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系统安全

系统安全 linux系统安全 Linux内核安全模块深入剖析- 李志.pdf CFT CTF竞赛入门指南(CTF All In One) CTF竞赛权威指南 GitBook CTF竞赛权威指南 洞悉漏洞 user 用户和组管理 Linux gpasswd命令用法详解:把用户添加进组或从组中删除 创建一个新用户 wujing,指定家目录为 /home/wujing,
2025-03-28
linux > kernel > security
#books #deb #deepin #gdb #git #go #kernel #linux #log #shell #develop #mm #net #thread #modules #security #kms

deepin专业版激活

deepin专业版激活1. ac认证上网认证系统 2. 激活方式一: 12设置 -> 系统信息 -> 关于本机 -> 激活 -> 设置 -> 自定义kms::// kms.uniontech.com:8900:nqYvXZXdNPKNn335 方式二: 1uos-activator-cmd -s --kms kms.uniontech.com:8900:Vlc1cG
2025-03-28
linux > distro > deepin > kms
#deepin #kms

ls: 无法访问 '/mnt/alluxio-fuse': 输入/输出错误

ls: 无法访问 ‘/mnt/alluxio-fuse’: 输入/输出错误bug复现alluxio-fuse挂载前再次ls上级目录: 1234567[root@clusterd-test ~]# ll /runtime-mnt/alluxio/default/hbase3/总用量 0drwxr-xr-x 2 root root 6 9月 14 18:43 allux
2025-03-28
linux > kernel > fs > bugs > fuse
#bpf #deb #debug #docker #fs #git #java #kernel #linux #log #task #tools #vim #mm #net #struct #extern #mutex #pthread #thread #proc #proxy #sync #rcu #security #container

237413|亿道KU18C 系统下内存信息PN与实际少1位

237413|亿道KU18C 系统下内存信息PN与实际少1位https://pms.uniontech.com/bug-view-237413.html 12vim drivers/firmware/dmi_scan.c +401dmi_memdev[nr].bank = dmi_string(dm, d[0x12]);
2025-03-28
linux > kernel > mm > bugs > 237413
#drivers #vim

fix kmemleak on get_cpu_name

fix kmemleak on get_cpu_namekmemleak1234567891011121314151617181920212223242526272829303132333435363738394041424344unreferenced object 0xffff8003955c6980 (size 128): comm "systemd", pid 1,
2025-03-28
linux > kernel > mm > bugs > 238303
#3d #bpf #deb #fs #git #kernel #linux #virt #mm #struct #proc

virtio_gpu_fence_alloc kmemleak leads to a very high memory of the kmalloc-128 slabs

virtio_gpu_fence_alloc kmemleak leads to a very high memory of the kmalloc-128 slabs环境宿主机 cpu: 飞腾D2000 os: uos20-1060-arm64 virt-manager: 1:2.0.0.6-1+eagle 123456789apt policy virt-managervirt-manag
2025-03-28
linux > kernel > mm > bugs > 238303
#3d #boot #bpf #deb #debug #deepin #fs #gdb #git #gpu #kernel #kvm #linux #log #perf #pkg #python #qemu #redis #sources #tools #vim #virt #mm #net #struct #thread #proc #sync #security #bugs

xorg blocked when using virtio_gpu

xorg blocked when using virtio_gpu初步排查1234567891011121314151617181920212217:37:38 id:1706521058487cat/proc/1458/stack__switch_to+0xdc/0x148 // 进程切换的一部分,表示内核正在执行进程上下文切换的相关代码__flush_work+0x110/0x250 /
2025-03-28
linux > kernel > mm > bugs > 238303
#boot #bpf #fs #gpu #kdump #kernel #linux #task #tools #vim #virt #mm #net #struct #mutex #proc

very high memory usage due to kernfs_node_cache slabs

very high memory usage due to kernfs_node_cache slabshttps://pms.uniontech.com/bug-view-238303.html bug环境12uname -aLinux 0000000g-A8cUta6pu5 4.19.0-arm64-desktop-tyy-5819-ext4-slub-debug-kmemleak #581
2025-03-28
linux > kernel > mm > bugs > 238303
#3d #bpf #deb #debug #deepin #fs #git #go #grub #kernel #linux #log #perf #pkg #redis #sources #task #vim #mm #net #struct #mutex #thread #dbus #proc #sync #rcu #container #irq #bugs

Unable to handle kernel paging request at virtual address ffff002008c377b0

Unable to handle kernel paging request at virtual address ffff002008c377b01sed -n '1019193,1019289'p kern.log > /home/wujing/code/realwujing.github.io/linux/kernel/bugs/247295/kern.log U
2025-03-28
linux > kernel > mm > bugs > 247295
#fs #gdb #git #kernel #linux #log #virt #struct #bugs

oops on down_read_trylock when inode use-after-free

oops on down_read_trylock when inode use-after-freeoops log123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051[454096.703799] Unable to handle kernel NULL poi
2025-03-28
linux > kernel > mm > bugs > down_read_trylock
#fs #gdb #kernel #linux #log #qemu #sources #virt #mm #net #struct #proc #modules
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