diff mbox series

[v7,4/4] elf: Add a test for PT_LOAD segments with invalid p_align [BZ #28688]

Message ID 20220103230433.1907240-5-hjl.tools@gmail.com
State Superseded
Delegated to: Adhemerval Zanella Netto
Headers
Series Properly align all PT_LOAD segments with tests |

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent
dj/TryBot-32bit success Build for i686

Commit Message

H.J. Lu Jan. 3, 2022, 11:04 p.m. UTC 
  Build tst-p_alignmod3.so with 256 byte page size and verify that it is
rejected with a proper error message.
---
 elf/Makefile          | 11 +++++++++++
 elf/tst-p_align3.c    | 27 +++++++++++++++++++++++++++
 elf/tst-p_align3.sh   | 26 ++++++++++++++++++++++++++
 elf/tst-p_alignmod3.c | 22 ++++++++++++++++++++++
 4 files changed, 86 insertions(+)
 create mode 100644 elf/tst-p_align3.c
 create mode 100755 elf/tst-p_align3.sh
 create mode 100644 elf/tst-p_alignmod3.c

Comments

Adhemerval Zanella Netto Jan. 18, 2022, 6:05 p.m. UTC | #1 
On 03/01/2022 20:04, H.J. Lu wrote:
> Build tst-p_alignmod3.so with 256 byte page size and verify that it is
> rejected with a proper error message.
> ---
>  elf/Makefile          | 11 +++++++++++
>  elf/tst-p_align3.c    | 27 +++++++++++++++++++++++++++
>  elf/tst-p_align3.sh   | 26 ++++++++++++++++++++++++++
>  elf/tst-p_alignmod3.c | 22 ++++++++++++++++++++++
>  4 files changed, 86 insertions(+)
>  create mode 100644 elf/tst-p_align3.c
>  create mode 100755 elf/tst-p_align3.sh
>  create mode 100644 elf/tst-p_alignmod3.c
> 
> diff --git a/elf/Makefile b/elf/Makefile
> index e4be3fa518..eca730ae8f 100644
> --- a/elf/Makefile
> +++ b/elf/Makefile
> @@ -409,6 +409,10 @@ tests += \
>    tst-p_alignmod2-edit \
>    tst-p_align1 \
>    tst-p_align2 \
> +  tst-p_align3 \
> +
> +modules-names += \
> +  tst-p_alignmod3 \
>  
>  endif
>  
> @@ -2110,3 +2114,10 @@ $(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
>  	cp $(objpfx)tst-alignmod3.so $@
>  	$(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
>  	  $(objpfx)tst-p_alignmod2-edit $@
> +
> +LDFLAGS-tst-p_alignmod3.so += -Wl,-z,max-page-size=0x100,-z,common-page-size=0x100
> +
> +$(objpfx)tst-p_align3: $(objpfx)tst-p_alignmod3.so
> +$(objpfx)tst-p_align3.out: tst-p_align3.sh $(objpfx)tst-p_align3
> +	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
> +	$(evaluate-test)
> diff --git a/elf/tst-p_align3.c b/elf/tst-p_align3.c
> new file mode 100644
> index 0000000000..61c616ac3b
> --- /dev/null
> +++ b/elf/tst-p_align3.c
> @@ -0,0 +1,27 @@
> +/* Check invalid p_align of PT_LOAD segments in a shared library.
> +   Copyright (C) 2021 Free Software Foundation, Inc.

Update Copyright years.

> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +extern int do_load_test (void);

As before, do_load_test returns void.

> +
> +static int
> +do_test (void)
> +{
> +  return do_load_test ();
> +}
> +
> +#include <support/test-driver.c>
> diff --git a/elf/tst-p_align3.sh b/elf/tst-p_align3.sh
> new file mode 100755
> index 0000000000..11572aa217
> --- /dev/null
> +++ b/elf/tst-p_align3.sh
> @@ -0,0 +1,26 @@
> +#!/bin/sh
> +# Check invalid p_align of PT_LOAD segments in a shared library.
> +# Copyright (C) 2021 Free Software Foundation, Inc.

Update Copyright years.

> +# This file is part of the GNU C Library.
> +
> +# The GNU C Library is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU Lesser General Public
> +# License as published by the Free Software Foundation; either
> +# version 2.1 of the License, or (at your option) any later version.
> +
> +# The GNU C Library is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +# Lesser General Public License for more details.
> +
> +# You should have received a copy of the GNU Lesser General Public
> +# License along with the GNU C Library; if not, see
> +# <https://www.gnu.org/licenses/>.
> +
> +common_objpfx=$1; shift
> +test_program_prefix=$1; shift
> +
> +${test_program_prefix} \
> +  ${common_objpfx}elf/tst-p_align3 \
> +    2> ${common_objpfx}elf/tst-p_align3.out && exit 1

I think we should test for command exit output:

  test $? -ne 127 && exit 1

> +grep "ELF load command address/offset not page-aligned" ${common_objpfx}elf/tst-p_align3.out
> diff --git a/elf/tst-p_alignmod3.c b/elf/tst-p_alignmod3.c
> new file mode 100644
> index 0000000000..90f3af467e
> --- /dev/null
> +++ b/elf/tst-p_alignmod3.c
> @@ -0,0 +1,22 @@
> +/* Check invalid p_align of PT_LOAD segment in a shared library.
> +   Copyright (C) 2021 Free Software Foundation, Inc.


