[info] Using makefile-style concurrent boot in runlevel 2. [ 26.063039] audit: type=1800 audit(1537915161.507:21): pid=5202 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 '10.128.0.94' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.917438] kasan: CONFIG_KASAN_INLINE enabled [ 37.922350] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.929702] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 37.935928] CPU: 1 PID: 5357 Comm: syz-executor263 Not tainted 4.19.0-rc5+ #31 [ 37.943266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.952611] RIP: 0010:rb_erase+0x306/0x3710 [ 37.956914] 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 [ 37.975793] RSP: 0018:ffff8801d86ce918 EFLAGS: 00010202 [ 37.981135] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 37.988390] RDX: 1ffff1003b0d9d2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 37.995644] RBP: ffff8801d86cf320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 38.002894] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b6765970 [ 38.010157] R13: dffffc0000000000 R14: ffff8801d86cf2f8 R15: ffff8801d86cf438 [ 38.017427] FS: 000000000111d880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 38.025633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.030731] kobject: 'regulatory.0' (00000000fb5923cb): kobject_uevent_env [ 38.031556] CR2: 0000000020000540 CR3: 00000001d82a0000 CR4: 00000000001406e0 [ 38.038582] kobject: 'regulatory.0' (00000000fb5923cb): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 38.045816] Call Trace: [ 38.045830] ? lockdep_on+0x50/0x50 [ 38.045839] ? rb_insert_color+0x1460/0x1460 [ 38.045848] ? noop_count+0x40/0x40 [ 38.045861] ? lock_pin_lock+0x350/0x350 [ 38.074254] ? noop_count+0x40/0x40 [ 38.077875] ? kasan_check_read+0x11/0x20 [ 38.082009] ? noop_count+0x40/0x40 [ 38.085617] ? noop_count+0x40/0x40 [ 38.089234] ? lock_pin_lock+0x350/0x350 [ 38.093290] ? mark_held_locks+0x130/0x130 [ 38.097519] ? check_usage_forwards+0x3e0/0x3e0 [ 38.102166] ? __bfs+0x385/0x7a0 [ 38.105509] ? noop_count+0x40/0x40 [ 38.109116] ? check_usage+0x1a9/0x790 [ 38.112983] ? lock_pin_lock+0x350/0x350 [ 38.117024] ? check_usage_forwards+0x3e0/0x3e0 [ 38.121690] ? __bfs+0x385/0x7a0 [ 38.125045] ? __lock_acquire+0x7ec/0x4ec0 [ 38.129259] ? lockdep_on+0x50/0x50 [ 38.132871] ? lock_pin_lock+0x350/0x350 [ 38.136917] ? mark_held_locks+0x130/0x130 [ 38.141213] ? kasan_check_read+0x11/0x20 [ 38.145355] ? __lock_acquire+0x2881/0x4ec0 [ 38.149666] ? mark_held_locks+0x130/0x130 [ 38.153886] ? print_usage_bug+0xc0/0xc0 [ 38.157926] ? _raw_spin_unlock+0x2c/0x50 [ 38.162053] ? graph_lock+0x170/0x170 [ 38.165833] ? ext4_exit_mballoc+0xc0/0xc0 [ 38.170048] ? __lock_acquire+0x7ec/0x4ec0 [ 38.174259] ? find_held_lock+0x36/0x1c0 [ 38.178319] ? mark_held_locks+0x130/0x130 [ 38.182533] ? lock_downgrade+0x900/0x900 [ 38.186664] ? ext4_es_scan+0x960/0x960 [ 38.190619] ? lock_release+0x970/0x970 [ 38.194592] ? do_raw_write_trylock+0x1c0/0x1c0 [ 38.199243] ? kasan_check_write+0x14/0x20 [ 38.203459] ? lock_acquire+0x1ed/0x520 [ 38.207416] ? integrity_inode_free+0x77/0x320 [ 38.211977] ? ext4_es_remove_extent+0x151/0x500 [ 38.216716] ? lock_release+0x970/0x970 [ 38.220798] ? kasan_check_write+0x14/0x20 [ 38.225013] ? do_raw_write_lock+0xbd/0x1b0 [ 38.229325] integrity_inode_free+0x12f/0x320 [ 38.233805] security_inode_free+0x19/0x90 [ 38.238026] __destroy_inode+0x328/0x820 [ 38.242073] ? generic_update_time+0x450/0x450 [ 38.246634] ? evict+0x5d8/0x980 [ 38.249983] ? lock_downgrade+0x900/0x900 [ 38.254110] ? __inode_wait_for_writeback+0x2cf/0x380 [ 38.259294] destroy_inode+0xda/0x200 [ 38.263089] ? __destroy_inode+0x820/0x820 [ 38.267302] ? kasan_check_write+0x14/0x20 [ 38.271526] ? do_raw_spin_lock+0xc1/0x200 [ 38.275739] evict+0x5e0/0x980 [ 38.278913] ? destroy_inode+0x200/0x200 [ 38.282951] ? iput+0x671/0xa90 [ 38.286210] ? lock_downgrade+0x900/0x900 [ 38.290342] ? kasan_check_read+0x11/0x20 [ 38.294470] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 38.299050] ? lock_downgrade+0x900/0x900 [ 38.303184] iput+0x679/0xa90 [ 38.306280] ? inode_add_lru+0x2a0/0x2a0 [ 38.310373] ? up_write+0x7b/0x220 [ 38.313895] ? up_read+0x110/0x110 [ 38.317410] ? up_read+0x110/0x110 [ 