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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 74 |
1 files changed, 74 insertions, 0 deletions
@@ -1,5 +1,79 @@ 2016-06-23 Florian Weimer <fweimer@redhat.com> + [BZ #20191] + Implement vtable verification in libio. + * Makerules (shlib.lds): Place __libc_IO_vtables section. + * debug/obprintf_chk.c (_IO_obstack_jumps): Define as vtable. + * debug/vdprintf_chk.c (__vdprintf_chk): Call + _IO_new_file_init_internal instead of _IO_file_init. + * debug/vsnprintf_chk.c (_IO_strn_jumps): Define as vtable. + * debug/vsprintf_chk.c (_IO_str_chk_jumps): Likewise. + * libio/Makefile (routines): Add vtables. + * libio/libioP.h (_IO_JUMPS_FUNC): Call IO_validate_vtable. + (_IO_init): Remove, not for internal use. + (_IO_init_internal): Declare, internal replacement for _IO_init. + (_IO_file_init): Remove, not for internal use. + (_IO_new_file_init): Remove, not for internal use. + (_IO_new_file_init_internal): Declare, internal replacement for + _IO_new_file_init. + (_IO_old_file_init): Remove, not for internal use. + (_IO_old_file_init_internal): Declare, internal replacement for + _IO_old_file_init. + (_IO_str_init_static, _IO_str_init_readonly): Remove, not for + internal use. + (__libc_IO_vtables, IO_accept_foreign_vtables, _IO_vtable_check): + Declare. + (libio_vtable): New macro. + (IO_set_accept_foreign_vtables, _IO_validate_vtable): New inline + functions. + * libio/fileops.c (_IO_new_file_init_internal): Rename from + _IO_new_file_init. + (_IO_new_file_init): New externally visible wrapper which disables + vtable verification. + (_IO_file_jumps, _IO_file_jumps_mmap, _IO_file_jumps_maybe_mmap): + Define as vtables. + * libio/genops.c (_IO_init_internal): Rename from _IO_init. + (_IO_init): New externally visible wrapper which disables + vtable verification. + * libio/iofdopen.c (_IO_new_fdopen): Call + _IO_new_file_init_internal instead of _IO_file_init. Adjust + comment. + * libio/iofopen.c (__fopen_internal): Call + _IO_new_file_init_internal instead of _IO_file_init. + * libio/iofopncook.c (_IO_cookie_jumps, _IO_old_cookie_jumps): + Define as vtables. + (_IO_cookie_init): Call _IO_init_internal instead of _IO_init, + _IO_new_file_init_internal instead of _IO_file_init. + * libio/iopopen.c (_IO_new_popen): Likewise. + (_IO_proc_jumps): Define as vtable. + * libio/iovdprintf.c (_IO_vdprintf): Call + _IO_new_file_init_internal instead of _IO_file_init. + * libio/memstream.c (_IO_mem_jumps): Define as vtable. + (__open_memstream): Call _IO_init_internal instead of _IO_init. + * libio/obprintf.c (_IO_obstack_jumps): Define as vtable. + * libio/oldfileops.c (_IO_old_file_init_internal): Rename from + _IO_old_file_init. + (_IO_old_file_init): New externally visible wrapper which disables + vtable verification. + (_IO_old_file_jumps): Define as vtable. + * libio/oldiofdopen.c (_IO_old_fdopen): Call + _IO_old_file_init_internal instead of _IO_old_file_init. + * libio/oldiofopen.c (_IO_old_fopen): Likewise. + * libio/oldiopopen.c (_IO_old_popen): Likewise. + (_IO_old_proc_jumps): Define as vtable. + * libio/strops.c (_IO_str_jumps, _IO_strn_jumps, _IO_wstrn_jumps): + Define as vtables. + * libio/vtables.c: New file. + * libio/wfileops.c (_IO_wfile_jumps, _IO_wfile_jumps_mmap) + (_IO_wfile_jumps_maybe_mmap): Define as vtables. + * libio/wmemstream.c (_IO_wmem_jumps): Define as vtable. + * libio/wstrops.c (_IO_wstr_jumps): Likewise. + * stdio-common/vfprintf.c (_IO_helper_jumps): Likewise. + * stdlib/strfmon_l.c (__vstrfmon_l): Call _IO_init_internal + instead of _IO_init. + +2016-06-23 Florian Weimer <fweimer@redhat.com> + * test-skeleton.c (xrealloc): Support deallocation with n == 0. 2016-06-23 Florian Weimer <fweimer@redhat.com> |