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kernel: refactor PR_REAL_REGS

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weishu
2024-04-26 13:25:10 +08:00
parent 425c326cb5
commit cd73307cd4
4 changed files with 12 additions and 30 deletions
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18
kernel/sucompat.c
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@@ -178,11 +178,7 @@ __maybe_unused static int faccessat_handler_pre(struct kprobe *p, struct pt_regs
static int sys_faccessat_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1(regs);
#else
struct pt_regs *real_regs = regs;
#endif
struct pt_regs *real_regs = PT_REAL_REGS(regs);
int *dfd = (int *)&PT_REGS_PARM1(real_regs);
const char __user **filename_user = (const char **)&PT_REGS_PARM2(real_regs);
int *mode = (int *)&PT_REGS_PARM3(real_regs);
@@ -207,11 +203,7 @@ __maybe_unused static int newfstatat_handler_pre(struct kprobe *p, struct pt_reg
static int sys_newfstatat_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1(regs);
#else
struct pt_regs *real_regs = regs;
#endif
struct pt_regs *real_regs = PT_REAL_REGS(regs);
int *dfd = (int *)&PT_REGS_PARM1(real_regs);
const char __user **filename_user = (const char **)&PT_REGS_PARM2(real_regs);
int *flags = (int *)&PT_REGS_SYSCALL_PARM4(real_regs);
@@ -231,11 +223,7 @@ static int execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
static int sys_execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1(regs);
#else
struct pt_regs *real_regs = regs;
#endif
struct pt_regs *real_regs = PT_REAL_REGS(regs);
const char __user **filename_user = (const char **)&PT_REGS_PARM1(real_regs);
return ksu_handle_execve_sucompat(AT_FDCWD, filename_user, NULL, NULL, NULL);