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- Recommit the securelevel_gt() calls removed by commits rev. 1.84 of

Browse Source 
kern_linker.c and rev. 1.237 of vfs_syscalls.c since these are not the
  source of the recent panics occuring around kldloading file system
  support modules.

Requested by: rwatson
This commit is contained in:
Andrew R. Reiter 2002-03-25 18:26:34 +00:00
parent 565d58edd2
commit 517f30c2c1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=93159
3 changed files with 16 additions and 6 deletions
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12
sys/kern/kern_linker.c
View File

@ -698,11 +698,11 @@ kldload(struct thread *td, struct kldload_args *uap)
td->td_retval[0] = -1;
if (securelevel > 0) /* redundant, but that's OK */
return (EPERM);
mtx_lock(&Giant);
if ((error = securelevel_gt(td->td_ucred, 0)) != 0)
goto out;
if ((error = suser_xxx(td->td_ucred, NULL, 0)) != 0)
goto out;
@ -745,11 +745,11 @@ kldunload(struct thread *td, struct kldunload_args *uap)
linker_file_t lf;
int error = 0;
if (securelevel > 0) /* redundant, but that's OK */
return (EPERM);
mtx_lock(&Giant);
if ((error = securelevel_gt(td->td_ucred, 0)) != 0)
goto out;
if ((error = suser_xxx(td->td_ucred, NULL, 0)) != 0)
goto out;

5
sys/kern/vfs_extattr.c
View File

@ -307,6 +307,11 @@ vfs_mount(td, fstype, fspath, fsflags, fsdata)
vput(vp);
return error;
}
error = securelevel_gt(td->td_ucred, 0);
if (error != 0) {
vput(vp);
return (EPERM);
}
error = linker_load_file(fstype, &lf);
if (error || lf == NULL) {
vput(vp);

5
sys/kern/vfs_syscalls.c
View File

@ -307,6 +307,11 @@ vfs_mount(td, fstype, fspath, fsflags, fsdata)
vput(vp);
return error;
}
error = securelevel_gt(td->td_ucred, 0);
if (error != 0) {
vput(vp);
return (EPERM);
}
error = linker_load_file(fstype, &lf);
if (error || lf == NULL) {
vput(vp);