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-rw-r--r--arch/alpha/kernel/asm-offsets.c11
-rw-r--r--arch/alpha/kernel/entry.S10
-rw-r--r--arch/ia64/ia32/sys_ia32.c7
-rw-r--r--arch/ia64/kernel/mca_drv.c2
-rw-r--r--arch/ia64/kernel/perfmon.c43
-rw-r--r--arch/ia64/kernel/signal.c4
-rw-r--r--arch/mips/kernel/kspd.c4
-rw-r--r--arch/mips/kernel/mips-mt-fpaff.c5
-rw-r--r--arch/mips/kernel/vpe.c4
-rw-r--r--arch/parisc/kernel/signal.c2
-rw-r--r--arch/powerpc/mm/fault.c2
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c8
-rw-r--r--arch/s390/hypfs/inode.c4
-rw-r--r--arch/s390/kernel/compat_linux.c28
-rw-r--r--arch/um/drivers/mconsole_kern.c3
-rw-r--r--arch/x86/ia32/ia32_aout.c2
-rw-r--r--arch/x86/mm/fault.c2
17 files changed, 79 insertions, 62 deletions
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index 4b18cd94d59..6ff8886e7e2 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -19,15 +19,18 @@ void foo(void)
BLANK();
DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
- DEFINE(TASK_UID, offsetof(struct task_struct, uid));
- DEFINE(TASK_EUID, offsetof(struct task_struct, euid));
- DEFINE(TASK_GID, offsetof(struct task_struct, gid));
- DEFINE(TASK_EGID, offsetof(struct task_struct, egid));
+ DEFINE(TASK_CRED, offsetof(struct task_struct, cred));
DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent));
DEFINE(TASK_GROUP_LEADER, offsetof(struct task_struct, group_leader));
DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
BLANK();
+ DEFINE(CRED_UID, offsetof(struct cred, uid));
+ DEFINE(CRED_EUID, offsetof(struct cred, euid));
+ DEFINE(CRED_GID, offsetof(struct cred, gid));
+ DEFINE(CRED_EGID, offsetof(struct cred, egid));
+ BLANK();
+
DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
DEFINE(PT_PTRACED, PT_PTRACED);
DEFINE(CLONE_VM, CLONE_VM);
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index 5fc61e281ac..f77345bc66a 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -850,8 +850,9 @@ osf_getpriority:
sys_getxuid:
.prologue 0
ldq $2, TI_TASK($8)
- ldl $0, TASK_UID($2)
- ldl $1, TASK_EUID($2)
+ ldq $3, TASK_CRED($2)
+ ldl $0, CRED_UID($3)
+ ldl $1, CRED_EUID($3)
stq $1, 80($sp)
ret
.end sys_getxuid
@@ -862,8 +863,9 @@ sys_getxuid:
sys_getxgid:
.prologue 0
ldq $2, TI_TASK($8)
- ldl $0, TASK_GID($2)
- ldl $1, TASK_EGID($2)
+ ldq $3, TASK_CRED($2)
+ ldl $0, CRED_GID($3)
+ ldl $1, CRED_EGID($3)
stq $1, 80($sp)
ret
.end sys_getxgid
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 5e92ae00bdb..16ef61a91d9 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1767,25 +1767,24 @@ groups16_from_user(struct group_info *group_info, short __user *grouplist)
asmlinkage long
sys32_getgroups16 (int gidsetsize, short __user *grouplist)
{
+ const struct cred *cred = current_cred();
int i;
if (gidsetsize < 0)
return -EINVAL;
- get_group_info(current->group_info);
- i = current->group_info->ngroups;
+ i = cred->group_info->ngroups;
if (gidsetsize) {
if (i > gidsetsize) {
i = -EINVAL;
goto out;
}
- if (groups16_to_user(grouplist, current->group_info)) {
+ if (groups16_to_user(grouplist, cred->group_info)) {
i = -EFAULT;
goto out;
}
}
out:
- put_group_info(current->group_info);
return i;
}
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index fab1d21a4f2..f94aaa86933 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -158,7 +158,7 @@ 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, current_uid(),
iip, ipsr, paddr, current->comm);
spin_lock(&mca_bh_lock);
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 6543a5547c8..0e499757309 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2220,8 +2220,8 @@ pfm_alloc_file(pfm_context_t *ctx)
DPRINT(("new inode ino=%ld @%p\n", inode->i_ino, inode));
inode->i_mode = S_IFCHR|S_IRUGO;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
sprintf(name, "[%lu]", inode->i_ino);
this.name = name;
@@ -2399,22 +2399,33 @@ error_kmem:
static int
pfm_bad_permissions(struct task_struct *task)
{
+ const struct cred *tcred;
+ uid_t uid = current_uid();
+ gid_t gid = current_gid();
+ int ret;
+
+ rcu_read_lock();
