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glibc/sysdeps/aarch64
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Adhemerval Zanella 71149c2a2e elf: Only process multiple tunable once (BZ 31686) 
The 680c597e9c commit made loader reject ill-formatted strings by
first tracking all set tunables and then applying them. However, it does
not take into consideration if the same tunable is set multiple times,
where parse_tunables_string appends the found tunable without checking
if it was already in the list. It leads to a stack-based buffer overflow
if the tunable is specified more than the total number of tunables.  For
instance:

  GLIBC_TUNABLES=glibc.malloc.check=2:... (repeat over the number of
  total support for different tunable).

Instead, use the index of the tunable list to get the expected tunable
entry.  Since now the initial list is zero-initialized, the compiler
might emit an extra memset and this requires some minor adjustment
on some ports.

Checked on x86_64-linux-gnu and aarch64-linux-gnu.

Reported-by: Yuto Maeda <maeda@cyberdefense.jp>
Reported-by: Yutaro Shimizu <shimizu@cyberdefense.jp>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
(cherry picked from commit bcae44ea85)
2024-05-07 14:06:56 -03:00
..
bits Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
fpu aarch64/fpu: Sync libmvec routines from 2.39 and before with AOR 2024-04-09 19:58:04 +01:00
multiarch elf: Only process multiple tunable once (BZ 31686) 2024-05-07 14:06:56 -03:00
nptl Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
sys Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
__arm_za_disable.S aarch64: Add SME runtime support 2024-01-02 15:43:30 +00:00
__longjmp.S aarch64: Add longjmp support for SME 2024-01-02 15:43:30 +00:00
__mtag_tag_region.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
__mtag_tag_zero_region.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
abort-instr.h Relocate AArch64 from ports to libc. 2014-02-11 11:36:00 +00:00
atomic-machine.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
bsd-_setjmp.c aarch64: Rename place holder .S files to .c 2020-07-08 15:02:37 +01:00
bsd-setjmp.c aarch64: Rename place holder .S files to .c 2020-07-08 15:02:37 +01:00
configure aarch64: fix check for SVE support in assembler 2024-04-09 19:58:15 +01:00
configure.ac aarch64: fix check for SVE support in assembler 2024-04-09 19:58:15 +01:00
cpu-features.h AArch64: Check kernel version for SVE ifuncs 2024-04-09 19:58:25 +01:00
crti.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
crtn.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-audit-check.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-bti.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-irel.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-link.sym elf: Fix runtime linker auditing on aarch64 (BZ #26643) 2022-02-01 14:49:46 -03:00
dl-lookupcfg.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-machine.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-prop.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-start.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-tls.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-tlsdesc.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-tunables.list Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
e_sqrtl.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
elf-initfini.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
hp-timing.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
Implies Remove dbl-64/wordsize-64 (part 2) 2021-01-07 15:26:26 +00:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
ldsodefs.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
libc-mtag.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
libc-start.c aarch64: Make cpu-features definitions not Linux-specific 2024-01-04 23:48:54 +01:00
libc-tls.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
libm-test-ulps aarch64: Add vector implementations of expm1 routines 2023-11-20 17:53:14 +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
linkmap.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
machine-gmon.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
Makefile aarch64: Add longjmp test for SME 2024-01-02 16:54:21 +00:00
math-tests-trap.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
mcount.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memchr.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memcmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memcpy.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memmove.c aarch64: Rename place holder .S files to .c 2020-07-08 15:02:37 +01:00
memrchr.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memset-reg.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memset.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
preconfigure elf: Enable TLS descriptor tests on aarch64 2024-04-01 11:16:32 -07:00
rawmemchr.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
rtld-global-offsets.sym aarch64: Add SME runtime support 2024-01-02 15:43:30 +00:00
setjmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
sfp-machine.h Break more lines before not after operators. 2019-02-25 13:19:19 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
stackinfo.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
start.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
stpcpy.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strchr.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strchrnul.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strcmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strcpy.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strlen.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strncmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strnlen.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
strrchr.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
sysdep.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tlsdesc.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tlsdesc.sym aarch64: Use explicit offsets in _dl_tlsdesc_dynamic 2016-12-02 16:52:57 +01:00
tst-audit26.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit26mod.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit26mod.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit27.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit27mod.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit27mod.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-audit.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-auditmod26.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-auditmod27.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-ifunc-arg-1.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-ifunc-arg-2.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-sme-jmp.c aarch64: Add longjmp test for SME 2024-01-02 16:54:21 +00:00
tst-vpcs-mod.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tst-vpcs.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
Versions Relocate AArch64 from ports to libc. 2014-02-11 11:36:00 +00:00
wordcopy.c aarch64: Don't build wordcopy 2022-10-28 11:14:54 +01:00