random: sshd: uninitialized urandom read (32 bytes read) urandom_read: 1 callbacks suppressed random: sshd: uninitialized urandom read (32 bytes read) audit: type=1400 audit(1555586071.572:36): avc: denied { map } for pid=6831 comm="syz-executor265" path="/root/syz-executor265486647" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1401 at drivers/tty/tty_ioctl.c:318 tty_set_termios+0x74a/0x870 drivers/tty/tty_ioctl.c:318 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 1401 Comm: kworker/u5:0 Not tainted 4.14.112 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_power_on Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x438 kernel/panic.c:182 __warn.cold+0x2f/0x34 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:944 RIP: 0010:tty_set_termios+0x74a/0x870 drivers/tty/tty_ioctl.c:318 RSP: 0018:ffff8880a6927ad8 EFLAGS: 00010297 RAX: ffff8880a691e580 RBX: ffff8880a6927b80 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a6927be8 RDI: ffff88821910e038 RBP: ffff8880a6927ba8 R08: dffffc0000000000 R09: ffff8880a6927858 R10: ffff8880a6927ca0 R11: ffff8880a691e580 R12: 1ffff11014d24f60 R13: ffff8880a6927be8 R14: ffff88821910e000 R15: ffff88808864cc00 hci_uart_set_baudrate+0x145/0x190 drivers/bluetooth/hci_ldisc.c:376 hci_uart_setup+0x98/0x430 drivers/bluetooth/hci_ldisc.c:399 hci_dev_do_open+0x57f/0xf90 net/bluetooth/hci_core.c:1384 hci_power_on+0x8d/0x3d0 net/bluetooth/hci_core.c:2080 process_one_work+0x868/0x1610 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x31c/0x430 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Kernel Offset: disabled Rebooting in 86400 seconds..