utrace update
This commit is contained in:
parent
5ffd5e0783
commit
edee7cdd2d
119
git-utrace.patch
119
git-utrace.patch
@ -1,8 +1,24 @@
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Documentation/DocBook/Makefile | 2 +-
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Documentation/DocBook/utrace.tmpl | 589 +++++++++
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fs/proc/array.c | 3 +
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include/linux/ptrace.h | 3 +-
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include/linux/sched.h | 6 +
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include/linux/tracehook.h | 97 ++-
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include/linux/utrace.h | 692 +++++++++++
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init/Kconfig | 9 +
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kernel/Makefile | 2 +
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kernel/fork.c | 3 +
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kernel/ptrace-utrace.c | 1138 +++++++++++++++++
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kernel/ptrace.c | 676 +++++-----
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kernel/signal.c | 4 +-
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kernel/utrace.c | 2450 +++++++++++++++++++++++++++++++++++++
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14 files changed, 5327 insertions(+), 347 deletions(-)
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diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
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index 34929f2..884c36b 100644
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--- a/Documentation/DocBook/Makefile
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+++ b/Documentation/DocBook/Makefile
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@@ -14,7 +14,7 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
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@@ -14,7 +14,7 @@ DOCBOOKS := z8530book.xml mcabook.xml de
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genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
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mac80211.xml debugobjects.xml sh.xml regulator.xml \
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alsa-driver-api.xml writing-an-alsa-driver.xml \
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@ -13,7 +29,7 @@ index 34929f2..884c36b 100644
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# The build process is as follows (targets):
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diff --git a/Documentation/DocBook/utrace.tmpl b/Documentation/DocBook/utrace.tmpl
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new file mode 100644
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index 0000000..0c40add
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index ...0c40add 100644
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--- /dev/null
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+++ b/Documentation/DocBook/utrace.tmpl
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@@ -0,0 +1,589 @@
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@ -618,7 +634,7 @@ index fff6572..a67bd83 100644
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#include <asm/pgtable.h>
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#include <asm/processor.h>
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@@ -192,6 +193,8 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
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@@ -192,6 +193,8 @@ static inline void task_state(struct seq
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cred->uid, cred->euid, cred->suid, cred->fsuid,
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cred->gid, cred->egid, cred->sgid, cred->fsgid);
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@ -662,7 +678,7 @@ index ce160d6..66a1ec8 100644
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/* Thread group tracking */
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u32 parent_exec_id;
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u32 self_exec_id;
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@@ -2030,6 +2035,7 @@ extern int kill_pgrp(struct pid *pid, int sig, int priv);
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@@ -2030,6 +2035,7 @@ extern int kill_pgrp(struct pid *pid, in
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extern int kill_pid(struct pid *pid, int sig, int priv);
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extern int kill_proc_info(int, struct siginfo *, pid_t);
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extern int do_notify_parent(struct task_struct *, int);
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@ -691,7 +707,7 @@ index 10db010..71fa250 100644
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return (task_ptrace(task) & PT_PTRACED) != 0;
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}
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@@ -111,6 +114,9 @@ static inline void ptrace_report_syscall(struct pt_regs *regs)
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@@ -111,6 +114,9 @@ static inline void ptrace_report_syscall
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static inline __must_check int tracehook_report_syscall_entry(
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struct pt_regs *regs)
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{
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@ -701,7 +717,7 @@ index 10db010..71fa250 100644
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ptrace_report_syscall(regs);
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return 0;
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}
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@@ -134,7 +140,10 @@ static inline __must_check int tracehook_report_syscall_entry(
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@@ -134,7 +140,10 @@ static inline __must_check int tracehook
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*/
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static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
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{
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@ -713,7 +729,7 @@ index 10db010..71fa250 100644
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siginfo_t info;
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user_single_step_siginfo(current, regs, &info);
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force_sig_info(SIGTRAP, &info, current);
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@@ -156,7 +165,7 @@ static inline int tracehook_unsafe_exec(struct task_struct *task)
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@@ -156,7 +165,7 @@ static inline int tracehook_unsafe_exec(
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{
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int unsafe = 0;
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int ptrace = task_ptrace(task);
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@ -722,7 +738,7 @@ index 10db010..71fa250 100644
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if (ptrace & PT_PTRACE_CAP)
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unsafe |= LSM_UNSAFE_PTRACE_CAP;
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else
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@@ -178,7 +187,7 @@ static inline int tracehook_unsafe_exec(struct task_struct *task)
