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Fix prlimit64 for suid/sgid processes

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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>
This commit is contained in:
Kacper Kornet 2011-01-29 00:21:04 +01:00 committed by Linus Torvalds
parent 2f215a7d6d
commit aa5bd67dcf
1 changed files with 2 additions and 1 deletions
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3
kernel/sys.c
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@ -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 ||