aboutsummaryrefslogtreecommitdiff
path: root/kernel
diff options
context:
space:
mode:
authorKacper Kornet <kornet@camk.edu.pl>2011-01-29 00:21:04 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-31 13:01:27 +1000
commitaa5bd67dcfdf9af34c7fa36ebc87d4e1f7e91873 (patch)
tree95196496421cd8e7ad4c655becf2fa3309c88052 /kernel
parent2f215a7d6d1d8ed0bbdda4fc4f7d64e3a1d46acc (diff)
downloadlinux-linaro-stable-aa5bd67dcfdf9af34c7fa36ebc87d4e1f7e91873.tar.gz
Fix prlimit64 for suid/sgid processes
Since check_prlimit_permission always fails in the case of SUID/GUID processes, such processes are not able to read or set their own limits. This commit changes this by assuming that process can always read/change its own limits. Signed-off-by: Kacper Kornet <kornet@camk.edu.pl> Acked-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sys.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 31b71a276b40..18da702ec813 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1385,7 +1385,8 @@ static int check_prlimit_permission(struct task_struct *task)
const struct cred *cred = current_cred(), *tcred;
tcred = __task_cred(task);
- if ((cred->uid != tcred->euid ||
+ if (current != task &&
+ (cred->uid != tcred->euid ||
cred->uid != tcred->suid ||
cred->uid != tcred->uid ||
cred->gid != tcred->egid ||