jayji pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=e835a02ebbba3ef721f44f19c2a6a0720123e9bc
commit e835a02ebbba3ef721f44f19c2a6a0720123e9bc Author: Jean Guyomarc'h <[email protected]> Date: Tue Dec 19 16:33:18 2017 +0100 eina: fix random segfaults when displaying BT Under some circumstances, eina crashes when attempting to display the backtrace, because dladdr() may yield a dli_fname that is NULL. This is especially annoying in realease, when the backtrace is shown by default when CRI/ERR are thrown. @fix --- src/lib/eina/eina_debug_bt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lib/eina/eina_debug_bt.c b/src/lib/eina/eina_debug_bt.c index c9bf23c541..21b067c395 100644 --- a/src/lib/eina/eina_debug_bt.c +++ b/src/lib/eina/eina_debug_bt.c @@ -67,7 +67,7 @@ _eina_debug_dump_fhandle_bt(FILE *f, void **bt, int btlen) offset = base = 0; // we have little choice but to hope/assume dladdr() doesn't alloc // anything here - if ((dladdr(bt[i], &info)) && (info.dli_fname[0])) + if ((dladdr(bt[i], &info)) && (info.dli_fname) && (info.dli_fname[0])) { offset = (unsigned long long)(uintptr_t)bt[i]; base = (unsigned long long)(uintptr_t)info.dli_fbase; --
