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kernel: Syncronize upstream changes (#198)

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* Cherry-picked range: (kernel)
ebea31daa8..6915b62b9a

* Also merged unmerged pr:
https://github.com/tiann/KernelSU/pull/ 2909

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Co-authored-by: u9521 <63995396+u9521@users.noreply.github.com>
Co-authored-by: Wang Han <416810799@qq.com>
This commit is contained in:
fc5b87cf
2025-11-17 18:21:29 +07:00
committed by ShirkNeko
parent edeff936ce
commit c93cf58f48
40 changed files with 2550 additions and 2194 deletions
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17
kernel/selinux/selinux.c
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@@ -59,6 +59,7 @@ is_ksu_transition(const struct task_security_struct *old_tsec,
}
#endif
void setup_selinux(const char *domain)
{
if (transive_to_domain(domain)) {
@@ -106,7 +107,7 @@ static int __security_secid_to_secctx(u32 secid, struct lsm_context *cp)
}
static void __security_release_secctx(struct lsm_context *cp)
{
return security_release_secctx(cp->context, cp->len);
security_release_secctx(cp->context, cp->len);
}
#else
#define __security_secid_to_secctx security_secid_to_secctx
@@ -139,7 +140,7 @@ bool is_ksu_domain(void)
return is_task_ksu_domain(current_cred());
}
bool is_zygote(const struct cred *cred)
bool is_context(const struct cred *cred, const char *context)
{
if (!cred) {
return false;
@@ -154,11 +155,21 @@ bool is_zygote(const struct cred *cred)
if (err) {
return false;
}
result = strncmp("u:r:zygote:s0", ctx.context, ctx.len) == 0;
result = strncmp(context, ctx.context, ctx.len) == 0;
__security_release_secctx(&ctx);
return result;
}
bool is_zygote(const struct cred *cred)
{
return is_context(cred, "u:r:zygote:s0");
}
bool is_init(const struct cred *cred)
{
return is_context(cred, "u:r:init:s0");
}
#define KSU_FILE_DOMAIN "u:object_r:ksu_file:s0"
u32 ksu_get_ksu_file_sid(void)