Duoming Zhou <duoming@xxxxxxxxxx> wrote: > The kzalloc() in brcmf_pmksa_v3_op() will return null if the > physical memory has run out. As a result, if we dereference > the null value, the null pointer dereference bug will happen. > > Return -ENOMEM from brcmf_pmksa_v3_op() if kzalloc() fails > for pmk_op. > > Fixes: a96202acaea4 ("wifi: brcmfmac: cfg80211: Add support for PMKID_V3 operations") > Acked-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> > Signed-off-by: Duoming Zhou <duoming@xxxxxxxxxx> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Patch applied to wireless-next.git, thanks. b4152222e04c wifi: brcm80211: handle pmk_op allocation failure -- https://patchwork.kernel.org/project/linux-wireless/patch/20240229103153.18533-1-duoming@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches