diff options
| author | Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> | 2023-03-13 12:32:11 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-03-15 08:20:12 +0000 |
| commit | a02d83f9947d8f71904eda4de046630c3eb6802c (patch) | |
| tree | a1fb54f5edf7d597dababa7949e6fb89e152b240 /net/mac80211/aes_gmac.c | |
| parent | c4216a83078bc46f9e0475ff810a0a798572b0ec (diff) | |
scm: fix MSG_CTRUNC setting condition for SO_PASSSEC
Currently, kernel would set MSG_CTRUNC flag if msg_control buffer
wasn't provided and SO_PASSCRED was set or if there was pending SCM_RIGHTS.
For some reason we have no corresponding check for SO_PASSSEC.
In the recvmsg(2) doc we have:
MSG_CTRUNC
indicates that some control data was discarded due to lack
of space in the buffer for ancillary data.
So, we need to set MSG_CTRUNC flag for all types of SCM.
This change can break applications those don't check MSG_CTRUNC flag.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Leon Romanovsky <leon@kernel.org>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
v2:
- commit message was rewritten according to Eric's suggestion
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/aes_gmac.c')
0 files changed, 0 insertions, 0 deletions