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authorAlexey Gladkov <legion@kernel.org>2022-05-03 15:39:54 +0200
committerEric W. Biederman <ebiederm@xmission.com>2022-05-03 17:25:58 -0500
commitdef7343ff03bbb36ce7a34dcb19cab599f0da446 (patch)
tree8062c83e408b4a3a215104a3fd15271fd2ee0441 /ipc/ipc_sysctl.c
parent1f5c135ee509e89e0cc274333a65f73c62cb16e5 (diff)
downloadlinux-def7343ff03bbb36ce7a34dcb19cab599f0da446.tar.bz2
ipc: Use the same namespace to modify and validate
In the 1f5c135ee509 ("ipc: Store ipc sysctls in the ipc namespace") I missed that in addition to the modification of sem_ctls[3], the change is validated. This validation must occur in the same namespace. Link: https://lore.kernel.org/lkml/875ymnvryb.fsf@email.froward.int.ebiederm.org/ Fixes: 1f5c135ee509 ("ipc: Store ipc sysctls in the ipc namespace") Signed-off-by: Alexey Gladkov <legion@kernel.org> Link: https://lkml.kernel.org/r/b3cb9a25cce6becbef77186bc1216071a08a969b.1651584847.git.legion@kernel.org Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'ipc/ipc_sysctl.c')
-rw-r--r--ipc/ipc_sysctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index 15210ac47e9e..d1d5204cf589 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -68,7 +68,7 @@ static int proc_ipc_sem_dointvec(struct ctl_table *table, int write,
ret = proc_dointvec(table, write, buffer, lenp, ppos);
if (!ret)
- ret = sem_check_semmni(current->nsproxy->ipc_ns);
+ ret = sem_check_semmni(ns);
/*
* Reset the semmni value if an error happens.