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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-06 10:31:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-06 10:31:36 -0800
commit8dcd175bc3d50b78413c56d5b17d4bddd77412ef (patch)
tree2c2fb25759b43f2e73830f07ef3b444d76825280 /scripts
parentMerge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff)
parenttools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include (diff)
downloadlinux-dev-8dcd175bc3d50b78413c56d5b17d4bddd77412ef.tar.xz
linux-dev-8dcd175bc3d50b78413c56d5b17d4bddd77412ef.zip
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: - a few misc things - ocfs2 updates - most of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (159 commits) tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include proc: more robust bulk read test proc: test /proc/*/maps, smaps, smaps_rollup, statm proc: use seq_puts() everywhere proc: read kernel cpu stat pointer once proc: remove unused argument in proc_pid_lookup() fs/proc/thread_self.c: code cleanup for proc_setup_thread_self() fs/proc/self.c: code cleanup for proc_setup_self() proc: return exit code 4 for skipped tests mm,mremap: bail out earlier in mremap_to under map pressure mm/sparse: fix a bad comparison mm/memory.c: do_fault: avoid usage of stale vm_area_struct writeback: fix inode cgroup switching comment mm/huge_memory.c: fix "orig_pud" set but not used mm/hotplug: fix an imbalance with DEBUG_PAGEALLOC mm/memcontrol.c: fix bad line in comment mm/cma.c: cma_declare_contiguous: correct err handling mm/page_ext.c: fix an imbalance with kmemleak mm/compaction: pass pgdat to too_many_isolated() instead of zone mm: remove zone_lru_lock() function, access ->lru_lock directly ...
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.kasan5
-rwxr-xr-xscripts/decode_stacktrace.sh9
-rw-r--r--scripts/gcc-plugins/Kconfig4
3 files changed, 8 insertions, 10 deletions
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 6deabedc67fc..6410bd22fe38 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -27,14 +27,9 @@ else
$(call cc-param,asan-globals=1) \
$(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
$(call cc-param,asan-stack=$(CONFIG_KASAN_STACK)) \
- $(call cc-param,asan-use-after-scope=1) \
$(call cc-param,asan-instrument-allocas=1)
endif
-ifdef CONFIG_KASAN_EXTRA
-CFLAGS_KASAN += $(call cc-option, -fsanitize-address-use-after-scope)
-endif
-
endif # CONFIG_KASAN_GENERIC
ifdef CONFIG_KASAN_SW_TAGS
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 98a7d63a723e..bcdd45df3f51 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -37,6 +37,13 @@ parse_symbol() {
symbol=${symbol#\(}
symbol=${symbol%\)}
+ # Strip segment
+ local segment
+ if [[ $symbol == *:* ]] ; then
+ segment=${symbol%%:*}:
+ symbol=${symbol#*:}
+ fi
+
# Strip the symbol name so that we could look it up
local name=${symbol%+*}
@@ -84,7 +91,7 @@ parse_symbol() {
code=${code//$'\n'/' '}
# Replace old address with pretty line numbers
- symbol="$name ($code)"
+ symbol="$segment$name ($code)"
}
decode_code() {
diff --git a/scripts/gcc-plugins/Kconfig b/scripts/gcc-plugins/Kconfig
index d45f7f36b859..d9fd9988ef27 100644
--- a/scripts/gcc-plugins/Kconfig
+++ b/scripts/gcc-plugins/Kconfig
@@ -68,10 +68,6 @@ config GCC_PLUGIN_LATENT_ENTROPY
config GCC_PLUGIN_STRUCTLEAK
bool "Force initialization of variables containing userspace addresses"
- # Currently STRUCTLEAK inserts initialization out of live scope of
- # variables from KASAN point of view. This leads to KASAN false
- # positive reports. Prohibit this combination for now.
- depends on !KASAN_EXTRA
help
This plugin zero-initializes any structures containing a
__user attribute. This can prevent some classes of information