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authorJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
committerJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
commitcb5629b10d64a8006622ce3a52bc887d91057d69 (patch)
tree7c06d8f30783115e3384721046258ce615b129c5 /arch/blackfin/kernel/ptrace.c
parent8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff)
parentf01d1d546abb2f4028b5299092f529eefb01253a (diff)
Merge branch 'master' into next
Conflicts: fs/namei.c Manually merged per: diff --cc fs/namei.c index 734f2b5,bbc15c2..0000000 --- a/fs/namei.c +++ b/fs/namei.c @@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char nd->flags |= LOOKUP_CONTINUE; err = exec_permission_lite(inode); if (err == -EAGAIN) - err = vfs_permission(nd, MAY_EXEC); + err = inode_permission(nd->path.dentry->d_inode, + MAY_EXEC); + if (!err) + err = ima_path_check(&nd->path, MAY_EXEC); if (err) break; @@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc flag &= ~O_TRUNC; } - error = vfs_permission(nd, acc_mode); + error = inode_permission(inode, acc_mode); if (error) return error; + - error = ima_path_check(&nd->path, ++ error = ima_path_check(path, + acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC)); + if (error) + return error; /* * An append-only file must be opened in append mode for writing. */ Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/blackfin/kernel/ptrace.c')
-rw-r--r--arch/blackfin/kernel/ptrace.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 140bf00e997..594e325b40e 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -45,6 +45,7 @@
#include <asm/asm-offsets.h>
#include <asm/dma.h>
#include <asm/fixed_code.h>
+#include <asm/mem_map.h>
#define TEXT_OFFSET 0
/*
@@ -80,10 +81,12 @@ static inline struct pt_regs *get_user_regs(struct task_struct *task)
/*
* Get all user integer registers.
*/
-static inline int ptrace_getregs(struct task_struct *tsk, void __user * uregs)
+static inline int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
{
- struct pt_regs *regs = get_user_regs(tsk);
- return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
+ struct pt_regs regs;
+ memcpy(&regs, get_user_regs(tsk), sizeof(regs));
+ regs.usp = tsk->thread.usp;
+ return copy_to_user(uregs, &regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
}
/* Mapping from PT_xxx to the stack offset at which the register is
@@ -157,15 +160,15 @@ put_reg(struct task_struct *task, int regno, unsigned long data)
static inline int is_user_addr_valid(struct task_struct *child,
unsigned long start, unsigned long len)
{
- struct vm_list_struct *vml;
+ struct vm_area_struct *vma;
struct sram_list_struct *sraml;
/* overflow */
if (start + len < start)
return -EIO;
- for (vml = child->mm->context.vmlist; vml; vml = vml->next)
- if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
+ vma = find_vma(child->mm, start);
+ if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
return 0;
for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)
@@ -220,8 +223,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
pr_debug("ptrace: user address is valid\n");
- if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START
- && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) {
+ if (L1_CODE_LENGTH != 0 && addr >= get_l1_code_start()
+ && addr + sizeof(tmp) <= get_l1_code_start() + L1_CODE_LENGTH) {
safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp));
copied = sizeof(tmp);
@@ -300,8 +303,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
pr_debug("ptrace: user address is valid\n");
- if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START
- && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) {
+ if (L1_CODE_LENGTH != 0 && addr >= get_l1_code_start()
+ && addr + sizeof(data) <= get_l1_code_start() + L1_CODE_LENGTH) {
safe_dma_memcpy ((void *)(addr), &data, sizeof(data));
copied = sizeof(data);