On Fri, Jun 26, 2020 at 01:48:59PM +0200, Gabriel C wrote: > Am Do., 25. Juni 2020 um 12:52 Uhr schrieb Gabriel C > <nix.or.die@xxxxxxxxxxxxxx>: > > > > Am Do., 25. Juni 2020 um 12:48 Uhr schrieb Gabriel C > > <nix.or.die@xxxxxxxxxxxxxx>: > > > > > > Am Do., 25. Juni 2020 um 06:57 Uhr schrieb Jiri Slaby <jirislaby@xxxxxxxxxx>: > > > > > > > > On 25. 06. 20, 0:05, Gabriel C wrote: > > > > > Am Mi., 17. Juni 2020 um 18:13 Uhr schrieb Greg Kroah-Hartman > > > > > <gregkh@xxxxxxxxxxxxxxxxxxx>: > > > > >> > > > > >> I'm announcing the release of the 5.7.3 kernel. > > > > >> > > > > > > > > > > Hello Greg, > > > > > > > > > >> Qiujun Huang (5): > > > > >> ath9k: Fix use-after-free Read in htc_connect_service > > > > >> ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx > > > > >> ath9k: Fix use-after-free Write in ath9k_htc_rx_msg > > > > >> ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb > > > > >> ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb > > > > >> > > > > > > > > > > We got a report on IRC about 5.7.3+ breaking a USB ath9k Wifi Dongle, > > > > > while working fine on <5.7.3. > > > > > > > > > > I don't have myself such HW, and the reported doesn't have any experience > > > > > in bisecting the kernel, so we build kernels, each with one of the > > > > > above commits reverted, > > > > > to find the bad commit. > > > > > > > > > > The winner is: > > > > > > > > > > commit 6602f080cb28745259e2fab1a4cf55eeb5894f93 > > > > > Author: Qiujun Huang <hqjagain@xxxxxxxxx> > > > > > Date: Sat Apr 4 12:18:38 2020 +0800 > > > > > > > > > > ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb > > > > > > > > > > commit 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 upstream. > > > > > ... > > > > > > > > > > Reverting this one fixed his problem. > > > > > > > > Obvious question: is 5.8-rc1 (containing the commit) broken too? > > > > > > Yes, it does, just checked. > > > > > > git tag --contains 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 > > > v5.8-rc1 > > > v5.8-rc2 > > > > > > > Sorry, I read the wrong, I just woke up. > > > > We didn't test 5.8-rc{1,2} yet but we will today and let you know. > > > > We tested 5.8-rc2 and it is broken too. > > The exact HW name is: > > TP-link tl-wn722n (Atheros AR9271 chip) Great! Can you work with the developers to fix this in Linus's tree first? I bet they want to see the output of 'lsusb -v' for this device to see if the endpoint calculations are correct... thanks, greg k-h