diff options
| -rw-r--r-- | include/trace/events/task.h | 37 | ||||
| -rw-r--r-- | kernel/sys.c | 3 |
2 files changed, 40 insertions, 0 deletions
diff --git a/include/trace/events/task.h b/include/trace/events/task.h index 47b527464d1a..209d315852fb 100644 --- a/include/trace/events/task.h +++ b/include/trace/events/task.h @@ -56,6 +56,43 @@ TRACE_EVENT(task_rename, __entry->newcomm, __entry->oom_score_adj) ); +/** + * task_prctl_unknown - called on unknown prctl() option + * @option: option passed + * @arg2: arg2 passed + * @arg3: arg3 passed + * @arg4: arg4 passed + * @arg5: arg5 passed + * + * Called on an unknown prctl() option. + */ +TRACE_EVENT(task_prctl_unknown, + + TP_PROTO(int option, unsigned long arg2, unsigned long arg3, + unsigned long arg4, unsigned long arg5), + + TP_ARGS(option, arg2, arg3, arg4, arg5), + + TP_STRUCT__entry( + __field( int, option) + __field( unsigned long, arg2) + __field( unsigned long, arg3) + __field( unsigned long, arg4) + __field( unsigned long, arg5) + ), + + TP_fast_assign( + __entry->option = option; + __entry->arg2 = arg2; + __entry->arg3 = arg3; + __entry->arg4 = arg4; + __entry->arg5 = arg5; + ), + + TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld", + __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5) +); + #endif /* This part must be outside protection */ diff --git a/kernel/sys.c b/kernel/sys.c index c4c701c6f0b4..cb366ff8703a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -75,6 +75,8 @@ #include <asm/io.h> #include <asm/unistd.h> +#include <trace/events/task.h> + #include "uid16.h" #ifndef SET_UNALIGN_CTL @@ -2810,6 +2812,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, error = arch_lock_shadow_stack_status(me, arg2); break; default: + trace_task_prctl_unknown(option, arg2, arg3, arg4, arg5); error = -EINVAL; break; } |