System crashed with EIP rw_vm+0x1c/0x29c

Solution Unverified - Updated -

Issue

  • System crashed with following panic message

    Unable to handle kernel NULL pointer dereference at virtual address 00000070
...
EIP:    0060:[<021559fc>]    Tainted: PF     VLI
...
Process hares (pid: 30834, threadinfo=7ab5e000 task=0f61c1f0)-----
...
Call Trace:
 [<021559fc>] rw_vm+0x1c/0x29c
 [<021559fc>] rw_vm+0x1c/0x29c
 [<02155f3b>] get_user_size+0x30/0x57
 [<021559fc>] rw_vm+0x1c/0x29c
 [<0211ad48>] __is_prefetch+0x1d5/0x2ba
 [<021378ea>] search_module_extables+0x5d/0x64
 [<021559fc>] rw_vm+0x1c/0x29c
 [<0211b17d>] do_page_fault+0x350/0x5f7
 [<0211ae2d>] do_page_fault+0x0/0x5f7

Environment

  • Red Hat Enterprise Linux 4.6
  • kernel-hugemem-2.6.9-55.9

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