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07b87f9eea
linux-stable/net/xfrm
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Steffen Klassert 07b87f9eea xfrm: Fix unregister netdevice hang on hardware offload. 
When offloading xfrm states to hardware, the offloading
device is attached to the skbs secpath. If a skb is free
is deferred, an unregister netdevice hangs because the
netdevice is still refcounted.

Fix this by removing the netdevice from the xfrm states
when the netdevice is unregistered. To find all xfrm states
that need to be cleared we add another list where skbs
linked to that are unlinked from the lists (deleted)
but not yet freed.

Fixes: d77e38e612 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2024-06-25 10:02:55 +02:00
..
espintcp.c net: move netdev_max_backlog to net_hotdata 2024-03-07 21:12:42 -08:00
Kconfig ipsec: Select CRYPTO_AEAD 2023-10-01 16:28:14 +08:00
Makefile bpf: xfrm: Add bpf_xdp_get_xfrm_state() kfunc 2023-12-14 17:12:49 -08:00
xfrm_algo.c net: fill in MODULE_DESCRIPTION()s for xfrm 2024-02-09 14:12:01 -08:00
xfrm_compat.c xfrm: Add Direction to the SA in or out 2024-05-01 10:05:11 +02:00
xfrm_device.c xfrm: Add Direction to the SA in or out 2024-05-01 10:05:11 +02:00
xfrm_hash.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
xfrm_hash.h xfrm: add state hashtable keyed by seq 2021-05-14 13:52:01 +02:00
xfrm_inout.h xfrm: move xfrm4_extract_header to common helper 2020-05-06 09:40:08 +02:00
xfrm_input.c xfrm: Log input direction mismatch error in one place 2024-06-17 13:53:19 +02:00
xfrm_interface_bpf.c bpf: treewide: Annotate BPF kfuncs in BTF 2024-01-31 20:40:56 -08:00
xfrm_interface_core.c rtnetlink: allow rtnl_fill_link_netnsid() to run under RCU protection 2024-05-07 11:14:50 +02:00
xfrm_ipcomp.c net: introduce and use skb_frag_fill_page_desc() 2023-05-13 19:47:56 +01:00
xfrm_output.c xfrm: set skb control buffer based on packet offload as well 2024-03-05 10:49:44 +01:00
xfrm_policy.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
xfrm_proc.c xfrm: Add dir validation to "in" data path lookup 2024-05-01 10:06:27 +02:00
xfrm_replay.c xfrm: Add Direction to the SA in or out 2024-05-01 10:05:11 +02:00
xfrm_state_bpf.c bpf: treewide: Annotate BPF kfuncs in BTF 2024-01-31 20:40:56 -08:00
xfrm_state.c xfrm: Fix unregister netdevice hang on hardware offload. 2024-06-25 10:02:55 +02:00
xfrm_sysctl.c net: Remove ctl_table sentinel elements from several networking subsystems 2024-05-03 13:29:42 +01:00
xfrm_user.c xfrm: Restrict SA direction attribute to specific netlink message types 2024-05-01 10:06:59 +02:00