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2019-02-07array_length: Make usable as a constant expressionFlorian Weimer
Do not use a statement expression in array_length, so that array_length can be used at file scope and as a constant expression. Instead, put the _Static_assert into a struct (as a declaration), and nest this in the expression using a sizeof expression.
2019-02-07support: Implement xdlmopenFlorian Weimer
Put xdlmopen into its own file, to avoid disturbing static linking tests (where dlmopen pulls in additional code).
2019-02-06Avoid "inline" after return type in function definitions.Joseph Myers
One group of warnings seen with -Wextra is warnings for static or inline not at the start of a declaration (-Wold-style-declaration). This patch fixes various such cases for inline, ensuring it comes at the start of the declaration (after any static). A common case of the fix is "static inline <type> __always_inline"; the definition of __always_inline starts with __inline, so the natural change is to "static __always_inline <type>". Other cases of the warning may be harder to fix (one pattern is a function definition that gets rewritten to be static by an including file, "#define funcname static wrapped_funcname" or similar), but it seems worth fixing these cases with inline anyway. Tested for x86_64. * elf/dl-load.h (_dl_postprocess_loadcmd): Use __always_inline before return type, without separate inline. * elf/dl-tunables.c (maybe_enable_malloc_check): Likewise. * elf/dl-tunables.h (tunable_is_name): Likewise. * malloc/malloc.c (do_set_trim_threshold): Likewise. (do_set_top_pad): Likewise. (do_set_mmap_threshold): Likewise. (do_set_mmaps_max): Likewise. (do_set_mallopt_check): Likewise. (do_set_perturb_byte): Likewise. (do_set_arena_test): Likewise. (do_set_arena_max): Likewise. (do_set_tcache_max): Likewise. (do_set_tcache_count): Likewise. (do_set_tcache_unsorted_limit): Likewise. * nis/nis_subr.c (count_dots): Likewise. * nptl/allocatestack.c (advise_stack_range): Likewise. * sysdeps/ieee754/dbl-64/s_sin.c (do_cos): Likewise. (do_sin): Likewise. (reduce_sincos): Likewise. (do_sincos): Likewise. * sysdeps/unix/sysv/linux/x86/elision-conf.c (do_set_elision_enable): Likewise. (TUNABLE_CALLBACK_FNDECL): Likewise.
2019-02-06support: Use dlerror to detect NULL symbols in xdlsymFlorian Weimer
2019-02-06x86: Remove unnecessary <stap-probe.h> include from lowlevellock.hFlorian Weimer
In the i386 case, it appears that the sole remaining LIBC_PROBE was removed in commit a9fe4c5aa8e53ee30f7d0a1c878391d5d6324e6e ("Support six-argument syscalls from C for 32-bit x86, use generic lowlevellock-futex.h (bug 18138)."), when sysdeps/unix/sysv/linux/i386/lowlevellock-futex.h was replaced with the generic version. For x86_64, the relevant change is commit 76f71081cd3fe355b9c18d1fc5e87643c788cfac ("Use generic lowlevellock-futex.h in x86_64 lowlevellock.h."), again by using the generic version of <lowlevellock-futex.h>. Tested on i386 and x86_64, with and without --enable-systemtap.
2019-02-06Fix wide char format specifier in libio/tst-bz24153.c.Stefan Liebler
On big endian systems the test fails with: tst-bz24153.c:88: numeric comparison failure left: 1660944385 (0x63000001); from: ch right: 99 (0x63); from: L'c' tst-bz24153.c:90: numeric comparison failure left: 1677721601 (0x64000001); from: ch right: 100 (0x64); from: L'd' error: 2 test failures One 'char' ("%c") is stored to the 'wchar_t *': ch = 0x00000001 | 0x63000000 This patch is using "%lc" as format specifier to read a wchar_t. ChangeLog: * libio/tst-bz24153.c (wide): Use wide char format specifier.
