diff options
Diffstat (limited to 'runtime/stack-i386.c')
| -rw-r--r-- | runtime/stack-i386.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/runtime/stack-i386.c b/runtime/stack-i386.c index 20c8eda5..78f89b0d 100644 --- a/runtime/stack-i386.c +++ b/runtime/stack-i386.c @@ -17,7 +17,8 @@ static int _stp_valid_stack_ptr(unsigned long context, unsigned long p) static void _stp_stack_print_fallback(unsigned long context, unsigned long stack, int verbose) { unsigned long addr; - while (_stp_valid_stack_ptr(context, stack)) { + while (_stp_valid_stack_ptr(context, stack) && + !_stp_pbuf_full()) { if (unlikely(_stp_read_address(addr, (unsigned long *)stack, KERNEL_DS))) { /* cannot access stack. give up. */ return; @@ -42,7 +43,8 @@ static void __stp_stack_print (struct pt_regs *regs, int verbose, int levels) unsigned long ebp = regs->ebp; #endif /* STAPCONF_X86_UNIREGS */ - while (_stp_valid_stack_ptr(context, (unsigned long)ebp)) { + while (_stp_valid_stack_ptr(context, (unsigned long)ebp) && + !_stp_pbuf_full()) { if (unlikely(_stp_read_address(addr, (unsigned long *)(ebp + 4), KERNEL_DS))) { /* cannot access stack. give up. */ return; @@ -59,7 +61,8 @@ static void __stp_stack_print (struct pt_regs *regs, int verbose, int levels) struct unwind_frame_info info; arch_unw_init_frame_info(&info, regs); - while (!arch_unw_user_mode(&info)) { + while (!arch_unw_user_mode(&info) && + !_stp_pbuf_full ()) { int ret = unwind(&info); dbug_unwind(1, "ret=%d PC=%lx SP=%lx\n", ret, UNW_PC(&info), UNW_SP(&info)); if (ret == 0) { |