From: Mike Frysinger Date: Mon, 20 Jul 2015 11:29:15 +0000 (-0400) Subject: sparc: fix sigaction for 32bit builds [BZ #18694] X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d679497db20c23e3aaaa150821ce9134cc666a18;p=thirdparty%2Fglibc.git sparc: fix sigaction for 32bit builds [BZ #18694] Commit a059d359d86130b5fa74e04a978c8523a0293f77 changed the sigaction struct to pass conform tests, but it ended up also changing the ABI for 32 bit builds. For 64 bit builds, changing the long to two ints works, but for 32 bit builds, it inserts 4 extra bytes. This leads to many packages randomly failing like bash that spews things like: configure: line 471: wait_for: No record of process 0 Bracket the new member by a wordsize check to fix the ABI for 32bit. (cherry picked from commit 7fde904c73c57faea48c9679bbdc0932d81b3a2f) --- diff --git a/ChangeLog b/ChangeLog index 26feb0734ef..76d3e968440 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2015-07-21 Mike Frysinger + + [BZ #18694] + * sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: Include + bits/wordsize.h. + (sigaction): Declare __glibc_reserved0 only when __WORDSIZE is 64. + 2015-04-21 Arjun Shankar [BZ #18287] diff --git a/NEWS b/NEWS index c9f6b584866..f9b359a5b7f 100644 --- a/NEWS +++ b/NEWS @@ -9,7 +9,7 @@ Version 2.21.1 * The following bugs are resolved with this release: - 17949, 18287. + 17949, 18287, 18694. * A buffer overflow in gethostbyname_r and related functions performing DNS requests has been fixed. If the NSS functions were called with a @@ -17,6 +17,10 @@ Version 2.21.1 not taken into account. This could result in application crashes or, potentially arbitrary code execution, using crafted, but syntactically valid DNS responses. (CVE-2015-1781) + +* The 32-bit sparc sigaction ABI was inadvertently broken in the 2.20 and 2.21 + releases. It has been fixed to match 2.19 and older, but binaries built + against 2.20 and 2.21 might need to be recompiled. See BZ#18694. Version 2.21 diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h index 0750b520387..3af5541024e 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h @@ -20,6 +20,8 @@ # error "Never include directly; use instead." #endif +#include + /* Structure describing the action to be taken when a signal arrives. */ struct sigaction { @@ -43,7 +45,9 @@ struct sigaction __sigset_t sa_mask; /* Special flags. */ +#if __WORDSIZE == 64 int __glibc_reserved0; +#endif int sa_flags; /* Not used by Linux/Sparc yet. */