From: Hangyu Hua hbh25y@gmail.com
[ Upstream commit c579d60f0d0cd87552f64fdebe68b5d941d20309 ]
commit db7cfc380900 ("ipc: Free mq_sysctls if ipc namespace creation failed")
Here's a similar memory leak to the one fixed by the patch above. retire_mq_sysctls need to be called when init_mqueue_fs fails after setup_mq_sysctls.
Fixes: dc55e35f9e81 ("ipc: Store mqueue sysctls in the ipc namespace") Signed-off-by: Hangyu Hua hbh25y@gmail.com Link: https://lkml.kernel.org/r/20220715062301.19311-1-hbh25y@gmail.com Signed-off-by: Eric W. Biederman ebiederm@xmission.com Signed-off-by: Sasha Levin sashal@kernel.org --- ipc/mqueue.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index f98de32aeea1..9cf314b3f079 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -1746,6 +1746,7 @@ static int __init init_mqueue_fs(void) unregister_filesystem(&mqueue_fs_type); out_sysctl: kmem_cache_destroy(mqueue_inode_cachep); + retire_mq_sysctls(&init_ipc_ns); return error; }