From: Richard Guy Briggs Date: Tue, 2 May 2017 14:16:04 +0000 (-0400) Subject: audit: log module name on delete_module X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f6276ac95bde4312251535904af32b1de9d54949;p=openwrt%2Fstaging%2Fblogic.git audit: log module name on delete_module When a sysadmin wishes to monitor module unloading with a syscall rule such as: -a always,exit -F arch=x86_64 -S delete_module -F key=mod-unload the SYSCALL record doesn't tell us what module was requested for unloading. Use the new KERN_MODULE auxiliary record to record it. The SYSCALL record result code will list the return code. See: https://github.com/linux-audit/audit-kernel/issues/37 https://github.com/linux-audit/audit-kernel/issues/7 https://github.com/linux-audit/audit-kernel/wiki/RFE-Module-Load-Record-Format Signed-off-by: Richard Guy Briggs Acked-by: Jessica Yu Signed-off-by: Paul Moore --- diff --git a/kernel/module.c b/kernel/module.c index 7eba6dea4f41..23224d8ba00d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -947,6 +947,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, return -EFAULT; name[MODULE_NAME_LEN-1] = '\0'; + audit_log_kern_module(name); + if (mutex_lock_interruptible(&module_mutex) != 0) return -EINTR;