[info] Using makefile-style concurrent boot in runlevel 2. [ 24.390189] audit: type=1800 audit(1539392239.416:21): pid=5179 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 24.425025] audit: type=1800 audit(1539392239.416:22): pid=5179 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.104' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.733087] kasan: CONFIG_KASAN_INLINE enabled [ 40.737815] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.745166] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.751380] CPU: 0 PID: 5337 Comm: syz-executor972 Not tainted 4.19.0-rc7+ #57 [ 40.758718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.768075] RIP: 0010:rb_erase+0x306/0x3710 [ 40.772380] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 40.791265] RSP: 0018:ffff8801c41c6918 EFLAGS: 00010202 [ 40.796610] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 40.803863] RDX: 1ffff10038838d2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 40.811116] RBP: ffff8801c41c7320 R08: dffffc0000000000 R09: fffffbfff12d69a0 [ 40.818368] R10: fffffbfff12d69a0 R11: ffffffff896b4d03 R12: ffff8801b6b601f0 [ 40.825634] R13: dffffc0000000000 R14: ffff8801c41c72f8 R15: ffff8801c41c7438 [ 40.832891] FS: 0000000001a12880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 40.841096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.846960] CR2: 0000000020000180 CR3: 00000001ba8a6000 CR4: 00000000001406f0 [ 40.854221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.861474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.868726] Call Trace: [ 40.871298] ? lockdep_on+0x50/0x50 [ 40.874924] ? rb_insert_color+0x1460/0x1460 [ 40.879320] ? noop_count+0x40/0x40 [ 40.882942] ? lock_pin_lock+0x350/0x350 [ 40.886989] ? noop_count+0x40/0x40 [ 40.890601] ? kasan_check_read+0x11/0x20 [ 40.894733] ? noop_count+0x40/0x40 [ 40.898359] ? noop_count+0x40/0x40 [ 40.901971] ? lock_pin_lock+0x350/0x350 [ 40.906015] ? mark_held_locks+0x130/0x130 [ 40.910235] ? check_usage_forwards+0x3e0/0x3e0 [ 40.914886] ? __bfs+0x385/0x7a0 [ 40.918235] ? noop_count+0x40/0x40 [ 40.921846] ? check_usage+0x1a9/0x790 [ 40.925715] ? lock_pin_lock+0x350/0x350 [ 40.929760] ? check_usage_forwards+0x3e0/0x3e0 [ 40.934412] ? __bfs+0x385/0x7a0 [ 40.937768] ? __lock_acquire+0x7ec/0x4ec0 [ 40.941985] ? lockdep_on+0x50/0x50 [ 40.945594] ? lock_pin_lock+0x350/0x350 [ 40.949660] ? mark_held_locks+0x130/0x130 [ 40.953879] ? kasan_check_read+0x11/0x20 [ 40.958011] ? __lock_acquire+0x2881/0x4ec0 [ 40.962321] ? mark_held_locks+0x130/0x130 [ 40.966538] ? print_usage_bug+0xc0/0xc0 [ 40.970583] ? _raw_spin_unlock+0x2c/0x50 [ 40.974715] ? graph_lock+0x170/0x170 [ 40.978501] ? ext4_exit_mballoc+0xc0/0xc0 [ 40.982721] ? __lock_acquire+0x7ec/0x4ec0 [ 40.986958] ? find_held_lock+0x36/0x1c0 [ 40.991004] ? mark_held_locks+0x130/0x130 [ 40.995222] ? lock_downgrade+0x900/0x900 [ 40.999358] ? ext4_es_scan+0x960/0x960 [ 41.003319] ? do_raw_write_trylock+0x1c0/0x1c0 [ 41.007973] ? kasan_check_write+0x14/0x20 [ 41.012207] ? lock_acquire+0x1ed/0x520 [ 41.016164] ? integrity_inode_free+0x77/0x320 [ 41.020749] ? ext4_es_remove_extent+0x151/0x500 [ 41.025490] ? lock_release+0x970/0x970 [ 41.029453] ? kasan_check_write+0x14/0x20 [ 41.033673] ? do_raw_write_lock+0xbd/0x1b0 [ 41.037997] integrity_inode_free+0x12f/0x320 [ 41.042493] security_inode_free+0x19/0x90 [ 41.046714] __destroy_inode+0x328/0x820 [ 41.050759] ? generic_update_time+0x450/0x450 [ 41.055325] ? evict+0x5d8/0x980 [ 41.058675] ? lock_downgrade+0x900/0x900 [ 41.062805] ? __inode_wait_for_writeback+0x2cf/0x380 [ 41.067987] destroy_inode+0xda/0x200 [ 41.071790] ? __destroy_inode+0x820/0x820 [ 41.076020] ? kasan_check_write+0x14/0x20 [ 41.080242] ? do_raw_spin_lock+0xc1/0x200 [ 41.084461] evict+0x5e0/0x980 [ 41.087641] ? destroy_inode+0x200/0x200 [ 41.091698] ? iput+0x671/0xa90 [ 41.094964] ? lock_downgrade+0x900/0x900 [ 41.099098] ? kasan_check_read+0x11/0x20 [ 41.103232] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 41.107799] ? lock_downgrade+0x900/0x900 [ 41.111944] iput+0x679/0xa90 [ 41.115034] ? inode_add_lru+0x2a0/0x2a0 [ 41.119088] ? up_write+0x7b/0x220 [ 41.122608] ? up_read+0x110/0x110 [ 41.126126] ? up_read+0x110/0x110 [ 41.129650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.135171] ? check_preemption_disabled+0x48/0x200 [ 