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userns: On ia64 deal with current_uid and current_gid being kuid and kgid

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These ia64 uses of current_uid and current_gid slipped through the
cracks when I was converting everything to kuids and kgids convert
them now.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-08-07 04:02:41 -07:00
parent 9e184e0aa3
commit 6c1ee03359
3 changed files with 19 additions and 18 deletions
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3
arch/ia64/kernel/mca_drv.c
View File

@ -158,7 +158,8 @@ mca_handler_bh(unsigned long paddr, void *iip, unsigned long ipsr)
ia64_mlogbuf_dump();
printk(KERN_ERR "OS_MCA: process [cpu %d, pid: %d, uid: %d, "
"iip: %p, psr: 0x%lx,paddr: 0x%lx](%s) encounters MCA.\n",
raw_smp_processor_id(), current->pid, current_uid(),
raw_smp_processor_id(), current->pid,
from_kuid(&init_user_ns, current_uid()),
iip, ipsr, paddr, current->comm);
spin_lock(&mca_bh_lock);

30
arch/ia64/kernel/perfmon.c
View File

@ -2380,8 +2380,8 @@ static int
pfm_bad_permissions(struct task_struct *task)
{
const struct cred *tcred;
uid_t uid = current_uid();
gid_t gid = current_gid();
kuid_t uid = current_uid();
kgid_t gid = current_gid();
int ret;
rcu_read_lock();
@ -2389,20 +2389,20 @@ pfm_bad_permissions(struct task_struct *task)
/* inspired by ptrace_attach() */
DPRINT(("cur: uid=%d gid=%d task: euid=%d suid=%d uid=%d egid=%d sgid=%d\n",
uid,
gid,
tcred->euid,
tcred->suid,
tcred->uid,
tcred->egid,
tcred->sgid));
from_kuid(&init_user_ns, uid),
from_kgid(&init_user_ns, gid),
from_kuid(&init_user_ns, tcred->euid),
from_kuid(&init_user_ns, tcred->suid),
from_kuid(&init_user_ns, tcred->uid),
from_kgid(&init_user_ns, tcred->egid),
from_kgid(&init_user_ns, tcred->sgid)));
ret = ((uid != tcred->euid)
|| (uid != tcred->suid)
|| (uid != tcred->uid)
|| (gid != tcred->egid)
|| (gid != tcred->sgid)
|| (gid != tcred->gid)) && !capable(CAP_SYS_PTRACE);
ret = ((!uid_eq(uid, tcred->euid))
|| (!uid_eq(uid, tcred->suid))
|| (!uid_eq(uid, tcred->uid))
|| (!gid_eq(gid, tcred->egid))
|| (!gid_eq(gid, tcred->sgid))
|| (!gid_eq(gid, tcred->gid))) && !capable(CAP_SYS_PTRACE);
rcu_read_unlock();
return ret;

4
arch/ia64/kernel/signal.c
View File

@ -220,7 +220,7 @@ ia64_rt_sigreturn (struct sigscratch *scr)
si.si_errno = 0;
si.si_code = SI_KERNEL;
si.si_pid = task_pid_vnr(current);
si.si_uid = current_uid();
si.si_uid = from_kuid_munged(current_user_ns(), current_uid());
si.si_addr = sc;
force_sig_info(SIGSEGV, &si, current);
return retval;
@ -317,7 +317,7 @@ force_sigsegv_info (int sig, void __user *addr)
si.si_errno = 0;
si.si_code = SI_KERNEL;
si.si_pid = task_pid_vnr(current);
si.si_uid = current_uid();
si.si_uid = from_kuid_munged(current_user_ns(), current_uid());
si.si_addr = addr;
force_sig_info(SIGSEGV, &si, current);
return 0;