2019-02-06S390: Fix introduction of __wmemcmp and weak wmemcmp symbols.Stefan Liebler
The recent commit 65f7767a914144ae303f7b9ae81865061793dcb9 has introduced __wmemcmp and the weak alias wmemcmp. This patch also introduces those symbols if glibc is build with CFLAGS="-march=z13" where the ifunc is omitted. ChangeLog: * sysdeps/s390/wmemcmp-vx.S: Add strong alias to __wmemcmp and weak alias to wmemcmp.
2019-02-06Fix alignment of TLS variables for tls variant TLS_TCB_AT_TP [BZ #23403]Stefan Liebler
The alignment of TLS variables is wrong if accessed from within a thread for architectures with tls variant TLS_TCB_AT_TP. For the main thread the static tls data is properly aligned. For other threads the alignment depends on the alignment of the thread pointer as the static tls data is located relative to this pointer. This patch adds this alignment for TLS_TCB_AT_TP variants in the same way as it is already done for TLS_DTV_AT_TP. The thread pointer is also already properly aligned if the user provides its own stack for the new thread. This patch extends the testcase nptl/tst-tls1.c in order to check the alignment of the tls variables and it adds a pthread_create invocation with a user provided stack. The test itself is migrated from test-skeleton.c to test-driver.c and the missing support functions xpthread_attr_setstack and xposix_memalign are added. ChangeLog: [BZ #23403] * nptl/allocatestack.c (allocate_stack): Align pointer pd for TLS_TCB_AT_TP tls variant. * nptl/tst-tls1.c: Migrate to support/test-driver.c. Add alignment checks. * support/Makefile (libsupport-routines): Add xposix_memalign and xpthread_setstack. * support/support.h: Add xposix_memalign. * support/xthread.h: Add xpthread_attr_setstack. * support/xposix_memalign.c: New File. * support/xpthread_attr_setstack.c: Likewise.
2019-02-05arm: Use "nr" constraint for Systemtap probes [BZ #24164]Florian Weimer
With the default "nor" constraint, current GCC will use the "o" constraint for constants, after emitting the constant to memory. That results in unparseable Systemtap probe notes such as "-4@.L1052". Removing the "o" alternative and using "nr" instead avoids this.
2019-02-04Fix assertion in malloc.c:tcache_get.Joseph Myers
One of the warnings that appears with -Wextra is "ordered comparison of pointer with integer zero" in malloc.c:tcache_get, for the assertion: assert (tcache->entries[tc_idx] > 0); Indeed, a "> 0" comparison does not make sense for tcache->entries[tc_idx], which is a pointer. My guess is that tcache->counts[tc_idx] is what's intended here, and this patch changes the assertion accordingly. Tested for x86_64. * malloc/malloc.c (tcache_get): Compare tcache->counts[tc_idx] with 0, not tcache->entries[tc_idx].
2019-02-04Remove duplicate initialization of field in nscd.Joseph Myers
I'm looking at the warnings from building glibc with -Wextra, to see if we could use -Wextra by default, possibly with a few of its warnings disabled, and so benefit from warnings in -Wextra but not in -Wall. (The vast bulk of the extra warnings so produced are from -Wunused-parameter -Wsign-compare -Wmissing-field-initializers -Wtype-limits, so I expect those would be disabled at least at first.) Various miscellaneous warnings show up with -Wextra that it clearly seems to make sense to fix independent of whether we add -Wextra to the normal options for building glibc. This patch fixes one: "initialized field overwritten [-Woverride-init]" in nscd. Tested for x86_64. * nscd/connections.c (reqinfo): Initialize SHUTDOWN element only once.
2019-02-04Fix handling of collating elements in fnmatch (bug 17396, bug 16976)Andreas Schwab
This fixes the same bug in fnmatch that was fixed by commit 7e2f0d2d77 for regexp matching. As a side effect it also removes the use of an unbound VLA.
