Author: hawk                         Date: Tue Mar 27 12:23:11 2007 GMT
Module: SOURCES                       Tag: hawk-LINUX_2_6
---- Log message:
- merged adjutements for vserver patched kernel from LINUX_2_6_20

---- Files affected:
SOURCES:
   grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch (1.1.2.1 -> 1.1.2.2) 

---- Diffs:

================================================================
Index: SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch
diff -u SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch:1.1.2.1 
SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch:1.1.2.2
--- SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch:1.1.2.1    Mon Mar 
26 17:38:32 2007
+++ SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch    Tue Mar 27 
14:23:06 2007
@@ -38,16 +38,16 @@
 diff -urNp linux-2.6.20.3/arch/alpha/kernel/ptrace.c 
linux-2.6.20.3/arch/alpha/kernel/ptrace.c
 --- linux-2.6.20.3/arch/alpha/kernel/ptrace.c  2007-03-13 14:27:08.000000000 
-0400
 +++ linux-2.6.20.3/arch/alpha/kernel/ptrace.c  2007-03-23 08:11:18.000000000 
-0400
-@@ -15,6 +15,7 @@
- #include <linux/slab.h>
+@@ -16,6 +16,7 @@
  #include <linux/security.h>
  #include <linux/signal.h>
+ #include <linux/vs_base.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/uaccess.h>
  #include <asm/pgtable.h>
 @@ -283,6 +284,9 @@ do_sys_ptrace(long request, long pid, lo
-               goto out_notsk;
+               goto out;
        }
  
 +      if (gr_handle_ptrace(child, request))
@@ -3393,7 +3393,7 @@
  
  #ifdef CONFIG_EISA
  #include <linux/ioport.h>
-@@ -66,12 +67,7 @@ asmlinkage int system_call(void);
+@@ -68,12 +69,7 @@ asmlinkage int system_call(void);
  /* Do we ignore FPU interrupts ? */
  char ignore_fpu_irq = 0;
  
@@ -3416,7 +3416,7 @@
                        ops->address(data, addr);
        }
  #endif
-@@ -295,7 +291,7 @@ void show_registers(struct pt_regs *regs
+@@ -297,7 +293,7 @@ void show_registers(struct pt_regs *regs
  
        esp = (unsigned long) (&regs->esp);
        savesegment(ss, ss);
@@ -3433,8 +3433,8 @@
 -              regs->xds & 0xffff, regs->xes & 0xffff, ss);
 +      printk(KERN_EMERG "ds: %04x   es: %04x   gs: %04x   ss: %04x\n",
 +              regs->xds & 0xffff, regs->xes & 0xffff, regs->xgs & 0xffff, ss);
-       printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)",
-               TASK_COMM_LEN, current->comm, current->pid,
+       printk(KERN_EMERG "Process %.*s (pid: %d[#%u], ti=%p task=%p 
task.ti=%p)",
+               TASK_COMM_LEN, current->comm, current->pid, current->xid,
                current_thread_info(), current, current->thread_info);
 @@ -332,11 +328,11 @@ void show_registers(struct pt_regs *regs
  
@@ -6818,10 +6818,10 @@
 diff -urNp linux-2.6.20.3/arch/ia64/kernel/ptrace.c 
linux-2.6.20.3/arch/ia64/kernel/ptrace.c
 --- linux-2.6.20.3/arch/ia64/kernel/ptrace.c   2007-03-13 14:27:08.000000000 
-0400
 +++ linux-2.6.20.3/arch/ia64/kernel/ptrace.c   2007-03-23 08:11:18.000000000 
-0400
-@@ -17,6 +17,7 @@
- #include <linux/security.h>
+@@ -18,6 +18,7 @@
  #include <linux/audit.h>
  #include <linux/signal.h>
+ #include <linux/vs_base.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/pgtable.h>
@@ -6869,14 +6869,14 @@
 --- linux-2.6.20.3/arch/ia64/mm/fault.c        2007-03-13 14:27:08.000000000 
-0400
 +++ linux-2.6.20.3/arch/ia64/mm/fault.c        2007-03-23 08:10:06.000000000 
-0400
 @@ -10,6 +10,7 @@
- #include <linux/smp_lock.h>
  #include <linux/interrupt.h>
  #include <linux/kprobes.h>
+ #include <linux/vs_memory.h>
 +#include <linux/binfmts.h>
  
