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authorMichael Buesch <mb@bu3sch.de>2009-07-20 22:58:44 +0000
committerHelge Deller <deller@gmx.de>2009-08-02 12:35:52 +0200
commit6b4dbcd86a9d464057fcc7abe4d0574093071fcc (patch)
treedd1dc64562db85a382a6118335821c311809cac3 /arch/parisc
parent450d6e306b4717bfae11218a02648509baf04ce1 (diff)
parisc: isa-eeprom - Fix loff_t usage
loff_t is a signed type. If userspace passes a negative ppos, the "count" range check is weakened. "count"s bigger than HPEE_MAX_LENGTH will pass the check. Also, if ppos is negative, the readb(eisa_eeprom_addr + *ppos) will poke in random memory. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: stable@kernel.org Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
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