[ 31.234419] audit: type=1800 audit(1555888919.807:33): pid=6796 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 31.261103] audit: type=1800 audit(1555888919.807:34): pid=6796 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 [ 31.553513] audit: type=1400 audit(1555888920.127:35): avc: denied { map } for pid=6967 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 31.604899] random: sshd: uninitialized urandom read (32 bytes read) [ 32.150825] random: sshd: uninitialized urandom read (32 bytes read) [ 32.345050] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.23' (ECDSA) to the list of known hosts. syzkaller login: [ 37.988248] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 38.104355] audit: type=1400 audit(1555888926.677:36): avc: denied { map } for pid=6981 comm="syz-executor280" path="/root/syz-executor280885144" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 38.135899] ------------[ cut here ]------------ [ 38.140731] WARNING: CPU: 1 PID: 1402 at drivers/tty/tty_ioctl.c:318 tty_set_termios+0x74a/0x870 [ 38.149653] Kernel panic - not syncing: panic_on_warn set ... [ 38.149653] [ 38.157010] CPU: 1 PID: 1402 Comm: kworker/u5:0 Not tainted 4.14.113 #3 [ 38.163753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.173109] Workqueue: hci0 hci_power_on [ 38.177161] Call Trace: [ 38.179750] dump_stack+0x138/0x19c [ 38.183387] panic+0x1f2/0x438 [ 38.186579] ? add_taint.cold+0x16/0x16 [ 38.190555] ? tty_set_termios+0x74a/0x870 [ 38.194808] ? tty_set_termios+0x74a/0x870 [ 38.199031] __warn.cold+0x2f/0x34 [ 38.203007] ? ist_end_non_atomic+0x10/0x10 [ 38.207321] ? tty_set_termios+0x74a/0x870 [ 38.211639] report_bug+0x216/0x254 [ 38.215275] do_error_trap+0x1bb/0x310 [ 38.219171] ? math_error+0x360/0x360 [ 38.222970] ? trace_hardirqs_on+0x10/0x10 [ 38.227200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.232568] do_invalid_op+0x1b/0x20 [ 38.236380] invalid_op+0x1b/0x40 [ 38.239919] RIP: 0010:tty_set_termios+0x74a/0x870 [ 38.244753] RSP: 0018:ffff8880a690fad8 EFLAGS: 00010297 [ 38.250113] RAX: ffff8880a69025c0 RBX: ffff8880a690fb80 RCX: 0000000000000000 [ 38.257380] RDX: 0000000000000000 RSI: ffff8880a690fbe8 RDI: ffff8880a60b3138 [ 38.264653] RBP: ffff8880a690fba8 R08: dffffc0000000000 R09: ffff8880a690f858 [ 38.271925] R10: ffff8880a690fca0 R11: ffff8880a69025c0 R12: 1ffff11014d21f60 [ 38.279187] R13: ffff8880a690fbe8 R14: ffff8880a60b3100 R15: ffff88808a9cb6c0 [ 38.286482] ? tty_set_termios+0x74a/0x870 [ 38.290775] ? hci_dev_do_open+0x33/0xf90 [ 38.295006] ? tty_wait_until_sent+0x4c0/0x4c0 [ 38.299600] ? __mutex_lock+0x36a/0x1470 [ 38.303654] ? tty_termios_encode_baud_rate+0x2f5/0x3f0 [ 38.309031] hci_uart_set_baudrate+0x145/0x190 [ 38.313613] ? hci_uart_set_speeds+0x90/0x90 [ 38.318014] ? save_trace+0x290/0x290 [ 38.321812] ? process_one_work+0x787/0x1610 [ 38.326236] hci_uart_setup+0x98/0x430 [ 38.330119] ? hci_uart_set_baudrate+0x190/0x190 [ 38.334866] hci_dev_do_open+0x57f/0xf90 [ 38.338926] ? check_preemption_disabled+0x3c/0x250 [ 38.343944] hci_power_on+0x8d/0x3d0 [ 38.347668] process_one_work+0x868/0x1610 [ 38.351904] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 38.356591] worker_thread+0x5d9/0x1050 [ 38.360748] kthread+0x31c/0x430 [ 38.364123] ? process_one_work+0x1610/0x1610 [ 38.368629] ? kthread_create_on_node+0xd0/0xd0 [ 38.373292] ret_from_fork+0x3a/0x50 [ 38.377863] Kernel Offset: disabled [ 38.381527] Rebooting in 86400 seconds..