Bug#857307: unblock: musl/1.1.16-3
Package: release.debian.org
Severity: normal
User: release.debian.org@packages.debian.org
Usertags: unblock
Please unblock package musl
1.1.16-3 includes a fix for applications crashing on startup on ppc64(el)
(#857078).
Attached is the debdiff.
Thanks in advance!
Kind regards,
Reiner
unblock musl/1.1.16-3
diff -Nru musl-1.1.16/debian/changelog musl-1.1.16/debian/changelog
--- musl-1.1.16/debian/changelog 2017-01-22 18:18:26.000000000 +0100
+++ musl-1.1.16/debian/changelog 2017-03-09 19:19:31.000000000 +0100
@@ -1,3 +1,10 @@
+musl (1.1.16-3) unstable; urgency=medium
+
+ * Import upstream fix for PPC64 crash.
+ Thanks to Breno Leitao for investigating. (Closes: #857078)
+
+ -- Reiner Herrmann <reiner@reiner-h.de> Thu, 09 Mar 2017 19:19:31 +0100
+
musl (1.1.16-2) unstable; urgency=medium
[ Breno Leitao ]
diff -Nru musl-1.1.16/debian/patches/ppc64-crash.patch musl-1.1.16/debian/patches/ppc64-crash.patch
--- musl-1.1.16/debian/patches/ppc64-crash.patch 1970-01-01 01:00:00.000000000 +0100
+++ musl-1.1.16/debian/patches/ppc64-crash.patch 2017-03-09 19:10:03.000000000 +0100
@@ -0,0 +1,29 @@
+From: Rich Felker <dalias@aerifal.cx>
+Subject: fix ld-behavior-dependent crash in ppc64 ldso startup
+Origin: upstream, http://git.musl-libc.org/cgit/musl/commit/?id=fc85fb38605a8bf341c367b8ab0d36edab2bdbfc
+Bug: http://www.openwall.com/lists/musl/2017/03/07/2
+Bug-Debian: https://bugs.debian.org/857078
+
+the 32-bit pc-relative address for stage 2 of dynamic linker entry was
+wrongly loaded with a zero-extending load instead of sign-extending
+load, resulting in an invalid jump if the offset happened to be
+negative, which depends on the linker's ordering of text sections.
+---
+ arch/powerpc64/reloc.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/powerpc64/reloc.h b/arch/powerpc64/reloc.h
+index e1bad00..faf70ac 100644
+--- a/arch/powerpc64/reloc.h
++++ b/arch/powerpc64/reloc.h
+@@ -27,6 +27,6 @@
+ " bl 1f \n" \
+ " .long " #sym "-. \n" \
+ "1: mflr %1 \n" \
+- " lwz %0, 0(%1) \n" \
++ " lwa %0, 0(%1) \n" \
+ " add %0, %0, %1 \n" \
+ : "=r"(*(fp)), "=r"((long){0}) : : "memory", "lr" )
+--
+cgit v0.11.2
+
diff -Nru musl-1.1.16/debian/patches/series musl-1.1.16/debian/patches/series
--- musl-1.1.16/debian/patches/series 2017-01-22 17:54:16.000000000 +0100
+++ musl-1.1.16/debian/patches/series 2017-03-09 19:08:03.000000000 +0100
@@ -1,2 +1,3 @@
arm-object_arch.patch
dpkg-gcc-specs.diff
+ppc64-crash.patch
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