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authorIngo Molnar <mingo@kernel.org>2014-04-14 16:44:42 +0200
committerIngo Molnar <mingo@kernel.org>2014-04-14 16:44:42 +0200
commit740c699a8d316c8bf8593f19e2ca47795e690622 (patch)
treea78886955770a477945c5d84e06b2e7678733b54 /kernel/trace/trace_stack.c
parente69af4657e7764d03ad555f0b583d9c4217bcefa (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into perf/urgent
Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index e6be585cf06..21b320e5d16 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -13,6 +13,7 @@
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/fs.h>
+#include <linux/magic.h>
#include <asm/setup.h>
@@ -144,6 +145,8 @@ check_stack(unsigned long ip, unsigned long *stack)
i++;
}
+ BUG_ON(current != &init_task &&
+ *(end_of_stack(current)) != STACK_END_MAGIC);
out:
arch_spin_unlock(&max_stack_lock);
local_irq_restore(flags);