Hello Greg, jouni.hogander@xxxxxxxxxx (Jouni Högander) writes: > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes: >>> > Now queued up, I'll push out -rc2 versions with this fix. >>> > >>> > greg k-h >>> >>> We have also been informed about another regression these two commits >>> are causing: >>> >>> https://lore.kernel.org/lkml/ace19af4-7cae-babd-bac5-cd3505dcd874@xxxxxxxxxxxxxxxxxxx/ >>> >>> I suggest to drop these two patches from this queue, and give us a >>> week to shake out the regressions of the change, and once ready, we >>> can include the complete set of fixes to stable (probably in a week or >>> two). >> >> Ok, thanks for the information, I've now dropped them from all of the >> queues that had them in them. >> >> greg k-h > > I have now run more extensive Syzkaller testing on following patches: > > cb626bf566eb net-sysfs: Fix reference count leak > ddd9b5e3e765 net-sysfs: Call dev_hold always in rx_queue_add_kobject > e0b60903b434 net-sysfs: Call dev_hold always in netdev_queue_add_kobje > 48a322b6f996 net-sysfs: fix netdev_queue_add_kobject() breakage > b8eb718348b8 net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject > > These patches are fixing couple of memory leaks including this one found > by Syzbot: https://syzkaller.appspot.com/bug?extid=ad8ca40ecd77896d51e2 > > I can reproduce these memory leaks in following stable branches: 4.14, > 4.19, and 5.4. > > These are all now merged into net/master tree and based on my testing > they are ready to be taken into stable branches as well. > > Best Regards, > > Jouni Högander These four patches are still missing from 4.14 and 4.19 branches: ddd9b5e3e765 net-sysfs: Call dev_hold always in rx_queue_add_kobject e0b60903b434 net-sysfs: Call dev_hold always in netdev_queue_add_kobje 48a322b6f996 net-sysfs: fix netdev_queue_add_kobject() breakage b8eb718348b8 net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject Could you please consider taking them in or let me know if you want some further activities from my side? BR, Jouni Högander