Update Copyright years.

> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +void
> +do_load_test (void)
> +{
> +}
H.J. Lu Jan. 18, 2022, 9:50 p.m. UTC | #2 
On Tue, Jan 18, 2022 at 10:05 AM Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:
>
>
>
> On 03/01/2022 20:04, H.J. Lu wrote:
> > Build tst-p_alignmod3.so with 256 byte page size and verify that it is
> > rejected with a proper error message.
> > ---
> >  elf/Makefile          | 11 +++++++++++
> >  elf/tst-p_align3.c    | 27 +++++++++++++++++++++++++++
> >  elf/tst-p_align3.sh   | 26 ++++++++++++++++++++++++++
> >  elf/tst-p_alignmod3.c | 22 ++++++++++++++++++++++
> >  4 files changed, 86 insertions(+)
> >  create mode 100644 elf/tst-p_align3.c
> >  create mode 100755 elf/tst-p_align3.sh
> >  create mode 100644 elf/tst-p_alignmod3.c
> >
> > diff --git a/elf/Makefile b/elf/Makefile
> > index e4be3fa518..eca730ae8f 100644
> > --- a/elf/Makefile
> > +++ b/elf/Makefile
> > @@ -409,6 +409,10 @@ tests += \
> >    tst-p_alignmod2-edit \
> >    tst-p_align1 \
> >    tst-p_align2 \
> > +  tst-p_align3 \
> > +
> > +modules-names += \
> > +  tst-p_alignmod3 \
> >
> >  endif
> >
> > @@ -2110,3 +2114,10 @@ $(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
> >       cp $(objpfx)tst-alignmod3.so $@
> >       $(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
> >         $(objpfx)tst-p_alignmod2-edit $@
> > +
> > +LDFLAGS-tst-p_alignmod3.so += -Wl,-z,max-page-size=0x100,-z,common-page-size=0x100
> > +
> > +$(objpfx)tst-p_align3: $(objpfx)tst-p_alignmod3.so
> > +$(objpfx)tst-p_align3.out: tst-p_align3.sh $(objpfx)tst-p_align3
> > +     $(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
> > +     $(evaluate-test)
> > diff --git a/elf/tst-p_align3.c b/elf/tst-p_align3.c
> > new file mode 100644
> > index 0000000000..61c616ac3b
> > --- /dev/null
> > +++ b/elf/tst-p_align3.c
> > @@ -0,0 +1,27 @@
> > +/* Check invalid p_align of PT_LOAD segments in a shared library.
> > +   Copyright (C) 2021 Free Software Foundation, Inc.
>
> Update Copyright years.

Fixed.

> > +   This file is part of the GNU C Library.
> > +
> > +   The GNU C Library is free software; you can redistribute it and/or
> > +   modify it under the terms of the GNU Lesser General Public
> > +   License as published by the Free Software Foundation; either
> > +   version 2.1 of the License, or (at your option) any later version.
> > +
> > +   The GNU C Library is distributed in the hope that it will be useful,
> > +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> > +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> > +   Lesser General Public License for more details.
> > +
> > +   You should have received a copy of the GNU Lesser General Public
> > +   License along with the GNU C Library; if not, see
> > +   <https://www.gnu.org/licenses/>.  */
> > +
> > +extern int do_load_test (void);
>
> As before, do_load_test returns void.

Fixed.

> > +
> > +static int
> > +do_test (void)
> > +{
> > +  return do_load_test ();
> > +}
> > +
> > +#include <support/test-driver.c>
> > diff --git a/elf/tst-p_align3.sh b/elf/tst-p_align3.sh
> > new file mode 100755
> > index 0000000000..11572aa217
> > --- /dev/null
> > +++ b/elf/tst-p_align3.sh
> > @@ -0,0 +1,26 @@
> > +#!/bin/sh
> > +# Check invalid p_align of PT_LOAD segments in a shared library.
> > +# Copyright (C) 2021 Free Software Foundation, Inc.
>
> Update Copyright years.

Fixed.

