The passed va_list ap cannot be used more than once. In order to deal with
vsprintf retry, it needs to be copied first. Fixes a procd crash observed
on several platforms.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
On some MIPS systems, mmap addresses need to be aligned to multiple pages, in
order to avoid issues with data cache aliases. Add an arch specific quirk to
allocate memory in 32 KiB chunks and align addresses returned by mmap.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Fixes a race condition where freeing a buffer and immediately re-allocating and
adding it would fail to pass the file descriptor to udebugd
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Can be used to reserve worst case length using udebug_entry_append,
then setting the final length using udebug_entry_set_length
Signed-off-by: Felix Fietkau <nbd@nbd.name>
