mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 06:18:07 -05:00
5f3f703918
* gnu/packages/patches/glibc-bootstrap-system.patch, gnu/packages/patches/glibc-supported-locales.patch: Adjust for glibc 2.29. * gnu/packages/patches/glibc-2.28-supported-locales.patch, gnu/packages/patches/glibc-CVE-2019-7309.patch, gnu/packages/patches/glibc-CVE-2019-9169.patch, gnu/packages/patches/glibc-2.29-git-updates.patch: New files. * gnu/local.mk (dist_patch_DATA): Adjust accordingly. * gnu/packages/base.scm (glibc): Update to 2.29. [source](patches): Add 'glibc-CVE-2019-7309.patch', 'glibc-CVE-2019-9169.patch', and 'glibc-2.29-git-updates.patch'. Remove 'glibc-hurd-magic-pid.patch'. [native-inputs]: Add PYTHON-MINIMAL. (glibc-2.28): New public variable. * gnu/packages/commencement.scm (expat-sans-tests, python-boot0): New variables. (glibc-final-with-bootstrap-bash)[native-inputs]: Add PYTHON-BOOT0. * gnu/packages/python.scm (python-3.7)[arguments]: Disable test that fails with glibc 2.29.
76 lines
1.7 KiB
Diff
76 lines
1.7 KiB
Diff
Fix <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7309>.
|
|
|
|
Taken from this upstream commit, sans ChangeLog updates and tests:
|
|
<https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=3f635fb43389b54f682fc9ed2acc0b2aaf4a923d>.
|
|
|
|
diff --git a/sysdeps/x86_64/memcmp.S b/sysdeps/x86_64/memcmp.S
|
|
index 1fc487caa5..1322bb3b92 100644
|
|
--- a/sysdeps/x86_64/memcmp.S
|
|
+++ b/sysdeps/x86_64/memcmp.S
|
|
@@ -21,14 +21,18 @@
|
|
|
|
.text
|
|
ENTRY (memcmp)
|
|
- test %rdx, %rdx
|
|
+#ifdef __ILP32__
|
|
+ /* Clear the upper 32 bits. */
|
|
+ movl %edx, %edx
|
|
+#endif
|
|
+ test %RDX_LP, %RDX_LP
|
|
jz L(finz)
|
|
cmpq $1, %rdx
|
|
- jle L(finr1b)
|
|
+ jbe L(finr1b)
|
|
subq %rdi, %rsi
|
|
movq %rdx, %r10
|
|
cmpq $32, %r10
|
|
- jge L(gt32)
|
|
+ jae L(gt32)
|
|
/* Handle small chunks and last block of less than 32 bytes. */
|
|
L(small):
|
|
testq $1, %r10
|
|
@@ -156,7 +160,7 @@ L(A32):
|
|
movq %r11, %r10
|
|
andq $-32, %r10
|
|
cmpq %r10, %rdi
|
|
- jge L(mt16)
|
|
+ jae L(mt16)
|
|
/* Pre-unroll to be ready for unrolled 64B loop. */
|
|
testq $32, %rdi
|
|
jz L(A64)
|
|
@@ -178,7 +182,7 @@ L(A64):
|
|
movq %r11, %r10
|
|
andq $-64, %r10
|
|
cmpq %r10, %rdi
|
|
- jge L(mt32)
|
|
+ jae L(mt32)
|
|
|
|
L(A64main):
|
|
movdqu (%rdi,%rsi), %xmm0
|
|
@@ -216,7 +220,7 @@ L(mt32):
|
|
movq %r11, %r10
|
|
andq $-32, %r10
|
|
cmpq %r10, %rdi
|
|
- jge L(mt16)
|
|
+ jae L(mt16)
|
|
|
|
L(A32main):
|
|
movdqu (%rdi,%rsi), %xmm0
|
|
@@ -254,7 +258,7 @@ L(ATR):
|
|
movq %r11, %r10
|
|
andq $-32, %r10
|
|
cmpq %r10, %rdi
|
|
- jge L(mt16)
|
|
+ jae L(mt16)
|
|
testq $16, %rdi
|
|
jz L(ATR32)
|
|
|
|
@@ -325,7 +329,7 @@ L(ATR64main):
|
|
movq %r11, %r10
|
|
andq $-32, %r10
|
|
cmpq %r10, %rdi
|
|
- jge L(mt16)
|
|
+ jae L(mt16)
|
|
|
|
L(ATR32res):
|
|
movdqa (%rdi,%rsi), %xmm0
|