[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 76.870434][ T26] kauditd_printk_skb: 6 callbacks suppressed [ 76.870446][ T26] audit: type=1800 audit(1559589759.499:33): pid=9577 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=2432 res=0 [ 76.899185][ T26] audit: type=1800 audit(1559589759.499:34): pid=9577 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=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 78.958060][ T26] audit: type=1400 audit(1559589761.589:35): avc: denied { map } for pid=9754 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 Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. executing program [ 92.199294][ T26] audit: type=1400 audit(1559589774.829:36): avc: denied { map } for pid=9766 comm="syz-executor300" path="/root/syz-executor300660384" dev="sda1" ino=15968 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 92.236408][ T1503] WARNING: CPU: 0 PID: 1503 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x7a5/0x8d0 [ 92.238232][ T9767] kobject: 'hci1' (00000000f4ed09ae): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 92.246195][ T1503] Kernel panic - not syncing: panic_on_warn set ... [ 92.246217][ T1503] CPU: 0 PID: 1503 Comm: kworker/u5:0 Not tainted 5.2.0-rc3 #11 [ 92.246224][ T1503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.246280][ T1503] Workqueue: hci0 hci_power_on [ 92.246308][ T1503] Call Trace: [ 92.246342][ T1503] dump_stack+0x172/0x1f0 [ 92.257350][ T9767] kobject: 'hci1' (00000000f4ed09ae): kobject_uevent_env [ 92.263613][ T1503] ? tty_set_termios+0x6e0/0x8d0 [ 92.263674][ T1503] panic+0x2cb/0x744 [ 92.263695][ T1503] ? __warn_printk+0xf3/0xf3 [ 92.271529][ T9767] kobject: 'hci1' (00000000f4ed09ae): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 92.281622][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.281661][ T1503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.281685][ T1503] ? __warn.cold+0x5/0x4d [ 92.290351][ T9767] kobject: 'rfkill6' (000000000b3779d7): kobject_add_internal: parent: 'hci1', set: 'devices' [ 92.294082][ T1503] ? __warn+0xe8/0x1d0 [ 92.294102][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.294116][ T1503] __warn.cold+0x20/0x4d [ 92.294138][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.294156][ T1503] report_bug+0x263/0x2b0 [ 92.301696][ T9767] kobject: 'rfkill6' (000000000b3779d7): kobject_uevent_env [ 92.306308][ T1503] do_error_trap+0x11b/0x200 [ 92.306327][ T1503] do_invalid_op+0x37/0x50 [ 92.306348][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.310437][ T9767] kobject: 'rfkill6' (000000000b3779d7): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill6' [ 92.314928][ T1503] invalid_op+0x14/0x20 [ 92.314946][ T1503] RIP: 0010:tty_set_termios+0x7a5/0x8d0 [ 92.314962][ T1503] Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a3 00 00 00 45 89 a7 d0 03 00 00 e9 49 fe ff ff e8 eb a4 f9 fd <0f> 0b e9 3e f9 ff ff e8 ef 42 32 fe e9 d6 fa ff ff e8 e5 42 32 fe [ 92.314977][ T1503] RSP: 0018:ffff8880a6067968 EFLAGS: 00010293 [ 92.343135][ T9768] WARNING: CPU: 1 PID: 9768 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x7a5/0x8d0 [ 92.343241][ T1503] RAX: ffff8880a6bfc640 RBX: ffff8880a6067a28 RCX: ffffffff8376fafd [ 92.343265][ T1503] RDX: 0000000000000000 RSI: ffffffff837701c5 RDI: 0000000000000005 [ 92.353964][ T9768] Modules linked in: [ 92.358065][ T1503] RBP: ffff8880a6067a50 R08: ffff8880a6bfc640 R09: fffffbfff163c5f5 [ 92.363007][ T9768] CPU: 1 PID: 9768 Comm: kworker/u5:1 Not tainted 5.2.0-rc3 #11 [ 92.367596][ T1503] R10: fffffbfff163c5f4 R11: 0000000000000003 R12: ffff8880a6067a90 [ 92.372525][ T9768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.376867][ T1503] R13: 0000000000010004 R14: 1ffff11014c0cf4c R15: ffff8880851fb3c0 [ 92.384263][ T9768] Workqueue: hci1 hci_power_on [ 92.388856][ T1503] ? tty_set_termios+0xdd/0x8d0 [ 92.393275][ T9768] RIP: 0010:tty_set_termios+0x7a5/0x8d0 [ 92.398474][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.409925][ T9768] Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a3 00 00 00 45 89 a7 d0 03 00 00 e9 49 fe ff ff e8 eb a4 f9 fd <0f> 0b e9 3e f9 ff ff e8 ef 42 32 fe e9 d6 fa ff ff e8 e5 42 32 fe [ 92.414193][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 