Patch 1/2 fixes a slab out-of-bounds occurring with short SCTP packets over IPv4 over L2TP over IPv6 on a configuration with relatively low HEADER_MAX.
Patch 2/2 makes sure we panic in neigh_hh_output() instead of silently writing before the allocated buffer in case the headroom is enough for the unaligned hardware header size, but not enough for the aligned one. Stefano Brivio (2): ipv6: Check available headroom in ip6_xmit() even without options neighbour: BUG_ON() writing before skb->head in neigh_hh_output() include/net/neighbour.h | 8 ++++++-- net/ipv6/ip6_output.c | 42 ++++++++++++++++++++--------------------- 2 files changed, 27 insertions(+), 23 deletions(-) -- 2.19.2
