[BUG] segfault when in linux kernel Grsecurity/PAX patch enabled (non-executable pages)

Xdev52 xdev52 at protonmail.com
Fri Mar 3 11:31:15 UTC 2017


hello,

There is segfault:
dmesg:

[ 226.213557] polkitd[6326]: segfault at 10 ip 0000037211be1a93 sp 000003a55ad1f300 error 4 in libpthread-2.23.so[37211bd8000+17000]




when enabled :

Symbol: PAX_PAGEEXEC [=y] │
│ Type : boolean │
│ Prompt: Paging based non-executable pages │
│ Location: │
│ -> Security options │
│ -> Grsecurity │
│ -> Grsecurity (GRKERNSEC [=y]) │
│ -> Customize Configuration │
│ -> PaX │
│ -> Enable various PaX features (PAX [=y]) │
│ -> Non-executable pages │

│ -> Enforce non-executable pages (PAX_NOEXEC [=y])

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