[info] Using makefile-style concurrent boot in runlevel 2. [ 24.548037] audit: type=1800 audit(1537928246.452:21): pid=5426 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 24.572310] audit: type=1800 audit(1537928246.452:22): pid=5426 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.400028] kasan: CONFIG_KASAN_INLINE enabled [ 36.404772] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.412241] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.418478] CPU: 0 PID: 5581 Comm: syz-executor033 Not tainted 4.19.0-rc5-next-20180925+ #80 [ 36.427039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.436390] RIP: 0010:rb_erase+0x306/0x3710 [ 36.440698] 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 [ 36.459597] RSP: 0018:ffff8801bb286918 EFLAGS: 00010202 [ 36.464962] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 36.472217] RDX: 1ffff10037650d2b RSI: ffffffff8b5a4340 RDI: 0000000000000008 [ 36.479491] RBP: ffff8801bb287320 R08: dffffc0000000000 R09: fffffbfff135d930 [ 36.486754] R10: fffffbfff135d930 R11: ffffffff89aec983 R12: ffff8801b6f701f0 [ 36.494020] R13: dffffc0000000000 R14: ffff8801bb2872f8 R15: ffff8801bb287438 [ 36.501290] FS: 000000000256a880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 36.509515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.515389] CR2: 0000000020000180 CR3: 00000001c0201000 CR4: 00000000001406f0 [ 36.522652] Call Trace: [ 36.525236] ? lockdep_on+0x50/0x50 [ 36.528851] ? rb_insert_color+0x1460/0x1460 [ 36.533249] ? noop_count+0x40/0x40 [ 36.536863] ? lock_pin_lock+0x350/0x350 [ 36.540928] ? noop_count+0x40/0x40 [ 36.544547] ? kasan_check_read+0x11/0x20 [ 36.548691] ? noop_count+0x40/0x40 [ 36.552338] ? noop_count+0x40/0x40 [ 36.555963] ? lock_pin_lock+0x350/0x350 [ 36.560013] ? mark_held_locks+0x130/0x130 [ 36.564239] ? check_usage_forwards+0x3e0/0x3e0 [ 36.568922] ? __bfs+0x385/0x7a0 [ 36.572280] ? noop_count+0x40/0x40 [ 36.575900] ? check_usage+0x1a9/0x790 [ 36.579776] ? lock_pin_lock+0x350/0x350 [ 36.583829] ? check_usage_forwards+0x3e0/0x3e0 [ 36.588490] ? __bfs+0x385/0x7a0 [ 36.591850] ? __lock_acquire+0x7ec/0x4ec0 [ 36.596080] ? lockdep_on+0x50/0x50 [ 36.599696] ? lock_pin_lock+0x350/0x350 [ 36.603756] ? mark_held_locks+0x130/0x130 [ 36.607980] ? kasan_check_read+0x11/0x20 [ 36.612122] ? __lock_acquire+0x2881/0x4ec0 [ 36.616437] ? mark_held_locks+0x130/0x130 [ 36.620661] ? print_usage_bug+0xc0/0xc0 [ 36.624714] ? _raw_spin_unlock+0x2c/0x50 [ 36.628886] ? graph_lock+0x170/0x170 [ 36.632678] ? ext4_exit_mballoc+0xc0/0xc0 [ 36.636907] ? __lock_acquire+0x7ec/0x4ec0 [ 36.641169] ? find_held_lock+0x36/0x1c0 [ 36.645233] ? mark_held_locks+0x130/0x130 [ 36.649456] ? lock_downgrade+0x900/0x900 [ 36.653593] ? ext4_es_scan+0x950/0x950 [ 36.657574] ? do_raw_write_trylock+0x1c0/0x1c0 [ 36.662240] ? kasan_check_write+0x14/0x20 [ 36.666477] ? lock_acquire+0x1ed/0x520 [ 36.670455] ? integrity_inode_free+0x77/0x320 [ 36.675036] ? ext4_es_remove_extent+0x14c/0x4f0 [ 36.679789] ? lock_release+0x970/0x970 [ 36.683780] ? kasan_check_write+0x14/0x20 [ 36.688012] ? do_raw_write_lock+0xbd/0x1b0 [ 36.692330] integrity_inode_free+0x12f/0x320 [ 36.696824] security_inode_free+0x19/0x90 [ 36.701056] __destroy_inode+0x328/0x820 [ 36.705123] ? generic_update_time+0x450/0x450 [ 36.709712] ? evict+0x5d8/0x980 [ 36.713083] ? lock_downgrade+0x900/0x900 [ 36.717228] ? __inode_wait_for_writeback+0x2cf/0x380 [ 36.722421] destroy_inode+0xda/0x200 [ 36.726223] ? __destroy_inode+0x820/0x820 [ 36.730460] ? kasan_check_write+0x14/0x20 [ 36.734698] ? do_raw_spin_lock+0xc1/0x200 [ 36.738924] evict+0x5e0/0x980 [ 36.742106] ? destroy_inode+0x200/0x200 [ 36.746151] ? iput+0x66c/0xa90 [ 36.749417] ? lock_downgrade+0x900/0x900 [ 36.753555] ? kasan_check_read+0x11/0x20 [ 36.757689] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 36.762261] ? lock_downgrade+0x900/0x900 [ 36.766397] iput+0x674/0xa90 [ 36.769489] ? inode_add_lru+0x2a0/0x2a0 [ 36.773538] ? up_write+0x7b/0x220 [ 36.777060] ? down_write_nested+0x130/0x130 [ 36.781637] ? down_write_nested+0x130/0x130 [ 36.786032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.791578] ? check_preemption_disabled+0x48/0x200 [ 36.796600] ext4_ioctl+0x236a/0x4210 [ 