[ 2634.267798] LinuxKernelDebugHelper: module verification failed: signature and/or required key missing – tainting kernel [ 2634.285642] BUG: kernel NULL pointer dereference, address: 0000000000000100 [ 2634.
}audit_log_kern_module(mod->name);/* Reserve our place in the list. */err =add_unformed_module(mod);if(err) goto free_module; #ifdef CONFIG_MODULE_SIGmod->sig_ok = info->sig_ok;if(!mod->sig_ok) {pr_notice_once("%s: module verification failed: signature ""and/or required key ...
CONFIG_MODULE_SIG:Module signature verification 如果开启了该选项,在内核在加载内核模块时,会对内核模块的签名进行检查。 默认情况下,在加载没有签名或者是签名不正确的内核模块时,内核仅仅是打印一条提示信息,比如: k_netlink: module verification failed: signature and/or required key missing - tainting kernel...
对于非fatal错误,内核模块正常加载;内核打印一次性提示信息module verification failed: signature and/or required key missing - tainting kernel,并标记内核和对应模块的taint flag TAINT_UNSIGNED_MODULE; 对于fatal错误,内核模块加载失败,并返回对应的错误码给用户态insmod/modprobe程序。 如果开启了内核模块强制签名检查...
出现hello: module verification failed: signature and/or required key missing - tainting kernel 不影响模块的加载. 最后模块退出(rm mod 模块名): 这样一个hello World 就完成啦! 对于hello.c文件的模块编程还是有必要说明一下的.
hello: module verification failed: signature and/or required key missing - tainting kernel 设置自动加载 方法1 sudo vi /etc/modules 增加一行 hello 方法2 sudo vi /etc/init.d/hello 添加以下内容 #!/bin/sh -e modprobe hello sudo chmod 777 /etc/init.d/hello ...
CONFIG_MODULE_SIG:Module signature verification 如果开启了该选项,在内核在加载内核模块时,会对内核模块的签名进行检查。 默认情况下,在加载没有签名或者是签名不正确的内核模块时,内核仅仅是打印一条提示信息,比如: k_netlink:moduleverification failed: signatureand/orrequiredkeymissing - tainting kernel ...
[ 13.615611] mzoneinfo: module verification failed: signature and/or required key missing - tainting kernel [ 305.100071] BUG: unable to handle kernel NULL pointer dereference at 0000000000000074 [ 305.101048] IP: [<ffffffffc02d74c0>] 0xffffffffc02d74c0 ...
pr_notice_once("%s: module verification failed: signature ""and/or required key missing - tainting ""kernel\\n",mod- >name); add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK); } #endif/* To avoid stressing percpuallocator, do this once we're unique. */err = percpu_mod...
[ 1.823447] Freeing unused kernel memory: 796K (ffff880001739000 - ffff880001800000) [ 1.826206] Freeing unused kernel memory: 688K (ffff880001b54000 - ffff880001c00000) [ 1.841452] systemd-udevd[116]: starting version 204 [ 1.875918] rtsx_pci 0000:04:00.0: irq 50 for MSI/MSI-X ...