38.320932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.326446] ? check_preemption_disabled+0x48/0x200 [ 38.331460] ext4_ioctl+0x236f/0x4210 [ 38.335244] ? ext4_ioctl_group_add+0x560/0x560 [ 38.339908] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 38.345803] ? kasan_check_read+0x11/0x20 [ 38.349938] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 38.355195] ? rcu_bh_qs+0xc0/0xc0 [ 38.358715] ? rcu_bh_qs+0xc0/0xc0 [ 38.362234] ? unwind_dump+0x190/0x190 [ 38.366103] ? is_bpf_text_address+0xd3/0x170 [ 38.370578] ? kernel_text_address+0x79/0xf0 [ 38.374966] ? __kernel_text_address+0xd/0x40 [ 38.379440] ? unwind_get_return_address+0x61/0xa0 [ 38.384349] ? __save_stack_trace+0x8d/0xf0 [ 38.388758] ? save_stack+0xa9/0xd0 [ 38.392428] ? save_stack+0x43/0xd0 [ 38.396048] ? __kasan_slab_free+0x102/0x150 [ 38.400437] ? kasan_slab_free+0xe/0x10 [ 38.404395] ? kmem_cache_free+0x83/0x290 [ 38.408522] ? putname+0xf2/0x130 [ 38.411954] ? do_sys_open+0x54d/0x700 [ 38.415822] ? __x64_sys_open+0x7e/0xc0 [ 38.419774] ? do_syscall_64+0x1b9/0x820 [ 38.423817] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.429188] ? trace_hardirqs_off+0xb8/0x310 [ 38.433642] ? kasan_check_read+0x11/0x20 [ 38.437779] ? do_raw_spin_unlock+0xa7/0x2f0 [ 38.442175] ? trace_hardirqs_on+0x310/0x310 [ 38.446578] ? kasan_check_write+0x14/0x20 [ 38.450803] ? trace_hardirqs_off+0xb8/0x310 [ 38.455187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.460705] ? check_preemption_disabled+0x48/0x200 [ 38.465713] ? ext4_ioctl_group_add+0x560/0x560 [ 38.470367] do_vfs_ioctl+0x1de/0x1720 [ 38.474234] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 38.479751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 38.485007] ? ioctl_preallocate+0x300/0x300 [ 38.489392] ? memset+0x31/0x40 [ 38.492652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.498168] ? smack_file_ioctl+0x210/0x3c0 [ 38.502473] ? fget_raw+0x20/0x20 [ 38.505901] ? smack_file_lock+0x2e0/0x2e0 [ 38.510112] ? rcu_read_lock_sched_held+0x108/0x120 [ 38.515108] ? do_syscall_64+0x9a/0x820 [ 38.519057] ? do_syscall_64+0x9a/0x820 [ 38.523017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.528534] ? security_file_ioctl+0x94/0xc0 [ 38.532919] ksys_ioctl+0xa9/0xd0 [ 38.536354] __x64_sys_ioctl+0x73/0xb0 [ 38.540220] do_syscall_64+0x1b9/0x820 [ 38.544087] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.549432] ? syscall_return_slowpath+0x5e0/0x5e0 [ 38.554355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.559178] ? trace_hardirqs_on_caller+0x310/0x310 [ 38.564175] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 38.569169] ? prepare_exit_to_usermode+0x291/0x3b0 [ 38.574168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.578993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.584158] RIP: 0033:0x440029 [ 38.587345] 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 [ 38.606248] RSP: 002b:00007ffe45e40ce8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 38.613938] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 [ 38.621195] RDX: 0000000000440029 RSI: 0000000000006611 RDI: 0000000000000004 [ 38.628456] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 38.635756] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018b0 [ 38.643014] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 38.650267] Modules linked in: [ 38.653598] ---[ end trace 5d6c754d33af20eb ]--- [ 38.658342] RIP: 0010:rb_erase+0x306/0x3710 [ 38.662674] 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 [ 38.681600] RSP: 0018:ffff8801d86ce918 EFLAGS: 00010202 [ 38.686948] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 38.694210] RDX: 1ffff1003b0d9d2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 38.701498] RBP: ffff8801d86cf320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 38.708756] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b6765970 [ 38.716020] R13: dffffc0000000000 R14: ffff8801d86cf2f8 R15: ffff8801d86cf438 [ 38.723297] FS: 000000000111d880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 38.731520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.737384] CR2: 0000000020000540 CR3: 00000001d82a0000 CR4: 00000000001406e0 [ 38.744647] Kernel panic - not syncing: Fatal exception [ 38.750778] Kernel Offset: disabled [ 38.754397] Rebooting in 86400 seconds..