[info] Using makefile-style concurrent boot in runlevel 2. [ 25.358147] audit: type=1800 audit(1538119017.595:21): pid=5236 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 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 '10.128.0.103' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.667843] kasan: CONFIG_KASAN_INLINE enabled [ 36.672555] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.680044] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.686276] CPU: 0 PID: 5394 Comm: syz-executor767 Not tainted 4.19.0-rc5+ #34 [ 36.693617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.702960] RIP: 0010:rb_erase+0x306/0x3710 [ 36.707265] 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 [ 36.726154] RSP: 0018:ffff8801ccaee918 EFLAGS: 00010202 [ 36.731500] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 36.738751] RDX: 1ffff1003995dd2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 36.746003] RBP: ffff8801ccaef320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 36.753269] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b67832f0 [ 36.760525] R13: dffffc0000000000 R14: ffff8801ccaef2f8 R15: ffff8801ccaef438 [ 36.767779] FS: 0000000000de8880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 36.775985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.781850] CR2: 0000000020000000 CR3: 00000001d816c000 CR4: 00000000001406f0 [ 36.789105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.796355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.803604] Call Trace: [ 36.806177] ? lockdep_on+0x50/0x50 [ 36.809792] ? rb_insert_color+0x1460/0x1460 [ 36.814198] ? noop_count+0x40/0x40 [ 36.817809] ? lock_pin_lock+0x350/0x350 [ 36.821851] ? noop_count+0x40/0x40 [ 36.825474] ? kasan_check_read+0x11/0x20 [ 36.829617] ? noop_count+0x40/0x40 [ 36.833229] ? noop_count+0x40/0x40 [ 36.836849] ? lock_pin_lock+0x350/0x350 [ 36.840900] ? mark_held_locks+0x130/0x130 [ 36.845122] ? check_usage_forwards+0x3e0/0x3e0 [ 36.849817] ? __bfs+0x385/0x7a0 [ 36.853177] ? noop_count+0x40/0x40 [ 36.856786] ? check_usage+0x1a9/0x790 [ 36.860658] ? lock_pin_lock+0x350/0x350 [ 36.864702] ? check_usage_forwards+0x3e0/0x3e0 [ 36.869355] ? __bfs+0x385/0x7a0 [ 36.872704] ? __lock_acquire+0x7ec/0x4ec0 [ 36.877033] ? lockdep_on+0x50/0x50 [ 36.880645] ? lock_pin_lock+0x350/0x350 [ 36.884695] ? mark_held_locks+0x130/0x130 [ 36.888908] ? kasan_check_read+0x11/0x20 [ 36.893038] ? __lock_acquire+0x2881/0x4ec0 [ 36.897365] ? mark_held_locks+0x130/0x130 [ 36.901582] ? print_usage_bug+0xc0/0xc0 [ 36.905628] ? _raw_spin_unlock+0x2c/0x50 [ 36.909760] ? graph_lock+0x170/0x170 [ 36.913547] ? ext4_exit_mballoc+0xc0/0xc0 [ 36.917764] ? __lock_acquire+0x7ec/0x4ec0 [ 36.921983] ? find_held_lock+0x36/0x1c0 [ 36.926027] ? mark_held_locks+0x130/0x130 [ 36.930248] ? lock_downgrade+0x900/0x900 [ 36.934381] ? ext4_es_scan+0x960/0x960 [ 36.938338] ? lock_release+0x970/0x970 [ 36.942300] ? do_raw_write_trylock+0x1c0/0x1c0 [ 36.946956] ? kasan_check_write+0x14/0x20 [ 36.951175] ? lock_acquire+0x1ed/0x520 [ 36.955137] ? integrity_inode_free+0x77/0x320 [ 36.959705] ? ext4_es_remove_extent+0x151/0x500 [ 36.964449] ? lock_release+0x970/0x970 [ 36.968408] ? kasan_check_write+0x14/0x20 [ 36.972626] ? do_raw_write_lock+0xbd/0x1b0 [ 36.976932] integrity_inode_free+0x12f/0x320 [ 36.981414] security_inode_free+0x19/0x90 [ 36.985630] __destroy_inode+0x328/0x820 [ 36.989677] ? generic_update_time+0x450/0x450 [ 36.994242] ? evict+0x5d8/0x980 [ 36.997589] ? lock_downgrade+0x900/0x900 [ 37.001721] ? __inode_wait_for_writeback+0x2cf/0x380 [ 37.006892] destroy_inode+0xda/0x200 [ 37.010677] ? __destroy_inode+0x820/0x820 [ 37.014892] ? kasan_check_write+0x14/0x20 [ 37.019108] ? do_raw_spin_lock+0xc1/0x200 [ 37.023331] evict+0x5e0/0x980 [ 37.026504] ? destroy_inode+0x200/0x200 [ 37.030546] ? iput+0x671/0xa90 [ 37.033806] ? lock_downgrade+0x900/0x900 [ 37.037937] ? kasan_check_read+0x11/0x20 [ 37.042069] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 37.046632] ? lock_downgrade+0x900/0x900 [ 37.050764] iput+0x679/0xa90 [ 37.053855] ? inode_add_lru+0x2a0/0x2a0 [ 37.057896] ? up_write+0x7b/0x220 [ 37.061416] ? up_read+0x110/0x110 [ 37.064936] ? up_read+0x110/0x110 [ 37.068461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.073980] ? check_preemption_disabled+0x48/0x200 [ 37.078980] ext4_ioctl+0x236f/0x4210 [ 37.082767] ? is_bpf_text_address+0xac/0x170 [ 