From 41362da47b7c570738c3fba55dae6fb42dd63b85 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Sun, 15 Jun 2014 11:35:50 +0200 Subject: tests/backtrace.c (frame_callback): Error on seeing more than 16 frames. Don't fill up the test logs with obviously bogus frames. Signed-off-by: Mark Wielaard --- tests/ChangeLog | 4 ++++ tests/backtrace.c | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/tests/ChangeLog b/tests/ChangeLog index 90a2a0ee..dce6ebe6 100644 --- a/tests/ChangeLog +++ b/tests/ChangeLog @@ -1,3 +1,7 @@ +2014-06-15 Mark Wielaard + + * backtrace.c (frame_callback): Error on seeing more than 16 frames. + 2014-06-13 Mark Wielaard * backtrace.c (callback_verify): Accept "__libc_do_syscall" as first diff --git a/tests/backtrace.c b/tests/backtrace.c index 1d3948eb..331ba0f2 100644 --- a/tests/backtrace.c +++ b/tests/backtrace.c @@ -148,6 +148,13 @@ frame_callback (Dwfl_Frame *state, void *frame_arg) int *framenop = frame_arg; Dwarf_Addr pc; bool isactivation; + + if (*framenop > 16) + { + error (0, 0, "Too many frames: %d\n", *framenop); + return DWARF_CB_ABORT; + } + if (! dwfl_frame_pc (state, &pc, &isactivation)) { error (0, 0, "%s", dwfl_errmsg (-1)); -- cgit v1.2.3