Gianluca Borello 3c839744b3 bpf: Preserve const register type on const OR alu ops ... Occasionally, clang (e.g. version 3.8.1) translates a sum between two constant operands using a BPF_OR instead of a BPF_ADD. The verifier is currently not handling this scenario, and the destination register type becomes UNKNOWN_VALUE even if it's still storing a constant. As a result, the destination register cannot be used as argument to a helper function expecting a ARG_CONST_STACK_*, limiting some use cases. Modify the verifier to handle this case, and add a few tests to make sure all combinations are supported, and stack boundaries are still verified even with BPF_OR. Signed-off-by: Gianluca Borello <g.borello@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-12-05 13:40:05 -05:00
..
bpf	bpf: Preserve const register type on const OR alu ops	2016-12-05 13:40:05 -05:00
breakpoints	selftests: add missing .gitignore file or entry	2016-02-25 13:16:36 -07:00
capabilities	selftests/capabilities: clean up for Makefile	2015-11-23 13:20:10 -07:00
cpu-hotplug	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
efivarfs	efi: Make efivarfs entries immutable by default	2016-02-10 16:25:52 +00:00
exec	selftests/exec: Makefile is a run-time dependency, add it to the install list	2016-06-15 13:35:55 -06:00
filesystems	selftests: move dnotify_test from Documentation/filesystems	2016-09-20 09:09:00 -06:00
firmware	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
ftrace	ftracetest: Fix hist unsupported result in hist selftests	2016-06-20 09:46:21 -04:00
futex	selftests/futex: Check ANSI terminal color support	2016-10-11 07:38:36 -06:00
ia64	selftests: move ia64 tests from Documentation/ia64	2016-09-20 09:58:12 -06:00
intel_pstate	tools: testing: define the _GNU_SOURCE macro	2016-05-16 09:06:17 -06:00
ipc	selftests: add missing .gitignore file or entry	2016-02-25 13:16:36 -07:00
kcmp	selftests: Set CC using CROSS_COMPILE once in lib.mk	2015-03-19 15:16:51 -06:00
lib	selftests/lib: set printf.sh executable	2016-06-27 13:17:14 -06:00
media_tests	selftests: media_tests add a new video device test	2016-07-26 09:59:30 -06:00
membarrier	membarrier: clean up selftest	2015-09-22 15:09:53 -07:00
memfd	selftests: Make scripts executable	2015-11-03 16:54:57 -07:00
memory-hotplug	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
mount	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
mqueue	selftests: Add missing #include directives	2015-11-03 16:53:53 -07:00
net	reuseport, bpf: add test case for bpf_get_numa_node_id	2016-10-22 17:05:52 -04:00
networking/timestamping	selftests: Move networking/timestamping from Documentation	2016-09-20 09:59:50 -06:00
nsfs	tools/testing: add a test to check nsfs ioctl-s	2016-09-22 19:59:41 -05:00
ntb	ntb_test: Add a selftest script for the NTB subsystem	2016-08-05 10:21:08 -04:00
powerpc	selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes	2016-10-06 22:26:42 +11:00
prctl	selftests: move prctl tests from Documentation/prctl	2016-09-20 09:09:09 -06:00
pstore	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
ptp	selftests: move ptp tests from Documentation/ptp	2016-09-20 09:54:38 -06:00
ptrace	add ptrace/.gitignore	2016-01-07 13:38:11 -07:00
rcutorture	torture: Inflict default jitter	2016-06-14 16:03:32 -07:00
seccomp	seccomp: add tests for ptrace hole	2016-06-14 10:54:38 -07:00
sigaltstack	signals/sigaltstack: Change SS_AUTODISARM to (1U << 31)	2016-05-04 08:34:14 +02:00
size	selftests: Set CC using CROSS_COMPILE once in lib.mk	2015-03-19 15:16:51 -06:00
static_keys	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
sysctl	selftests: Add install target	2015-03-13 15:21:56 -06:00
timers	selftests/timers: Add missing error code assignment before test	2016-09-20 09:00:28 -06:00
user	selftests: create test-specific kconfig fragments	2016-02-25 09:47:52 -07:00
vDSO	selftests: move vDSO tests from Documentation/vDSO	2016-09-20 09:58:04 -06:00
vm	selftests: expanding more mlock selftest	2016-10-07 18:46:28 -07:00
watchdog	selftests: move watchdog tests from Documentation/watchdog	2016-09-20 09:58:34 -06:00
x86	Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-10-10 11:01:51 -07:00
zram	selftests/zram: replace ZRAM_LZ4_COMPRESS	2016-09-20 09:00:01 -06:00
gen_kselftest_tar.sh	selftests: Add tool to generate kselftest tar archive	2015-03-24 08:43:19 -06:00
kselftest_install.sh	selftests: Add kselftest install tool	2015-03-24 08:43:05 -06:00
kselftest.h	kselftest: Add exit code defines	2015-05-26 15:58:08 -06:00
lib.mk	selftests: change install command to rsync	2015-09-14 16:43:51 -06:00
Makefile	bpf: add initial suite for selftests	2016-10-18 11:35:55 -04:00