commit 743bc0028be46e92a46b3b5e38f1e50ee69ff284 Author: teor teor@torproject.org Date: Fri Aug 30 21:15:54 2019 +1000

backtrace: Log the Tor backtrace version whenever we log a backtrace

Previously, we just logged it in the crash handler.

Part of 31571. --- src/lib/err/backtrace.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lib/err/backtrace.c b/src/lib/err/backtrace.c index 8cca3c37e..c34eb6dfa 100644 --- a/src/lib/err/backtrace.c +++ b/src/lib/err/backtrace.c @@ -127,7 +127,7 @@ log_backtrace_impl(int severity, int domain, const char *msg, depth = backtrace(cb_buf, MAX_DEPTH); symbols = backtrace_symbols(cb_buf, (int)depth);

- logger(severity, domain, "%s. Stack trace:", msg); + logger(severity, domain, "%s: %s. Stack trace:", bt_version, msg); if (!symbols) { /* LCOV_EXCL_START -- we can't provoke this. */ logger(severity, domain, " Unable to generate backtrace."); @@ -240,7 +240,8 @@ void log_backtrace_impl(int severity, int domain, const char *msg, tor_log_fn logger) { - logger(severity, domain, "%s. (Stack trace not available)", msg); + logger(severity, domain, "%s: %s. (Stack trace not available)", + bt_version, msg); }

static int