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cormander / tpe-lkm

Trusted Path Execution (TPE) Linux Kernel Module
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kernel: tpe: warning: cred->security was not remapped; the soften_mmap flag won't persist to child processes. #33

Open morfikov opened 5 years ago

morfikov commented 5 years ago

Is this something serious?

kernel: tpe: loading out-of-tree module taints kernel.
kernel: fopskit: fopskit_find_sym_addr() failed with return code -14 for fops_hook { name => selinux_enabled, addr => 0, found => 0, hooked => 0 } at fopskit_find_sym_addr() line 223
kernel: fopskit: fopskit_find_sym_addr() failed with return code -14 for fops_hook { name => selinux_disabled, addr => 0, found => 0, hooked => 0 } at fopskit_find_sym_addr() line 223
kernel: tpe: warning: cred->security was not remapped; the soften_mmap flag won't persist to child processes.
kernel: fopskit: fopskit_find_sym_addr() failed with return code -14 for fops_hook { name => sys_newuname, addr => 0, found => 0, hooked => 0 } at fopskit_find_sym_addr() line 223
kernel: tpe: added to kernel

Kernel: 

$ uname -a
Linux morfikownia 4.20.16-amd64-morficzny+ #1 SMP PREEMPT Sun Mar 10 14:48:11 CET 2019 x86_64 GNU/Linux
cormander commented 5 years ago

Hi,

Kernel symbol names can change over time so I’ll address these when the 4.x work is being done, maybe this weekend.

These particular ones are rather benign but will be addressed.