diff options
Diffstat (limited to 'kernel/kcsan')
| -rw-r--r-- | kernel/kcsan/report.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/kernel/kcsan/report.c b/kernel/kcsan/report.c index 5232bf218ea7..88225f6d471e 100644 --- a/kernel/kcsan/report.c +++ b/kernel/kcsan/report.c @@ -600,7 +600,7 @@ static noinline bool prepare_report(unsigned long *flags, static void kcsan_report(const volatile void *ptr, size_t size, int access_type, enum kcsan_value_change value_change, - enum kcsan_report_type type, int watchpoint_idx) + enum kcsan_report_type type, struct other_info *other_info) { unsigned long flags = 0; const struct access_info ai = { @@ -610,12 +610,8 @@ static void kcsan_report(const volatile void *ptr, size_t size, int access_type, .task_pid = in_task() ? task_pid_nr(current) : -1, .cpu_id = raw_smp_processor_id() }; - struct other_info *other_info = type == KCSAN_REPORT_RACE_UNKNOWN_ORIGIN - ? NULL : &other_infos[watchpoint_idx]; kcsan_disable_current(); - if (WARN_ON(watchpoint_idx < 0 || watchpoint_idx >= ARRAY_SIZE(other_infos))) - goto out; /* * Because we may generate reports when we're in scheduler code, the use @@ -642,7 +638,6 @@ static void kcsan_report(const volatile void *ptr, size_t size, int access_type, } lockdep_on(); -out: kcsan_enable_current(); } @@ -650,18 +645,18 @@ void kcsan_report_set_info(const volatile void *ptr, size_t size, int access_typ int watchpoint_idx) { kcsan_report(ptr, size, access_type, KCSAN_VALUE_CHANGE_MAYBE, - KCSAN_REPORT_CONSUMED_WATCHPOINT, watchpoint_idx); + KCSAN_REPORT_CONSUMED_WATCHPOINT, &other_infos[watchpoint_idx]); } void kcsan_report_known_origin(const volatile void *ptr, size_t size, int access_type, enum kcsan_value_change value_change, int watchpoint_idx) { kcsan_report(ptr, size, access_type, value_change, - KCSAN_REPORT_RACE_SIGNAL, watchpoint_idx); + KCSAN_REPORT_RACE_SIGNAL, &other_infos[watchpoint_idx]); } void kcsan_report_unknown_origin(const volatile void *ptr, size_t size, int access_type) { kcsan_report(ptr, size, access_type, KCSAN_VALUE_CHANGE_TRUE, - KCSAN_REPORT_RACE_UNKNOWN_ORIGIN, 0); + KCSAN_REPORT_RACE_UNKNOWN_ORIGIN, NULL); } |