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On 14/11/07 17:42 +0100, Christian Parpart wrote: |
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> hi all, |
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> |
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> when executing a really very simple hello world (or let's say: any program) |
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> on a hardened-sources gentoo host, the application gets killed and i receive |
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> the following in the logs: |
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> |
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> Nov 14 17:39:02 leibniz PAX: From 192.168.2.230: execution attempt |
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> in: <anonymous mapping>, 4023ac000-403c6e000 4023ac000 |
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> Nov 14 17:39:02 leibniz PAX: terminating task: |
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> /usr/lib64/valgrind/amd64-linux/memcheck(memcheck):13484, |
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> uid/euid: 1002/1002, PC: 00000004023ac008, SP: 00000004023a9d70 |
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> Nov 14 17:39:02 leibniz PAX: bytes at PC: 4c 8b a5 68 02 00 00 |
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> 4c 8b 6d 20 4c 89 a5 80 02 00 00 4c 89 |
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> Nov 14 17:39:02 leibniz PAX: bytes at SP-8: 0000000000001f80 |
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> 00000000000186a0 000000003916c0e8 000000003916c0d8 000000003916c0d8 |
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> 0000000000000000 00000004023a9f80 000000003916c0d8 000000003916cde8 |
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> 00000000000186a1 0000000000000000 |
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> Nov 14 17:39:02 leibniz grsec: From 192.168.2.230: denied resource overstep |
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> by requesting 4096 for RLIMIT_CORE against limit 0 for |
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> /usr/lib64/valgrind/amd64-linux/memcheck[memcheck:13484] |
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> uid/euid:1002/1002 gid/egid:1005/1005, parent /bin/bash[bash:7907] |
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> uid/euid:1002/1002 gid/egid:1005/1005 |
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|
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That sounds like PAX_MPROTECT (the anonymous memory part especially). |
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Try disabling it and recompile your kernel. As the PAX options ain't |
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sysctl-able, that's the only way. |
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|
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Otherwise you could try marking the executeable with chpax/paxctl. |
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-- |
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