On Sat, Apr 23, 2022 at 10:07:06AM +0900, Kuniyuki Iwashima wrote: > Hi maintainers, > > Upstream commit 01770a166165 ("tcp: fix race condition when creating child > sockets from syncookies") is planned to be backported to 4.14, 4.19 and > 5.4: > > https://marc.info/?l=linux-stable-commits&m=165063781908608&w=3 > https://marc.info/?l=linux-stable-commits&m=165063781708604&w=3 > https://marc.info/?l=linux-stable-commits&m=165063781708603&w=3 > > Another commit c89dffc70b34 ("tcp: Fix potential use-after-free due to > double kfree()") has a Fixes tag for it, so please backport this also. Ick, that commit does not apply cleanly. The people who wanted 01770a166165 should also provide a working version of this fix as well. thanks, greg k-h