[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 39.172557] audit: type=1400 audit(1598703173.802:8): avc: denied { execmem } for pid=6479 comm="syz-executor705" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.193368] hid-generic 1000:0000:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.219992] hid-generic 1000:0000:0000.0002: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.239531] hid-generic 1000:0000:0000.0003: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.257199] hid-generic 1000:0000:0000.0004: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.279303] hid-generic 1000:0000:0000.0005: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.298288] hid-generic 1000:0000:0000.0006: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.317097] hid-generic 1000:0000:0000.0007: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.339331] hid-generic 1000:0000:0000.0008: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.359693] hid-generic 1000:0000:0000.0009: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.381076] hid-generic 1000:0000:0000.000A: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.400083] hid-generic 1000:0000:0000.000B: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.424726] hid-generic 1000:0000:0000.000C: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.446824] hid-generic 1000:0000:0000.000D: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.468405] hid-generic 1000:0000:0000.000E: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.488072] hid-generic 1000:0000:0000.000F: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.509128] hid-generic 1000:0000:0000.0010: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.525320] hid-generic 1000:0000:0000.0011: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.550438] hid-generic 1000:0000:0000.0012: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.570159] hid-generic 1000:0000:0000.0013: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.586739] hid-generic 1000:0000:0000.0014: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.610381] hid-generic 1000:0000:0000.0015: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.634920] hid-generic 1000:0000:0000.0016: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.653819] hid-generic 1000:0000:0000.0017: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.674321] hid-generic 1000:0000:0000.0018: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.699300] hid-generic 1000:0000:0000.0019: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.723023] hid-generic 1000:0000:0000.001A: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.742315] hid-generic 1000:0000:0000.001B: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.766223] hid-generic 1000:0000:0000.001C: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.784042] hid-generic 1000:0000:0000.001D: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.801156] hid-generic 1000:0000:0000.001E: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.822883] hid-generic 1000:0000:0000.001F: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.841512] hid-generic 1000:0000:0000.0020: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 39.866777] hid-generic 1000:0000:0000.0021: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.889358] hid-generic 1000:0000:0000.0022: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.908883] hid-generic 1000:0000:0000.0023: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program executing program [ 39.937547] hid-generic 1000:0000:0000.0024: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.960565] hid-generic 1000:0000:0000.0025: hidraw0: HID v0.00 Device [syz0] on syz0 [ 39.978547] hid-generic 1000:0000:0000.0026: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program [ 39.996545] hid-generic 1000:0000:0000.0027: hidraw0: HID v0.00 Device [syz0] on syz0 [ 40.014102] hid-generic 1000:0000:0000.0028: hidraw0: HID v0.00 Device [syz0] on syz0 executing program executing program executing program [ 40.045796] hid-generic 1000:0000:0000.0029: hidraw0: HID v0.00 Device [syz0] on syz0 [ 40.065844] hid-generic 1000:0000:0000.002A: hidraw0: HID v0.00 Device [syz0] on syz0 [ 40.084076] hid-generic 1000:0000:0000.002B: hidraw0: HID v0.00 Device [syz0] on syz0 [ 40.107155] hid-generic 1000:0000:0000.002C: hidraw0: HID v0.00 Device [syz0] on syz0 [ 40.120151] INFO: trying to register non-static key. [ 40.125395] the code is fine but needs lockdep annotation. [ 40.131010] turning off the locking correctness validator. [ 40.136627] CPU: 0 PID: 6818 Comm: syz-executor705 Not tainted 4.19.142-syzkaller #0 [ 40.144563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.153907] Call Trace: [ 40.156481] dump_stack+0x1fc/0x2fe [ 40.160097] register_lock_class+0xe76/0x11c0 [ 40.164590] ? unwind_next_frame+0x10a9/0x1c60 [ 40.169167] ? static_obj+0x50/0x50 [ 40.172774] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 40.178680] __lock_acquire+0x17d/0x3ff0 [ 40.182722] ? lock_acquire+0x170/0x3c0 [ 40.186704] ? __bpf_address_lookup+0x330/0x330 [ 40.191359] ? check_preemption_disabled+0x41/0x280 [ 40.196359] ? is_bpf_text_address+0xfc/0x1b0 [ 40.200833] ? mark_held_locks+0xf0/0xf0 [ 40.204883] ? __kernel_text_address+0x9/0x30 [ 40.209358] ? unwind_get_return_address+0x51/0x90 [ 40.214281] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.219629] ? __save_stack_trace+0xaf/0x190 [ 40.224023] ? check_preemption_disabled+0x41/0x280 [ 40.229206] ? __lock_acquire+0x6de/0x3ff0 [ 40.233422] lock_acquire+0x170/0x3c0 [ 40.237216] ? __wake_up_common_lock+0xb0/0x170 [ 40.241861] ? mark_held_locks+0xf0/0xf0 [ 40.245905] _raw_spin_lock_irqsave+0x8c/0xc0 [ 40.250391] ? __wake_up_common_lock+0xb0/0x170 [ 40.255048] __wake_up_common_lock+0xb0/0x170 [ 40.259522] ? __wake_up_common+0x650/0x650 [ 40.263822] ? fsnotify_first_mark+0x200/0x200 [ 40.268399] ? fcntl_setlk+0xee0/0xee0 [ 40.272265] ? uhid_hid_raw_request+0x660/0x660 [ 40.276909] uhid_char_release+0x9b/0x190 [ 40.281048] __fput+0x2ce/0x890 [ 40.284308] task_work_run+0x148/0x1c0 [ 40.288190] do_exit+0xbb2/0x2b70 [ 40.291623] ? lock_downgrade+0x720/0x720 [ 40.295759] ? mm_update_next_owner+0x650/0x650 [ 40.300408] ? up_read+0x17/0x110 [ 40.303838] ? __do_page_fault+0x1ca/0xde0 [ 40.308049] do_group_exit+0x125/0x310 [ 40.311915] __x64_sys_exit_group+0x3a/0x50 [ 40.316235] do_syscall_64+0xf9/0x620 [ 40.320017] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.325197] RIP: 0033:0x43ff88 [ 40.328382] Code: Bad RIP value. [ 40.331722] RSP: 002b:00007fff1d0be1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.339427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff88 [ 40.346678] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 40.353927] RBP: 00000000004c0930 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 40.361188] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 40.368474] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 40.375731] kasan: CONFIG_KASAN_INLINE enabled [ 40.380286] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.387642] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.393963] CPU: 0 PID: 6818 Comm: syz-executor705 Not tainted 4.19.142-syzkaller #0 [ 40.401825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.411169] RIP: 0010:__wake_up_common+0xdf/0x650 [ 40.415994] Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 3b 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 3e 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd [ 40.434884] RSP: 0018:ffff8880a0037b88 EFLAGS: 00010046 [ 40.440230] RAX: dffffc0000000000 RBX: ffff8880a0a63148 RCX: 0000000000000000 [ 40.448131] RDX: 0000000000000001 RSI: 1ffffffff1238dc0 RDI: 0000000000000000 [ 40.455503] RBP: 0000000000000001 R08: ffffffffffffffe8 R09: ffff8880a0037c28 [ 40.462765] R10: ffff8880a0a6314b R11: ffffffff8ad3801b R12: 0000000000000001 [ 40.470103] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.477354] FS: 0000000002059880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 40.485655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.491516] CR2: 000000000043ff5e CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 40.498773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.506035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.513281] Call Trace: [ 40.515853] __wake_up_common_lock+0xcd/0x170 [ 40.520666] ? __wake_up_common+0x650/0x650 [ 40.524989] ? fsnotify_first_mark+0x200/0x200 [ 40.529570] ? fcntl_setlk+0xee0/0xee0 [ 40.533438] ? uhid_hid_raw_request+0x660/0x660 [ 40.538085] uhid_char_release+0x9b/0x190 [ 40.542242] __fput+0x2ce/0x890 [ 40.545640] task_work_run+0x148/0x1c0 [ 40.549531] do_exit+0xbb2/0x2b70 [ 40.552990] ? lock_downgrade+0x720/0x720 [ 40.557130] ? mm_update_next_owner+0x650/0x650 [ 40.561891] ? up_read+0x17/0x110 [ 40.565337] ? __do_page_fault+0x1ca/0xde0 [ 40.569558] do_group_exit+0x125/0x310 [ 40.573429] __x64_sys_exit_group+0x3a/0x50 [ 40.577735] do_syscall_64+0xf9/0x620 [ 40.581657] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.586837] RIP: 0033:0x43ff88 [ 40.590018] Code: Bad RIP value. [ 40.593359] RSP: 002b:00007fff1d0be1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.601047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff88 [ 40.608293] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 40.615545] RBP: 00000000004c0930 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 40.622902] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000000001 [ 40.630155] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 40.637768] Modules linked in: [ 40.641078] ---[ end trace 8aba2dd23b240ab4 ]--- [ 40.645827] RIP: 0010:__wake_up_common+0xdf/0x650 [ 40.650656] Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 3b 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 3e 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd [ 40.669557] RSP: 0018:ffff8880a0037b88 EFLAGS: 00010046 [ 40.674897] RAX: dffffc0000000000 RBX: ffff8880a0a63148 RCX: 0000000000000000 [ 40.682150] RDX: 0000000000000001 RSI: 1ffffffff1238dc0 RDI: 0000000000000000 [ 40.689435] RBP: 0000000000000001 R08: ffffffffffffffe8 R09: ffff8880a0037c28 [ 40.696857] R10: ffff8880a0a6314b R11: ffffffff8ad3801b R12: 0000000000000001 [ 40.704106] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.711367] FS: 0000000002059880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 40.719570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.725966] CR2: 000000000043ff5e CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 40.733218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.740469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.747718] Kernel panic - not syncing: Fatal exception [ 40.754738] Kernel Offset: disabled [ 40.758379] Rebooting in 86400 seconds..