Re: [PATCH net] kcm: lock lower socket in kcm_attach

2018-03-12 Thread Eric Biggers
On Mon, Mar 12, 2018 at 02:25:41PM -0700, Tom Herbert wrote: > On Mon, Mar 12, 2018 at 2:09 PM, Eric Biggers wrote: > > On Mon, Mar 12, 2018 at 02:04:12PM -0700, Tom Herbert wrote: > >> Need to lock lower socket in order to provide mutual exclusion > >> with kcm_unattach. > >> > >> Fixes: ab7ac4eb

Re: [PATCH net] kcm: lock lower socket in kcm_attach

2018-03-12 Thread Tom Herbert
On Mon, Mar 12, 2018 at 2:09 PM, Eric Biggers wrote: > On Mon, Mar 12, 2018 at 02:04:12PM -0700, Tom Herbert wrote: >> Need to lock lower socket in order to provide mutual exclusion >> with kcm_unattach. >> >> Fixes: ab7ac4eb9832e32a09f4e804 ("kcm: Kernel Connection Multiplexor module") >> Signed-

Re: [PATCH net] kcm: lock lower socket in kcm_attach

2018-03-12 Thread Eric Biggers
On Mon, Mar 12, 2018 at 02:04:12PM -0700, Tom Herbert wrote: > Need to lock lower socket in order to provide mutual exclusion > with kcm_unattach. > > Fixes: ab7ac4eb9832e32a09f4e804 ("kcm: Kernel Connection Multiplexor module") > Signed-off-by: Tom Herbert > --- Is this fixing the syzbot-report

[PATCH net] kcm: lock lower socket in kcm_attach

2018-03-12 Thread Tom Herbert
Need to lock lower socket in order to provide mutual exclusion with kcm_unattach. Fixes: ab7ac4eb9832e32a09f4e804 ("kcm: Kernel Connection Multiplexor module") Signed-off-by: Tom Herbert --- net/kcm/kcmsock.c | 33 +++-- 1 file changed, 23 insertions(+), 10 deletions(