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glibc/sysdeps/generic
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Adhemerval Zanella ba33937be2 elf: Fix DTV gap reuse logic (BZ #27135) 
This is updated version of the 572bd547d5 (reverted by 40ebfd016a)
that fixes the _dl_next_tls_modid issues.

This issue with 572bd547d5 patch is the DTV entry will be only
update on dl_open_worker() with the update_tls_slotinfo() call after
all dependencies are being processed by _dl_map_object_deps().  However
_dl_map_object_deps() itself might call _dl_next_tls_modid(), and since
the _dl_tls_dtv_slotinfo_list::map is not yet set the entry will be
wrongly reused.

This patch fixes by renaming the _dl_next_tls_modid() function to
_dl_assign_tls_modid() and by passing the link_map so it can set
the slotinfo value so a subsequente _dl_next_tls_modid() call will
see the entry as allocated.

The intermediary value is cleared up on remove_slotinfo() for the case
a library fails to load with RTLD_NOW.

This patch fixes BZ #27135.

Checked on x86_64-linux-gnu.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
2021-07-14 15:10:27 -03:00
..
net Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
netinet Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
nfs Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sys Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
_G_config.h Post-cleanup 2: minimize _G_config.h. 2018-02-07 10:10:32 -05:00
_itoa.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
a.out.h
abort-instr.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
adaptive_spin_count.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
aio_misc.h Linux: Cleanups after librt move 2021-06-28 09:51:01 +02:00
allocalim.h
arch-fd_to_filename.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
asm-syntax.h
atomic-machine.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
c++-types.data Add placeholder c++-types.data and *.abilist files. 2015-02-13 15:41:34 -08:00
confstr.h
crti.S Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
crtn.S Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
device-nrs.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dirstream.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-auxv.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-cache.h ldconfig/x86: Store ISA level in cache and aux cache 2021-01-13 05:51:17 -08:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-dtv.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-fcntl.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-fileid.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-fptr.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-hash.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-hwcap-check.h elf: Add hook for checking HWCAP bits after auxiliary vector parsing 2021-05-19 11:09:57 +02:00
dl-irel.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-isa-level.h ldconfig/x86: Store ISA level in cache and aux cache 2021-01-13 05:51:17 -08:00
dl-librecon.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-lookupcfg.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-machine.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-mman.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-osinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-procinfo.c
dl-procinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-procruntime.c ld.so: Add architecture specific fields 2017-11-13 08:02:52 -08:00
dl-prop.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-tls.h
dl-unistd.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-vdso-setup.c elf: Move vDSO setup to rtld (BZ#24967) 2020-01-03 11:22:07 -03:00
dl-vdso-setup.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-vdso.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dwarf2.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
elf_machine_sym_no_match.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
elf-initfini.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
elf-read-prop.h ldconfig/x86: Store ISA level in cache and aux cache 2021-01-13 05:51:17 -08:00
elide.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
eloop-threshold.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
entry.h
errqueue.h
fd_to_filename.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
features-time64.h y2038: Add support for 64-bit time on legacy ABIs 2021-06-15 10:42:11 -03:00
fenv_private.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fips-private.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fix-fp-int-compare-invalid.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fix-fp-int-convert-overflow.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fix-int-fp-convert-zero.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
float128-abi.h Move some float128 symbol version definitions. 2017-10-16 22:04:42 +00:00
fork.h posix: Consolidate fork implementation 2021-06-24 10:02:06 -03:00
fpu_control.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
framestate.c __frame_state_for: Use <unwind-link.h> for unwinder access 2021-03-01 15:59:36 +01:00
gcc-compat.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
gccframe.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
get-rounding-mode.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
gmp-mparam.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
hp-timing-common.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
hp-timing.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ifreq.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ifunc-init.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ifunc-sel.h Do not stack-protect ifunc resolvers [BZ #7065] 2016-12-26 10:08:41 +01:00
internal-signals.h nptl: Remove __libc_allocate_rtsig, __libc_current_sigrtmax, and __libc_current_sigrtmin 2021-03-26 13:37:18 -03:00
intr-msg.h
ld.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
ldbl-classify-compat.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ldconfig.h ldconfig/x86: Store ISA level in cache and aux cache 2021-01-13 05:51:17 -08:00
ldsodefs.h elf: Fix DTV gap reuse logic (BZ #27135) 2021-07-14 15:10:27 -03:00
libanl.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libBrokenLocale.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libc_start_call_main.h csu: Move calling main out of __libc_start_main_impl 2021-04-21 19:49:50 +02:00
libc-lock.h Remove pthread_key_create-related internals from libc-lock.h 2021-04-21 19:49:51 +02:00
libc-mmap.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libc-mtag.h malloc: Only support zeroing and not arbitrary memset with mtag 2021-03-26 11:03:06 +00:00
libc-start.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libc-symver.h Support for multiple versions in versioned_symbol, compat_symbol 2021-03-25 12:33:02 +01:00
libc-tsd.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libc.abilist Make sysdeps/generic/libc.abilist empty 2021-05-13 21:28:17 +00:00
libcrypt.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libdl.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libm-alias-double.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libm-alias-float128.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libm-alias-float.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libm-alias-ldouble.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
libm-test-ulps Replace gen-libm-test.pl with gen-libm-test.py. 2018-08-09 15:34:12 +00:00
libm-test-ulps-name Do not hardcode platform names in manual/libm-err-tab.pl (bug 14139). 2016-11-04 16:49:06 +00:00
libm.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libnsl.abilist Add placeholder libnsl.abilist and libutil.abilist files 2016-03-07 00:49:36 +01:00
