forked from rpms/glibc
getdelim: ensure error indicator is set on error (RHEL-54007)
Resolves: RHEL-54007
This commit is contained in:
Frédéric Bérat
parent
0d2a788a88
commit
479ad685f5
121
glibc-RHEL-54007.patch
Normal file
121
glibc-RHEL-54007.patch
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@ -0,0 +1,121 @@
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commit a09183aed7bb8ace211e042b2e6e982bcc004957
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Author: Andreas Schwab <schwab@suse.de>
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Date: Mon Dec 19 12:40:45 2022 +0100
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getdelim: ensure error indicator is set on error (bug 29917)
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POSIX requires that getdelim and getline set the error indicator on the
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stream when an error occured, in addition to setting errno.
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Conflicts:
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libio/Makefile - Manual merge for the newly added test
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diff --git a/libio/Makefile b/libio/Makefile
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index 64398ab1ee..9c69a85c87 100644
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--- a/libio/Makefile
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+++ b/libio/Makefile
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@@ -66,7 +66,7 @@ tests = tst_swprintf tst_wprintf tst_swscanf tst_wscanf tst_getwc tst_putwc \
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tst-fwrite-error tst-ftell-partial-wide tst-ftell-active-handler \
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tst-ftell-append tst-fputws tst-bz22415 tst-fgetc-after-eof \
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tst-sprintf-ub tst-sprintf-chk-ub tst-bz24051 tst-bz24153 \
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- tst-wfile-sync
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+ tst-wfile-sync tst-getdelim
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tests-internal = tst-vtables tst-vtables-interposed
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diff --git a/libio/iogetdelim.c b/libio/iogetdelim.c
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index b6c4c07b45..591526e9c1 100644
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--- a/libio/iogetdelim.c
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+++ b/libio/iogetdelim.c
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@@ -43,11 +43,6 @@ __getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
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ssize_t cur_len = 0;
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ssize_t len;
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- if (lineptr == NULL || n == NULL)
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- {
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- __set_errno (EINVAL);
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- return -1;
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- }
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CHECK_FILE (fp, -1);
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_IO_acquire_lock (fp);
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if (_IO_ferror_unlocked (fp))
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@@ -56,12 +51,21 @@ __getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
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goto unlock_return;
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}
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+ if (lineptr == NULL || n == NULL)
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+ {
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+ __set_errno (EINVAL);
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+ fseterr_unlocked (fp);
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+ result = -1;
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+ goto unlock_return;
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+ }
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+
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if (*lineptr == NULL || *n == 0)
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{
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*n = 120;
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*lineptr = (char *) malloc (*n);
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if (*lineptr == NULL)
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{
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+ fseterr_unlocked (fp);
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result = -1;
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goto unlock_return;
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}
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@@ -88,6 +92,7 @@ __getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
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if (__glibc_unlikely (len >= SSIZE_MAX - cur_len))
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{
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__set_errno (EOVERFLOW);
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+ fseterr_unlocked (fp);
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result = -1;
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goto unlock_return;
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}
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@@ -102,6 +107,7 @@ __getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
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new_lineptr = (char *) realloc (*lineptr, needed);
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if (new_lineptr == NULL)
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{
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+ fseterr_unlocked (fp);
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result = -1;
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goto unlock_return;
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}
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diff --git a/libio/tst-getdelim.c b/libio/tst-getdelim.c
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new file mode 100644
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index 0000000000..4443732669
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--- /dev/null
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+++ b/libio/tst-getdelim.c
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@@ -0,0 +1,36 @@
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+/* Check that getdelim sets error indicator on error (BZ #29917)
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+
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+ Copyright (C) 2023 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <stdio.h>
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+#include <errno.h>
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+
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+#include <support/check.h>
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+
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+static int
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+do_test (void)
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+{
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+ clearerr (stdin);
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+ TEST_VERIFY (getdelim (0, 0, '\n', stdin) == -1);
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+ TEST_VERIFY (ferror (stdin) != 0);
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+ TEST_VERIFY (errno == EINVAL);
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+
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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@ -157,7 +157,7 @@ end \
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Summary: The GNU libc libraries
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Summary: The GNU libc libraries
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Name: glibc
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Name: glibc
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Version: %{glibcversion}
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Version: %{glibcversion}
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Release: 119%{?dist}
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Release: 120%{?dist}
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# In general, GPLv2+ is used by programs, LGPLv2+ is used for
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# In general, GPLv2+ is used by programs, LGPLv2+ is used for
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# libraries.
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# libraries.
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@ -847,6 +847,7 @@ Patch608: glibc-RHEL-46741-2.patch
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Patch609: glibc-RHEL-50101-1.patch
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Patch609: glibc-RHEL-50101-1.patch
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Patch610: glibc-RHEL-50101-2.patch
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Patch610: glibc-RHEL-50101-2.patch
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Patch611: glibc-RHEL-50101-3.patch
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Patch611: glibc-RHEL-50101-3.patch
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Patch612: glibc-RHEL-54007.patch
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##############################################################################
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##############################################################################
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# Continued list of core "glibc" package information:
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# Continued list of core "glibc" package information:
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@ -3006,6 +3007,9 @@ update_gconv_modules_cache ()
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%endif
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%endif
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%changelog
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%changelog
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* Tue Aug 13 2024 Frédéric Bérat <fberat@redhat.com> - 2.34-120
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- getdelim: ensure error indicator is set on error (RHEL-54007)
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* Tue Aug 06 2024 Arjun Shankar <arjun@redhat.com> - 2.34-119
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* Tue Aug 06 2024 Arjun Shankar <arjun@redhat.com> - 2.34-119
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- Add new tests for aligned_alloc (RHEL-50101)
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- Add new tests for aligned_alloc (RHEL-50101)
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