Hi, On Thu, Jun 08, 2017 at 09:23:33PM +0200, Helge Deller wrote: > Package: linux > Version: 4.9.30 > > The LTP testcase fanotify07 creates hanging processes > with debian kernel 4.9.30 on the hppa platform. > > In the source code of LTP's fanotify07.c testcase one can read: > * Kernel crashes should be fixed by: > * 96d41019e3ac "fanotify: fix list corruption in fanotify_get_response()" > * > * Kernel hangs should be fixed by: > * 05f0e38724e8 "fanotify: Release SRCU lock when waiting for userspace > response" > > It seems upstream commit > 05f0e38724e8 "fanotify: Release SRCU lock when waiting for userspace response" > is missing in stable kernel 4.9.30 (and debian kernel), which explains why the > testcase hangs. > I didn't checked if the kernel crash fix is in 4.9.30. > > Can you backport at least the commit 05f0e38724e8 ?
That looks has happened for the 4.9 stable series as in https://lore.kernel.org/stable/20190411032430.17353-1-matthew.ruff...@canonical.com/ and would be included afaics in 4.9.169. Regards, Salvatore