canvas 绘制跨域图片，导出为图片的时候会出现 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted
$a; echo $a, ""; // Warning: main() [echo]: Attempt to echo a string that might be tainted in /...12 print $$var; echo ""; // Warning: main() [print]: Attempt to print a string that might be tainted...might be tainted 也就是有污点内容的意思。 大部分输出或者操作数据库之类的函数都会报出这些警告，这些内容的具体信息可以在官方文档中查询到。...var_dump(is_tainted($var)); // bool(false) echo ""; var_dump(is_tainted($output)); // bool(true...; echo $newOutput, ""; // Warning: main() [echo]: Attempt to echo a string that might be tainted
Node节点的污点 [root@k8s-master ~]#kubectl taint nodes k8s-node1 check1=yuanzhang1:NoExecute node/k8s-node1 tainted...[root@k8s-master ~]#kubectl taint nodes k8s-node2 check2=yuanzhang2:NoExecute node/k8s-node2 tainted...[root@k8s-master ~]#kubectl taint nodes k8s-node3 check3=yuanzhang3:NoExecute node/k8s-node3 tainted
k8s-master01 ~]# kubectl taint node k8s-master01 node-role.kubernetes.io/master="":NoSchedulenode/k8s-master01 tainted...k8s-master01 ~]# kubectl taint node k8s-master02 node-role.kubernetes.io/master="":NoSchedulenode/k8s-master02 tainted...k8s-master01 ~]# kubectl taint node k8s-master03 node-role.kubernetes.io/master="":NoSchedulenode/k8s-master03 tainted...k8s-master01 ~]# kubectl taint node k8s-master03 node-role.kubernetes.io/master="":NoExecutenode/k8s-master03 tainted...k8s-master01 ~]# kubectl taint node k8s-master02 node-role.kubernetes.io/master="":NoExecutenode/k8s-master02 tainted
要理解Source和Tainted Source之间的区别，请看下面的代码： var name = document.URL.indexOf("name=") + 5;...<- TAINTED SOURCE document.write("Welcome " + document.URL.substring(name, document.URL.length...document.cookie） 然后通过分析页面代码： script> var pos = document.URL.indexOf("foo=") + 4; <- TAINTED...document.URL.indexOf("name=") + 5; var name = document.URL.substring(pos, document.URL.length); <- TAINTED
AND ESP, …，若在执行后（bx_instr_after_execution）ESP发生递减，则调用taint::set_taint(new_rsp, length, /*tainted=*/true...new_rsp; if (length <= kTaintHelperAllocSize) { taint::set_taint(new_rsp, length, /*tainted...= globals::rsp_locked.end()) { return; } taint::set_taint(lin, len, /*tainted=*/false); } 污点传播...= 0; taint::access_type type = taint::check_taint(pcpu, src, size, &tainted_offset); if (type...== taint::METADATA_MARKER_MISMATCH) { taint::set_taint(src, size, /*tainted=*/false); } else
; return true; } [ 0.003251] create kworker 0:0 [ 0.003266] CPU: 0 PID: 1 Comm: swapper/0 Not tainted...secondary CPUs ... [ 0.150389] create kworker 1:0 [ 0.150407] CPU: 0 PID: 1 Comm: swapper/0 Not tainted...variant 9 rev 4 [ 0.178840] create kworker u4:1 [ 0.178859] CPU: 0 PID: 5 Comm: kworker/u4:0 Not tainted...create kworker 0:1 [ 0.199719] create kworker 1:1 [ 0.199733] CPU: 1 PID: 16 Comm: kworker/1:0 Not tainted...kthread) from [] (ret_from_fork+0x14/0x24) [ 0.199923] CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted
给节点添加污点 if kubectl taint nodes $NODE $TAINT_KEY=$TAINT_VALUE:$TAINT_EFFECT; then echo "[$(date)] Tainted...sh drain_nodes.sh [Sun Nov 3 18:13:04 CST 2024] Starting to process node k8s-node-1 node/k8s-node-1 tainted...[Sun Nov 3 18:13:04 CST 2024] Tainted node k8s-node-1 successfully node/k8s-node-1 cordoned [Sun Nov
