DF-4067 / run.log
DF-4067 model: ti_rxeof trusts NIC-DMA'd u16 ti_len (if_ti.c:1690) with no bound vs buffer size std (MCLBYTES cluster) usable=2046 firmware-legit max=1518 claim max=65535 -> OOB read up to 63489 bytes past buffer mini (MHLEN mbuf hdr area) usable=222 firmware-legit max=222 claim max=65535 -> OOB read up to 65313 bytes past buffer jumbo (TI_JLEN slot) usable=9022 firmware-legit max=9018 claim max=65535 -> OOB read up to 56513 bytes past buffer std ring detail: m_len=65535 on 2048B cluster -> m_copydata/BPF read 65535 bytes starting at data(+2): 63489 bytes OOB (16x the cluster) jumbo ring detail: m_len=65535 on 9024B slot -> 56513 bytes OOB; slot pool block = TI_JSLOTS*TI_JLEN = 3465216 bytes, so claims beyond the block read past the contigmalloc region RC_DF4067_MODEL=0 RC=0