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Document wokaround for yama ptrace restrictions

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Fixes: 138580915
Test: m checkbuild
Change-Id: Iefee8a914225d465a1feb37690a54423be332841
This commit is contained in:
Colin Cross 2019-07-29 16:43:11 -07:00
parent 88e3f7e3de
commit 8baf29fb10
1 changed files with 12 additions and 0 deletions
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README.md
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@ -355,6 +355,18 @@ and then in another terminal:
dlv connect :1234
```
If you see an error:
```
Could not attach to pid 593: this could be caused by a kernel
security setting, try writing "0" to /proc/sys/kernel/yama/ptrace_scope
```
you can temporarily disable
[Yama's ptrace protection](https://www.kernel.org/doc/Documentation/security/Yama.txt)
using:
```bash
sudo sysctl -w kernel.yama.ptrace_scope=0
```
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