diff options
Diffstat (limited to 'kernel/trace/trace_stack.c')
| -rw-r--r-- | kernel/trace/trace_stack.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 3f34496244e9..20769e5fd57b 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -143,7 +143,11 @@ check_stack(unsigned long ip, unsigned long *stack) p = start; for (; p < top && i < max_stack_trace.nr_entries; p++) { - if (*p == stack_dump_trace[i]) { + /* + * The READ_ONCE_NOCHECK is used to let KASAN know that + * this is not a stack-out-of-bounds error. + */ + if ((READ_ONCE_NOCHECK(*p)) == stack_dump_trace[i]) { this_size = stack_dump_index[i++] = (top - p) * sizeof(unsigned long); found = 1; |