I have successfully modified two of the mentioned three functions and
tested the module, so far UBSAN does not complain anymore :)
Unfdortunately I can't rewrite the third function, since it does not
match the pattern (and I have no idea what I'm doing)
for (tc = 0U; tc < self->aq_nic_cfg.tcs; tc++) {
for (i = 0U, aq_vec = self->aq_vec[0];
aq_vec && self->aq_vecs > i;
++i, aq_vec = self->aq_vec[i]) {
data += count;
count = aq_vec_get_sw_stats(aq_vec, tc, data);
}
}
I have included a diff for the other two functions.
** Patch added: "aq_nic.c.diff"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958770/+attachment/5588496/+files/aq_nic.c.diff
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https://bugs.launchpad.net/bugs/1958770
Title:
Aquantia GbE LAN driver causes UBSAN error during kernel boot
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