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kernel: Set the tracepoint flag in a tracepoint manner

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weishu
2025-11-06 03:57:37 +00:00
committed by ShirkNeko
parent 752ec03694
commit a30b932969
4 changed files with 35 additions and 7 deletions
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13
kernel/core_hook.c
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@@ -1,5 +1,5 @@
#include "linux/compiler.h"
#include "linux/sched/signal.h"
#include <linux/compiler.h>
#include <linux/sched/signal.h>
#include <linux/slab.h>
#include <linux/task_work.h>
#include <linux/thread_info.h>
@@ -61,6 +61,7 @@
#include "selinux/selinux.h"
#include "kernel_compat.h"
#include "supercalls.h"
#include "sucompat.h"
#include "sulog.h"
@@ -1243,7 +1244,7 @@ int ksu_handle_setuid(struct cred *new, const struct cred *old)
if (new_uid.val == 2000) {
if (ksu_su_compat_enabled) {
set_tsk_thread_flag(current, TIF_SYSCALL_TRACEPOINT);
ksu_set_task_tracepoint_flag(current);
}
}
@@ -1264,7 +1265,7 @@ int ksu_handle_setuid(struct cred *new, const struct cred *old)
spin_lock_irq(&current->sighand->siglock);
ksu_seccomp_allow_cache(current->seccomp.filter, __NR_reboot);
if (ksu_su_compat_enabled) {
set_tsk_thread_flag(current, TIF_SYSCALL_TRACEPOINT);
ksu_set_task_tracepoint_flag(current);
}
spin_unlock_irq(&current->sighand->siglock);
return 0;
@@ -1278,12 +1279,12 @@ int ksu_handle_setuid(struct cred *new, const struct cred *old)
spin_unlock_irq(&current->sighand->siglock);
}
if (ksu_su_compat_enabled) {
set_tsk_thread_flag(current, TIF_SYSCALL_TRACEPOINT);
ksu_set_task_tracepoint_flag(current);
}
} else {
// Disable syscall tracepoint sucompat for non-allowed processes
if (ksu_su_compat_enabled) {
clear_tsk_thread_flag(current, TIF_SYSCALL_TRACEPOINT);
ksu_clear_task_tracepoint_flag(current);
}
}