[ 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 '10.128.1.4' (ECDSA) to the list of known hosts. syzkaller login: [ 380.832490][ T26] audit: type=1400 audit(1595902464.922:8): avc: denied { execmem } for pid=6433 comm="syz-executor234" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 390.027313][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 390.034633][ T6426] Bluetooth: hci0: command tx timeout executing program [ 395.362676][ T20] Bluetooth: hci0: Frame reassembly failed (-84) [ 397.387277][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 397.387280][ T3414] Bluetooth: hci0: command 0xfc11 tx timeout executing program [ 402.687907][ T343] Bluetooth: hci0: Frame reassembly failed (-84) [ 404.747273][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 404.747289][ T6426] Bluetooth: hci0: command 0xfc11 tx timeout executing program [ 410.047347][ T343] Bluetooth: hci0: Frame reassembly failed (-84) [ 412.107284][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 412.107288][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout executing program [ 419.467294][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 419.474615][ T3687] Bluetooth: hci0: command tx timeout executing program [ 426.827288][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout [ 426.833305][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) executing program [ 434.187283][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout [ 434.187522][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) executing program [ 441.547275][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout [ 441.547278][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) executing program [ 448.907299][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 448.914659][ T3687] Bluetooth: hci0: command tx timeout executing program [ 456.267275][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout [ 456.267303][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) executing program [ 461.577452][ T343] Bluetooth: hci0: Frame reassembly failed (-84) [ 463.627263][ T3687] Bluetooth: hci0: command 0xfc11 tx timeout [ 463.633280][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) executing program [ 470.907280][ T1504] Bluetooth: hci0: Entering manufacturer mode failed (-110) [ 470.914591][ T3687] Bluetooth: hci0: command tx timeout [ 476.025964][ T6433] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88812b08d300 (size 224): comm "syz-executor234", pid 6529, jiffies 4294983435 (age 16.650s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009fd853b8>] __alloc_skb+0x5e/0x250 [<000000008453d22c>] h4_recv_buf+0x279/0x450 [<0000000084acc3fa>] ag6xx_recv+0x4d/0xb0 [<00000000aeb8623c>] hci_uart_tty_receive+0xae/0x230 [<0000000076c9fa10>] tty_ioctl+0x7ee/0xa30 [<00000000632de313>] ksys_ioctl+0xa6/0xd0 [<000000002db9e013>] __x64_sys_ioctl+0x1a/0x20 [<000000003ea7d69b>] do_syscall_64+0x4c/0xe0 [<0000000049a36152>] entry_SYSCALL_64_after_hwframe+0x44/0xa9