]> git.baikalelectronics.ru Git - kernel.git/commit
selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault
authorAndy Lutomirski <luto@kernel.org>
Thu, 12 Mar 2020 22:35:51 +0000 (15:35 -0700)
committerBorislav Petkov <bp@suse.de>
Fri, 20 Mar 2020 10:28:47 +0000 (11:28 +0100)
commitf8f4b3a84e98af62fc566da073c82fb3050a99e7
tree0ad144a21cf62829ae39c29d741258bfc4d14977
parent80cd50b109414e222d2b2a73d41e4ea7d8ea45d2
selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault

If AT_SYSINFO is not present, don't try to call a NULL pointer.

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/faaf688265a7e1a5b944d6f8bc0f6368158306d3.1584052409.git.luto@kernel.org
tools/testing/selftests/x86/ptrace_syscall.c