2019-02-04x86-64 memcmp: Use unsigned Jcc instructions on size [BZ #24155]H.J. Lu
Since the size argument is unsigned. we should use unsigned Jcc instructions, instead of signed, to check size. Tested on x86-64 and x32, with and without --disable-multi-arch. [BZ #24155] CVE-2019-7309 * NEWS: Updated for CVE-2019-7309. * sysdeps/x86_64/memcmp.S: Use RDX_LP for size. Clear the upper 32 bits of RDX register for x32. Use unsigned Jcc instructions, instead of signed. * sysdeps/x86_64/x32/Makefile (tests): Add tst-size_t-memcmp-2. * sysdeps/x86_64/x32/tst-size_t-memcmp-2.c: New test.
2019-02-04<spawn.h>: Add missing nonnull attributes and __restrict qualifiersFlorian Weimer
For consistency with execve, the __argv arguments are not marked nonnull.
2019-02-04elf: Implement --preload option for the dynamic linkerDavid Newall
2019-02-04testrun.sh: Exit in case of incorrect argumentMatthew Malcomson
2019-02-04time: Avoid alignment gaps in __tzfile_readFlorian Weimer
By ordering the suballocations by decreasing alignment, alignment gaps can be avoided. Also use __glibc_unlikely for reading the transitions and type indexes. In the 8-byte case, two reads are now needed because the transitions and type indexes are no longer adjacent. The separate call to __fread_unlocked does not matter from a performance point of view because __tzfile_read is only invoked rarely.
2019-02-03time: Use struct alloc_buffer in __tzfile_readFlorian Weimer
The computation of tzspec_len is moved in front of the total_size computation, so that the allocation size computation and the suballocations are next to each other. Also add an assert that tzspec_len is positive when it is actually used later.
2019-02-03testsuite: stdlib/isomac.c: add missing includeAurelien Jarno
When running the testsuite, building stdlib/isomac.c outputs the following warning: gcc -O -D_GNU_SOURCE -DIS_IN_build -include /home/aurel32/glibc-build/config.h isomac.c -o /home/aurel32/glibc-build/stdlib/isomac isomac.c: In function ‘get_null_defines’: isomac.c:260:3: warning: implicit declaration of function ‘close’; did you mean ‘pclose’? [-Wimplicit-function-declaration] close (fd); ^~~~~ pclose Fix that by adding the <unistd.h> include. Changelog: * stdlib/isomac.c: Include <unistd.h>.
2019-02-03time: Use int, not long int, for internal GMT offsetsFlorian Weimer
The GMT offset can be outside the range of a 16-bit int type, which is presumably the reason why long int was used in struct tm. We cannot change struct tm, but we can change the internal type for the offset.
2019-02-03libio: Use stdin consistently for input functions [BZ #24153]Florian Weimer
The internal _IO_stdin_ variable is not updated when the application assigns to stdin, which is a GNU extension.
2019-02-02manual: Document lack of conformance of sched_* functions [BZ #14829]Florian Weimer
On Linux, we define _POSIX_PRIORITY_SCHEDULING, but functions such as sched_setparam and sched_setscheduler apply to individual threads, not processes. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2019-02-01Require GCC 6.2 or later to build glibc.Joseph Myers
As discussed during development for glibc 2.29, when we increased the required minimum GCC version for building glibc to GCC 5, working purely based on the times at which such requirements have been increased in the past it would be appropriate for glibc 2.30 to require GCC 6 (matching GCC 4.9 having been required for glibc 2.26). Naming 6.2 specifically as the minimum version then means a separate version requirement no longer needs to be specified for powerpc64le. Thus, this patch increases the minimum to 6.2, removing the documentation of the separate requirement for powerpc64le. It does not remove the powerpc64le configure test, or any __GNUC_PREREQ that could be removed as not being in installed headers or files shared with gnulib; I think such cleanups are best done separately. Tested for x86_64. * configure.ac (libc_cv_compiler_ok): Require GCC 6.2 or later. * configure: Regenerated. * manual/install.texi (Tools for Compilation): Update minimum GCC version. * INSTALL: Regenerated.
