On Thu, Jul 02, 2020 at 03:55:04PM +0100, Ben Hutchings wrote: > On Thu, 2020-07-02 at 09:39 +0200, Greg KH wrote: > > On Thu, Jul 02, 2020 at 12:31:01AM +0100, Ben Hutchings wrote: > > > On Tue, 2020-06-30 at 18:36 +0300, Denis Grigorev wrote: > > > > This series of commits fixes a problem with closing l2cap connection > > > > if socket has unACKed frames. Due an to an infinite loop in l2cap_wait_ack > > > > the userspace process gets stuck in close() and then the kernel crashes > > > > with the following report: > > > > > > > > Call trace: > > > > [<ffffffc000ace0b4>] l2cap_do_send+0x2c/0xec > > > > [<ffffffc000acf5f8>] l2cap_send_sframe+0x178/0x260 > > > > [<ffffffc000acf740>] l2cap_send_rr_or_rnr+0x60/0x84 > > > > [<ffffffc000acf980>] l2cap_ack_timeout+0x60/0xac > > > > [<ffffffc0000b35b8>] process_one_work+0x140/0x384 > > > > [<ffffffc0000b393c>] worker_thread+0x140/0x4e4 > > > > [<ffffffc0000b8c48>] kthread+0xdc/0xf0 > > > > > > > > All kernels below v4.3 are affected. > > > [...] > > > > > > Thanks for your work, but I'm afraid the 3.16-stable branch is no > > > longer being maintained (as of today). > > > > Want me to mark it EOL and remove it from the release table on > > kernel.org now? > > I was about to send that patch myself, but you're welcome to do so. Now done. > Thanks again for all your assistance with releasing updates for 3.2 and > 3.16 over the past 8 years. Hey, thanks for doing all the real work there, that was a lot! greg k-h
