4.2.2011 irritates PAX

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L29Ah
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Posts: 16
Joined: Sun Nov 28, 2010 6:35 am

4.2.2011 irritates PAX

Postby L29Ah » Wed Feb 25, 2015 12:35 am

PAX kills every software using OSS. ossmix, for instance:
[ 430.698432] PAX: kernel memory overwrite attempt detected to ffff8800904efcf8 (<process stack>) (220 bytes)
[ 430.698442] CPU: 1 PID: 17223 Comm: ossmix Tainted: G O 3.18.7-grsec-rt1+ #23
[ 430.698446] Hardware name: LENOVO / , BIOS 6QET62WW (1.32 ) 12/17/2010
[ 430.698449] ffff8800904efcf8 ffff8800904efc28 ffffffff817479c2 0000000080000000
[ 430.698455] 00000000000000dc ffff8800904efc78 ffffffff8117a97f ffffffff81aa4000
[ 430.698461] ffffffff00000002 ffff880000000002 ffff8800904ec000 0000000000000000
[ 430.698466] Call Trace:
[ 430.698479] [<ffffffff817479c2>] dump_stack+0x4f/0x7c
[ 430.698489] [<ffffffff8117a97f>] __check_object_size+0x21f/0x230
[ 430.698502] [<ffffffffa068904f>] oss_copy_from_user+0xaf/0x120 [osscore]
[ 430.698513] [<ffffffffa068af2d>] oss_cdev_ioctl+0x1bd/0x250 [osscore]
[ 430.698522] [<ffffffff813526b3>] ? __this_cpu_preempt_check+0x13/0x20
[ 430.698527] [<ffffffff81352697>] ? debug_smp_processor_id+0x17/0x20
[ 430.698535] [<ffffffff8112873c>] ? __lru_cache_add+0xbc/0x150
[ 430.698541] [<ffffffff81128d56>] ? lru_cache_add_active_or_unevictable+0x26/0x90
[ 430.698549] [<ffffffff81146f21>] ? handle_mm_fault+0x231/0xb70
[ 430.698559] [<ffffffffa068afd3>] ? oss_cdev_unlocked_ioctl+0x13/0x20 [osscore]
[ 430.698566] [<ffffffff811895c4>] ? do_vfs_ioctl+0x444/0x760
[ 430.698574] [<ffffffff81328c00>] ? gr_learn_resource+0x30/0x190
[ 430.698581] [<ffffffff8114dba0>] ? do_brk+0x1c0/0x390
[ 430.698587] [<ffffffff8118991c>] ? SyS_ioctl+0x3c/0x80
[ 430.698594] [<ffffffff81751c7e>] ? system_call_fastpath+0x12/0x17

What can I do about it?

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