Starting Permit User Sessions... Starting System Logging Service... [ OK ] Started Regular background program processing daemon. Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.222' (ECDSA) to the list of known hosts. syzkaller login: [ 66.013827][ T37] audit: type=1400 audit(1625736995.885:8): avc: denied { execmem } for pid=8448 comm="syz-executor213" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 66.283562][ T20] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 66.643750][ T20] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice=bc.3b [ 66.652838][ T20] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.665103][ T20] usb 1-1: config 0 descriptor?? [ 66.923878][ T4823] ------------[ cut here ]------------ [ 66.929325][ T4823] WARNING: CPU: 1 PID: 4823 at drivers/net/wireless/ath/ath6kl/htc_pipe.c:963 ath6kl_htc_pipe_rx_complete+0xd58/0x1060 [ 66.942105][ T4823] Modules linked in: [ 66.946228][ T4823] CPU: 1 PID: 4823 Comm: kworker/1:3 Tainted: G W 5.13.0-syzkaller #0 [ 66.955929][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.966227][ T4823] Workqueue: events ath6kl_usb_io_comp_work [ 66.972158][ T4823] RIP: 0010:ath6kl_htc_pipe_rx_complete+0xd58/0x1060 [ 66.979064][ T4823] Code: e4 e8 ac 36 1a 04 48 c7 44 24 38 00 00 00 00 e9 7f fa ff ff e8 d9 b2 6a fc 8b 9c 24 8c 00 00 00 e9 8a f8 ff ff e8 c8 b2 6a fc <0f> 0b 48 c7 c7 c0 9f 1a 8a 41 bc ea ff ff ff e8 af f9 f1 03 e9 50 [ 66.998753][ T4823] RSP: 0018:ffffc9000b18fbb8 EFLAGS: 00010293 [ 67.004915][ T4823] RAX: 0000000000000000 RBX: ffff888041fe0d20 RCX: 0000000000000000 [ 67.012916][ T4823] RDX: ffff88802c45e200 RSI: ffffffff850a0c08 RDI: ffff888041fe0d90 [ 67.020953][ T4823] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 [ 67.028973][ T4823] R10: ffffffff850ee469 R11: 0000000000000000 R12: ffff88802f848000 [ 67.037034][ T4823] R13: ffff888041fe0d20 R14: 0000000000000000 R15: ffff88802f848920 [ 67.045066][ T4823] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.054083][ T4823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.060668][ T4823] CR2: 0000556ce8df0bf8 CR3: 000000003988e000 CR4: 00000000001506e0 [ 67.068659][ T4823] DR0: 0000000000000000 DR1: 0000000000000000 D