2019-02-01support: Correct error message for TEST_COMPARE_STRINGFlorian Weimer
It should say "string", not "blob".
2019-02-01support: Handle AF_LOCAL, AF_UNSPEC in support_format_address_familyFlorian Weimer
2019-02-01manual: Update struct sockaddr_in, struct sockaddr_sin6 descriptionFlorian Weimer
Clarify the byte order of the the struct fields and document sin6_flowinfo and sin6_scope_id.
2019-02-01Cleanup clock_*time includesWilco Dijkstra
Clock_gettime, settime and getres implementations are unncessarily complex due to using defines and C file inclusion. Simplify the code by replacing the redundant defines and removing the inclusion, making it much easier to understand. No functional changes. * sysdeps/posix/clock_getres.c (__clock_getres): Cleanup. * sysdeps/unix/clock_gettime.c (__clock_gettime): Cleanup. * sysdeps/unix/clock_settime.c (__clock_settime): Cleanup. * sysdeps/unix/sysv/linux/clock_getres.c (__clock_getres): Cleanup. * sysdeps/unix/sysv/linux/clock_gettime.c (__clock_gettime): Cleanup. * sysdeps/unix/sysv/linux/clock_settime.c (__clock_settime): Cleanup.
2019-02-01aarch64: Optimized memchr specific to AmpereComputing emagFeng Xue
This version uses general register based memory instruction to load data, because vector register based is slightly slower in emag. Character-matching is performed on 16-byte (both size and alignment) memory block in parallel each iteration. * sysdeps/aarch64/memchr.S (__memchr): Rename to MEMCHR. [!MEMCHR](MEMCHR): Set to __memchr. * sysdeps/aarch64/multiarch/Makefile (sysdep_routines): Add memchr_generic and memchr_nosimd. * sysdeps/aarch64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add memchr ifuncs. * sysdeps/aarch64/multiarch/memchr.c: New file. * sysdeps/aarch64/multiarch/memchr_generic.S: Likewise. * sysdeps/aarch64/multiarch/memchr_nosimd.S: Likewise.
2019-02-01aarch64: Optimized memset specific to AmpereComputing emagFeng Xue
This version uses general register based memory store instead of vector register based, for the former is faster than the latter in emag. The fact that DC ZVA size in emag is 64-byte, is used by IFUNC dispatch to select this memset, so that cost of runtime-check on DC ZVA size can be saved. * sysdeps/aarch64/multiarch/Makefile (sysdep_routines): Add memset_emag. * sysdeps/aarch64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add __memset_emag to memset ifunc. * sysdeps/aarch64/multiarch/memset.c (libc_ifunc): Add IS_EMAG check for ifunc dispatch. * sysdeps/aarch64/multiarch/memset_base64.S: New file. * sysdeps/aarch64/multiarch/memset_emag.S: New file.
2019-02-01aarch64: Add AmpereComputing emag to tunable cpu listFeng Xue
Emag is a 64-bit CPU core released by AmpereComputing. Add its name to cpu list, and corresponding macro as utilities for later IFUNC dispatch. * manual/tunables.texi (Tunable glibc.cpu.name): Add emag. * sysdeps/unix/sysv/linux/aarch64/cpu-features.c (cpu_list): Add emag. * sysdeps/unix/sysv/linux/aarch64/cpu-features.h (IS_EMAG): New macro.
2019-02-01posix/tst-spawn: Fix racy tests in spawned processes.Stefan Liebler
From time to time I get fails in tst-spawn like: tst-spawn.c:111: numeric comparison failure left: 0 (0x0); from: xlseek (fd2, 0, SEEK_CUR) right: 28 (0x1c); from: strlen (fd2string) error: 1 test failures tst-spawn.c:252: numeric comparison failure left: 1 (0x1); from: WEXITSTATUS (status) right: 0 (0x0); from: 0 error: 1 test failures It turned out, that a child process is testing it's open file descriptors with e.g. a sequence of testing the current position, setting the position to zero and reading a specific amount of bytes. Unfortunately starting with commit 2a69f853c03034c2e383e0f9c35b5402ce8b5473 the test is spawning a second child process which is sharing some of the file descriptors. If the test sequence as mentioned above is running in parallel it leads to test failures. As the second call of posix_spawn shall test a NULL pid argument, this patch is just moving the waitpid of the first child before the posix_spawn of the second child. ChangeLog: * posix/tst-spawn do_test(): Move waitpid before posix_spawn.
2019-01-31make-syscalls.sh: fix comment referencing syscall-templateVineet Gupta
2019-01-31nptl: Fix pthread_rwlock_try*lock stalls (Bug 23844)Carlos O'Donell
For a full analysis of both the pthread_rwlock_tryrdlock() stall and the pthread_rwlock_trywrlock() stall see: https://sourceware.org/bugzilla/show_bug.cgi?id=23844#c14 In the pthread_rwlock_trydlock() function we fail to inspect for PTHREAD_RWLOCK_FUTEX_USED in __wrphase_futex and wake the waiting readers. In the pthread_rwlock_trywrlock() function we write 1 to __wrphase_futex and loose the setting of the PTHREAD_RWLOCK_FUTEX_USED bit, again failing to wake waiting readers during unlock. The fix in the case of pthread_rwlock_trydlock() is to check for PTHREAD_RWLOCK_FUTEX_USED and wake the readers. The fix in the case of pthread_rwlock_trywrlock() is to only write 1 to __wrphase_futex if we installed the write phase, since all other readers would be spinning waiting for this step. We add two new tests, one exercises the stall for pthread_rwlock_trywrlock() which is easy to exercise, and one exercises the stall for pthread_rwlock_trydlock() which is harder to exercise. The pthread_rwlock_trywrlock() test fails consistently without the fix, and passes after. The pthread_rwlock_tryrdlock() test fails roughly 5-10% of the time without the fix, and passes all the time after. Signed-off-by: Carlos O'Donell <carlos@redhat.com> Signed-off-by: Torvald Riegel <triegel@redhat.com> Signed-off-by: Rik Prohaska <prohaska7@gmail.com> Co-authored-by: Torvald Riegel <triegel@redhat.com> Co-authored-by: Rik Prohaska <prohaska7@gmail.com>
2019-02-01Use MPFR 4.0.2 in build-many-glibcs.py.Joseph Myers
* scripts/build-many-glibcs.py (Context.checkout): Default MPFR version to 4.0.2.
2019-01-31libio: use stdout in puts and putchar, etc [BZ #24051].Paul Pluzhnikov
GLIBC explicitly allows one to assign a new FILE pointer to stdout and other standard streams. printf and wprintf were honouring assignment to stdout and using the new value, but puts, putchar, and wide char variants did not. The stdout part is fixed here. The stdin part will be fixed in a followup.
2019-01-31regex: fix read overrun [BZ #24114]Paul Eggert
Problem found by AddressSanitizer, reported by Hongxu Chen in: https://debbugs.gnu.org/34140 * posix/regexec.c (proceed_next_node): Do not read past end of input buffer.
2019-01-31nss_files: Fix /etc/aliases null pointer dereference [BZ #24059]Florian Weimer
If /etc/aliases ends with a continuation line (a line that starts with whitespace) which does not have a trailing newline character, the file parser would crash due to a null pointer dereference. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2019-01-31Open master for 2.30 developmentglibc-2.29.9000Siddhesh Poyarekar
2019-01-31Tag 2.29 releaseglibc-2.29Siddhesh Poyarekar
* version.h (RELEASE): Set to "stable". (VERSION): Set to "2.29". * include/features.h (__GLIBC_MINOR__): Set to 2.29.