  #include <asm/pgtable.h>
  #include <asm/processor.h>
-@@ -85,6 +86,23 @@ mapped_kernel_page_is_present (unsigned 
+@@ -86,6 +87,23 @@ mapped_kernel_page_is_present (unsigned 
        return pte_present(pte);
  }
  
@@ -6900,7 +6900,7 @@
  void __kprobes
  ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs 
*regs)
  {
-@@ -152,9 +170,23 @@ ia64_do_page_fault (unsigned long addres
+@@ -153,9 +171,23 @@ ia64_do_page_fault (unsigned long addres
        mask = (  (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
                | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT));
  
@@ -8533,10 +8533,10 @@
 diff -urNp linux-2.6.20.3/arch/sparc/kernel/ptrace.c 
linux-2.6.20.3/arch/sparc/kernel/ptrace.c
 --- linux-2.6.20.3/arch/sparc/kernel/ptrace.c  2007-03-13 14:27:08.000000000 
-0400
 +++ linux-2.6.20.3/arch/sparc/kernel/ptrace.c  2007-03-23 08:11:18.000000000 
-0400
-@@ -19,6 +19,7 @@
- #include <linux/smp_lock.h>
+@@ -20,6 +20,7 @@
  #include <linux/security.h>
  #include <linux/signal.h>
+ #include <linux/vs_base.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/pgtable.h>
@@ -8940,10 +8940,10 @@
 diff -urNp linux-2.6.20.3/arch/sparc64/kernel/ptrace.c 
linux-2.6.20.3/arch/sparc64/kernel/ptrace.c
 --- linux-2.6.20.3/arch/sparc64/kernel/ptrace.c        2007-03-13 
14:27:08.000000000 -0400
 +++ linux-2.6.20.3/arch/sparc64/kernel/ptrace.c        2007-03-23 
08:11:31.000000000 -0400
-@@ -22,6 +22,7 @@
- #include <linux/seccomp.h>
+@@ -23,6 +23,7 @@
  #include <linux/audit.h>
  #include <linux/signal.h>
+ #include <linux/vs_base.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/asi.h>
@@ -11616,10 +11616,10 @@
 diff -urNp linux-2.6.20.3/fs/binfmt_aout.c linux-2.6.20.3/fs/binfmt_aout.c
 --- linux-2.6.20.3/fs/binfmt_aout.c    2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/binfmt_aout.c    2007-03-23 08:11:31.000000000 -0400
-@@ -24,6 +24,7 @@
- #include <linux/binfmts.h>
+@@ -25,6 +25,7 @@
  #include <linux/personality.h>
  #include <linux/init.h>
+ #include <linux/vs_memory.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/system.h>
@@ -11700,10 +11700,10 @@
 diff -urNp linux-2.6.20.3/fs/binfmt_elf.c linux-2.6.20.3/fs/binfmt_elf.c
 --- linux-2.6.20.3/fs/binfmt_elf.c     2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/binfmt_elf.c     2007-03-23 08:11:31.000000000 -0400
-@@ -39,10 +39,16 @@
- #include <linux/syscalls.h>
+@@ -40,10 +40,16 @@
  #include <linux/random.h>
  #include <linux/elf.h>
+ #include <linux/vs_memory.h>
 +#include <linux/grsecurity.h>
 +
  #include <asm/uaccess.h>
@@ -12617,16 +12617,16 @@
 diff -urNp linux-2.6.20.3/fs/exec.c linux-2.6.20.3/fs/exec.c
 --- linux-2.6.20.3/fs/exec.c   2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/exec.c   2007-03-23 08:25:38.000000000 -0400
-@@ -50,6 +50,8 @@
- #include <linux/tsacct_kern.h>
+@@ -51,6 +51,8 @@
  #include <linux/cn_proc.h>
  #include <linux/audit.h>
+ #include <linux/vs_memory.h>
 +#include <linux/random.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/uaccess.h>
  #include <asm/mmu_context.h>
-@@ -68,6 +70,15 @@ EXPORT_SYMBOL(suid_dumpable);
+@@ -69,6 +71,15 @@ EXPORT_SYMBOL(suid_dumpable);
  static struct linux_binfmt *formats;
  static DEFINE_RWLOCK(binfmt_lock);
  
