On Tue, Dec 26, 2017 at 10:54:37PM +0200, Ido Schimmel wrote: >On Tue, Dec 26, 2017 at 07:59:55PM +0100, Willy Tarreau wrote: >> Guys, >> >> Chris reported the bug below and confirmed that reverting commit >> 9704f81 (ipv6: grab rt->rt6i_ref before allocating pcpu rt) seems to >> have fixed the issue for him. This patch is a94b9367 in mainline. >> >> I personally have no opinion on the patch, just found it because it >> was the only one touching this area between 4.14.8 and 4.14.9 :-) >> >> Should this be reverted or maybe fixed differently ? > >Maybe I'm missing something, but how come this patch even made its way >into 4.14.y? It's part of a series to RCU-ify IPv6 FIB lookup that went >into 4.15. > >Anyway, the mentioned bug was already fixed by commit 951f788a80ff >("ipv6: fix a BUG in rt6_get_pcpu_route()") when the code was still in >net-next.
Uh, you're right. Greg, please just revert 9704f81. Thanks! -- Thanks, Sasha