2. 分析导致“kernel null pointer dereference at virtual address 00000200”的可能原因 指针未初始化:在内核代码中,某个指针在使用前没有被正确初始化或赋值为 NULL,但后续又被用作内存访问的基地址。 指针被错误地清零:在程序的某处,可能有一个逻辑错误导致原本应该指向有效内存地址的指针被错误地设置为 NULL。
Unable to handle kernel NULL pointer dereference at virtual address 分析 现象 [136.847780] br-lan: received packet on eth0.1with own addressassource address (addr:00:02:e7:f5:02:02, vlan:0) [138.026055] Unable to handle kernel NULL pointer dereference atvirtualaddress00000010[138.034175] pgd =...
Ubuntu内核bug https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/1981658 用kdump捕捉到dmesg日志后会发现有这种bug错误 BUG: kernel NULL pointer dereference, address: 0000000000000008 处理方法,针对ubuntu的报错,建议升级内核,或者换其他类型的 Linux操作系统。
VxVM vxdmp V-5-0-0 [Error] i/o error occurred (errno=0x6) on dmpnode 201/0x1950 BUG: unable to handle kernel NULL pointer dereference at 00000000000002c0 IP: [<ffffffffa0145a94>] vxdmp_submit_bio+0x24/0x2f0 [vxdmp] <<<--- PGD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/...
[ 81.443189] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018 [ 81.452000] Mem abort info: [ 81.454785] ESR = 0x96000005 [ 81.457832] EC = 0x25: DABT (current EL), IL = 32 bits [ 81.463137] SET = 0, FnV = 0 [ 81.466182] EA = 0, S1PTW = 0 [...
The issue is because of dereferencing of a null address inRIPatafs_linux_write_begin+0x36/0x160by the unsigned moduleopenafs. Diagnostic Steps Kernel ring buffer fromvmcore-dmesg.txt Raw $ tail -n 40 vmcore-dmesg.txt [1476087.659656] BUG: unable to handle kernel NULL pointer dereference at ...
这说明是非法指针的使用,才导致系统出错。 [ 1023.510000] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 1023.520000] pgd = c0004000 [ 1023.520000] [00000000] *pgd=00000000 [ 1023.520000] Internal error: Oops: 17 [#1] ...
我们还是先用IDA分析HEVD.sys,大概看一下函数的流程,函数首先验证了我们传入UserBuffer是否在用户模式下,然后申请了一块池,打印了池的一些属性之后判断UserValue是否等于一个数值,相等则打印一些NullPointerDereference的属性,不相等则将它释放并且置为NULL,但是下面没有做任何检验就直接引用了NullPointerDereference->Call...
linux报错Unable to handle kernel NULL pointer dereference at virtual address,零.目录一.文件和目录类Fileexist文件已经存在Nosuchfileordirectory没有这个文件或目录(这个东西不存在)commandnotfound命令找不到(没有这个命令)invalidoption无效的参数(不可用的参数)ov
Panic log: [20.896935] c3554(netd) Unable to handle kernel NULL pointer dereference atvirtualaddress00000012[20.906200] c3554(netd) pgd =ffffffc02f746000 [20.910793] c3554(netd) SEH:seh_api_ioctl_handler7[20.910793] [20.917357] c3554(netd) [00000012] *pgd=0000000000000000[20.922798] c3554(netd...