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| author | Michael Buesch <mb@bu3sch.de> | 2009-07-20 22:58:44 +0000 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2009-08-02 12:35:52 +0200 |
| commit | 6b4dbcd86a9d464057fcc7abe4d0574093071fcc (patch) | |
| tree | dd1dc64562db85a382a6118335821c311809cac3 /Documentation/unaligned-memory-access.txt | |
| parent | 450d6e306b4717bfae11218a02648509baf04ce1 (diff) | |
| download | linux-6b4dbcd86a9d464057fcc7abe4d0574093071fcc.tar.bz2 | |
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 'Documentation/unaligned-memory-access.txt')
0 files changed, 0 insertions, 0 deletions