[info] Using makefile-style concurrent boot in runlevel 2. [ 24.667230] audit: type=1800 audit(1537926901.647:21): pid=5198 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 '10.128.10.17' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.423289] kasan: CONFIG_KASAN_INLINE enabled [ 34.427989] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 34.435430] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 34.441677] CPU: 0 PID: 5351 Comm: syz-executor009 Not tainted 4.19.0-rc5+ #31 [ 34.449025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.458418] RIP: 0010:rb_erase+0x306/0x3710 [ 34.462741] 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 [ 34.481720] RSP: 0018:ffff8801baefe918 EFLAGS: 00010202 [ 34.487074] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 34.494334] RDX: 1ffff100375dfd2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 34.501594] RBP: ffff8801baeff320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 34.508854] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b677f1f0 [ 34.516128] R13: dffffc0000000000 R14: ffff8801baeff2f8 R15: ffff8801baeff438 [ 34.523392] FS: 000000000125c880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 34.531608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.537477] CR2: 0000000020000180 CR3: 00000001d7cc8000 CR4: 00000000001406f0 [ 34.544747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.552008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.559267] Call Trace: [ 34.561846] ? lockdep_on+0x50/0x50 [ 34.565482] ? rb_insert_color+0x1460/0x1460 [ 34.569891] ? noop_count+0x40/0x40 [ 34.573518] ? lock_pin_lock+0x350/0x350 [ 34.577584] ? noop_count+0x40/0x40 [ 34.581202] ? kasan_check_read+0x11/0x20 [ 34.585348] ? noop_count+0x40/0x40 [ 34.588976] ? noop_count+0x40/0x40 [ 34.592611] ? lock_pin_lock+0x350/0x350 [ 34.596662] ? mark_held_locks+0x130/0x130 [ 34.600885] ? check_usage_forwards+0x3e0/0x3e0 [ 34.605539] ? __bfs+0x385/0x7a0 [ 34.608893] ? noop_count+0x40/0x40 [ 34.612510] ? check_usage+0x1a9/0x790 [ 34.616401] ? lock_pin_lock+0x350/0x350 [ 34.620456] ? check_usage_forwards+0x3e0/0x3e0 [ 34.625108] ? __bfs+0x385/0x7a0 [ 34.628463] ? __lock_acquire+0x7ec/0x4ec0 [ 34.632686] ? lockdep_on+0x50/0x50 [ 34.636301] ? lock_pin_lock+0x350/0x350 [ 34.640356] ? mark_held_locks+0x130/0x130 [ 34.644581] ? kasan_check_read+0x11/0x20 [ 34.648746] ? __lock_acquire+0x2881/0x4ec0 [ 34.653083] ? mark_held_locks+0x130/0x130 [ 34.657312] ? print_usage_bug+0xc0/0xc0 [ 34.661381] ? _raw_spin_unlock+0x2c/0x50 [ 34.665528] ? graph_lock+0x170/0x170 [ 34.669323] ? ext4_exit_mballoc+0xc0/0xc0 [ 34.674031] ? __lock_acquire+0x7ec/0x4ec0 [ 34.678284] ? find_held_lock+0x36/0x1c0 [ 34.682341] ? mark_held_locks+0x130/0x130 [ 34.686569] ? lock_downgrade+0x900/0x900 [ 34.690728] ? ext4_es_scan+0x960/0x960 [ 34.694718] ? lock_release+0x970/0x970 [ 34.698715] ? do_raw_write_trylock+0x1c0/0x1c0 [ 34.703397] ? kasan_check_write+0x14/0x20 [ 34.707628] ? lock_acquire+0x1ed/0x520 [ 34.711600] ? integrity_inode_free+0x77/0x320 [ 34.716194] ? ext4_es_remove_extent+0x151/0x500 [ 34.720963] ? lock_release+0x970/0x970 [ 34.724936] ? kasan_check_write+0x14/0x20 [ 34.729166] ? do_raw_write_lock+0xbd/0x1b0 [ 34.733511] integrity_inode_free+0x12f/0x320 [ 34.738024] security_inode_free+0x19/0x90 [ 34.742256] __destroy_inode+0x328/0x820 [ 34.746317] ? generic_update_time+0x450/0x450 [ 34.750916] ? evict+0x5d8/0x980 [ 34.754303] ? lock_downgrade+0x900/0x900 [ 34.758468] ? __inode_wait_for_writeback+0x2cf/0x380 [ 34.763667] destroy_inode+0xda/0x200 [ 34.767466] ? __destroy_inode+0x820/0x820 [ 34.771705] ? kasan_check_write+0x14/0x20 [ 34.775931] ? do_raw_spin_lock+0xc1/0x200 [ 34.780173] evict+0x5e0/0x980 [ 34.783353] ? destroy_inode+0x200/0x200 [ 34.787403] ? iput+0x671/0xa90 [ 34.790691] ? lock_downgrade+0x900/0x900 [ 34.794846] ? kasan_check_read+0x11/0x20 [ 34.799007] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 34.803582] ? lock_downgrade+0x900/0x900 [ 34.807735] iput+0x679/0xa90 [ 34.810830] ? inode_add_lru+0x2a0/0x2a0 [ 34.814882] ? up_write+0x7b/0x220 [ 34.818419] ? up_read+0x110/0x110 [ 34.821953] ? up_read+0x110/0x110 [ 34.825495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.831027] ? check_preemption_disabled+0x48/0x200 [ 34.836038] ext4_ioctl+0x236f/0x4210 [ 34.839822] ? ext4_ioctl_group_add+0x560/0x560 [ 34.844479] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 34.850265] ? kasan_check_read+0x11/0x20 [ 34.854402] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 34.859666] ? rcu_bh_qs+0xc0/0xc0 [ 34.863190] ? rcu_bh_qs+0xc0/0xc0 [ 34.866714] ? unwind_dump+0x190/0x190 [ 34.870593] ? is_bpf_text_address+0xd3/0x170 [ 34.875078] ? kernel_text_address+0x79/0xf0 [ 34.879475] ? __kernel_text_address+0xd/0x40 [ 34.883960] ? unwind_get_return_address+0x61/0xa0 [ 34.888879] ? __save_stack_trace+0x8d/0xf0 [ 34.893194] ? save_stack+0xa9/0xd0 [ 34.896804] ? save_stack+0x43/0xd0 [ 34.900413] ? __kasan_slab_free+0x102/0x150 [ 34.904812] ? kasan_slab_free+0xe/0x10 [ 34.908773] ? kmem_cache_free+0x83/0x290 [ 34.912906] ? putname+0xf2/0x130 [ 34.916344] ? do_sys_open+0x54d/0x700 [ 34.920219] ? __x64_sys_open+0x7e/0xc0 [ 34.924183] ? do_syscall_64+0x1b9/0x820 [ 34.928232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.933608] ? trace_hardirqs_off+0xb8/0x310 [ 34.938004] ? kasan_check_read+0x11/0x20 [ 34.942141] ? do_raw_spin_unlock+0xa7/0x2f0 [ 34.946539] ? trace_hardirqs_on+0x310/0x310 [ 34.950947] ? kasan_check_write+0x14/0x20 [ 34.955166] ? trace_hardirqs_off+0xb8/0x310 [ 34.959561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.965086] ? check_preemption_disabled+0x48/0x200 [ 34.970092] ? ext4_ioctl_group_add+0x560/0x560 [ 34.974765] do_vfs_ioctl+0x1de/0x1720 [ 34.978641] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 34.984167] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 34.989448] ? ioctl_preallocate+0x300/0x300 [ 34.993851] ? memset+0x31/0x40 [ 34.997134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.002662] ? smack_file_ioctl+0x210/0x3c0 [ 35.006971] ? fget_raw+0x20/0x20 [ 35.010412] ? smack_file_lock+0x2e0/0x2e0 [ 35.014641] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.019663] ? do_syscall_64+0x9a/0x820 [ 35.023628] ? do_syscall_64+0x9a/0x820 [ 35.027595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.033132] ? security_file_ioctl+0x94/0xc0 [ 35.037530] ksys_ioctl+0xa9/0xd0 [ 35.040980] __x64_sys_ioctl+0x73/0xb0 [ 35.044858] do_syscall_64+0x1b9/0x820 [ 35.048737] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.054094] ? syscall_return_slowpath+0x5e0/0x5e0 [ 35.059031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.063867] ? trace_hardirqs_on_caller+0x310/0x310 [ 35.068872] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 35.073890] ? prepare_exit_to_usermode+0x291/0x3b0 [ 35.078898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.083751] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.088927] RIP: 0033:0x440029 [ 35.092105] 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 [ 35.117285] RSP: 002b:00007fffe24bd538 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 35.125004] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 [ 35.132268] RDX: 0000000000440029 RSI: 0000000000006611 RDI: 0000000000000004 [ 35.139538] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 35.146802] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004018b0 [ 35.154060] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 35.161335] Modules linked in: [ 35.164659] ---[ end trace 3d41c72b181ef2b1 ]--- [ 35.169454] RIP: 0010:rb_erase+0x306/0x3710 [ 35.173765] 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 [ 35.192717] RSP: 0018:ffff8801baefe918 EFLAGS: 00010202 [ 35.198121] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 35.205420] RDX: 1ffff100375dfd2b RSI: ffffffff8b5a08a0 RDI: 0000000000000008 [ 35.212718] RBP: ffff8801baeff320 R08: dffffc0000000000 R09: fffffbfff135d5c8 [ 35.220023] R10: fffffbfff135d5c8 R11: ffffffff89aeae43 R12: ffff8801b677f1f0 [ 35.227317] R13: dffffc0000000000 R14: ffff8801baeff2f8 R15: ffff8801baeff438 [ 35.234580] FS: 000000000125c880(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 [ 35.242858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.248764] CR2: 0000000020000180 CR3: 00000001d7cc8000 CR4: 00000000001406f0 [ 35.256091] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.263364] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.270668] Kernel panic - not syncing: Fatal exception [ 35.276973] Kernel Offset: disabled [ 35.280599] Rebooting in 86400 seconds..