37.087247] ? ext4_ioctl_group_add+0x560/0x560 [ 37.091903] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 37.097685] ? kasan_check_read+0x11/0x20 [ 37.101817] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.107078] ? rcu_bh_qs+0xc0/0xc0 [ 37.110603] ? rcu_bh_qs+0xc0/0xc0 [ 37.114124] ? unwind_dump+0x190/0x190 [ 37.118009] ? is_bpf_text_address+0xd3/0x170 [ 37.119896] kobject: 'regulatory.0' (0000000046b9048c): kobject_uevent_env [ 37.122500] ? kernel_text_address+0x79/0xf0 [ 37.129518] kobject: 'regulatory.0' (0000000046b9048c): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 37.133896] ? __kernel_text_address+0xd/0x40 [ 37.133909] ? unwind_get_return_address+0x61/0xa0 [ 37.133925] ? __save_stack_trace+0x8d/0xf0 [ 37.133945] ? save_stack+0xa9/0xd0 [ 37.133960] ? save_stack+0x43/0xd0 [ 37.165088] ? __kasan_slab_free+0x102/0x150 [ 37.169489] ? kasan_slab_free+0xe/0x10 [ 37.173461] ? kmem_cache_free+0x83/0x290 [ 37.177603] ? putname+0xf2/0x130 [ 37.181053] ? do_sys_open+0x54d/0x700 [ 37.184932] ? __x64_sys_openat+0x9d/0x100 [ 37.189171] ? do_syscall_64+0x1b9/0x820 [ 37.193232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.198595] ? trace_hardirqs_off+0xb8/0x310 [ 37.202995] ? kasan_check_read+0x11/0x20 [ 37.207151] ? do_raw_spin_unlock+0xa7/0x2f0 [ 37.211555] ? trace_hardirqs_on+0x310/0x310 [ 37.215957] ? kasan_check_write+0x14/0x20 [ 37.220187] ? trace_hardirqs_off+0xb8/0x310 [ 37.224589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.230119] ? check_preemption_disabled+0x48/0x200 [ 37.235150] ? check_preemption_disabled+0x48/0x200 [ 37.240172] ? ext4_ioctl_group_add+0x560/0x560 [ 37.244839] do_vfs_ioctl+0x1de/0x1720 [ 37.248724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.253998] ? ioctl_preallocate+0x300/0x300 [ 37.258398] ? memset+0x31/0x40 [ 37.261674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.267210] ? smack_file_ioctl+0x210/0x3c0 [ 37.271526] ? fget_raw+0x20/0x20 [ 37.274978] ? smack_file_lock+0x2e0/0x2e0 [ 37.279217] ? do_syscall_64+0x9a/0x820 [ 37.283189] ? do_syscall_64+0x9a/0x820 [ 37.287171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.292706] ? security_file_ioctl+0x94/0xc0 [ 37.297112] ksys_ioctl+0xa9/0xd0 [ 37.300573] __x64_sys_ioctl+0x73/0xb0 [ 37.304456] do_syscall_64+0x1b9/0x820 [ 37.308342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.313702] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.318625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.323466] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.328480] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.333495] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.338513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.343356] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.348537] RIP: 0033:0x440029 [ 37.351740] 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 [ 37.370640] RSP: 002b:00007fffcdafb978 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 37.378347] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 [ 37.385608] RDX: 0000000000440029 RSI: 0000000000006611 RDI: 0000000000000003 [ 37.392868] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 37.400136] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004018b0 [ 37.407420] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 37.414687] Modules linked in: [ 37.418037] ---[ end trace 40f28341e80378f8 ]--- [ 37.422819] RIP: 0010:rb_erase+0x306/0x3710 [ 37.427151] 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 [ 37.446063] RSP: 0018:ffff8801ccaee918 EFLAGS: 00010202 [ 37.451439] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 37.458701] RDX: 1ffff1003995dd2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 37.465980] RBP: ffff8801ccaef320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 37.473267] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b67832f0 [ 37.480547] R13: dffffc0000000000 R14: ffff8801ccaef2f8 R15: ffff8801ccaef438 [ 37.487813] FS: 0000000000de8880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 37.496051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.501945] CR2: 0000000020000000 CR3: 00000001d816c000 CR4: 00000000001406f0 [ 37.509209] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.516490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.523771] Kernel panic - not syncing: Fatal exception [ 37.530083] Kernel Offset: disabled [ 37.533704] Rebooting in 86400 seconds..