mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-10-29 21:58:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

cpu: change _cpu()->thread calls to current_thread() to fix smp race

Browse Source
This commit is contained in:
Matheus
2024-09-15 17:47:26 -03:00
parent d1c0f2a5fd
commit e058d62261
65 changed files with 196 additions and 190 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/sys/syscalls/execve.c
+4 -4
View File
@@ -177,7 +177,7 @@ static syscallret_t execve(context_t *context, char *upath, char *uargv[], char
if (ret.errno)
goto error;
ret.errno = VOP_ACCESS(node, V_ACCESS_EXECUTE, &_cpu()->thread->proc->cred);
ret.errno = VOP_ACCESS(node, V_ACCESS_EXECUTE, &current_thread()->proc->cred);
VOP_UNLOCK(node);
if (ret.errno) {
goto error;
@@ -277,13 +277,13 @@ static syscallret_t execve(context_t *context, char *upath, char *uargv[], char
// close O_CLOEXEC fds
proc_t *proc = _cpu()->thread->proc;
proc_t *proc = current_thread()->proc;
for (int fd = 0; fd < proc->fdcount; ++fd) {
if (proc->fd[fd].flags & O_CLOEXEC)
fd_close(fd);
}
memset(&_cpu()->thread->signals.stack, 0, sizeof(stack_t));
memset(&current_thread()->signals.stack, 0, sizeof(stack_t));
// execve keeps information about ignored signals
for (int i = 1; i < NSIG; ++i) {
@@ -306,7 +306,7 @@ static syscallret_t execve(context_t *context, char *upath, char *uargv[], char
if (vattr.mode & V_ATTR_MODE_SGID)
sgid = vattr.gid;
cred_doexec(&_cpu()->thread->proc->cred, suid, sgid);
cred_doexec(&current_thread()->proc->cred, suid, sgid);
error:
free(path);