@@ -12686,7 +12686,7 @@
  #ifdef CONFIG_STACK_GROWSUP
        /* Move the argument and environment strings to the bottom of the
         * stack space.
-@@ -405,11 +436,19 @@ int setup_arg_pages(struct linux_binprm 
+@@ -406,11 +437,19 @@ int setup_arg_pages(struct linux_binprm 
                bprm->loader += stack_base;
        bprm->exec += stack_base;
  
@@ -12708,7 +12708,7 @@
  
        down_write(&mm->mmap_sem);
        {
-@@ -431,13 +470,50 @@ int setup_arg_pages(struct linux_binprm 
+@@ -432,14 +471,51 @@ int setup_arg_pages(struct linux_binprm
                else
                        mpnt->vm_flags = VM_STACK_FLAGS;
                mpnt->vm_flags |= mm->def_flags;
@@ -12732,7 +12732,8 @@
 +
                        return ret;
                }
-               mm->stack_vm = mm->total_vm = vma_pages(mpnt);
+               vx_vmpages_sub(mm, mm->total_vm - vma_pages(mpnt));
+               mm->stack_vm = mm->total_vm;
 +
 +#ifdef CONFIG_PAX_SEGMEXEC
 +              if (mpnt_m) {
@@ -12760,7 +12761,7 @@
        }
  
        for (i = 0 ; i < MAX_ARG_PAGES ; i++) {
-@@ -445,6 +521,14 @@ int setup_arg_pages(struct linux_binprm 
+@@ -545,6 +621,14 @@ int setup_arg_pages(struct linux_binprm 
                if (page) {
                        bprm->page[i] = NULL;
                        install_arg_page(mpnt, page, stack_base);
@@ -13012,15 +13013,15 @@
 diff -urNp linux-2.6.20.3/fs/ext3/balloc.c linux-2.6.20.3/fs/ext3/balloc.c
 --- linux-2.6.20.3/fs/ext3/balloc.c    2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/ext3/balloc.c    2007-03-23 08:11:31.000000000 -0400
-@@ -1359,7 +1359,7 @@ static int ext3_has_free_blocks(struct e
+@@ -1373,7 +1373,7 @@ static int ext3_has_free_blocks(struct e
+       DLIMIT_ADJUST_BLOCK(sb, dx_current_tag(), &free_blocks, &root_blocks);
  
-       free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
-       root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
--      if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-+      if (free_blocks < root_blocks + 1 && !capable_nolog(CAP_SYS_RESOURCE) &&
+       cond = (free_blocks < root_blocks + 1 &&
+-              !capable(CAP_SYS_RESOURCE) &&
++              !capable_nolog(CAP_SYS_RESOURCE) &&
                sbi->s_resuid != current->fsuid &&
-               (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
-               return 0;
+               (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid)));
+ 
 diff -urNp linux-2.6.20.3/fs/ext3/xattr.c linux-2.6.20.3/fs/ext3/xattr.c
 --- linux-2.6.20.3/fs/ext3/xattr.c     2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/ext3/xattr.c     2007-03-23 08:10:06.000000000 -0400
@@ -13038,22 +13039,22 @@
 diff -urNp linux-2.6.20.3/fs/ext4/balloc.c linux-2.6.20.3/fs/ext4/balloc.c
 --- linux-2.6.20.3/fs/ext4/balloc.c    2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/ext4/balloc.c    2007-03-23 08:11:31.000000000 -0400
-@@ -1376,7 +1376,7 @@ static int ext4_has_free_blocks(struct e
+@@ -1390,7 +1390,7 @@ static int ext4_has_free_blocks(struct s
+       DLIMIT_ADJUST_BLOCK(sb, dx_current_tag(), &free_blocks, &root_blocks);
  
