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Fix log terminal write insecure copying.

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This commit is contained in:
Jonas 'Sortie' Termansen 2015-08-19 23:43:11 +02:00
parent 6cf07034d5
commit a5eacdbdcc
1 changed files with 3 additions and 3 deletions
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6
kernel/logterminal.cpp
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@ -408,16 +408,16 @@ ssize_t LogTerminal::read(ioctx_t* ctx, uint8_t* userbuf, size_t count)
return sofar;
}
ssize_t LogTerminal::write(ioctx_t* ctx, const uint8_t* buf, size_t count)
ssize_t LogTerminal::write(ioctx_t* ctx, const uint8_t* io_buffer, size_t count)
{
// TODO: Add support for ioctx to the kernel log.
const size_t BUFFER_SIZE = 64UL;
if ( BUFFER_SIZE < count )
count = BUFFER_SIZE;
char buffer[BUFFER_SIZE];
if ( !ctx->copy_from_src(buffer, buf, count) )
if ( !ctx->copy_from_src(buffer, io_buffer, count) )
return -1;
Log::PrintData(buf, count);
Log::PrintData(buffer, count);
return count;
}