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procctl: stop using SA_*LOCKED, define local enum

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Using SA_*LOCKED constants breaks !INVARIANT builds

Reported by:	cy
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2021-10-20 00:25:19 +03:00
parent 49db81aa05
commit c7f38a2df1
1 changed files with 36 additions and 26 deletions
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62
sys/kern/kern_procctl.c
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@ -705,6 +705,12 @@ pdeathsig_status(struct thread *td, struct proc *p, void *data)
return (0);
}
enum {
PCTL_SLOCKED,
PCTL_XLOCKED,
PCTL_UNLOCKED,
};
struct procctl_cmd_info {
int lock_tree;
bool one_proc : 1;
@ -718,136 +724,136 @@ struct procctl_cmd_info {
};
static const struct procctl_cmd_info procctl_cmds_info[] = {
[PROC_SPROTECT] =
{ .lock_tree = SA_SLOCKED, .one_proc = false,
{ .lock_tree = PCTL_SLOCKED, .one_proc = false,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = protect_set, .copyout_on_error = false, },
[PROC_REAP_ACQUIRE] =
{ .lock_tree = SA_XLOCKED, .one_proc = true,
{ .lock_tree = PCTL_XLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = true,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = 0,
.exec = reap_acquire, .copyout_on_error = false, },
[PROC_REAP_RELEASE] =
{ .lock_tree = SA_XLOCKED, .one_proc = true,
{ .lock_tree = PCTL_XLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = true,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = 0,
.exec = reap_release, .copyout_on_error = false, },
[PROC_REAP_STATUS] =
{ .lock_tree = SA_SLOCKED, .one_proc = true,
{ .lock_tree = PCTL_SLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0,
.copyout_sz = sizeof(struct procctl_reaper_status),
.exec = reap_status, .copyout_on_error = false, },
[PROC_REAP_GETPIDS] =
{ .lock_tree = SA_SLOCKED, .one_proc = true,
{ .lock_tree = PCTL_SLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = sizeof(struct procctl_reaper_pids),
.copyout_sz = 0,
.exec = reap_getpids, .copyout_on_error = false, },
[PROC_REAP_KILL] =
{ .lock_tree = SA_SLOCKED, .one_proc = true,
{ .lock_tree = PCTL_SLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = sizeof(struct procctl_reaper_kill),
.copyout_sz = sizeof(struct procctl_reaper_kill),
.exec = reap_kill, .copyout_on_error = true, },
[PROC_TRACE_CTL] =
{ .lock_tree = SA_SLOCKED, .one_proc = false,
{ .lock_tree = PCTL_SLOCKED, .one_proc = false,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = trace_ctl, .copyout_on_error = false, },
[PROC_TRACE_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = trace_status, .copyout_on_error = false, },
[PROC_TRAPCAP_CTL] =
{ .lock_tree = SA_SLOCKED, .one_proc = false,
{ .lock_tree = PCTL_SLOCKED, .one_proc = false,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = trapcap_ctl, .copyout_on_error = false, },
[PROC_TRAPCAP_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = trapcap_status, .copyout_on_error = false, },
[PROC_PDEATHSIG_CTL] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = true, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = pdeathsig_ctl, .copyout_on_error = false, },
[PROC_PDEATHSIG_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = true, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = pdeathsig_status, .copyout_on_error = false, },
[PROC_ASLR_CTL] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = aslr_ctl, .copyout_on_error = false, },
[PROC_ASLR_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = aslr_status, .copyout_on_error = false, },
[PROC_PROTMAX_CTL] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = protmax_ctl, .copyout_on_error = false, },
[PROC_PROTMAX_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = protmax_status, .copyout_on_error = false, },
[PROC_STACKGAP_CTL] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = stackgap_ctl, .copyout_on_error = false, },
[PROC_STACKGAP_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = stackgap_status, .copyout_on_error = false, },
[PROC_NO_NEW_PRIVS_CTL] =
{ .lock_tree = SA_SLOCKED, .one_proc = true,
{ .lock_tree = PCTL_SLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = no_new_privs_ctl, .copyout_on_error = false, },
[PROC_NO_NEW_PRIVS_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
.exec = no_new_privs_status, .copyout_on_error = false, },
[PROC_WXMAP_CTL] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = true,
.copyin_sz = sizeof(int), .copyout_sz = 0,
.exec = wxmap_ctl, .copyout_on_error = false, },
[PROC_WXMAP_STATUS] =
{ .lock_tree = SA_UNLOCKED, .one_proc = true,
{ .lock_tree = PCTL_UNLOCKED, .one_proc = true,
.esrch_is_einval = false, .no_nonnull_data = false,
.need_candebug = false,
.copyin_sz = 0, .copyout_sz = sizeof(int),
@ -915,12 +921,14 @@ kern_procctl(struct thread *td, idtype_t idtype, id_t id, int com, void *data)
return (EINVAL);
switch (cmd_info->lock_tree) {
case SA_XLOCKED:
case PCTL_XLOCKED:
sx_xlock(&proctree_lock);
break;
case SA_SLOCKED:
case PCTL_SLOCKED:
sx_slock(&proctree_lock);
break;
default:
break;
}
switch (idtype) {
@ -991,12 +999,14 @@ kern_procctl(struct thread *td, idtype_t idtype, id_t id, int com, void *data)
}
switch (cmd_info->lock_tree) {
case SA_XLOCKED:
case PCTL_XLOCKED:
sx_xunlock(&proctree_lock);
break;
case SA_SLOCKED:
case PCTL_SLOCKED:
sx_sunlock(&proctree_lock);
break;
default:
break;
}
return (error);
}