[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 66.139852][ T26] audit: type=1800 audit(1560178445.415:25): pid=8690 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 66.162065][ T26] audit: type=1800 audit(1560178445.415:26): pid=8690 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 66.224641][ T26] audit: type=1800 audit(1560178445.425:27): pid=8690 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.214' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 140.006002][ T8842] FAULT_INJECTION: forcing a failure. [ 140.006002][ T8842] name failslab, interval 1, probability 0, space 0, times 1 [ 140.019385][ T8842] CPU: 0 PID: 8842 Comm: syz-executor931 Not tainted 5.2.0-rc3-next-20190607 #11 [ 140.028622][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.039027][ T8842] Call Trace: [ 140.042441][ T8842] dump_stack+0x172/0x1f0 [ 140.046803][ T8842] should_fail.cold+0xa/0x15 [ 140.051531][ T8842] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 140.057361][ T8842] ? ___might_sleep+0x163/0x280 [ 140.062224][ T8842] __should_failslab+0x121/0x190 [ 140.067175][ T8842] should_failslab+0x9/0x14 [ 140.071670][ T8842] __kmalloc+0x2d9/0x740 [ 140.075918][ T8842] ? tomoyo_realpath_from_path+0xc0/0x7a0 [ 140.081672][ T8842] ? rcu_read_lock_sched_held+0x110/0x130 [ 140.087478][ T8842] ? tomoyo_realpath_from_path+0xcd/0x7a0 [ 140.093429][ T8842] tomoyo_realpath_from_path+0xcd/0x7a0 [ 140.099105][ T8842] ? tomoyo_path_number_perm+0x193/0x520 [ 140.104761][ T8842] tomoyo_path_number_perm+0x1dd/0x520 [ 140.110343][ T8842] ? tomoyo_path_number_perm+0x193/0x520 [ 140.116118][ T8842] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 140.122855][ T8842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 140.129234][ T8842] ? find_held_lock+0x35/0x130 [ 140.134187][ T8842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 140.140726][ T8842] ? __sb_end_write+0xd9/0x110 [ 140.146055][ T8842] ? vfs_write+0x160/0x5d0 [ 140.150707][ T8842] tomoyo_file_ioctl+0x23/0x30 [ 140.155601][ T8842] security_file_ioctl+0x77/0xc0 [ 140.160550][ T8842] ksys_ioctl+0x57/0xd0 [ 140.164816][ T8842] __x64_sys_ioctl+0x73/0xb0 [ 140.169565][ T8842] do_syscall_64+0xfd/0x680 [ 140.174177][ T8842] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.180155][ T8842] RIP: 0033:0x441639 [ 140.184048][ T8842] Code: e8 dc b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 140.204295][ T8842] RSP: 002b:00007ffe3bf096f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 140.212913][ T8842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441639 [ 140.220889][ T8842] RDX: 00000000200007c0 RSI: 0000000000005412 RDI: 0000000000000003 [ 140.234383][ T8842] RBP: 00007ffe3bf09730 R08: 0000000000000001 R09: 0000000000000000 [ 140.242760][ T8842] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 140.252529][ T8842] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 140.263139][ T8842] ERROR: Out of memory at tomoyo_realpath_from_path. [ 142.277376][ T5] Bluetooth: hci0: command 0x1003 tx timeout [ 142.284145][ T8843] Bluetooth: hci0: sending frame failed (-49) [ 144.354694][ T22] Bluetooth: hci0: command 0x1001 tx timeout [ 144.361550][ T8843] Bluetooth: hci0: sending frame failed (-49) [ 146.434776][ T5] Bluetooth: hci0: command 0x1009 tx timeout executing program [ 150.447150][ T8846] FAULT_INJECTION: forcing a failure. [ 150.447150][ T8846] name failslab, interval 1, probability 0, space 0, times 0 [ 150.460121][ T8846] CPU: 0 PID: 8846 Comm: syz-executor931 Not tainted 5.2.0-rc3-next-20190607 #11 [ 150.469356][ T8846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.479651][ T8846] Call Trace: [ 150.483023][ T8846] dump_stack+0x172/0x1f0 [ 150.487535][ T8846] should_fail.cold+0xa/0x15 [ 150.492191][ T8846] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 150.498009][ T8846] ? ___might_sleep+0x163/0x280 [ 150.503380][ T8846] __should_failslab+0x121/0x190 [ 150.508418][ T8846] should_failslab+0x9/0x14 [ 150.513545][ T8846] __kmalloc+0x2d9/0x740 [ 150.518118][ T8846] ? tomoyo_realpath_from_path+0xc0/0x7a0 [ 150.524309][ T8846] ? rcu_read_lock_sched_held+0x110/0x130 [ 150.530025][ T8846] ? tomoyo_realpath_from_path+0xcd/0x7a0 [ 150.535907][ T8846] tomoyo_realpath_from_path+0xcd/0x7a0 [ 150.541970][ T8846] ? tomoyo_path_number_perm+0x193/0x520 [ 150.547854][ T8846] tomoyo_path_number_perm+0x1dd/0x520 [ 150.553402][ T8846] ? tomoyo_path_number_perm+0x193/0x520 [ 150.559302][ T8846] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 150.565119][ T8846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 150.571520][ T8846] ? find_held_lock+0x35/0x130 [ 150.576696][ T8846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 