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authorTimo Teräs <timo.teras@iki.fi>2015-10-26 09:40:31 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2015-10-27 21:32:00 +0100
commit82c2fad26c4134cc60eed9a3f05a9bbec70ab65b (patch)
tree9d1045c5625cd2d86080ffbd4e03c35cacd863d8 /docs
parentcddc98eab7d770427941db4abae2da4ae68f1e68 (diff)
downloadbusybox-82c2fad26c4134cc60eed9a3f05a9bbec70ab65b.tar.gz
fbsplash: use virtual y size in mmap size calculations
The virtual y can be larger - and we can be even writing there since we are taking into account the y offset. Avoids possible crash. But use it only if set, seems it is not set if virtual area is not allocated (though, often fbcon allocates some scrollback area). Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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