diff options
-rw-r--r-- | include/linux/ptrace.h | 5 | ||||
-rw-r--r-- | kernel/ptrace.c | 15 |
2 files changed, 1 insertions, 19 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 30be18064df..407c678d2e3 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -51,9 +51,6 @@ #define PTRACE_INTERRUPT 0x4207 #define PTRACE_LISTEN 0x4208 -/* flags in @data for PTRACE_SEIZE */ -#define PTRACE_SEIZE_DEVEL 0x80000000 /* temp flag for development */ - /* Wait extended result codes for the above trace options. */ #define PTRACE_EVENT_FORK 1 #define PTRACE_EVENT_VFORK 2 @@ -64,7 +61,7 @@ /* Extended result codes which enabled by means other than options. */ #define PTRACE_EVENT_STOP 128 -/* options set using PTRACE_SETOPTIONS */ +/* Options set using PTRACE_SETOPTIONS or using PTRACE_SEIZE @data param */ #define PTRACE_O_TRACESYSGOOD 1 #define PTRACE_O_TRACEFORK (1 << PTRACE_EVENT_FORK) #define PTRACE_O_TRACEVFORK (1 << PTRACE_EVENT_VFORK) diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 4661c5bc07e..ee8d49b9c30 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -237,25 +237,10 @@ static int ptrace_attach(struct task_struct *task, long request, bool seize = (request == PTRACE_SEIZE); int retval; - /* - * SEIZE will enable new ptrace behaviors which will be implemented - * gradually. SEIZE_DEVEL bit is used to prevent applications - * expecting full SEIZE behaviors trapping on kernel commits which - * are still in the process of implementing them. - * - * Only test programs for new ptrace behaviors being implemented - * should set SEIZE_DEVEL. If unset, SEIZE will fail with -EIO. - * - * Once SEIZE behaviors are completely implemented, this flag - * will be removed. - */ retval = -EIO; if (seize) { if (addr != 0) goto out; - if (!(flags & PTRACE_SEIZE_DEVEL)) - goto out; - flags &= ~(unsigned long)PTRACE_SEIZE_DEVEL; if (flags & ~(unsigned long)PTRACE_O_MASK) goto out; flags = PT_PTRACED | PT_SEIZED | (flags << PT_OPT_FLAG_SHIFT); |