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authorIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
commite1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch)
treebca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /fs/binfmt_elf_fdpic.c
parent2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
Merge branch 'linus' into perfcounters/core
Conflicts: fs/exec.c include/linux/init_task.h Simple context conflicts.
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
-rw-r--r--fs/binfmt_elf_fdpic.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 5b5424cb3391..aa5b43205e37 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -404,7 +404,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
current->mm->start_stack = current->mm->start_brk + stack_size;
#endif
- compute_creds(bprm);
+ install_exec_creds(bprm);
current->flags &= ~PF_FORKNOEXEC;
if (create_elf_fdpic_tables(bprm, current->mm,
&exec_params, &interp_params) < 0)
@@ -475,6 +475,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
struct elf_fdpic_params *exec_params,
struct elf_fdpic_params *interp_params)
{
+ const struct cred *cred = current_cred();
unsigned long sp, csp, nitems;
elf_caddr_t __user *argv, *envp;
size_t platform_len = 0, len;
@@ -623,10 +624,10 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
NEW_AUX_ENT(AT_BASE, interp_params->elfhdr_addr);
NEW_AUX_ENT(AT_FLAGS, 0);
NEW_AUX_ENT(AT_ENTRY, exec_params->entry_addr);
- NEW_AUX_ENT(AT_UID, (elf_addr_t) current->uid);
- NEW_AUX_ENT(AT_EUID, (elf_addr_t) current->euid);
- NEW_AUX_ENT(AT_GID, (elf_addr_t) current->gid);
- NEW_AUX_ENT(AT_EGID, (elf_addr_t) current->egid);
+ NEW_AUX_ENT(AT_UID, (elf_addr_t) cred->uid);
+ NEW_AUX_ENT(AT_EUID, (elf_addr_t) cred->euid);
+ NEW_AUX_ENT(AT_GID, (elf_addr_t) cred->gid);
+ NEW_AUX_ENT(AT_EGID, (elf_addr_t) cred->egid);
NEW_AUX_ENT(AT_SECURE, security_bprm_secureexec(bprm));
NEW_AUX_ENT(AT_EXECFN, bprm->exec);
@@ -1413,6 +1414,7 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
struct mm_struct *mm)
{
+ const struct cred *cred;
unsigned int i, len;
/* first copy the parameters from user space */
@@ -1440,8 +1442,11 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
psinfo->pr_zomb = psinfo->pr_sname == 'Z';
psinfo->pr_nice = task_nice(p);
psinfo->pr_flag = p->flags;
- SET_UID(psinfo->pr_uid, p->uid);
- SET_GID(psinfo->pr_gid, p->gid);
+ rcu_read_lock();
+ cred = __task_cred(p);
+ SET_UID(psinfo->pr_uid, cred->uid);
+ SET_GID(psinfo->pr_gid, cred->gid);
+ rcu_read_unlock();
strncpy(psinfo->pr_fname, p->comm, sizeof(psinfo->pr_fname));
return 0;