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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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This includes the original test case from commit
8e889c5da3c5981c5a46a93fec02de40131ac5a6 ("elf: Fix LD_AUDIT for
modules with invalid version (BZ#24122)).
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It triggers an invalid build issue on GCC8+ and does not covers all
corner cases.
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The error handling patch for invalid audit modules version access
invalid memory:
elf/rtld.c:
1454 unsigned int (*laversion) (unsigned int);
1455 unsigned int lav;
1456 if (err_str == NULL
1457 && (laversion = largs.result) != NULL
1458 && (lav = laversion (LAV_CURRENT)) > 0
1459 && lav <= LAV_CURRENT)
1460 {
[...]
1526 else
1527 {
1528 /* We cannot use the DSO, it does not have the
1529 appropriate interfaces or it expects something
1530 more recent. */
1531 #ifndef NDEBUG
1532 Lmid_t ns = dlmargs.map->l_ns;
1533 #endif
1534 _dl_close (dlmargs.map);
1535
1536 /* Make sure the namespace has been cleared entirely. */
1537 assert (GL(dl_ns)[ns]._ns_loaded == NULL);
1538 assert (GL(dl_ns)[ns]._ns_nloaded == 0);
1539
1540 GL(dl_tls_max_dtv_idx) = tls_idx;
1541 goto not_loaded;
1542 }
1431 const char *err_str = NULL;
1432 bool malloced;
1433 (void) _dl_catch_error (&objname, &err_str, &malloced, dlmopen_doit,
1434 &dlmargs);
1435 if (__glibc_unlikely (err_str != NULL))
1436 {
1437 not_loaded:
1438 _dl_error_printf ("\
1439 ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
1440 name, err_str);
1441 if (malloced)
1442 free ((char *) err_str);
1443 }
On failure the err_str will be NULL and _dl_debug_vdprintf does not handle
it properly:
elf/dl-misc.c:
200 case 's':
201 /* Get the string argument. */
202 iov[niov].iov_base = va_arg (arg, char *);
203 iov[niov].iov_len = strlen (iov[niov].iov_base);
204 if (prec != -1)
205 iov[niov].iov_len = MIN ((size_t) prec, iov[niov].iov_len);
206 ++niov;
207 break;
This patch fixes the issues and improves the error message.
Checked on x86_64-linux-gnu and i686-linux-gnu
[BZ #24122]
* elf/Makefile (tests): Add tst-audit13.
(modules-names): Add tst-audit13mod1.
(tst-audit13.out, LDFLAGS-tst-audit13mod1.so, tst-audit13-ENV): New
rule.
* elf/rtld.c (dl_main): Handle invalid audit module version.
* elf/tst-audit13.c: New file.
* elf/tst-audit13mod1.c: Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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