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-rw-r--r--kernel/sys.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index e7dc0e10a485..f145c415bc16 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1525,22 +1525,14 @@ SYSCALL_DEFINE2(setrlimit, unsigned int, resource, struct rlimit __user *, rlim)
1525 return -EINVAL; 1525 return -EINVAL;
1526 if (copy_from_user(&new_rlim, rlim, sizeof(*rlim))) 1526 if (copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
1527 return -EFAULT; 1527 return -EFAULT;
1528 if (new_rlim.rlim_cur > new_rlim.rlim_max)
1529 return -EINVAL;
1528 old_rlim = current->signal->rlim + resource; 1530 old_rlim = current->signal->rlim + resource;
1529 if ((new_rlim.rlim_max > old_rlim->rlim_max) && 1531 if ((new_rlim.rlim_max > old_rlim->rlim_max) &&
1530 !capable(CAP_SYS_RESOURCE)) 1532 !capable(CAP_SYS_RESOURCE))
1531 return -EPERM; 1533 return -EPERM;
1532 1534 if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > sysctl_nr_open)
1533 if (resource == RLIMIT_NOFILE) { 1535 return -EPERM;
1534 if (new_rlim.rlim_max == RLIM_INFINITY)
1535 new_rlim.rlim_max = sysctl_nr_open;
1536 if (new_rlim.rlim_cur == RLIM_INFINITY)
1537 new_rlim.rlim_cur = sysctl_nr_open;
1538 if (new_rlim.rlim_max > sysctl_nr_open)
1539 return -EPERM;
1540 }
1541
1542 if (new_rlim.rlim_cur > new_rlim.rlim_max)
1543 return -EINVAL;
1544 1536
1545 retval = security_task_setrlimit(resource, &new_rlim); 1537 retval = security_task_setrlimit(resource, &new_rlim);
1546 if (retval) 1538 if (retval)