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fix parent-memory-clobber in posix_spawn (environ)
[musl]
/
src
/
env
/
__libc_start_main.c
diff --git
a/src/env/__libc_start_main.c
b/src/env/__libc_start_main.c
index
e350fdb
..
ee10b0d
100644
(file)
--- a/
src/env/__libc_start_main.c
+++ b/
src/env/__libc_start_main.c
@@
-6,6
+6,8
@@
void __init_security(size_t *);
#define AUX_CNT 38
#define AUX_CNT 38
+extern size_t __hwcap, __sysinfo;
+
void __init_libc(char **envp)
{
size_t i, *auxv, aux[AUX_CNT] = { 0 };
void __init_libc(char **envp)
{
size_t i, *auxv, aux[AUX_CNT] = { 0 };
@@
-14,6
+16,7
@@
void __init_libc(char **envp)
libc.auxv = auxv = (void *)(envp+i+1);
for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT) aux[auxv[i]] = auxv[i+1];
__hwcap = aux[AT_HWCAP];
libc.auxv = auxv = (void *)(envp+i+1);
for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT) aux[auxv[i]] = auxv[i+1];
__hwcap = aux[AT_HWCAP];
+ __sysinfo = aux[AT_SYSINFO];
__init_tls(aux);
__init_security(aux);
__init_tls(aux);
__init_security(aux);