Re: [net v2] tipc: fix NULL deref in tipc_link_xmit()

2021-01-09 Thread patchwork-bot+netdevbpf
R14: R15: c9007018 > [] FS: () GS:88803740() knlGS:000[...] > [] CS: 0010 DS: ES: CR0: 80050033 > [] CR2: 7fffd2db5000 CR3: 2b08f000 CR4: 0000000006f0 > > [...] Here is th

[net v2] tipc: fix NULL deref in tipc_link_xmit()

2021-01-07 Thread Hoang Huu Le
From: Hoang Le The buffer list can have zero skb as following path: tipc_named_node_up()->tipc_node_xmit()->tipc_link_xmit(), so we need to check the list before casting an &sk_buff. Fault report: [] tipc: Bulk publication failure [] general protection fault, probably for non-canonical [#1] PR