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yaml
---
r: 114718
b: refs/heads/master
c: 0c2d64f
h: refs/heads/master
v: v3
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Adam Tkac authored and Linus Torvalds committed Oct 16, 2008
1 parent ddeea78 commit 9d6f307
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Showing 2 changed files with 13 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b4236f81f2347096df650fb072f50d67bb6066a2
refs/heads/master: 0c2d64fb6cae9aae480f6a46cfe79f8d7d48b59f
16 changes: 12 additions & 4 deletions trunk/kernel/sys.c
Original file line number Diff line number Diff line change
Expand Up @@ -1450,14 +1450,22 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim)
return -EINVAL;
if (copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
return -EFAULT;
if (new_rlim.rlim_cur > new_rlim.rlim_max)
return -EINVAL;
old_rlim = current->signal->rlim + resource;
if ((new_rlim.rlim_max > old_rlim->rlim_max) &&
!capable(CAP_SYS_RESOURCE))
return -EPERM;
if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > sysctl_nr_open)
return -EPERM;

if (resource == RLIMIT_NOFILE) {
if (new_rlim.rlim_max == RLIM_INFINITY)
new_rlim.rlim_max = sysctl_nr_open;
if (new_rlim.rlim_cur == RLIM_INFINITY)
new_rlim.rlim_cur = sysctl_nr_open;
if (new_rlim.rlim_max > sysctl_nr_open)
return -EPERM;
}

if (new_rlim.rlim_cur > new_rlim.rlim_max)
return -EINVAL;

retval = security_task_setrlimit(resource, &new_rlim);
if (retval)
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