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686202
2011 Jul 16
1
crash in extlinux/main
Hi,
I found a bug in extlinux/main.c. Writing a bootloader on a file mounted via
/dev/mapper in Lunix it crashed on me with a segment fault.
The bug is here:
if (!ioctl(devfd, HDIO_GETGEO, &geo)) {
Since we are already called with geo as a pointer the & is wrong as the
pointer itself will be overwritten.
This works:
int get_geometry(int devfd, uint64_t totalbytes, struct