2019-01-31Prepare for 2.29 releaseSiddhesh Poyarekar
* NEWS: Add the list of bugs fixed in 2.29. * manual/contrib.texi: Update contributors list with some more names. * manual/install.texi: Update latest versions of packages tested. * INSTALL: Regenerated.
2019-01-25Update translationsSiddhesh Poyarekar
Update translations from translationproject.org for 2.28.9000.
2019-01-25[elf] Revert 8e889c5da3 (BZ#24122)Adhemerval Zanella
It triggers an invalid build issue on GCC8+ and does not covers all corner cases.
2019-01-24hurd: Fix initial sigaltstack stateSamuel Thibault
Previous commit fixed [BZ #24110]
2019-01-24RISC-V: Update nofpu ULPsDarius Rad
This patch fixes 36 math related test failures.
2019-01-24alpha: Fix __remqu corrupting $f3 registerUroš Bizjak
There was missing restore of $f3 before the return from the function via the $y_is_neg path. This caused the math/big testcase from Go-1.11 testsuite (that includes lots of corner cases that exercise remqu) FAIL. [BZ #24130] * sysdeps/alpha/remqu.S (__remqu): Add missing restore of $f3 register on $y_is_neg path.
2019-01-24hurd: Fix initial sigaltstack stateSamuel Thibault
* hurd/hurdsig.c (_hurd_thread_sigstate): Set SS_DISABLE in sigaltstack.ss_flags.
2019-01-24strftime: Pass the additional flags from "%EY" to "%Ey" [BZ #24096]TAMUKI Shoichi
The full representation of the alternative calendar year (%EY) typically includes an internal use of "%Ey". As a GNU extension, apply any flags on "%EY" (e.g. "%_EY", "%-EY") to the internal "%Ey", allowing users of "%EY" to control how the year is padded. Reviewed-by: Rafal Luzynski <digitalfreak@lingonborough.com> Reviewed-by: Zack Weinberg <zackw@panix.com> ChangeLog: [BZ #24096] * manual/time.texi (strftime): Document "%EC" and "%EY". * time/Makefile (tests): Add tst-strftime2. (LOCALES): Add ja_JP.UTF-8, lo_LA.UTF-8, and th_TH.UTF-8. * time/strftime_l.c (__strftime_internal): Add argument yr_spec to override padding for "%Ey". If an optional flag ('_' or '-') is specified to "%EY", interpret the "%Ey" in the subformat as if decorated with that flag. * time/tst-strftime2.c: New file.
2019-01-24strftime: Set the default width of "%Ey" to 2 [BZ #23758]TAMUKI Shoichi
In Japanese locales, strftime's alternative year format (%Ey) produces a year numbered within a time period called an _era_. A new era typically begins when a new emperor is enthroned. The result of "%Ey" is therefore usually a one- or two-digit number. Many programs that display Japanese era dates assume that the era year is two digits wide. To improve how these programs display dates during the first nine years of a new era, change "%Ey" to pad one- digit numbers on the left with a zero. This change applies to all locales. It is expected to be harmless for other locales that use the alternative year format (e.g. lo_LA and th_TH, in which "%Ey" produces the year of the Buddhist calendar) as those calendars' year numbers are already more than two digits wide, and this is not expected to change. This change needs to be in place before 2019-05-01 CE, as a new era is scheduled to begin on that date. Reviewed-by: Zack Weinberg <zackw@panix.com> Reviewed-by: Rafal Luzynski <digitalfreak@lingonborough.com> ChangeLog: [BZ #23758] * manual/time.texi (strftime): Document "%Ey". * time/strftime_l.c (__strftime_internal): Set the default width padding with zero of "%Ey" to 2.
2019-01-24hurd: Fix libsupport xsigstack buildAdhemerval Zanella
Hurd does not support MAP_NORESERVE and MAP_STACK. Checked on i686-gnu build. * support/xsigstack.c (MAP_NORESERVE, MAP_STACK): Define if they are not defined.
2019-01-24elf: Fix LD_AUDIT for modules with invalid version (BZ#24122)Adhemerval Zanella
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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