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authorLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 06:39:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 06:39:26 +0300
commitc54b245d011855ea91c5beff07f1db74143ce614 (patch)
tree7982f28c76f578997f342c7255e222dabeffde63 /fs/proc/array.c
parente17c120f48f7d86ed9fd6e44e9436d32997fd9ec (diff)
parent5e6b8a50a7cec5686ee2c4bda1d49899c79a7eae (diff)
downloadlinux-c54b245d011855ea91c5beff07f1db74143ce614.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull user namespace rlimit handling update from Eric Biederman: "This is the work mainly by Alexey Gladkov to limit rlimits to the rlimits of the user that created a user namespace, and to allow users to have stricter limits on the resources created within a user namespace." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: cred: add missing return error code when set_cred_ucounts() failed ucounts: Silence warning in dec_rlimit_ucounts ucounts: Set ucount_max to the largest positive value the type can hold kselftests: Add test to check for rlimit changes in different user namespaces Reimplement RLIMIT_MEMLOCK on top of ucounts Reimplement RLIMIT_SIGPENDING on top of ucounts Reimplement RLIMIT_MSGQUEUE on top of ucounts Reimplement RLIMIT_NPROC on top of ucounts Use atomic_t for ucounts reference counting Add a reference to ucounts for each cred Increase size of ucounts to atomic_long_t
Diffstat (limited to 'fs/proc/array.c')
-rw-r--r--fs/proc/array.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 7ec59171f197..ee0ce8cecc4a 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -284,7 +284,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
collect_sigign_sigcatch(p, &ignored, &caught);
num_threads = get_nr_threads(p);
rcu_read_lock(); /* FIXME: is this correct? */
- qsize = atomic_read(&__task_cred(p)->user->sigpending);
+ qsize = get_ucounts_value(task_ucounts(p), UCOUNT_RLIMIT_SIGPENDING);
rcu_read_unlock();
qlim = task_rlimit(p, RLIMIT_SIGPENDING);
unlock_task_sighand(p, &flags);