-       free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
-       root_blocks = ext4_r_blocks_count(sbi->s_es);
--      if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-+      if (free_blocks < root_blocks + 1 && !capable_nolog(CAP_SYS_RESOURCE) &&
+       cond = (free_blocks < root_blocks + 1 &&
+-              !capable(CAP_SYS_RESOURCE) &&
++              !capable_nolog(CAP_SYS_RESOURCE) &&
                sbi->s_resuid != current->fsuid &&
-               (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
-               return 0;
+               (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid)));
+ 
 diff -urNp linux-2.6.20.3/fs/fcntl.c linux-2.6.20.3/fs/fcntl.c
 --- linux-2.6.20.3/fs/fcntl.c  2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/fcntl.c  2007-03-23 08:11:31.000000000 -0400
-@@ -18,6 +18,7 @@
- #include <linux/ptrace.h>
+@@ -19,6 +19,7 @@
  #include <linux/signal.h>
  #include <linux/rcupdate.h>
+ #include <linux/vs_limit.h>
 +#include <linux/grsecurity.h>
  
  #include <asm/poll.h>
@@ -13121,9 +13122,9 @@
 --- linux-2.6.20.3/fs/namei.c  2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/namei.c  2007-03-23 08:11:31.000000000 -0400
 @@ -32,6 +32,7 @@
- #include <linux/file.h>
- #include <linux/fcntl.h>
- #include <linux/namei.h>
+ #include <linux/vs_base.h>
+ #include <linux/vs_tag.h>
+ #include <linux/vs_cowbl.h>
 +#include <linux/grsecurity.h>
  #include <asm/namei.h>
  #include <asm/uaccess.h>
@@ -13280,7 +13281,7 @@
 +
        if (!IS_POSIXACL(nd.dentry->d_inode))
                mode &= ~current->fs->umask;
-       error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
+       error = vfs_mkdir(nd.dentry->d_inode, dentry, mode, &nd);
 +
 +      if (!error)
 +              gr_handle_create(dentry, nd.mnt);
@@ -13313,7 +13314,7 @@
 +                      goto dput_exit2;
 +              }
 +      }
-       error = vfs_rmdir(nd.dentry->d_inode, dentry);
+       error = vfs_rmdir(nd.dentry->d_inode, dentry, &nd);
 +      if (!error && (saved_dev || saved_ino))
 +              gr_handle_delete(saved_ino, saved_dev);
 +dput_exit2:
@@ -13349,10 +13350,10 @@
 +                              error = -EACCES;
 +
                        atomic_inc(&inode->i_count);
--              error = vfs_unlink(nd.dentry->d_inode, dentry);
+-              error = vfs_unlink(nd.dentry->d_inode, dentry, &nd);
 +              }
 +              if (!error)
-+                      error = vfs_unlink(nd.dentry->d_inode, dentry);
++                      error = vfs_unlink(nd.dentry->d_inode, dentry, &nd);
 +              if (!error && (saved_ino || saved_dev))
 +                      gr_handle_delete(saved_ino, saved_dev);
        exit2:
@@ -13367,7 +13368,7 @@
 +              goto out_dput_unlock;
 +      }
 +
-       error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
+       error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO, &nd);
 +
 +      if (!error)
 +              gr_handle_create(dentry, nd.mnt);
@@ -13393,7 +13394,7 @@
 +              goto out_unlock_dput;
 +      }
 +
-       error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
+       error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry, &nd);
 +
 +      if (!error)
 +              gr_handle_create(new_dentry, nd.mnt);
@@ -13423,9 +13424,9 @@
 --- linux-2.6.20.3/fs/namespace.c      2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/namespace.c      2007-03-23 08:11:31.000000000 -0400
 @@ -25,6 +25,7 @@
- #include <linux/security.h>
- #include <linux/mount.h>
- #include <linux/ramfs.h>
+ #include <linux/vs_tag.h>
+ #include <linux/vserver/space.h>
+ #include <linux/vserver/global.h>
 +#include <linux/grsecurity.h>
  #include <asm/uaccess.h>
  #include <asm/unistd.h>
@@ -13509,9 +13510,9 @@
 --- linux-2.6.20.3/fs/open.c   2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/open.c   2007-03-23 08:11:31.000000000 -0400
 @@ -27,6 +27,7 @@
- #include <linux/syscalls.h>
- #include <linux/rcupdate.h>
- #include <linux/audit.h>
+ #include <linux/vs_dlimit.h>
+ #include <linux/vs_tag.h>
+ #include <linux/vs_cowbl.h>
 +#include <linux/grsecurity.h>
  
