Re: Deadlock in aufs_mmap path due to call to security_mmap_file

2014-05-02 Thread sfjro
Matthew Riley: > I'm using Ubuntu 14.04, so 3.13 kernel. Thanks. But I've found ima, especially with the kernel parameter "ima_tcb" never work on my system. I am using - debian - sysvinit-utils pkg is installed and - boot with specifying "ima_tcb" - sysvinit-utils contains /sbin/startpar ("sta

Re: Deadlock in aufs_mmap path due to call to security_mmap_file

2014-05-02 Thread Matthew Riley
I'm using Ubuntu 14.04, so 3.13 kernel. On Fri, May 2, 2014 at 8:35 AM, wrote: > > Matthew Riley: >> The LSM called by security_mmap_file in aufs_mmap can attempt to take >> mmap_sem, in which case the thread deadlocks. The particular offender >> here is IMA, which ends up calling audit_log_task

Re: Deadlock in aufs_mmap path due to call to security_mmap_file

2014-05-02 Thread sfjro
Matthew Riley: > The LSM called by security_mmap_file in aufs_mmap can attempt to take > mmap_sem, in which case the thread deadlocks. The particular offender > here is IMA, which ends up calling audit_log_task_info, which tries to > get mmap_sem here: Would you tell me the kernel version you are