GNU C Library master sources branch master updated. glibc-2.27.9000-56-g6a1ff64

[dj at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=6a1ff640dcec04905d8518983ad6252d38b7a733

commit 6a1ff640dcec04905d8518983ad6252d38b7a733
Author: DJ Delorie <dj@redhat.com>
Date:   Fri Feb 9 18:37:15 2018 -0500

    [RISC-V] Fix parsing flags in ELF64 files.
    
    When ldconfig reads Elf64 files to determine the ABI, it used the
    Elf32 type, so read the wrong location, and stored the wrong ABI
    type in the cache, making the cache useless.  This patch uses
    an Elf64 type for Elf64 objects instead.
    
    Note that pre-patch caches might need to be manually removed and
    regenerated to get the correct ABIs stored.
    
    	[BZ #22827]
    	* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
    	64-bit ELF type for 64-bit ELF objects.

diff --git a/ChangeLog b/ChangeLog
index 2063f73..1a0ed9d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-02-09  DJ Delorie  <dj@redhat.com>
+
+	[BZ #22827]
+	* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
+	64-bit ELF type for 64-bit ELF objects.
+
 2018-02-09  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/libm-test-driver.c (snan_tests_arg): New variable.
diff --git a/sysdeps/unix/sysv/linux/riscv/readelflib.c b/sysdeps/unix/sysv/linux/riscv/readelflib.c
index 6e249ff..7e27e0c 100644
--- a/sysdeps/unix/sysv/linux/riscv/readelflib.c
+++ b/sysdeps/unix/sysv/linux/riscv/readelflib.c
@@ -43,6 +43,7 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
 {
   ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
   Elf32_Ehdr *elf32_header = (Elf32_Ehdr *) elf_header;
+  Elf64_Ehdr *elf64_header = (Elf64_Ehdr *) elf_header;
   int ret;
   long flags;
 
@@ -59,7 +60,7 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
     {
       ret = process_elf64_file (file_name, lib, flag, osversion, soname,
 				file_contents, file_length);
-      flags = elf32_header->e_flags;
+      flags = elf64_header->e_flags;
     }
 
   /* RISC-V linkers encode the floating point ABI as part of the ELF headers.  */

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                  |    6 ++++++
 sysdeps/unix/sysv/linux/riscv/readelflib.c |    3 ++-
 2 files changed, 8 insertions(+), 1 deletions(-)


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