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@@ -178,7 +187,7 @@ static inline int tracehook_unsafe_exec(
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*/
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static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk)
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{
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@ -731,7 +747,7 @@ index 10db010..71fa250 100644
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return rcu_dereference(tsk->parent);
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return NULL;
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}
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@@ -201,6 +210,8 @@ static inline void tracehook_report_exec(struct linux_binfmt *fmt,
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@@ -201,6 +210,8 @@ static inline void tracehook_report_exec
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struct linux_binprm *bprm,
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struct pt_regs *regs)
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{
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@ -740,7 +756,7 @@ index 10db010..71fa250 100644
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if (!ptrace_event(PT_TRACE_EXEC, PTRACE_EVENT_EXEC, 0) &&
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unlikely(task_ptrace(current) & PT_PTRACED))
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send_sig(SIGTRAP, current, 0);
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@@ -218,10 +229,37 @@ static inline void tracehook_report_exec(struct linux_binfmt *fmt,
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@@ -218,10 +229,37 @@ static inline void tracehook_report_exec
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*/
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static inline void tracehook_report_exit(long *exit_code)
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{
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@ -778,7 +794,7 @@ index 10db010..71fa250 100644
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* tracehook_prepare_clone - prepare for new child to be cloned
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* @clone_flags: %CLONE_* flags from clone/fork/vfork system call
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*
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@@ -285,6 +323,8 @@ static inline void tracehook_report_clone(struct pt_regs *regs,
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@@ -285,6 +323,8 @@ static inline void tracehook_report_clon
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unsigned long clone_flags,
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pid_t pid, struct task_struct *child)
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{
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@ -787,7 +803,7 @@ index 10db010..71fa250 100644
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if (unlikely(task_ptrace(child))) {
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/*
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* It doesn't matter who attached/attaching to this
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@@ -317,6 +357,9 @@ static inline void tracehook_report_clone_complete(int trace,
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@@ -317,6 +357,9 @@ static inline void tracehook_report_clon
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pid_t pid,
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struct task_struct *child)
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{
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@ -797,7 +813,7 @@ index 10db010..71fa250 100644
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if (unlikely(trace))
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ptrace_event(0, trace, pid);
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}
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@@ -351,6 +394,10 @@ static inline void tracehook_report_vfork_done(struct task_struct *child,
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@@ -351,6 +394,10 @@ static inline void tracehook_report_vfor
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*/
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static inline void tracehook_prepare_release_task(struct task_struct *task)
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{
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@ -808,7 +824,7 @@ index 10db010..71fa250 100644
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}
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/**
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@@ -365,6 +412,7 @@ static inline void tracehook_prepare_release_task(struct task_struct *task)
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@@ -365,6 +412,7 @@ static inline void tracehook_prepare_rel
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static inline void tracehook_finish_release_task(struct task_struct *task)
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{
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ptrace_release_task(task);
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@ -816,7 +832,7 @@ index 10db010..71fa250 100644
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}
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/**
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@@ -386,7 +434,9 @@ static inline void tracehook_signal_handler(int sig, siginfo_t *info,
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@@ -386,7 +434,9 @@ static inline void tracehook_signal_hand
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const struct k_sigaction *ka,
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struct pt_regs *regs, int stepping)
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{
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@ -827,7 +843,7 @@ index 10db010..71fa250 100644
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ptrace_notify(SIGTRAP);
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}
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@@ -403,6 +453,8 @@ static inline void tracehook_signal_handler(int sig, siginfo_t *info,
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@@ -403,6 +453,8 @@ static inline void tracehook_signal_hand
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static inline int tracehook_consider_ignored_signal(struct task_struct *task,
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int sig)
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{
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@ -836,7 +852,7 @@ index 10db010..71fa250 100644
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return (task_ptrace(task) & PT_PTRACED) != 0;
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}
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@@ -422,6 +474,9 @@ static inline int tracehook_consider_ignored_signal(struct task_struct *task,
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@@ -422,6 +474,9 @@ static inline int tracehook_consider_ign
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static inline int tracehook_consider_fatal_signal(struct task_struct *task,
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int sig)
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{
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@ -846,7 +862,7 @@ index 10db010..71fa250 100644
