Profiling 'if' statements in __sanitizer_cov_trace_pc() leads to unbound recursion and crash:
__sanitizer_cov_trace_pc() -> ftrace_likely_update -> __sanitizer_cov_trace_pc() ... Define DISABLE_BRANCH_PROFILING to disable this tracer. Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com> Cc: Dmitry Vyukov <dvyu...@google.com> Signed-off-by: Andrew Morton <a...@linux-foundation.org> Signed-off-by: Linus Torvalds <torva...@linux-foundation.org> (cherry picked from commit 36f05ae8bce904b4c8105363e6227a79d343bda6) Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com> --- kernel/kcov.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/kcov.c b/kernel/kcov.c index f963fca..91b00e6 100644 --- a/kernel/kcov.c +++ b/kernel/kcov.c @@ -1,5 +1,6 @@ #define pr_fmt(fmt) "kcov: " fmt +#define DISABLE_BRANCH_PROFILING #include <linux/compiler.h> #include <linux/types.h> #include <linux/file.h> -- 2.7.3 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel