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- Log ----------------------------------------------------------------- commit da504bdc57564434629c485ee12b64f76adf722d Author: Arne Fitzenreiter arne_f@ipfire.org Date: Wed Jul 5 17:42:21 2017 +0200
grub: ignore missing .symtab in modules
old binutis add an empty .symtab section at stripping and grub check that this exists also on modules that export no symbols.
Signed-off-by: Arne Fitzenreiter arne_f@ipfire.org
-----------------------------------------------------------------------
Summary of changes: lfs/grub | 1 + src/patches/grub-2.00_ignore_missing_symtab.patch | 40 +++++++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 src/patches/grub-2.00_ignore_missing_symtab.patch
Difference in files: diff --git a/lfs/grub b/lfs/grub index 494fea9..8b82189 100644 --- a/lfs/grub +++ b/lfs/grub @@ -80,6 +80,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects)) cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grub-2.00_disable_vga_fallback.patch cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grub2-remove-gets.patch + cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grub-2.00_ignore_missing_symtab.patch cd $(DIR_APP) && \ ./configure \ --prefix=/usr \ diff --git a/src/patches/grub-2.00_ignore_missing_symtab.patch b/src/patches/grub-2.00_ignore_missing_symtab.patch new file mode 100644 index 0000000..fbaa26e --- /dev/null +++ b/src/patches/grub-2.00_ignore_missing_symtab.patch @@ -0,0 +1,40 @@ +diff -Naur grub-2.00.org/grub-core/kern/dl.c grub-2.00/grub-core/kern/dl.c +--- grub-2.00.org/grub-core/kern/dl.c 2012-06-22 17:26:38.000000000 +0200 ++++ grub-2.00/grub-core/kern/dl.c 2017-07-05 10:45:25.501645684 +0200 +@@ -354,8 +354,11 @@ + if (s->sh_type == SHT_SYMTAB) + break; + ++ /* Module without symbol table may still be used to pull in dependencies. ++ We verify at build time that such modules do not contain any relocations ++ that may reference symbol table. */ + if (i == e->e_shnum) +- return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table")); ++ return GRUB_ERR_NONE; + + #ifdef GRUB_MODULES_MACHINE_READONLY + mod->symtab = grub_malloc (s->sh_size); +diff -Naur grub-2.00.org/grub-core/kern/i386/dl.c grub-2.00/grub-core/kern/i386/dl.c +--- grub-2.00.org/grub-core/kern/i386/dl.c 2012-02-26 12:14:21.000000000 +0100 ++++ grub-2.00/grub-core/kern/i386/dl.c 2017-07-05 17:01:43.333955065 +0200 +@@ -55,7 +55,7 @@ + break; + + if (i == e->e_shnum) +- return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table")); ++ return GRUB_ERR_NONE; + + entsize = s->sh_entsize; + +diff -Naur grub-2.00.org/grub-core/kern/x86_64/dl.c grub-2.00/grub-core/kern/x86_64/dl.c +--- grub-2.00.org/grub-core/kern/x86_64/dl.c 2012-02-26 12:14:56.000000000 +0100 ++++ grub-2.00/grub-core/kern/x86_64/dl.c 2017-07-05 17:02:23.374574458 +0200 +@@ -55,7 +55,7 @@ + break; + + if (i == e->e_shnum) +- return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table")); ++ return GRUB_ERR_NONE; + + entsize = s->sh_entsize; +
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