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return (task_ptrace(task) & PT_PTRACED) != 0;
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}
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@@ -436,6 +491,8 @@ static inline int tracehook_consider_fatal_signal(struct task_struct *task,
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@@ -436,6 +491,8 @@ static inline int tracehook_consider_fat
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*/
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static inline int tracehook_force_sigpending(void)
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{
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@ -855,7 +871,7 @@ index 10db010..71fa250 100644
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return 0;
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}
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@@ -465,6 +522,8 @@ static inline int tracehook_get_signal(struct task_struct *task,
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@@ -465,6 +522,8 @@ static inline int tracehook_get_signal(s
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siginfo_t *info,
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struct k_sigaction *return_ka)
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{
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@ -864,7 +880,7 @@ index 10db010..71fa250 100644
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return 0;
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}
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@@ -492,7 +551,9 @@ static inline int tracehook_get_signal(struct task_struct *task,
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@@ -492,7 +551,9 @@ static inline int tracehook_get_signal(s
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*/
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static inline int tracehook_notify_jctl(int notify, int why)
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{
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@ -875,7 +891,7 @@ index 10db010..71fa250 100644
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}
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/**
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@@ -502,6 +563,8 @@ static inline int tracehook_notify_jctl(int notify, int why)
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@@ -502,6 +563,8 @@ static inline int tracehook_notify_jctl(
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*/
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static inline void tracehook_finish_jctl(void)
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{
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@ -884,7 +900,7 @@ index 10db010..71fa250 100644
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}
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#define DEATH_REAP -1
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@@ -524,6 +587,8 @@ static inline void tracehook_finish_jctl(void)
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@@ -524,6 +587,8 @@ static inline void tracehook_finish_jctl
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static inline int tracehook_notify_death(struct task_struct *task,
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void **death_cookie, int group_dead)
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{
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@ -893,7 +909,7 @@ index 10db010..71fa250 100644
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if (task_detached(task))
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return task->ptrace ? SIGCHLD : DEATH_REAP;
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@@ -560,6 +625,15 @@ static inline void tracehook_report_death(struct task_struct *task,
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@@ -560,6 +625,15 @@ static inline void tracehook_report_deat
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int signal, void *death_cookie,
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int group_dead)
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{
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@ -909,7 +925,7 @@ index 10db010..71fa250 100644
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}
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#ifdef TIF_NOTIFY_RESUME
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@@ -589,10 +663,21 @@ static inline void set_notify_resume(struct task_struct *task)
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@@ -589,10 +663,21 @@ static inline void set_notify_resume(str
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* asynchronously, this will be called again before we return to
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* user mode.
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*
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@ -934,7 +950,7 @@ index 10db010..71fa250 100644
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diff --git a/include/linux/utrace.h b/include/linux/utrace.h
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new file mode 100644
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index 0000000..f251efe
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index ...f251efe 100644
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--- /dev/null
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+++ b/include/linux/utrace.h
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@@ -0,0 +1,692 @@
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@ -1675,7 +1691,7 @@ index 98b4508..3ceff6f 100644
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free_task_struct(tsk);
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}
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EXPORT_SYMBOL(free_task);
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@@ -1008,6 +1009,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
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@@ -1008,6 +1009,8 @@ static struct task_struct *copy_process(
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if (!p)
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goto fork_out;
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@ -1686,10 +1702,10 @@ index 98b4508..3ceff6f 100644
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rt_mutex_init_task(p);
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diff --git a/kernel/ptrace-utrace.c b/kernel/ptrace-utrace.c
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new file mode 100644
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index 0000000..1a8ba5e
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index ...a90078d 100644
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--- /dev/null
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+++ b/kernel/ptrace-utrace.c
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@@ -0,0 +1,1125 @@
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@@ -0,0 +1,1138 @@
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+/*
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+ * linux/kernel/ptrace.c
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+ *
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@ -2413,26 +2429,39 @@ index 0000000..1a8ba5e
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+}
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+
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+/*
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+ * Detach all tasks we were using ptrace on.