41.140173] ext4_ioctl+0x236f/0x4210 [ 41.143961] ? is_bpf_text_address+0xac/0x170 [ 41.148440] ? ext4_ioctl_group_add+0x560/0x560 [ 41.153098] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 41.158880] ? kasan_check_read+0x11/0x20 [ 41.163011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 41.168274] ? rcu_bh_qs+0xc0/0xc0 [ 41.171796] ? rcu_bh_qs+0xc0/0xc0 [ 41.175319] ? unwind_dump+0x190/0x190 [ 41.179196] ? is_bpf_text_address+0xd3/0x170 [ 41.183679] ? kernel_text_address+0x79/0xf0 [ 41.188081] ? __kernel_text_address+0xd/0x40 [ 41.192561] ? unwind_get_return_address+0x61/0xa0 [ 41.197480] ? __save_stack_trace+0x8d/0xf0 [ 41.201788] ? save_stack+0xa9/0xd0 [ 41.205399] ? save_stack+0x43/0xd0 [ 41.209009] ? __kasan_slab_free+0x102/0x150 [ 41.213398] ? kasan_slab_free+0xe/0x10 [ 41.217372] ? kmem_cache_free+0x83/0x290 [ 41.221503] ? putname+0xf2/0x130 [ 41.224944] ? do_sys_open+0x54d/0x700 [ 41.228816] ? __x64_sys_openat+0x9d/0x100 [ 41.233035] ? do_syscall_64+0x1b9/0x820 [ 41.237092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.242444] ? trace_hardirqs_off+0xb8/0x310 [ 41.246841] ? kasan_check_read+0x11/0x20 [ 41.250981] ? do_raw_spin_unlock+0xa7/0x2f0 [ 41.255373] ? trace_hardirqs_on+0x310/0x310 [ 41.259765] ? kasan_check_write+0x14/0x20 [ 41.263983] ? trace_hardirqs_off+0xb8/0x310 [ 41.268380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.273920] ? check_preemption_disabled+0x48/0x200 [ 41.278938] ? check_preemption_disabled+0x48/0x200 [ 41.283941] ? ext4_ioctl_group_add+0x560/0x560 [ 41.288596] do_vfs_ioctl+0x1de/0x1720 [ 41.292465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 41.297731] ? ioctl_preallocate+0x300/0x300 [ 41.302122] ? memset+0x31/0x40 [ 41.305384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.310944] ? smack_file_ioctl+0x210/0x3c0 [ 41.315247] ? fget_raw+0x20/0x20 [ 41.318707] ? smack_file_lock+0x2e0/0x2e0 [ 41.322929] ? do_syscall_64+0x9a/0x820 [ 41.326905] ? do_syscall_64+0x9a/0x820 [ 41.330863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 41.336397] ? security_file_ioctl+0x94/0xc0 [ 41.340790] ksys_ioctl+0xa9/0xd0 [ 41.344229] __x64_sys_ioctl+0x73/0xb0 [ 41.348102] do_syscall_64+0x1b9/0x820 [ 41.351973] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 41.357320] ? syscall_return_slowpath+0x5e0/0x5e0 [ 41.362231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.367071] ? trace_hardirqs_on_caller+0x310/0x310 [ 41.372081] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 41.377089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 41.382095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.386926] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.392098] RIP: 0033:0x440089 [ 41.395273] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.414157] RSP: 002b:00007ffcd22b6e88 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 41.421849] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440089 [ 41.429102] RDX: 0000000000440089 RSI: 0000000000006611 RDI: 0000000000000003 [ 41.436354] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 41.443605] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401910 [ 41.450858] R13: 00000000004019a0 R14: 0000000000000000 R15: 0000000000000000 [ 41.458115] Modules linked in: [ 41.461383] ---[ end trace 7f0551f381c075d9 ]--- [ 41.466164] RIP: 0010:rb_erase+0x306/0x3710 [ 41.470614] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 [ 41.489584] RSP: 0018:ffff8801c41c6918 EFLAGS: 00010202 [ 41.494951] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 41.502359] RDX: 1ffff10038838d2b RSI: ffffffff8afbc860 RDI: 0000000000000008 [ 41.509683] RBP: ffff8801c41c7320 R08: dffffc0000000000 R09: fffffbfff12d69a0 [ 41.516983] R10: fffffbfff12d69a0 R11: ffffffff896b4d03 R12: ffff8801b6b601f0 [ 41.524269] R13: dffffc0000000000 R14: ffff8801c41c72f8 R15: ffff8801c41c7438 [ 41.531576] FS: 0000000001a12880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 41.539828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.545705] CR2: 0000000020000180 CR3: 00000001ba8a6000 CR4: 00000000001406f0 [ 41.552990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.560288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.567582] Kernel panic - not syncing: Fatal exception [ 41.573750] Kernel Offset: disabled [ 41.577373] Rebooting in 86400 seconds..