diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | iconv/gconv_cache.c | 9 | ||||
| -rw-r--r-- | libio/Makefile | 16 | ||||
| -rw-r--r-- | libio/iofclose.c | 15 | ||||
| -rw-r--r-- | libio/tst-wfile-ascii.c | 56 | ||||
| -rw-r--r-- | libio/tst-wfile-gconv.c | 36 | ||||
| -rw-r--r-- | wcsmbs/wcsmbsload.c | 10 | ||||
| -rw-r--r-- | wcsmbs/wcsmbsload.h | 1 |
8 files changed, 31 insertions, 132 deletions
@@ -1,3 +1,23 @@ +2019-07-31 Florian Weimer <fweimer@redhat.com> + + [BZ #24583] + [BZ #24677] + iconv, libio: Revert reference counting changes. + * iconv/gconv_cache.c (__gconv_release_cache): Unconditionally + free the steps array. + * libio/Makefile (tests): Remove tst-wfile-gconv. + (tests-container): Do not add tst-wfile-ascii. + (tst-wfile-gconv-ENV): Do not set. + (generated): Do not add tst-wfile-gconv.mtrace, + tst-wfile-gconv.check. + [($run-built-tests)] (tests-special): Do not add + tst-wfile-gconv-mem.out. + (tst-wfile-gconv.out, tst-wfile-gconv-mem.out): Remove targets. + * libio/iofclose.c (_IO_new_fclose): Call __gconv_release_step + instead of __wcsmbs_clone_conv. + * wcsmbs/wcsmbsload.c (__wcsmbs_clone_conv): Remove definition. + * wcsmbs/wcsmbsload.h (__wcsmbs_clone_conv): Remove declaration. + 2019-07-30 Joseph Myers <joseph@codesourcery.com> * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S diff --git a/iconv/gconv_cache.c b/iconv/gconv_cache.c index 4db7287..9a456bf 100644 --- a/iconv/gconv_cache.c +++ b/iconv/gconv_cache.c @@ -446,12 +446,9 @@ __gconv_lookup_cache (const char *toset, const char *fromset, void __gconv_release_cache (struct __gconv_step *steps, size_t nsteps) { - /* The only thing we have to deallocate is the record with the - steps. But do not do this if the reference counter is still - positive. This can happen if the steps array was cloned by - __wcsmbs_clone_conv. (The array elements have separate __counter - fields, but they are only out of sync temporarily.) */ - if (gconv_cache != NULL && steps->__counter == 0) + if (gconv_cache != NULL) + /* The only thing we have to deallocate is the record with the + steps. */ free (steps); } diff --git a/libio/Makefile b/libio/Makefile index 6e594b8..4a3637f 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -66,11 +66,7 @@ tests = tst_swprintf tst_wprintf tst_swscanf tst_wscanf tst_getwc tst_putwc \ tst-fwrite-error tst-ftell-partial-wide tst-ftell-active-handler \ tst-ftell-append tst-fputws tst-bz22415 tst-fgetc-after-eof \ tst-sprintf-ub tst-sprintf-chk-ub tst-bz24051 tst-bz24153 \ - tst-wfile-sync tst-wfile-gconv - -# This test tests interaction with the gconv cache. Setting -# GCONV_CACHE during out-of-container testing disables the cache. -tests-container += tst-wfile-ascii + tst-wfile-sync tests-internal = tst-vtables tst-vtables-interposed tst-readline @@ -173,12 +169,10 @@ test-fmemopen-ENV = MALLOC_TRACE=$(objpfx)test-fmemopen.mtrace tst-fopenloc-ENV = MALLOC_TRACE=$(objpfx)tst-fopenloc.mtrace tst-bz22415-ENV = MALLOC_TRACE=$(objpfx)tst-bz22415.mtrace tst-bz24228-ENV = MALLOC_TRACE=$(objpfx)tst-bz24228.mtrace -tst-wfile-gconv-ENV = MALLOC_TRACE=$(objpfx)tst-wfile-gconv.mtrace generated += test-fmemopen.mtrace test-fmemopen.check generated += tst-fopenloc.mtrace tst-fopenloc.check generated += tst-bz22415.mtrace tst-bz22415.check -generated += tst-wfile-gconv.mtrace tst-wfile-gconv.check aux := fileops genops stdfiles stdio strops @@ -194,8 +188,7 @@ shared-only-routines = oldiofopen oldiofdopen oldiofclose oldfileops \ ifeq ($(run-built-tests),yes) tests-special += $(objpfx)test-freopen.out $(objpfx)test-fmemopen-mem.out \ - $(objpfx)tst-bz22415-mem.out \ - $(objpfx)tst-wfile-gconv-mem.out + $(objpfx)tst-bz22415-mem.out ifeq (yes,$(build-shared)) # Run tst-fopenloc-cmp.out and tst-openloc-mem.out only if shared # library is enabled since they depend on tst-fopenloc.out. @@ -229,7 +222,6 @@ $(objpfx)tst-ungetwc2.out: $(gen-locales) $(objpfx)tst-widetext.out: $(gen-locales) $(objpfx)tst_wprintf2.out: $(gen-locales) $(objpfx)tst-wfile-sync.out: $(gen-locales) -$(objpfx)tst-wfile-gconv.out: $(gen-locales) endif $(objpfx)test-freopen.out: test-freopen.sh $(objpfx)test-freopen @@ -257,7 +249,3 @@ $(objpfx)tst-bz22415-mem.out: $(objpfx)tst-bz22415.out $(objpfx)tst-bz24228-mem.out: $(objpfx)tst-bz24228.out $(common-objpfx)malloc/mtrace $(objpfx)tst-bz24228.mtrace > $@; \ $(evaluate-test) - -$(objpfx)tst-wfile-gconv-mem.out: $(objpfx)tst-wfile-gconv.out - $(common-objpfx)malloc/mtrace $(objpfx)tst-wfile-gconv.mtrace > $@; \ - $(evaluate-test) diff --git a/libio/iofclose.c b/libio/iofclose.c index c03c6cf..8a80dd0 100644 --- a/libio/iofclose.c +++ b/libio/iofclose.c @@ -26,8 +26,8 @@ #include "libioP.h" #include <stdlib.h> +#include "../iconv/gconv_int.h" #include <shlib-compat.h> -#include <wcsmbs/wcsmbsload.h> int _IO_new_fclose (FILE *fp) @@ -60,14 +60,11 @@ _IO_new_fclose (FILE *fp) /* This stream has a wide orientation. This means we have to free the conversion functions. */ struct _IO_codecvt *cc = fp->_codecvt; - struct gconv_fcts conv = - { - .towc = cc->__cd_in.__cd.__steps, - .towc_nsteps = cc->__cd_in.__cd.__nsteps, - .tomb = cc->__cd_out.__cd.__steps, - .tomb_nsteps = cc->__cd_out.__cd.__nsteps, - }; - __wcsmbs_close_conv (&conv); + + __libc_lock_lock (__gconv_lock); + __gconv_release_step (cc->__cd_in.__cd.__steps); + __gconv_release_step (cc->__cd_out.__cd.__steps); + __libc_lock_unlock (__gconv_lock); } else { diff --git a/libio/tst-wfile-ascii.c b/libio/tst-wfile-ascii.c deleted file mode 100644 index 7514289..0000000 --- a/libio/tst-wfile-ascii.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Test ASCII gconv module followed by cache initialization. - Copyright (C) 2019 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 - <http://www.gnu.org/licenses/>. */ - -#include <stdlib.h> -#include <support/check.h> -#include <support/support.h> -#include <support/xstdio.h> -#include <wchar.h> - -static int -do_test (void) -{ - /* The test-in-container framework sets these environment variables. - The presence of GCONV_PATH invalidates this test. */ - unsetenv ("GCONV_PATH"); - unsetenv ("LOCPATH"); - - /* Create the gconv module cache. iconvconfig is in /sbin, which is - not on PATH. */ - { - char *iconvconfig = xasprintf ("%s/iconvconfig", support_sbindir_prefix); - TEST_COMPARE (system (iconvconfig), 0); - } - - /* Use built-in ASCII gconv module, without triggering cache - initialization. */ - FILE *fp1 = xfopen ("/dev/zero", "r"); - TEST_COMPARE (fwide (fp1, 1), 1); - - /* Use non-ASCII gconv module and trigger gconv cache - initialization. */ - FILE *fp2 = xfopen ("/dev/zero", "r,ccs=UTF-8"); - TEST_COMPARE (fwide (fp2, 0), 1); - - xfclose (fp1); - xfclose (fp2); - - return 0; -} - -#include <support/test-driver.c> diff --git a/libio/tst-wfile-gconv.c b/libio/tst-wfile-gconv.c deleted file mode 100644 index de603b3..0000000 --- a/libio/tst-wfile-gconv.c +++ /dev/null @@ -1,36 +0,0 @@ -/* Test that non-built-in gconv modules do not cause memory leak (bug 24583). - Copyright (C) 2019 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 - <http://www.gnu.org/licenses/>. */ - -#include <locale.h> -#include <mcheck.h> -#include <support/check.h> -#include <support/xstdio.h> - -static int -do_test (void) -{ - mtrace (); - - TEST_VERIFY_EXIT (setlocale (LC_ALL, "ja_JP.EUC-JP") != NULL); - xfclose (xfopen ("/etc/passwd", "r,ccs=UTF-8")); - xfclose (xfopen ("/etc/passwd", "r")); - - return 0; -} - -#include <support/test-driver.c> diff --git a/wcsmbs/wcsmbsload.c b/wcsmbs/wcsmbsload.c index 840d4ab..6648365 100644 --- a/wcsmbs/wcsmbsload.c +++ b/wcsmbs/wcsmbsload.c @@ -279,13 +279,3 @@ _nl_cleanup_ctype (struct __locale_data *locale) free ((char *) data); } } - -/* Free the specified conversion functions (but not CONV itself). */ -void -__wcsmbs_close_conv (struct gconv_fcts *conv) -{ - if (conv->towc != &to_wc) - __gconv_close_transform (conv->towc, conv->towc_nsteps); - if (conv->tomb != &to_mb) - __gconv_close_transform (conv->tomb, conv->tomb_nsteps); -} diff --git a/wcsmbs/wcsmbsload.h b/wcsmbs/wcsmbsload.h index c2fffbd..6ccad4b 100644 --- a/wcsmbs/wcsmbsload.h +++ b/wcsmbs/wcsmbsload.h @@ -51,7 +51,6 @@ extern int __wcsmbs_named_conv (struct gconv_fcts *copy, const char *name) /* Function used for the `private.cleanup' hook. */ extern void _nl_cleanup_ctype (struct __locale_data *) attribute_hidden; -extern void __wcsmbs_close_conv (struct gconv_fcts *conv) attribute_hidden; #include <iconv/gconv_int.h> |