glibc/glibc-upstream-2.34-54.patch
Florian Weimer c2879fd933 Import glibc-2.34-18.fc35 from f35
* Thu Jan 13 2022 Florian Weimer <fweimer@redhat.com> - 2.34-18
- Backport optimized ELF dependency sorting algorithm (#2032647)

* Thu Jan 13 2022 Florian Weimer <fweimer@redhat.com> - 2.34-17
- Sync with upstream branch release/2.34/master,
  commit 2fe2af88abd13ae5636881da2e26f461ecb7dfb5
- i386: Remove broken CAN_USE_REGISTER_ASM_EBP (bug 28771)
- Update syscall lists for Linux 5.15
- powerpc: Fix unrecognized instruction errors with recent GCC
- timezone: test-case for BZ #28707
- timezone: handle truncated timezones from tzcode-2021d and later (BZ #28707)
- Fix subscript error with odd TZif file [BZ #28338]
- AArch64: Check for SVE in ifuncs [BZ #28744]
- intl/plural.y: Avoid conflicting declarations of yyerror and yylex
- Linux: Fix 32-bit vDSO for clock_gettime on powerpc32
- linux: Add sparck brk implementation
- Update sparc libm-test-ulps
- Update hppa libm-test-ulps
- riscv: align stack before calling _dl_init [BZ #28703]
- riscv: align stack in clone [BZ #28702]
- powerpc64[le]: Allocate extra stack frame on syscall.S
- elf: Fix tst-cpu-features-cpuinfo for KVM guests on some AMD systems [BZ #28704]
- nss: Use "files dns" as the default for the hosts database (bug 28700)
- arm: Guard ucontext _rtld_global_ro access by SHARED, not PIC macro
- mips: increase stack alignment in clone to match the ABI
- mips: align stack in clone [BZ #28223]

Resolves: #2032647
Resolves: #2033649
2022-01-14 19:18:46 +01:00

33 lines
960 B
Diff

commit 7af07fe795f43e53d31be1c6f9adba7e05f87b0b
Author: Xi Ruoyao <xry111@mengyan1223.wang>
Date: Thu Aug 12 20:31:59 2021 +0000
mips: align stack in clone [BZ #28223]
The MIPS O32 ABI requires 4 byte aligned stack, and the MIPS N64 and N32
ABI require 8 byte aligned stack. Previously if the caller passed an
unaligned stack to clone the the child misbehaved.
Fixes bug 28223.
(cherry picked from commit 1f51cd9a860ee45eee8a56fb2ba925267a2a7bfe)
diff --git a/sysdeps/unix/sysv/linux/mips/clone.S b/sysdeps/unix/sysv/linux/mips/clone.S
index 71d9dba8bd9e8f9e..43a5ad3a400d9504 100644
--- a/sysdeps/unix/sysv/linux/mips/clone.S
+++ b/sysdeps/unix/sysv/linux/mips/clone.S
@@ -55,6 +55,13 @@ NESTED(__clone,4*SZREG,sp)
.set at
#endif
+ /* Align stack to 4/8 bytes per the ABI. */
+#if _MIPS_SIM == _ABIO32
+ li t0,-4
+#else
+ li t0,-8
+#endif
+ and a1,a1,t0
/* Sanity check arguments. */
li v0,EINVAL