警告:禁用地址空间随机化时出错:不允许操作

我做错了(或没有做过)gdb对我而言无法正常工作?

root@6be3d60ab7c6:/# cat minimal.c 

int main()

{

int i = 1337;

return 0;

}

root@6be3d60ab7c6:/# gcc -g minimal.c -o minimal

root@6be3d60ab7c6:/# gdb minimal

GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1

.

.

.

Reading symbols from minimal...done.

(gdb) break main

Breakpoint 1 at 0x4004f1: file minimal.c, line 3.

(gdb) run

Starting program: /minimal

warning: Error disabling address space randomization: Operation not permitted

During startup program exited normally.

(gdb)

(gdb) print i

No symbol "i" in current context.

回答:

如果您使用的是Docker,则可能需要该--security-opt seccomp=unconfined选项(以及启用ptrace):

docker run --cap-add=SYS_PTRACE --security-opt seccomp=unconfined

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