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+ * Detach all tasks we were using ptrace on. Called with tasklist held
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+ * for writing, and returns with it held too. But note it can release
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+ * and reacquire the lock.
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+ */
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+void exit_ptrace(struct task_struct *tracer)
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+{
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+ bool locked = true;
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+
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+ for (;;) {
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+ struct task_struct *tracee = NULL;
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+
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+ read_lock(&tasklist_lock);
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+ if (!locked)
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+ read_lock(&tasklist_lock);
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+ if (!list_empty(&tracer->ptraced)) {
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+ tracee = list_first_entry(&tracer->ptraced,
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+ struct task_struct, ptrace_entry);
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+ get_task_struct(tracee);
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+ }
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+ read_unlock(&tasklist_lock);
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+ if (!locked)
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+ read_unlock(&tasklist_lock);
|
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+ if (!tracee)
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+ break;
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+
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+ if (locked) {
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+ write_unlock_irq(&tasklist_lock);
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+ locked = false;
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+ }
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+ ptrace_do_detach(tracee, -1);
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+ put_task_struct(tracee);
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+ }
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+
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+ if (!locked)
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+ write_lock_irq(&tasklist_lock);
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+}
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+
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+static int ptrace_set_options(struct task_struct *tracee,
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@ -3137,7 +3166,7 @@ index f34d798..daed9e8 100644
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/*
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* ptrace a task: make the debugger its new parent and
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* move it to the ptrace list.
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@@ -116,53 +426,6 @@ int ptrace_check_attach(struct task_struct *child, int kill)
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@@ -116,53 +426,6 @@ int ptrace_check_attach(struct task_stru
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return ret;
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}
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@ -3191,7 +3220,7 @@ index f34d798..daed9e8 100644
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int ptrace_attach(struct task_struct *task)
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{
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int retval;
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@@ -205,92 +468,41 @@ int ptrace_attach(struct task_struct *task)
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@@ -205,92 +468,41 @@ int ptrace_attach(struct task_struct *ta
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send_sig_info(SIGSTOP, SEND_SIG_FORCED, task);
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retval = 0;
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@ -3312,7 +3341,7 @@ index f34d798..daed9e8 100644
|
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}
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int ptrace_detach(struct task_struct *child, unsigned int data)
|
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@@ -352,56 +564,6 @@ void exit_ptrace(struct task_struct *tracer)
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@@ -352,56 +564,6 @@ void exit_ptrace(struct task_struct *tra
|
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write_lock_irq(&tasklist_lock);
|
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}
|
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|
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@ -3369,15 +3398,7 @@ index f34d798..daed9e8 100644
|
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static int ptrace_setoptions(struct task_struct *child, long data)
|
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{
|
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child->ptrace &= ~PT_TRACE_MASK;
|
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@@ -462,7 +624,6 @@ static int ptrace_setsiginfo(struct task_struct *child, const siginfo_t *info)
|
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return error;
|
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}
