Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   28.833458] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   28.842544] Quota error (device loop0): qtree_write_dquot: Error -842571171 occurred while creating quota
[   28.852702] Quota error (device loop0): qtree_write_dquot: Error -587202560 occurred while creating quota
[   28.862800] BUG: unable to handle kernel paging request at fffffbfffba0001b
[   28.869909] IP: __lock_acquire+0x1cc/0x3f20
[   28.874211] PGD 23fff0067 P4D 23fff0067 PUD 23ffef067 PMD 0 
[   28.879986] Oops: 0000 [#1] PREEMPT SMP KASAN
[   28.884460] Modules linked in:
[   28.887628] CPU: 0 PID: 7978 Comm: syz-executor389 Not tainted 4.14.212-syzkaller #0
[   28.895481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.904808] task: ffff8880b459a580 task.stack: ffff8880b3228000
[   28.910842] RIP: 0010:__lock_acquire+0x1cc/0x3f20
[   28.915654] RSP: 0018:ffff8880b322f660 EFLAGS: 00010806
[   28.921009] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   28.928271] RDX: 1ffffffffba0001b RSI: 0000000000000000 RDI: ffffffffdd0000d8
[   28.935515] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   28.942759] R10: 0000000000000001 R11: ffff8880b459a580 R12: ffffffffdd0000d8
[   28.950007] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8beb4d40
[   28.957378] FS:  0000000002548880(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   28.965574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.971428] CR2: fffffbfffba0001b CR3: 00000000b305a000 CR4: 00000000001406f0
[   28.978672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.985915] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.993157] Call Trace:
[   28.995722]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   29.001143]  ? ext4_data_block_valid+0x228/0x2d0
[   29.005872]  ? __lock_acquire+0x2190/0x3f20
[   29.010168]  ? trace_hardirqs_on+0x10/0x10
[   29.014387]  ? trace_hardirqs_on+0x10/0x10
[   29.018595]  lock_acquire+0x170/0x3f0
[   29.022370]  ? dquot_add_inodes+0x34/0x870
[   29.026583]  _raw_spin_lock+0x2a/0x40
[   29.030372]  ? dquot_add_inodes+0x34/0x870
[   29.034579]  dquot_add_inodes+0x34/0x870
[   29.038628]  ? mark_buffer_dirty+0x95/0x480
[   29.042925]  ? ext4_listxattr+0xab0/0xab0
[   29.047046]  __dquot_transfer+0xdb2/0x16d0
[   29.051259]  ? lock_downgrade+0x740/0x740
[   29.055379]  ? __dquot_alloc_space+0x7b0/0x7b0
[   29.059948]  ? dqput.part.0+0x563/0x750
[   29.063896]  ? proc_cpuset_show+0x230/0x850
[   29.068192]  ? proc_cpuset_show+0x230/0x850
[   29.072487]  ? do_raw_spin_unlock+0x164/0x220
[   29.076957]  ? from_kqid+0xd3/0x190
[   29.080570]  ? qid_valid+0xe0/0xe0
[   29.084084]  ? dqget+0x13e/0xe90
[   29.087423]  ? dquot_writeback_dquots+0x430/0x650
[   29.092251]  dquot_transfer+0x25a/0x3e6
[   29.096211]  ? __dquot_transfer+0x16d0/0x16d0
[   29.100692]  ? ext4_setattr+0x3af/0x22f0
[   29.104731]  ext4_setattr+0x3ba/0x22f0
[   29.108595]  ? map_id_up+0xe9/0x180
[   29.112194]  ? evm_inode_setattr+0x41/0x1e0
[   29.116487]  ? ext4_evict_inode+0x1500/0x1500
[   29.120956]  notify_change+0x56b/0xd10
[   29.124831]  chown_common+0x40b/0x4b0
[   29.128611]  ? chmod_common+0x390/0x390
[   29.132558]  ? __mnt_want_write+0x1da/0x270
[   29.136870]  SyS_fchownat+0xf6/0x190
[   29.140555]  ? SyS_chmod+0x20/0x20
[   29.144084]  ? __close_fd+0x159/0x230
[   29.147857]  ? do_syscall_64+0x4c/0x640
[   29.151801]  ? SyS_chown+0x30/0x30
[   29.155313]  do_syscall_64+0x1d5/0x640
[   29.159608]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.164785] RIP: 0033:0x4446b9
[   29.167949] RSP: 002b:00007ffe1ee5d658 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
[   29.175628] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004446b9
[   29.182870] RDX: 000000000000ee00 RSI: 000000000000ee01 RDI: 00000000200000c0
[   29.190113] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000
[   29.197474] R10: 00007ffe1ee5d510 R11: 0000000000000246 R12: 00000000004022a0
[   29.204732] R13: 0000000000402330 R14: 0000000000000000 R15: 0000000000000000
[   29.211979] Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 a0 07 2e 8b 0f 84 5f 
[   29.231031] RIP: __lock_acquire+0x1cc/0x3f20 RSP: ffff8880b322f660
[   29.237319] CR2: fffffbfffba0001b
[   29.240747] ---[ end trace b0bf93c7626fd494 ]---
[   29.245489] Kernel panic - not syncing: Fatal exception
[   29.251460] Kernel Offset: disabled
[   29.255069] Rebooting in 86400 seconds..