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selftests/seccomp: Support glibc 2.26 siginfo_t.h

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The 2.26 release of glibc changed how siginfo_t is defined, and the earlier
work-around to using the kernel definition are no longer needed. The old
way needs to stay around for a while, though.

Reported-by: Seth Forshee <seth.forshee@canonical.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
This commit is contained in:
Kees Cook 2017-09-07 16:32:46 -07:00 committed by Shuah Khan
parent 659dbfd8c4
commit 10859f3855
1 changed files with 13 additions and 5 deletions
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18
tools/testing/selftests/seccomp/seccomp_bpf.c
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@ -6,10 +6,18 @@
*/
#include <sys/types.h>
#include <asm/siginfo.h>
#define __have_siginfo_t 1
#define __have_sigval_t 1
#define __have_sigevent_t 1
/*
* glibc 2.26 and later have SIGSYS in siginfo_t. Before that,
* we need to use the kernel's siginfo.h file and trick glibc
* into accepting it.
*/
#if !__GLIBC_PREREQ(2, 26)
# include <asm/siginfo.h>
# define __have_siginfo_t 1
# define __have_sigval_t 1
# define __have_sigevent_t 1
#endif
#include <errno.h>
#include <linux/filter.h>
@ -676,7 +684,7 @@ TEST_F_SIGNAL(TRAP, ign, SIGSYS)
syscall(__NR_getpid);
}
static struct siginfo TRAP_info;
static siginfo_t TRAP_info;
static volatile int TRAP_nr;
static void TRAP_action(int nr, siginfo_t *info, void *void_context)
{