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|
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-
|
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#ifdef PTRACE_SINGLESTEP
|
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#define is_singlestep(request) ((request) == PTRACE_SINGLESTEP)
|
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#else
|
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@@ -516,47 +677,6 @@ static int ptrace_resume(struct task_struct *child, long request, long data)
|
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@@ -516,47 +677,6 @@ static int ptrace_resume(struct task_str
|
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return 0;
|
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}
|
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|
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@ -3425,7 +3446,7 @@ index f34d798..daed9e8 100644
|
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int ptrace_request(struct task_struct *child, long request,
|
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long addr, long data)
|
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{
|
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@@ -672,88 +792,7 @@ int ptrace_request(struct task_struct *child, long request,
|
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@@ -672,88 +792,7 @@ int ptrace_request(struct task_struct *c
|
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return ret;
|
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}
|
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|
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@ -3514,7 +3535,7 @@ index f34d798..daed9e8 100644
|
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int compat_ptrace_request(struct task_struct *child, compat_long_t request,
|
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compat_ulong_t addr, compat_ulong_t data)
|
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{
|
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@@ -831,42 +870,5 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request,
|
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@@ -831,42 +870,5 @@ int compat_ptrace_request(struct task_st
|
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return ret;
|
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}
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@ -3562,7 +3583,7 @@ diff --git a/kernel/signal.c b/kernel/signal.c
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index bded651..6d13d9f 100644
|
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--- a/kernel/signal.c
|
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+++ b/kernel/signal.c
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@@ -1521,7 +1521,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
|
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@@ -1521,7 +1521,7 @@ int do_notify_parent(struct task_struct
|
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return ret;
|
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}
|
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|
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@ -3582,7 +3603,7 @@ index bded651..6d13d9f 100644
|
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ptrace_signal_deliver(regs, cookie);
|
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diff --git a/kernel/utrace.c b/kernel/utrace.c
|
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new file mode 100644
|
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index 0000000..4d61096
|
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index ...fd21b7b 100644
|
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--- /dev/null
|
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+++ b/kernel/utrace.c
|
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@@ -0,0 +1,2450 @@
|
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@ -5110,7 +5131,7 @@ index 0000000..4d61096
|
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+ smp_rmb();
|
||||
+ ops = engine->ops;
|
||||
+
|
||||
+ if (want & UTRACE_EVENT(QUIESCE)) {
|
||||
+ if ((want & UTRACE_EVENT(QUIESCE)) || ops == &utrace_detached_ops) {
|
||||
+ if (finish_callback(task, utrace, report, engine,
|
||||
+ (*ops->report_quiesce)(report->action,
|
||||
+ engine, event)))
|
||||
@ -5131,7 +5152,7 @@ index 0000000..4d61096
|
||||
+ if (want & ENGINE_STOP)
|
||||
+ report->action = UTRACE_STOP;
|
||||
+
|
||||
+ if (want & event) {
|
||||
+ if (want & (event ?: UTRACE_EVENT(QUIESCE))) {
|
||||
+ report->spurious = false;
|
||||
+ return ops;
|
||||
+ }
|
||||
|
@ -51,7 +51,7 @@ Summary: The Linux kernel
|
||||
# For non-released -rc kernels, this will be prepended with "0.", so
|
||||
# for example a 3 here will become 0.3
|
||||
#
|
||||
%global baserelease 7
|
||||
%global baserelease 8
|
||||
%global fedora_build %{baserelease}
|
||||
|
||||
# base_sublevel is the kernel version we're starting with and patching
|
||||
@ -1105,7 +1105,7 @@ ApplyOptionalPatch linux-2.6-upstream-reverts.patch -R
|
||||
ApplyPatch linux-2.6-hotfixes.patch
|
||||
|
||||
# Roland's utrace ptrace replacement.
|
||||
#ApplyPatch git-utrace.patch
|
||||
ApplyPatch git-utrace.patch
|
||||
|
||||
# Architecture patches
|
||||
# x86(-64)
|
||||
@ -1861,6 +1861,9 @@ fi
|
||||
# || ||
|
||||
|
||||
%changelog
|
||||
* Mon Aug 23 2010 Roland McGrath <roland@redhat.com> - 2.6.36-0.8.rc2.git0
|
||||
- utrace update
|
||||
|
||||
* Sun Aug 22 2010 Chuck Ebbert <cebbert@redhat.com> - 2.6.36-0.7.rc2.git0
|
||||
- Linux 2.6.36-rc2
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user