_riprel[i])
{
- i386_dis_printf (info, dis_style_comment_start, sep);
+ i386_dis_printf (info, dis_style_comment_start, "%s", sep);
sep = ", ";
(*info->print_address_func)
((bfd_vma)(ins.start_pc + (ins.codep - ins.start_codep)
@@ -10384,11 +10384,11 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
}
else if (*ins.cm_out[i])
{
- i386_dis_printf (info, dis_style_comment_start, sep);
+ i386_dis_printf (info, dis_style_comment_start, "%s", sep);
sep = ", ";
i386_dis_printf (info, dis_style_symbol, "%s", ins.cm_out[i]);
}
-
+
ret = ins.codep - priv.the_buffer;
out:
info->private_data = NULL;