+ tcred = __task_cred(task);
+
/* inspired by ptrace_attach() */
DPRINT(("cur: uid=%d gid=%d task: euid=%d suid=%d uid=%d egid=%d sgid=%d\n",
- current->uid,
- current->gid,
- task->euid,
- task->suid,
- task->uid,
- task->egid,
- task->sgid));
-
- return ((current->uid != task->euid)
- || (current->uid != task->suid)
- || (current->uid != task->uid)
- || (current->gid != task->egid)
- || (current->gid != task->sgid)
- || (current->gid != task->gid)) && !capable(CAP_SYS_PTRACE);
+ uid,
+ gid,
+ tcred->euid,
+ tcred->suid,
+ tcred->uid,
+ tcred->egid,
+ 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);
+
+ rcu_read_unlock();
+ return ret;
}
static int
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index e12500a9c44..e1821ca4c7d 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -229,7 +229,7 @@ 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 = current_uid();
si.si_addr = sc;
force_sig_info(SIGSEGV, &si, current);
return retval;
@@ -326,7 +326,7 @@ 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 = current_uid();
si.si_addr = addr;
force_sig_info(SIGSEGV, &si, current);
return 0;
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index b0591ae0ce5..fd6e5122403 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -174,8 +174,8 @@ static unsigned int translate_open_flags(int flags)
static void sp_setfsuidgid( uid_t uid, gid_t gid)
{
- current->fsuid = uid;
- current->fsgid = gid;
+ current->cred->fsuid = uid;
+ current->cred->fsgid = gid;
key_fsuid_changed(current);
key_fsgid_changed(current);
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index dc9eb72ed9d..5e77a3a21f9 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -51,6 +51,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
int retval;
struct task_struct *p;
struct thread_info *ti;
+ uid_t euid;
if (len < sizeof(new_mask))
return -EINVAL;
@@ -76,9 +77,9 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
*/
get_task_struct(p);
+ euid = current_euid();
retval = -EPERM;
- if ((current->euid != p->euid) && (current->euid != p->uid) &&
- !capable(CAP_SYS_NICE)) {
+ if (euid != p->euid && euid != p->uid && !capable(CAP_SYS_NICE)) {
read_unlock(&tasklist_lock);
goto out_unlock;
}
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 972b2d2b840..09786e49637 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1085,8 +1085,8 @@ static int vpe_open(struct inode *inode, struct file *filp)
v->load_addr = NULL;
v->len = 0;
- v->uid = filp->f_uid;
- v->gid = filp->f_gid;
+ v->uid = filp->f_cred->fsuid;
+ v->gid = filp->f_cred->fsgid;
#ifdef CONFIG_MIPS_APSP_KSPD
/* get kspd to tell us when a syscall_exit happens */
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 06213d1d6d9..f82544225e8 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -182,7 +182,7 @@ give_sigsegv:
si.si_errno = 0;
si.si_code = SI_KERNEL;
si.si_pid = task_pid_vnr(current);
- si.si_uid = current->uid;
+ si.si_uid = current_uid();
si.si_addr = &frame->uc;
force_sig_info(SIGSEGV, &si, current);
return;
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 565b7a237c8..866098686da 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -339,7 +339,7 @@ bad_area_nosemaphore:
&& printk_ratelimit())
printk(KERN_CRIT "kernel tried to execute NX-protected"
" page (%lx) - exploit attempt? (uid: %d)\n",
- address, current->uid);
+ address, current_uid());
return SIGSEGV;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index cb85d237e49..6296bfd9cb0 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -95,8 +95,8 @@ spufs_new_inode(struct super_block *sb, int mode)
goto out;
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
out:
@@ -323,7 +323,7 @@ static int spufs_context_open(struct dentry *dentry, struct vfsmount *mnt)
goto out;
}
- filp = dentry_open(dentry, mnt, O_RDONLY);
+ filp = dentry_open(dentry, mnt, O_RDONLY, current_cred());
if (IS_ERR(filp)) {
put_unused_fd(ret);
ret = PTR_ERR(filp);
@@ -562,7 +562,7 @@ static int spufs_gang_open(struct dentry *dentry, struct vfsmount *mnt)
goto out;
}
- filp = dentry_open(dentry, mnt, O_RDONLY);
