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authorVlad Malov <Vlad.Malov@caviumnetworks.com>2008-11-19 02:05:46 +0300
committerRalf Baechle <ralf@linux-mips.org>2008-12-04 20:47:26 +0300
commite807f9574e37a3f202e677feaaad1b7c5d2c0db8 (patch)
treea9b61e4d8f4e53a81df3bb14df0a4c2b037d8d81 /arch/mips/mti-malta
parentfeaf3848a813a106f163013af6fcf6c4bfec92d9 (diff)
downloadlinux-e807f9574e37a3f202e677feaaad1b7c5d2c0db8.tar.xz
MIPS: Fix potential DOS by untrusted user app.
On a 64 bit kernel if an o32 syscall was made with a syscall number less than 4000, we would read the function from outside of the bounds of the syscall table. This led to non-deterministic behavior including system crashes. While we were at it we reworked the 32 bit version as well to use fewer instructions. Both 32 and 64 bit versions are use the same code now. Signed-off-by: Vlad Malov <Vlad.Malov@caviumnetworks.com> Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mti-malta')
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