  int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
@@ -13527,7 +13528,7 @@
        newattrs.ia_valid = ATTR_SIZE | time_attrs;
        if (filp) {
 @@ -398,6 +402,9 @@ asmlinkage long sys_faccessat(int dfd, c
-       if(IS_RDONLY(nd.dentry->d_inode))
+       if(IS_RDONLY(nd.dentry->d_inode) || MNT_IS_RDONLY(nd.mnt))
                res = -EROFS;
  
 +      if (!res && !gr_acl_handle_access(nd.dentry, nd.mnt, mode))
@@ -13621,16 +13622,7 @@
        newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
        newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
        error = notify_change(nd.dentry, &newattrs);
-@@ -568,7 +617,7 @@ asmlinkage long sys_chmod(const char __u
-       return sys_fchmodat(AT_FDCWD, filename, mode);
- }
- 
--static int chown_common(struct dentry * dentry, uid_t user, gid_t group)
-+static int chown_common(struct dentry * dentry, uid_t user, gid_t group, 
struct vfsmount *mnt)
- {
-       struct inode * inode;
-       int error;
-@@ -585,6 +634,12 @@ static int chown_common(struct dentry * 
+@@ -595,6 +644,12 @@ static int chown_common(struct dentry * 
        error = -EPERM;
        if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
                goto out;
@@ -13643,42 +13635,6 @@
        newattrs.ia_valid =  ATTR_CTIME;
        if (user != (uid_t) -1) {
                newattrs.ia_valid |= ATTR_UID;
-@@ -611,7 +666,7 @@ asmlinkage long sys_chown(const char __u
-       error = user_path_walk(filename, &nd);
-       if (error)
-               goto out;
--      error = chown_common(nd.dentry, user, group);
-+      error = chown_common(nd.dentry, user, group, nd.mnt);
-       path_release(&nd);
- out:
-       return error;
-@@ -631,7 +686,7 @@ asmlinkage long sys_fchownat(int dfd, co
-       error = __user_walk_fd(dfd, filename, follow, &nd);
-       if (error)
-               goto out;
--      error = chown_common(nd.dentry, user, group);
-+      error = chown_common(nd.dentry, user, group, nd.mnt);
-       path_release(&nd);
- out:
-       return error;
-@@ -645,7 +700,7 @@ asmlinkage long sys_lchown(const char __
-       error = user_path_walk_link(filename, &nd);
-       if (error)
-               goto out;
--      error = chown_common(nd.dentry, user, group);
-+      error = chown_common(nd.dentry, user, group, nd.mnt);
-       path_release(&nd);
- out:
-       return error;
-@@ -664,7 +719,7 @@ asmlinkage long sys_fchown(unsigned int 
- 
-       dentry = file->f_path.dentry;
-       audit_inode(NULL, dentry->d_inode);
--      error = chown_common(dentry, user, group);
-+      error = chown_common(dentry, user, group, file->f_vfsmnt);
-       fput(file);
- out:
-       return error;
 @@ -871,6 +926,7 @@ repeat:
         * N.B. For clone tasks sharing a files structure, this test
         * will limit the total number of files that can be opened.
@@ -13812,13 +13768,13 @@
 --- linux-2.6.20.3/fs/proc/base.c      2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/proc/base.c      2007-03-23 08:11:31.000000000 -0400
 @@ -73,6 +73,7 @@
- #include <linux/poll.h>
- #include <linux/nsproxy.h>
  #include <linux/oom.h>
+ #include <linux/vs_context.h>
+ #include <linux/vs_network.h>
 +#include <linux/grsecurity.h>
+ 
  #include "internal.h"
  