libnss_compat.abilist
libnss_db.abilist
libnss_dns.abilist
libnss_files.abilist
libnss_hesiod.abilist
libnss_nis.abilist
libnss_nisplus.abilist
libpthread.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libresolv.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
librt.abilist Simplify the abilist format 2015-11-06 13:58:53 +01:00
libutil.abilist Add placeholder libnsl.abilist and libutil.abilist files 2016-03-07 00:49:36 +01:00
link_map.h ld.so: Add architecture specific fields 2017-11-13 08:02:52 -08:00
linkmap.h Rename bits/linkmap.h to linkmap.h (bug 14912). 2015-09-04 19:44:27 +00:00
local-setxid.h
localplt.data ld.so: Do not export free/calloc/malloc/realloc functions [BZ #25486] 2020-02-15 11:01:23 +01:00
machine-gmon.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
machine-lock.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
machine-sp.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
Makefile Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
malloc-alignment.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
malloc-machine.h Add a generic malloc test for MALLOC_ALIGNMENT 2021-07-09 06:39:30 -07:00
malloc-size.h Add a generic malloc test for MALLOC_ALIGNMENT 2021-07-09 06:39:30 -07:00
malloc-sysdep.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math_ldbl_opt.h Use PRINTF_LDBL_IS_DBL instead of __ldbl_is_dbl. 2018-12-05 18:15:43 -02:00
math_ldbl.h Allow direct use of math_ldbl.h in testsuite. 2017-02-25 10:40:48 -05:00
math_private_calls.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math_private.h math: Remove mpa files [BZ #15267] 2021-03-11 14:26:36 +00:00
math-barriers.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-nan-payload-double.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-nan-payload-float.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-narrow-alias-float128.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-arch.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-exceptions.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-rounding.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-snan-cast.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-snan-payload.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-snan.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-trap-force.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests-trap.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-tests.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-type-macros-double.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-type-macros-float128.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-type-macros-float.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-type-macros-ldouble.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-type-macros.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
math-use-builtins-ceil.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-copysign.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-floor.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-fma.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-nearbyint.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-rint.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-round.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-roundeven.h Use GCC builtins for roundeven functions if desired. 2021-06-27 07:56:57 -07:00
math-use-builtins-sqrt.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins-trunc.h math: Decompose math-use-builtins.h 2020-06-22 11:09:45 -03:00
math-use-builtins.h Use GCC builtins for roundeven functions if desired. 2021-06-27 07:56:57 -07:00
memcopy.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
memusage.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
mmap_info.h posix: Fix large mmap64 offset for mips64n32 (BZ#24699) 2019-07-10 16:52:50 -03:00
nan-high-order-bit.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
not-cancel.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
not-errno.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
nscd-types.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
pagecopy.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
paths.h
profil-counter.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
pty-private.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
register-dump.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
rtld_static_init.h elf: Partially initialize ld.so after static dlopen (bug 20802) 2021-05-17 10:06:57 +02:00
rtld-lowlevel.h
safe-fatal.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setjmpP.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sigcontextinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
siglist-compat.c signal: Move sys_siglist to a compat symbol 2020-07-07 14:10:58 -03:00
siglist-compat.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
siglist.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sigset-cvt-mask.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sigsetops.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
single-thread.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
spawn_int_def.h posix: Add posix_spawn_file_actions_addclosefrom_np 2021-07-08 14:08:15 -03:00
stackguard-macros.h
stackinfo.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
stap-probe-machine.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
startup.h Use <startup.h> in __libc_init_secure 2021-01-19 09:55:47 -08:00
stdio-lock.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
string_private.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
struct_stat_time64.h linux: Add {f}stat{at} y2038 support 2020-10-09 17:02:07 -03:00
symbol-hacks.h Break more lines before not after operators. 2019-02-25 13:19:19 +00:00
sysdep-cancel.h nptl: Remove tst-cancel-wrappers test and related macros 2019-01-03 18:38:08 -02:00
sysdep.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
thread_state.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
time64-compat.h y2038: Add support for 64-bit time on legacy ABIs 2021-06-15 10:42:11 -03:00
time-clockid.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tininess.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tls-internal-struct.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tls-internal.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tls-internal.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tls-macros.h
tls-setup.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tls.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tst-audit.h
tst-stack-align.h Properly check stack alignment [BZ #27901] 2021-05-24 07:42:12 -07:00
unsecvars.h Ignore and remove LD_HWCAP_MASK for AT_SECURE programs (bug #21209) 2017-03-07 20:52:04 +05:30
unwind-arch.h Implement <unwind-link.h> for dynamically loading the libgcc_s unwinder 2021-03-01 15:58:01 +01:00
unwind-dw2-fde-glibc.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind-dw2-fde.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind-dw2-fde.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind-dw2.c Legacy unwinder: Remove definition of _Unwind_GetCFA 2021-03-16 15:33:09 +01:00
unwind-link.h Implement <unwind-link.h> for dynamically loading the libgcc_s unwinder 2021-03-01 15:58:01 +01:00
unwind-pe.c
unwind-pe.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind-resume.c nptl: Move __pthread_unwind_next into libc 2021-04-21 19:49:50 +02:00
unwind-resume.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
unwind.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
utmp-equal.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
xstatver.h Remove mknod wrapper functions, move them to symbols 2020-10-09 17:02:06 -03:00