150.597520][ T8846] ? __sb_end_write+0xd9/0x110 [ 150.602496][ T8846] ? vfs_write+0x160/0x5d0 [ 150.607170][ T8846] tomoyo_file_ioctl+0x23/0x30 [ 150.612026][ T8846] security_file_ioctl+0x77/0xc0 [ 150.617069][ T8846] ksys_ioctl+0x57/0xd0 [ 150.621248][ T8846] __x64_sys_ioctl+0x73/0xb0 [ 150.626212][ T8846] do_syscall_64+0xfd/0x680 [ 150.630743][ T8846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 150.636782][ T8846] RIP: 0033:0x441639 [ 150.640759][ T8846] Code: e8 dc b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 150.660583][ T8846] RSP: 002b:00007ffe3bf096f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 150.669072][ T8846] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441639 [ 150.677223][ T8846] RDX: 00000000200007c0 RSI: 0000000000005412 RDI: 0000000000000003 [ 150.685188][ T8846] RBP: 00007ffe3bf09730 R08: 0000000000000001 R09: 0000000000000000 [ 150.693308][ T8846] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 150.701270][ T8846] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 150.709462][ T8846] ERROR: Out of memory at tomoyo_realpath_from_path. [ 150.716451][ T21] kasan: CONFIG_KASAN_INLINE enabled [ 150.721849][ T21] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 150.731642][ T21] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 150.738747][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.2.0-rc3-next-20190607 #11 [ 150.747510][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.757881][ T21] Workqueue: events_unbound flush_to_ldisc [ 150.763922][ T21] RIP: 0010:skb_put+0x35/0x1d0 [ 150.768712][ T21] Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 4c 28 f1 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c [ 150.789092][ T21] RSP: 0018:ffff8880a9a4fb28 EFLAGS: 00010206 [ 150.795554][ T21] RAX: dffffc0000000000 RBX: ffff888099d427c0 RCX: ffffffff84fdecde [ 150.803560][ T21] RDX: 0000000000000017 RSI: ffffffff857fb574 RDI: 0000000000000000 [ 150.811744][ T21] RBP: ffff8880a9a4fb58 R08: ffff8880a9a42580 R09: ffffed1015d26be0 [ 150.819920][ T21] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000 [ 150.827968][ T21] R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000 [ 150.835935][ T21] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 150.845147][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 150.851804][ T21] CR2: 00000000004c0708 CR3: 000000009cd1a000 CR4: 00000000001406f0 [ 150.859769][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 150.867769][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 150.876193][ T21] Call Trace: [ 150.879752][ T21] bcsp_recv+0x9a8/0x13a0 [ 150.884319][ T21] hci_uart_tty_receive+0x225/0x530 [ 150.889606][ T21] ? hci_uart_write_work+0x700/0x700 [ 150.896259][ T21] tty_ldisc_receive_buf+0x15f/0x1c0 [ 150.901533][ T21] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 150.907768][ T21] tty_port_default_receive_buf+0x7d/0xb0 [ 150.913486][ T21] flush_to_ldisc+0x222/0x390 [ 150.918152][ T21] process_one_work+0x989/0x1790 [ 150.923347][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 150.928881][ T21] ? lock_acquire+0x16f/0x3f0 [ 150.933550][ T21] worker_thread+0x98/0xe40 [ 150.938127][ T21] kthread+0x354/0x420 [ 150.942180][ T21] ? process_one_work+0x1790/0x1790 [ 150.947351][ T21] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 150.953682][ T21] ret_from_fork+0x24/0x30 [ 150.958164][ T21] Modules linked in: [ 150.962210][ T21] ---[ end trace 0f5e9916505f89a1 ]--- [ 150.967860][ T21] RIP: 0010:skb_put+0x35/0x1d0 [ 150.972688][ T21] Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 b8 00 00 00 48 83 ec 08 e8 4c 28 f1 fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c [ 150.992633][ T21] RSP: 0018:ffff8880a9a4fb28 EFLAGS: 00010206 [ 150.998739][ T21] RAX: dffffc0000000000 RBX: ffff888099d427c0 RCX: ffffffff84fdecde [ 151.006834][ T21] RDX: 0000000000000017 RSI: ffffffff857fb574 RDI: 0000000000000000 [ 151.014982][ T21] RBP: ffff8880a9a4fb58 R08: ffff8880a9a42580 R09: ffffed1015d26be0 [ 151.023118][ T21] R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000 [ 151.031207][ T21] R13: 0000000000000001 R14: 00000000000000b8 R15: 0000000000000000 [ 151.039413][ T21] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 151.048695][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 151.055575][ T21] CR2: 00000000004c0708 CR3: 000000009cd1a000 CR4: 00000000001406f0 [ 151.063741][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 151.071764][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 151.080186][ T21] Kernel panic - not syncing: Fatal exception [ 151.087738][ T21] Kernel Offset: disabled [ 151.092071][ T21] Rebooting in 86400 seconds..