- /* NOTE:
 @@ -194,7 +195,7 @@ static int proc_root_link(struct inode *
        (task->parent == current && \
        (task->ptrace & PT_PTRACED) && \
@@ -13855,7 +13811,7 @@
                goto out;
  
        copied = -ENOMEM;
-@@ -1032,7 +1035,11 @@ static struct inode *proc_pid_make_inode
+@@ -1035,7 +1038,11 @@ static struct inode *proc_pid_make_inode
        inode->i_gid = 0;
        if (task_dumpable(task)) {
                inode->i_uid = task->euid;
@@ -13865,8 +13821,8 @@
                inode->i_gid = task->egid;
 +#endif
        }
-       security_task_to_inode(task, inode);
- 
+       /* procfs is xid tagged */
+       inode->i_tag = (tag_t)vx_task_xid(task);
 @@ -1048,17 +1055,45 @@ static int pid_getattr(struct vfsmount *
  {
        struct inode *inode = dentry->d_inode;
@@ -13914,17 +13870,20 @@
                }
        }
        rcu_read_unlock();
-@@ -1086,11 +1121,26 @@ static int pid_revalidate(struct dentry 
- {
-       struct inode *inode = dentry->d_inode;
+@@ -1093,15 +1127,29 @@ static int pid_revalidate(struct dentry 
        struct task_struct *task = get_proc_task(inode);
-+
+       int ret = 0;
+ 
 +      if (task && (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))) {
 +              put_task_struct(task);
 +              goto out;
 +      }
 +
        if (task) {
+               if (!vx_proc_task_visible(task))
+                       goto out_put;
+ 
+               ret = 1;
                if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
 +#ifdef CONFIG_GRKERNSEC_PROC_USER
 +                  (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) ||
@@ -13941,14 +13900,15 @@
                } else {
                        inode->i_uid = 0;
                        inode->i_gid = 0;
-@@ -1100,6 +1150,7 @@ static int pid_revalidate(struct dentry 
+@@ -1111,6 +1159,8 @@ static int pid_revalidate(struct dentry 
+       out_put:
                put_task_struct(task);
-               return 1;
        }
++
 +out:
-       d_drop(dentry);
-       return 0;
- }
+       if (!ret)
+               d_drop(dentry);
+       return ret;
 @@ -1336,6 +1387,9 @@ static struct dentry *proc_lookupfd(stru
        if (fd == ~0U)
                goto out;
@@ -13968,8 +13928,8 @@
                        files = get_files_struct(p);
                        if (!files)
                                goto out;
-@@ -1467,6 +1523,9 @@ static struct dentry *proc_pident_lookup
-       if (!task)
+@@ -1486,6 +1542,9 @@ static struct dentry *proc_pident_lookup
+               !memcmp(dentry->d_name.name, "ninfo", 5)))
                goto out_no_task;
  
 +      if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))
@@ -13978,7 +13938,7 @@
        /*
         * Yes, it does not scale. And it should not. Don't add
         * new entries into /proc/<tgid>/ without very good reasons.
-@@ -1512,6 +1571,9 @@ static int proc_pident_readdir(struct fi
+@@ -1531,6 +1590,9 @@ static int proc_pident_readdir(struct fi
        if (!task)
                goto out_no_task;
  
@@ -14023,7 +13983,7 @@
        inode->i_op = &proc_tgid_base_inode_operations;
        inode->i_fop = &proc_tgid_base_operations;
        inode->i_flags|=S_IMMUTABLE;
-@@ -2025,7 +2100,11 @@ struct dentry *proc_pid_lookup(struct in
+@@ -2049,7 +2124,11 @@ struct dentry *proc_pid_lookup(struct in
        if (!task)
                goto out;
  
