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kernel: fix secctx mem leak (#1283)

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Co-authored-by: weishu <twsxtd@gmail.com>
This commit is contained in:
Ylarod
2024-01-14 11:15:52 +08:00
committed by GitHub
parent 601ce2120a
commit 5b920f8230
1 changed files with 8 additions and 2 deletions
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10
kernel/selinux/selinux.c
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@@ -103,11 +103,14 @@ bool is_ksu_domain()
{ {
char *domain; char *domain;
u32 seclen; u32 seclen;
bool result;
int err = security_secid_to_secctx(current_sid(), &domain, &seclen); int err = security_secid_to_secctx(current_sid(), &domain, &seclen);
if (err) { if (err) {
return false; return false;
} }
return strncmp(KERNEL_SU_DOMAIN, domain, seclen) == 0; result = strncmp(KERNEL_SU_DOMAIN, domain, seclen) == 0;
security_release_secctx(domain, seclen);
return result;
} }
bool is_zygote(void *sec) bool is_zygote(void *sec)
@@ -118,9 +121,12 @@ bool is_zygote(void *sec)
} }
char *domain; char *domain;
u32 seclen; u32 seclen;
bool result;
int err = security_secid_to_secctx(tsec->sid, &domain, &seclen); int err = security_secid_to_secctx(tsec->sid, &domain, &seclen);
if (err) { if (err) {
return false; return false;
} }
return strncmp("u:r:zygote:s0", domain, seclen) == 0; result = strncmp("u:r:zygote:s0", domain, seclen) == 0;
security_release_secctx(domain, seclen);
return result;
} }