[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.222' (ECDSA) to the list of known hosts. syzkaller login: [ 31.562262][ T2648] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.922145][ T2648] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice=bc.3b [ 31.931303][ T2648] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.942854][ T2648] usb 1-1: config 0 descriptor?? [ 32.202379][ T30] ------------[ cut here ]------------ [ 32.207966][ T30] WARNING: CPU: 1 PID: 30 at drivers/net/wireless/ath/ath6kl/htc_pipe.c:963 ath6kl_htc_pipe_rx_complete+0xd54/0x1060 [ 32.220438][ T30] Modules linked in: [ 32.224478][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 32.233007][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.243194][ T30] Workqueue: events ath6kl_usb_io_comp_work [ 32.249089][ T30] RIP: 0010:ath6kl_htc_pipe_rx_complete+0xd54/0x1060 [ 32.255808][ T30] Code: e4 e8 e0 07 a2 02 48 c7 44 24 38 00 00 00 00 e9 7f fa ff ff e8 5d 6a 43 fe 8b 9c 24 8c 00 00 00 e9 8a f8 ff ff e8 4c 6a 43 fe <0f> 0b 48 c7 c7 00 1b 2e 86 41 bc ea ff ff ff e8 11 a9 82 02 e9 50 [ 32.275633][ T30] RSP: 0018:ffffc900001a7bb0 EFLAGS: 00010293 [ 32.281785][ T30] RAX: 0000000000000000 RBX: ffff888113a70c80 RCX: 1ffffffff0c5c396 [ 32.290224][ T30] RDX: ffff888100891940 RSI: ffffffff82fb5b14 RDI: ffff888113a70cf0 [ 32.298290][ T30] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff898cc537 [ 32.306677][ T30] R10: 0000000000000000 R11: 1ffffffff1294aa2 R12: ffff888101bce000 [ 32.314744][ T30] R13: ffff888113a70c80 R14: 0000000000000000 R15: ffff888101bce920 [ 32.322781][ T30] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 32.331871][ T30] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.338627][ T30] CR2: 0000561500564798 CR3: 0000000100978000 CR4: 00000000001506e0 [ 32.346790][ T30] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00