@@ -14038,7 +13998,7 @@
 @@ -2083,6 +2162,9 @@ int proc_pid_readdir(struct file * filp,
  {
        unsigned int nr = filp->f_pos - FIRST_PROCESS_ENTRY;
-       struct task_struct *reaper = 
get_proc_task(filp->f_path.dentry->d_inode);
+       struct task_struct *reaper = 
get_proc_task_real(filp->f_path.dentry->d_inode);
 +#if defined(CONFIG_GRKERNSEC_PROC_USER) || 
defined(CONFIG_GRKERNSEC_PROC_USERGROUP)
 +      struct task_struct *tmp = current;
 +#endif
@@ -14193,9 +14153,9 @@
 +#else
        proc_bus = proc_mkdir("bus", NULL);
 +#endif
+       proc_vx_init();
  }
  
- static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, 
struct kstat *stat
 diff -urNp linux-2.6.20.3/fs/proc/task_mmu.c linux-2.6.20.3/fs/proc/task_mmu.c
 --- linux-2.6.20.3/fs/proc/task_mmu.c  2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/proc/task_mmu.c  2007-03-23 08:21:11.000000000 -0400
@@ -14530,10 +14490,10 @@
 diff -urNp linux-2.6.20.3/fs/utimes.c linux-2.6.20.3/fs/utimes.c
 --- linux-2.6.20.3/fs/utimes.c 2007-03-13 14:27:08.000000000 -0400
 +++ linux-2.6.20.3/fs/utimes.c 2007-03-23 08:11:31.000000000 -0400
-@@ -4,6 +4,7 @@
- #include <linux/namei.h>
+@@ -5,6 +5,7 @@
  #include <linux/sched.h>
  #include <linux/utime.h>
+ #include <linux/vs_cowbl.h>
 +#include <linux/grsecurity.h>
  #include <asm/uaccess.h>
  #include <asm/unistd.h>
@@ -21684,14 +21644,14 @@
 +{
 +#ifdef CONFIG_GRKERNSEC
 +      if (!gr_acl_is_enabled())
-+              return current->cap_effective;
-+      else if (cap_raised(current->cap_effective, CAP_NET_ADMIN) &&
++              return vx_mbcap(cap_effective);
++      else if (cap_raised(vx_mbcap(cap_effective), CAP_NET_ADMIN) &&
 +               gr_task_is_capable(current, CAP_NET_ADMIN))
-+              return current->cap_effective;
++              vx_mbcap(cap_effective);
 +      else
 +              return 0;
 +#else
-+      return current->cap_effective;
++      vx_mbcap(cap_effective);
 +#endif
 +}
 diff -urNp linux-2.6.20.3/grsecurity/grsec_sysctl.c 
linux-2.6.20.3/grsecurity/grsec_sysctl.c
@@ -23590,7 +23550,7 @@
 +#ifdef CONFIG_PAX_SEGMEXEC
 +#define ELF_ET_DYN_BASE         ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? 
SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2)
 +#else
- #define ELF_ET_DYN_BASE         (TASK_SIZE / 3 * 2)
+ #define ELF_ET_DYN_BASE               ((TASK_UNMAPPED_BASE) * 2)
 +#endif
 +
 +#ifdef CONFIG_PAX_ASLR
@@ -24023,8 +23983,8 @@
  };
  
 -extern struct i386_pda *_cpu_pda[];
-+extern struct i386_pda * const _cpu_pda[NR_CPUS];
-+extern struct i386_pda __cpu_pda[NR_CPUS];
++extern struct i386_pda * const _cpu_pda[];
++extern struct i386_pda __cpu_pda[];
  
<<Diff was trimmed, longer than 597 lines>>

---- CVS-web:
    
http://cvs.pld-linux.org/SOURCES/grsecurity-vs-2.1.10-2.6.20.3-200703231034.patch?r1=1.1.2.1&r2=1.1.2.2&f=u

_______________________________________________
pld-cvs-commit mailing list
[email protected]
http://lists.pld-linux.org/mailman/listinfo/pld-cvs-commit

Reply via email to