92.419724][ T9768] RSP: 0018:ffff888090ba7968 EFLAGS: 00010293 [ 92.441063][ T1503] ? hci_dev_do_open+0xa3/0x1760 [ 92.447118][ T9768] RAX: ffff888086f76640 RBX: ffff888090ba7a28 RCX: ffffffff8376fafd [ 92.456930][ T1503] ? tty_wait_until_sent+0x580/0x580 [ 92.464988][ T9768] RDX: 0000000000000000 RSI: ffffffff837701c5 RDI: 0000000000000005 [ 92.465005][ T9768] RBP: ffff888090ba7a50 R08: ffff888086f76640 R09: fffffbfff163c5f5 [ 92.473008][ T1503] ? __mutex_lock+0x3cd/0x1310 [ 92.476939][ T9768] R10: fffffbfff163c5f4 R11: 0000000000000003 R12: ffff888090ba7a90 [ 92.476956][ T9768] R13: 0000000000010004 R14: 1ffff11012174f4c R15: ffff8880853cf400 [ 92.485224][ T1503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.485264][ T1503] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 92.493082][ T9768] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.502140][ T1503] hci_uart_set_baudrate+0x157/0x1c0 [ 92.512322][ T9768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.512340][ T9768] CR2: 00007f83eef74000 CR3: 0000000091ec2000 CR4: 00000000001406e0 [ 92.520331][ T1503] ? hci_uart_set_speeds+0x90/0x90 [ 92.525171][ T9768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.530138][ T1503] ? find_first_zero_bit+0x9a/0xc0 [ 92.535643][ T9768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.540706][ T1503] ? kasan_check_read+0x11/0x20 [ 92.560280][ T9768] Call Trace: [ 92.565229][ T1503] hci_uart_setup+0xa2/0x490 [ 92.571289][ T9768] ? hci_dev_do_open+0xa3/0x1760 [ 92.576326][ T1503] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 92.584300][ T9768] ? tty_wait_until_sent+0x580/0x580 [ 92.589669][ T1503] hci_dev_do_open+0x784/0x1760 [ 92.597734][ T9768] ? __mutex_lock+0x3cd/0x1310 [ 92.605804][ T1503] ? hci_rx_work+0xaa0/0xaa0 [ 92.610578][ T9768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.618572][ T1503] ? trace_hardirqs_off+0x62/0x220 [ 92.626538][ T9768] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 92.632794][ T1503] ? process_one_work+0x890/0x1790 [ 92.638846][ T9768] hci_uart_set_baudrate+0x157/0x1c0 [ 92.647819][ T1503] ? find_held_lock+0x35/0x130 [ 92.653099][ T9768] ? hci_uart_set_speeds+0x90/0x90 [ 92.659693][ T1503] ? process_one_work+0x890/0x1790 [ 92.668012][ T9768] ? find_first_zero_bit+0x9a/0xc0 [ 92.668036][ T9768] ? kasan_check_read+0x11/0x20 [ 92.673175][ T1503] hci_power_on+0x10d/0x580 [ 92.681160][ T9768] hci_uart_setup+0xa2/0x490 [ 92.686557][ T1503] ? hci_error_reset+0xf0/0xf0 [ 92.695010][ T9768] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 92.700058][ T1503] process_one_work+0x989/0x1790 [ 92.703337][ T9768] hci_dev_do_open+0x784/0x1760 [ 92.707923][ T1503] ? pwq_dec_nr_in_flight+0x320/0x320 [ 92.712862][ T9768] ? hci_rx_work+0xaa0/0xaa0 [ 92.718329][ T1503] worker_thread+0x98/0xe40 [ 92.723722][ T9768] ? trace_hardirqs_off+0x62/0x220 [ 92.728592][ T1503] kthread+0x354/0x420 [ 92.733355][ T9768] ? process_one_work+0x890/0x1790 [ 92.737963][ T1503] ? process_one_work+0x1790/0x1790 [ 92.746822][ T9768] ? find_held_lock+0x35/0x130 [ 92.752398][ T1503] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 92.758932][ T9768] ? process_one_work+0x890/0x1790 [ 92.776430][ T1503] ret_from_fork+0x24/0x30 [ 92.782351][ T9768] hci_power_on+0x10d/0x580 [ 92.898576][ T9768] ? hci_error_reset+0xf0/0xf0 [ 92.903374][ T9768] process_one_work+0x989/0x1790 [ 92.908340][ T9768] ? pwq_dec_nr_in_flight+0x320/0x320 [ 92.913926][ T9768] worker_thread+0x98/0xe40 [ 92.918449][ T9768] kthread+0x354/0x420 [ 92.922528][ T9768] ? process_one_work+0x1790/0x1790 [ 92.928078][ T9768] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 92.935035][ T9768] ret_from_fork+0x24/0x30 [ 92.939476][ T9768] irq event stamp: 76 [ 92.943476][ T9768] hardirqs last enabled at (75): [] _raw_spin_unlock_irq+0x28/0x90 [ 92.953102][ T9768] hardirqs last disabled at (76): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 92.963407][ T9768] softirqs last enabled at (0): [] copy_process.part.0+0x1736/0x6790 [ 92.973138][ T9768] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.980461][ T9768] ---[ end trace 7309b47cb98c4556 ]--- [ 92.988424][ T1503] Kernel Offset: disabled [ 92.993371][ T1503] Rebooting in 86400 seconds..