+ filp = dentry_open(dentry, mnt, O_RDONLY, current_cred());
if (IS_ERR(filp)) {
put_unused_fd(ret);
ret = PTR_ERR(filp);
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 36313801cd5..8aadcd7a7cf 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -280,8 +280,8 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
if (!sbi)
return -ENOMEM;
mutex_init(&sbi->lock);
- sbi->uid = current->uid;
- sbi->gid = current->gid;
+ sbi->uid = current_uid();
+ sbi->gid = current_gid();
sb->s_fs_info = sbi;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 4646382af34..6cc87d8c868 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -148,9 +148,9 @@ asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user
{
int retval;
- if (!(retval = put_user(high2lowuid(current->uid), ruid)) &&
- !(retval = put_user(high2lowuid(current->euid), euid)))
- retval = put_user(high2lowuid(current->suid), suid);
+ if (!(retval = put_user(high2lowuid(current->cred->uid), ruid)) &&
+ !(retval = put_user(high2lowuid(current->cred->euid), euid)))
+ retval = put_user(high2lowuid(current->cred->suid), suid);
return retval;
}
@@ -165,9 +165,9 @@ asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user
{
int retval;
- if (!(retval = put_user(high2lowgid(current->gid), rgid)) &&
- !(retval = put_user(high2lowgid(current->egid), egid)))
- retval = put_user(high2lowgid(current->sgid), sgid);
+ if (!(retval = put_user(high2lowgid(current->cred->gid), rgid)) &&
+ !(retval = put_user(high2lowgid(current->cred->egid), egid)))
+ retval = put_user(high2lowgid(current->cred->sgid), sgid);
return retval;
}
@@ -217,20 +217,20 @@ asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
if (gidsetsize < 0)
return -EINVAL;
- get_group_info(current->group_info);
- i = current->group_info->ngroups;
+ get_group_info(current->cred->group_info);
+ i = current->cred->group_info->ngroups;
if (gidsetsize) {
if (i > gidsetsize) {
i = -EINVAL;
goto out;
}
- if (groups16_to_user(grouplist, current->group_info)) {
+ if (groups16_to_user(grouplist, current->cred->group_info)) {
i = -EFAULT;
goto out;
}
}
out:
- put_group_info(current->group_info);
+ put_group_info(current->cred->group_info);
return i;
}
@@ -261,22 +261,22 @@ asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist)
asmlinkage long sys32_getuid16(void)
{
- return high2lowuid(current->uid);
+ return high2lowuid(current->cred->uid);
}
asmlinkage long sys32_geteuid16(void)
{
- return high2lowuid(current->euid);
+ return high2lowuid(current->cred->euid);
}
asmlinkage long sys32_getgid16(void)
{
- return high2lowgid(current->gid);
+ return high2lowgid(current->cred->gid);
}
asmlinkage long sys32_getegid16(void)
{
- return high2lowgid(current->egid);
+ return high2lowgid(current->cred->egid);
}
/*
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 19d579d74d2..16d3b3789a5 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -159,7 +159,8 @@ void mconsole_proc(struct mc_request *req)
goto out_kill;
}
- file = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY);
+ file = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY,
+ current_cred());
if (IS_ERR(file)) {
mconsole_reply(req, "Failed to open file", 1, 0);
goto out_kill;
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 127ec3f0721..2a4d073d2cf 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -327,7 +327,7 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
current->mm->cached_hole_size = 0;
current->mm->mmap = NULL;
- compute_creds(bprm);
+ install_exec_creds(bprm);
current->flags &= ~PF_FORKNOEXEC;
if (N_MAGIC(ex) == OMAGIC) {
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 31e8730fa24..3a1b6ef4f05 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -393,7 +393,7 @@ static void show_fault_oops(struct pt_regs *regs, unsigned long error_code,
if (pte && pte_present(*pte) && !pte_exec(*pte))
printk(KERN_CRIT "kernel tried to execute "
"NX-protected page - exploit attempt? "
- "(uid: %d)\n", current->uid);
+ "(uid: %d)\n", current_uid());
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 03:33:02 +0000