> > +# This file is part of the GNU C Library.
> > +
> > +# The GNU C Library is free software; you can redistribute it and/or
> > +# modify it under the terms of the GNU Lesser General Public
> > +# License as published by the Free Software Foundation; either
> > +# version 2.1 of the License, or (at your option) any later version.
> > +
> > +# The GNU C Library is distributed in the hope that it will be useful,
> > +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> > +# Lesser General Public License for more details.
> > +
> > +# You should have received a copy of the GNU Lesser General Public
> > +# License along with the GNU C Library; if not, see
> > +# <https://www.gnu.org/licenses/>.
> > +
> > +common_objpfx=$1; shift
> > +test_program_prefix=$1; shift
> > +
> > +${test_program_prefix} \
> > +  ${common_objpfx}elf/tst-p_align3 \
> > +    2> ${common_objpfx}elf/tst-p_align3.out && exit 1
>
> I think we should test for command exit output:
>
>   test $? -ne 127 && exit 1

Fixed.

> > +grep "ELF load command address/offset not page-aligned" ${common_objpfx}elf/tst-p_align3.out
> > diff --git a/elf/tst-p_alignmod3.c b/elf/tst-p_alignmod3.c
> > new file mode 100644
> > index 0000000000..90f3af467e
> > --- /dev/null
> > +++ b/elf/tst-p_alignmod3.c
> > @@ -0,0 +1,22 @@
> > +/* Check invalid p_align of PT_LOAD segment in a shared library.
> > +   Copyright (C) 2021 Free Software Foundation, Inc.
>
>
> Update Copyright years.

Fixed.

> > +   This file is part of the GNU C Library.
> > +
> > +   The GNU C Library is free software; you can redistribute it and/or
> > +   modify it under the terms of the GNU Lesser General Public
> > +   License as published by the Free Software Foundation; either
> > +   version 2.1 of the License, or (at your option) any later version.
> > +
> > +   The GNU C Library is distributed in the hope that it will be useful,
> > +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> > +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> > +   Lesser General Public License for more details.
> > +
> > +   You should have received a copy of the GNU Lesser General Public
> > +   License along with the GNU C Library; if not, see
> > +   <https://www.gnu.org/licenses/>.  */
> > +
> > +void
> > +do_load_test (void)
> > +{
> > +}

Thanks.
diff mbox series

Patch

diff --git a/elf/Makefile b/elf/Makefile
index e4be3fa518..eca730ae8f 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -409,6 +409,10 @@  tests += \
   tst-p_alignmod2-edit \
   tst-p_align1 \
   tst-p_align2 \
+  tst-p_align3 \
+
+modules-names += \
+  tst-p_alignmod3 \
 
 endif
 
@@ -2110,3 +2114,10 @@  $(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
 	cp $(objpfx)tst-alignmod3.so $@
 	$(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
 	  $(objpfx)tst-p_alignmod2-edit $@
+
+LDFLAGS-tst-p_alignmod3.so += -Wl,-z,max-page-size=0x100,-z,common-page-size=0x100
+
+$(objpfx)tst-p_align3: $(objpfx)tst-p_alignmod3.so
+$(objpfx)tst-p_align3.out: tst-p_align3.sh $(objpfx)tst-p_align3
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
+	$(evaluate-test)
diff --git a/elf/tst-p_align3.c b/elf/tst-p_align3.c
new file mode 100644
index 0000000000..61c616ac3b
--- /dev/null
+++ b/elf/tst-p_align3.c
@@ -0,0 +1,27 @@ 
+/* Check invalid p_align of PT_LOAD segments in a shared library.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+extern int do_load_test (void);
+
+static int
+do_test (void)
+{
+  return do_load_test ();
+}
+
+#include <support/test-driver.c>
diff --git a/elf/tst-p_align3.sh b/elf/tst-p_align3.sh
new file mode 100755
index 0000000000..11572aa217
--- /dev/null
+++ b/elf/tst-p_align3.sh
@@ -0,0 +1,26 @@ 
+#!/bin/sh
+# Check invalid p_align of PT_LOAD segments in a shared library.
+# Copyright (C) 2021 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <https://www.gnu.org/licenses/>.
+
+common_objpfx=$1; shift
+test_program_prefix=$1; shift
+
+${test_program_prefix} \
+  ${common_objpfx}elf/tst-p_align3 \
+    2> ${common_objpfx}elf/tst-p_align3.out && exit 1
+grep "ELF load command address/offset not page-aligned" ${common_objpfx}elf/tst-p_align3.out
diff --git a/elf/tst-p_alignmod3.c b/elf/tst-p_alignmod3.c
new file mode 100644
index 0000000000..90f3af467e
--- /dev/null
+++ b/elf/tst-p_alignmod3.c
@@ -0,0 +1,22 @@ 
+/* Check invalid p_align of PT_LOAD segment in a shared library.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+void
+do_load_test (void)
+{
+}