Commit aa5bd67d authored Jan 29, 2011 by Kacper Kornet Committed by Linus Torvalds Jan 31, 2011

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>

parent 2f215a7d

kernel/sys.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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 \|\|

Admin message