mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-10-31 22:48:21 +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/fchownat.c
+3 -3
View File
@@ -50,14 +50,14 @@ syscallret_t syscall_fchownat(context_t *, int fd, char *upath, uid_t owner, gid
goto cleanup;
}
ret.errno = auth_filesystem_check(&_cpu()->thread->proc->cred, AUTH_ACTIONS_FILESYSTEM_SETATTR, node, NULL);
ret.errno = auth_filesystem_check(&current_thread()->proc->cred, AUTH_ACTIONS_FILESYSTEM_SETATTR, node, NULL);
if (ret.errno) {
VOP_UNLOCK(node);
goto cleanup;
}
vattr_t attr;
ret.errno = VOP_GETATTR(node, &attr, &_cpu()->thread->proc->cred);
ret.errno = VOP_GETATTR(node, &attr, &current_thread()->proc->cred);
if (ret.errno) {
VOP_UNLOCK(node);
goto cleanup;
@@ -67,7 +67,7 @@ syscallret_t syscall_fchownat(context_t *, int fd, char *upath, uid_t owner, gid
attr.gid = group;
attr.mode = (attr.mode) & ~(V_ATTR_MODE_SGID | V_ATTR_MODE_SUID);
ret.errno = VOP_SETATTR(node, &attr, ((owner == -1) ? 0 : V_ATTR_UID) | ((group == -1) ? 0 : V_ATTR_GID) | ((group + owner == -2) ? 0 : V_ATTR_MODE), &_cpu()->thread->proc->cred);
ret.errno = VOP_SETATTR(node, &attr, ((owner == -1) ? 0 : V_ATTR_UID) | ((group == -1) ? 0 : V_ATTR_GID) | ((group + owner == -2) ? 0 : V_ATTR_MODE), &current_thread()->proc->cred);
ret.ret = ret.errno ? -1 : 0;
VOP_UNLOCK(node);