36.800399] ? ext4_ioctl_group_add+0x560/0x560 [ 36.805066] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 36.809990] ? kasan_check_read+0x11/0x20 [ 36.814153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 36.819435] ? rcu_softirq_qs+0x20/0x20 [ 36.823405] ? rcu_softirq_qs+0x20/0x20 [ 36.827391] ? unwind_dump+0x190/0x190 [ 36.831294] ? is_bpf_text_address+0xd3/0x170 [ 36.835779] ? kernel_text_address+0x79/0xf0 [ 36.840171] ? __kernel_text_address+0xd/0x40 [ 36.844651] ? unwind_get_return_address+0x61/0xa0 [ 36.849567] ? __save_stack_trace+0x8d/0xf0 [ 36.853897] ? save_stack+0xa9/0xd0 [ 36.857511] ? save_stack+0x43/0xd0 [ 36.861128] ? __kasan_slab_free+0x102/0x150 [ 36.865529] ? kasan_slab_free+0xe/0x10 [ 36.869483] ? kmem_cache_free+0x83/0x290 [ 36.873616] ? putname+0xf2/0x130 [ 36.877054] ? do_sys_open+0x54d/0x700 [ 36.880924] ? __x64_sys_open+0x7e/0xc0 [ 36.884885] ? do_syscall_64+0x1b9/0x820 [ 36.889221] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.894573] ? trace_hardirqs_off+0xb8/0x310 [ 36.898965] ? kasan_check_read+0x11/0x20 [ 36.903112] ? do_raw_spin_unlock+0xa7/0x2f0 [ 36.907534] ? trace_hardirqs_on_caller+0x310/0x310 [ 36.912538] ? kasan_check_write+0x14/0x20 [ 36.916762] ? trace_hardirqs_off+0xb8/0x310 [ 36.921170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.926697] ? ext4_ioctl_group_add+0x560/0x560 [ 36.931356] do_vfs_ioctl+0x1de/0x1720 [ 36.935229] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 36.940754] ? ioctl_preallocate+0x300/0x300 [ 36.945151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.950669] ? __fget_light+0x2e9/0x430 [ 36.954640] ? fget_raw+0x20/0x20 [ 36.958083] ? rcu_read_lock_sched_held+0x108/0x120 [ 36.963086] ? kmem_cache_free+0x24f/0x290 [ 36.967307] ? putname+0xf7/0x130 [ 36.970764] ? do_syscall_64+0x9a/0x820 [ 36.974725] ? do_syscall_64+0x9a/0x820 [ 36.978693] ? lockdep_hardirqs_on+0x421/0x5c0 [ 36.983260] ? security_file_ioctl+0x94/0xc0 [ 36.987651] ksys_ioctl+0xa9/0xd0 [ 36.991097] __x64_sys_ioctl+0x73/0xb0 [ 36.994988] do_syscall_64+0x1b9/0x820 [ 36.998866] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.004240] ? syscall_return_slowpath+0x5e0/0x5e0 [ 37.009158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.013989] ? trace_hardirqs_off+0x310/0x310 [ 37.018477] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.023489] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.028510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.033355] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.038539] RIP: 0033:0x440029 [ 37.041722] 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 [ 37.060620] RSP: 002b:00007fffd71d88c8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 37.068313] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 [ 37.075579] RDX: 0000000000440029 RSI: 0000000000006611 RDI: 0000000000000004 [ 37.082834] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 37.090084] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018b0 [ 37.097350] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 37.104622] Modules linked in: [ 37.107919] ---[ end trace 2efd62d2aaefecea ]--- [ 37.112713] RIP: 0010:rb_erase+0x306/0x3710 [ 37.117031] 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 [ 37.135974] RSP: 0018:ffff8801bb286918 EFLAGS: 00010202 [ 37.141370] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 37.148626] RDX: 1ffff10037650d2b RSI: ffffffff8b5a4340 RDI: 0000000000000008 [ 37.155916] RBP: ffff8801bb287320 R08: dffffc0000000000 R09: fffffbfff135d930 [ 37.163203] R10: fffffbfff135d930 R11: ffffffff89aec983 R12: ffff8801b6f701f0 [ 37.170478] R13: dffffc0000000000 R14: ffff8801bb2872f8 R15: ffff8801bb287438 [ 37.177778] FS: 000000000256a880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 37.181221] kobject: 'regulatory.0' (00000000c5b2e28c): kobject_uevent_env [ 37.186035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.193473] kobject: 'regulatory.0' (00000000c5b2e28c): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 37.198946] CR2: 0000000020000180 CR3: 00000001c0201000 CR4: 00000000001406f0 [ 37.216500] Kernel panic - not syncing: Fatal exception [ 37.222722] Kernel Offset: disabled [ 37.226357] Rebooting in 86400 seconds..