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Here is a batman-adv bugfix:

Browse Source 
- Don't skb_split skbuffs with frag_list, by Sven Eckelmann
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Merge tag 'batadv-net-pullrequest-20220508' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
Here is a batman-adv bugfix:

 - Don't skb_split skbuffs with frag_list, by Sven Eckelmann

* tag 'batadv-net-pullrequest-20220508' of git://git.open-mesh.org/linux-merge:
  batman-adv: Don't skb_split skbuffs with frag_list
====================

Link: https://lore.kernel.org/r/20220508132110.20451-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-05-09 18:16:46 -07:00
commit fc54e39199
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net/batman-adv/fragmentation.c
View File

@ -475,6 +475,17 @@ int batadv_frag_send_packet(struct sk_buff *skb,
goto free_skb;
}
/* GRO might have added fragments to the fragment list instead of
* frags[]. But this is not handled by skb_split and must be
* linearized to avoid incorrect length information after all
* batman-adv fragments were created and submitted to the
* hard-interface
*/
if (skb_has_frag_list(skb) && __skb_linearize(skb)) {
ret = -ENOMEM;
goto free_skb;
}
/* Create one header to be copied to all fragments */
frag_header.packet_type = BATADV_UNICAST_FRAG;
frag_header.version = BATADV_COMPAT_VERSION;