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-rw-r--r--fs/exec.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 9a1d9f0..00ae2ef 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1139,7 +1139,7 @@ void setup_new_exec(struct linux_binprm * bprm)
/* This is the point of no return */
current->sas_ss_sp = current->sas_ss_size = 0;
- if (current_euid() == current_uid() && current_egid() == current_gid())
+ if (uid_eq(current_euid(), current_uid()) && gid_eq(current_egid(), current_gid()))
set_dumpable(current->mm, 1);
else
set_dumpable(current->mm, suid_dumpable);
@@ -1153,8 +1153,8 @@ void setup_new_exec(struct linux_binprm * bprm)
current->mm->task_size = TASK_SIZE;
/* install the new credentials */
- if (bprm->cred->uid != current_euid() ||
- bprm->cred->gid != current_egid()) {
+ if (!uid_eq(bprm->cred->uid, current_euid()) ||
+ !gid_eq(bprm->cred->gid, current_egid())) {
current->pdeath_signal = 0;
} else {
would_dump(bprm, bprm->file);
@@ -2120,7 +2120,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
if (__get_dumpable(cprm.mm_flags) == 2) {
/* Setuid core dump mode */
flag = O_EXCL; /* Stop rewrite attacks */
- cred->fsuid = 0; /* Dump root private */
+ cred->fsuid = GLOBAL_ROOT_UID; /* Dump root private */
}
retval = coredump_wait(exit_code, &core_state);
@@ -2221,7 +2221,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
* Dont allow local users get cute and trick others to coredump
* into their pre-created files.
*/
- if (inode->i_uid != current_fsuid())
+ if (!uid_eq(inode->i_uid, current_fsuid()))
goto close_fail;
if (!cprm.file->f_op || !cprm.file->f_op->write)
goto close_fail;
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