[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 28.663633] kasan: CONFIG_KASAN_INLINE enabled
[ 28.668320] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 28.675954] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 28.682176] Modules linked in:
[ 28.685344] CPU: 1 PID: 7978 Comm: syz-executor575 Not tainted 4.14.204-syzkaller #0
[ 28.693192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 28.702555] task: ffff8880b2ca23c0 task.stack: ffff8880967d8000
[ 28.708589] RIP: 0010:rb_erase+0x29/0x1290
[ 28.712794] RSP: 0018:ffff8880967dfa68 EFLAGS: 00010292
[ 28.718128] RAX: dffffc0000000000 RBX: ffff88808e02e8f0 RCX: 1ffff11012cfbf27
[ 28.725373] RDX: 0000000000000001 RSI: ffffffff8bf92da0 RDI: 0000000000000008
[ 28.732612] RBP: 0000000000000000 R08: ffffffff8ba25edc R09: 0000000000001c84
[ 28.739853] R10: 0000000000000001 R11: ffff8880b2ca23c0 R12: 0000000000000000
[ 28.747098] R13: dffffc0000000000 R14: ffff88808dea1878 R15: ffffffff8bf92da0
[ 28.754343] FS: 0000000002659880(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[ 28.762538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.768413] CR2: 0000000020000004 CR3: 00000000aef89000 CR4: 00000000001406e0
[ 28.775686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.782926] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.790194] Call Trace:
[ 28.792765] integrity_inode_free+0x119/0x300
[ 28.797245] security_inode_free+0x14/0x80
[ 28.801450] __destroy_inode+0x1e8/0x4d0
[ 28.805482] destroy_inode+0x49/0x110
[ 28.809251] iput+0x458/0x7e0
[ 28.812344] ? ext4_mark_dquot_dirty+0x190/0x190
[ 28.817073] ext4_ioctl+0x16c5/0x3870
[ 28.820858] ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[ 28.826018] ? putname+0xcd/0x110
[ 28.829456] ? do_sys_open+0x203/0x410
[ 28.833314] ? do_syscall_64+0x1d5/0x640
[ 28.837348] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 28.842698] ? path_lookupat+0x780/0x780
[ 28.846731] ? debug_check_no_obj_freed+0x2c0/0x674
[ 28.851720] ? lock_acquire+0x170/0x3f0
[ 28.855666] ? lock_downgrade+0x740/0x740
[ 28.859787] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 28.864879] ? debug_check_no_obj_freed+0x2c0/0x674
[ 28.869875] ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[ 28.875038] do_vfs_ioctl+0x75a/0xff0
[ 28.878812] ? rcu_lockdep_current_cpu_online+0xed/0x140
[ 28.884237] ? ioctl_preallocate+0x1a0/0x1a0
[ 28.888616] ? kmem_cache_free+0x23a/0x2b0
[ 28.892820] ? putname+0xcd/0x110
[ 28.896246] ? do_sys_open+0x208/0x410
[ 28.900104] ? filp_open+0x60/0x60
[ 28.903626] ? security_file_ioctl+0x83/0xb0
[ 28.908010] SyS_ioctl+0x7f/0xb0
[ 28.911348] ? do_vfs_ioctl+0xff0/0xff0
[ 28.915295] do_syscall_64+0x1d5/0x640
[ 28.919157] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 28.924318] RIP: 0033:0x440249
[ 28.927479] RSP: 002b:00007ffc3e362d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 28.935158] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440249
[ 28.942399] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
[ 28.949641] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[ 28.956895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a50
[ 28.964137] R13: 0000000000401ae0 R14: 0000000000000000 R15: 0000000000000000
[ 28.971380] Code: ff ff 48 b8 00 00 00 00 00 fc ff df 41 57 49 89 f7 41 56 41 55 41 54 49 89 fc 48 83 c7 08 48 89 fa 55 48 c1 ea 03 53 48 83 ec 18 <80> 3c 02 00 0f 85 f2 0c 00 00 49 8d 7c 24 10 4d 8b 74 24 08 48
[ 28.990435] RIP: rb_erase+0x29/0x1290 RSP: ffff8880967dfa68
[ 28.996208] ---[ end trace 46ebe5d889afd9bb ]---
[ 29.000954] Kernel panic - not syncing: Fatal exception
[ 29.006977] Kernel Offset: disabled
[ 29.010583] Rebooting in 86400 seconds..