From ead97a49ec3a3cb9b5133acbfed9a49b91ebf37c Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Wed, 10 Apr 2019 12:28:07 +0200 Subject: [PATCH] mm/kasan: Remove the ULONG_MAX stack trace hackery No architecture terminates the stack trace with ULONG_MAX anymore. Remove the cruft. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Dmitry Vyukov <dvyukov@google.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: kasan-dev@googlegroups.com Cc: linux-mm@kvack.org Link: https://lkml.kernel.org/r/20190410103644.750219625@linutronix.de --- mm/kasan/common.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 80bbe62b16cd2..38e5f20a775ad 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -74,9 +74,6 @@ static inline depot_stack_handle_t save_stack(gfp_t flags) save_stack_trace(&trace); filter_irq_stacks(&trace); - if (trace.nr_entries != 0 && - trace.entries[trace.nr_entries-1] == ULONG_MAX) - trace.nr_entries--; return depot_save_stack(&trace, flags); } -- GitLab