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Support building for kernel 6.14+ #2662

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Merged
merged 2 commits into from
Nov 5, 2025
Merged

Support building for kernel 6.14+ #2662

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a626a44
kernelsu: lsm: ensure the correct LSM context releaser
hmtheboy154 Jun 29, 2025
604d826
kernelsu: lsm: replace context+len with lsm_context
hmtheboy154 Jun 29, 2025
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48 changes: 37 additions & 11 deletions kernel/selinux/selinux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -86,15 +86,28 @@ static inline u32 current_sid(void)

bool is_ksu_domain()
{
char *domain;
u32 seclen;
bool result;
int err = security_secid_to_secctx(current_sid(), &domain, &seclen);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
struct lsm_context ctx;
#else
char *domain;
u32 seclen;
#endif
bool result;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
int err = security_secid_to_secctx(current_sid(), &ctx);
#else
int err = security_secid_to_secctx(current_sid(), &domain, &seclen);
#endif
if (err) {
return false;
}
result = strncmp(KERNEL_SU_DOMAIN, domain, seclen) == 0;
security_release_secctx(domain, seclen);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
result = strncmp(KERNEL_SU_DOMAIN, ctx.context, ctx.len) == 0;
security_release_secctx(&ctx);
#else
result = strncmp(KERNEL_SU_DOMAIN, domain, seclen) == 0;
security_release_secctx(domain, seclen);
#endif
return result;
}

Expand All @@ -104,15 +117,28 @@ bool is_zygote(void *sec)
if (!tsec) {
return false;
}
char *domain;
u32 seclen;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
struct lsm_context ctx;
#else
char *domain;
u32 seclen;
#endif
bool result;
int err = security_secid_to_secctx(tsec->sid, &domain, &seclen);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
int err = security_secid_to_secctx(tsec->sid, &ctx);
#else
int err = security_secid_to_secctx(tsec->sid, &domain, &seclen);
#endif
if (err) {
return false;
}
result = strncmp("u:r:zygote:s0", domain, seclen) == 0;
security_release_secctx(domain, seclen);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 14, 0)
result = strncmp("u:r:zygote:s0", ctx.context, ctx.len) == 0;
security_release_secctx(&ctx);
#else
result = strncmp("u:r:zygote:s0", domain, seclen) == 0;
security_release_secctx(domain, seclen);
#endif
return result;
}

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