漏洞是由对于mbuf_copydata的调用（包含用户控制的大小参数）引起的，因此只要写一个简单的查询脚本即可发现类似错误： ** * @name mbuf copydata with tainted...* @kind path-problem * @problem.severity warning * @id apple-xnu/cpp/mbuf-copydata-with-tainted-size...DataFlow::PathNode sink where cfg.hasFlowPath(source, sink) select sink, source, sink, "m_copydata with tainted
predicate isSink(DataFlow::Node sink) { sink instanceof EvalJavaScriptSink } 进化只是专注于获得正确的结果，就像tainted...在tainted + foo当它是一个流程的最后一步。...* * There's an additional taint step specified in order to catch * `tainted` in sinks like `tainted...* * There's an additional taint step specified in order to catch * `tainted` in sinks like `tainted
查询无法被执行的异常处理块 寻找可能将不可迭代对象作为循环迭代的位置 Finding calls using call-graph analysis 问题： Analyzing data flow & tracking tainted...For more information, see Analyzing data flow and tracking tainted data in Python....Analyzing data flow & tracking tainted data —— 数据流、污点追踪 Tracking user-controlled, or tainted, data is
three.js 贴图时一直报"DOMException: Failed to execute 'texImage2D' on 'WebGLRenderingContext': Tainted canvases
ptrval____), pc = 0xffff0000080d2c98, pstate = 0x80000005 [ 19.913657] CPU: 0 PID: 1358 Comm: udevd Tainted...post_handler: p->addr = 0x(____ptrval____), pstate = 0x80000005 [ 19.929361] CPU: 0 PID: 1358 Comm: udevd Tainted...PREEMPT SMP [ 19.076924] Modules linked in: kprobe_example(O) [ 19.077693] CPU: 0 PID: 1387 Comm: sh Tainted...post_handler: p->addr = 0x(____ptrval____), pstate = 0x80000005 [ 58.882960] CPU: 1 PID: 1388 Comm: sh Tainted
failure. order:0, mode:0x20 2020-03-16T17:56:07.505719+08:00 VECS0xxxx kernel: Pid: 12845, comm: java Not tainted...29054 blocked for more than 120 seconds. 31 2020-03-27T10:35:28.769932+08:00 VECSxxxx kernel: Not tainted...blocked for more than 120 seconds. 1657 2020-04-01T17:19:52.464266+08:00 VECS0xxx kernel: Not tainted
fb_sys_fops syscopyarea hid snd_hda_core dw_dmac_core sysfillr [226041.369120] CPU: 0 PID: 28884 Comm: lsof Tainted...0000000049e50b00, epc == ffffffff803914 [ 1722.976089] Oops[#1]:[ 1723.048769] CPU: 1 PID: 5900 Comm: applet.py Tainted...megaraid_sas fjes button [ 52.167146] [ 52.179941] CPU: 39 PID: 1717 Comm: in:imuxsock Tainted...[ 40.816000] Pid : 779, Comm: reboot [ 40.816000] CPU : 0 Not tainted
, device number 11 3 [ 5246.942980] dump_stack start 4 [ 5246.942985] Pid: 3438, comm: insmod Not tainted
detected ]---------------------------------------------------------------检测到的死锁描述：递归死锁类型 4.0.0+ #87 Tainted...CPU: 0 PID: 658 Comm: insmod Tainted: G O 4.0.0+ #87 Hardware name: ARM-Versatile Express [...dead4ead, .owner: insmod/658, .owner_cpu: 0-----------发生死锁的是hack_spinB CPU: 0 PID: 658 Comm: insmod Tainted...================================ [ INFO: possible circular locking dependency detected ] 4.0.0+ #92 Tainted..., at: [] process_one_work+0x130/0x60c stack backtrace: CPU: 1 PID: 343 Comm: kworker/1:1 Tainted
Uncaught DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted
Intent传入的数据，下面展示定义的部分污染源（source点）： - EditText android/widget/EditText.getText()Landroid/text/Editable;:TAINTED...- Intent android/content/Intent.getAction()Ljava/lang/String;:TAINTED android/content/Intent.getStringExtra...(Ljava/lang/String;)Ljava/lang/String;:TAINTED ...... - Bundle android/os/Bundle.get(Ljava/lang/String...;)Ljava/lang/Object;:TAINTED android/os/Bundle.getString(Ljava/lang/String;)Ljava/lang/String;:TAINTED
中写好的Img标签里设置crossorigin属性，浏览器就会抛出DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted
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