Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts.
executing program
[   31.464159] ------------[ cut here ]------------
[   31.469780] kernel BUG at fs/ext4/ext4.h:2849!
[   31.474833] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   31.476006] EXT4-fs error (device sda1) in ext4_reserve_inode_write:5811: Out of memory
[   31.480198] Modules linked in:
[   31.480209] CPU: 1 PID: 7992 Comm: syz-executor018 Not tainted 4.14.232-syzkaller #0
[   31.480212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.480216] task: ffff88809e87c540 task.stack: ffff888095950000
[   31.480228] RIP: 0010:ext4_mb_load_buddy_gfp+0x10dd/0x16c0
[   31.480231] RSP: 0018:ffff888095957880 EFLAGS: 00010297
[   31.480237] RAX: ffff88809e87c540 RBX: ffff888095957980 RCX: 0000000000000001
[   31.480240] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880a4752380
[   31.480243] RBP: 00000000fffec510 R08: 0000000000000001 R09: 0000000000000001
[   31.480249] R10: 0000000000000000 R11: ffff88809e87c540 R12: ffff8880a4750300
[   31.556208] R13: ffff8882396e5270 R14: ffff8880a4752340 R15: ffff8880a4750980
[   31.563618] FS:  00007fc5e3623700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   31.572070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.578310] CR2: 0000000020e009bf CR3: 0000000008e6a000 CR4: 00000000001406e0
[   31.585558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.592807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.600055] Call Trace:
[   31.602624]  ? ext4_get_group_number+0x13f/0x1d0
[   31.607531]  ext4_discard_preallocations+0x94b/0xdf0
[   31.612795]  ? ext4_exit_mballoc+0xb0/0xb0
[   31.617007]  ? lock_acquire+0x170/0x3f0
[   31.620971]  ? ext4_release_file+0x24f/0x2d0
[   31.625355]  ? ext4_llseek+0x740/0x740
[   31.629224]  ext4_release_file+0x257/0x2d0
[   31.633450]  __fput+0x25f/0x7a0
[   31.636730]  task_work_run+0x11f/0x190
[   31.640612]  do_exit+0xa44/0x2850
[   31.644130]  ? wake_up_q+0x82/0xd0
[   31.647644]  ? mm_update_next_owner+0x5b0/0x5b0
[   31.652300]  ? get_signal+0x323/0x1ca0
[   31.656161]  ? lock_acquire+0x170/0x3f0
[   31.660117]  ? lock_downgrade+0x740/0x740
[   31.664243]  do_group_exit+0x100/0x2e0
[   31.668109]  get_signal+0x38d/0x1ca0
[   31.672058]  ? do_futex+0x12b/0x1570
[   31.675757]  ? lock_acquire+0x170/0x3f0
[   31.679980]  ? lock_downgrade+0x740/0x740
[   31.684354]  do_signal+0x7c/0x1550
[   31.688430]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   31.693916]  ? debug_check_no_obj_freed+0x2c0/0x680
[   31.699000]  ? setup_sigcontext+0x820/0x820
[   31.703414]  ? __fd_install+0x227/0x5c0
[   31.707830]  ? putname+0xcd/0x110
[   31.711277]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   31.716712]  ? putname+0xcd/0x110
[   31.720148]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   31.725157]  ? kmem_cache_free+0x23a/0x2b0
[   31.729374]  ? SyS_futex+0x1da/0x290
[   31.733078]  ? SyS_futex+0x1e3/0x290
[   31.736866]  ? exit_to_usermode_loop+0x41/0x200
[   31.741710]  exit_to_usermode_loop+0x160/0x200
[   31.746281]  do_syscall_64+0x4a3/0x640
[   31.750150]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   31.755461] RIP: 0033:0x4454e9
[   31.758743] RSP: 002b:00007fc5e36232f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[   31.766429] RAX: fffffffffffffe00 RBX: 00000000004cc510 RCX: 00000000004454e9
[   31.773680] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cc518
[   31.780983] RBP: 000000000049c1bc R08: 0000000000000000 R09: 0000000000000000
[   31.788396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef9e2df6e
[   31.795644] R13: 2f30656c69662f2e R14: 6465646165726874 R15: 00000000004cc518
[   31.802913] Code: e8 a9 44 af ff e9 90 f8 ff ff e8 9f 0b 98 ff e9 f5 f6 ff ff e8 95 0b 98 ff 48 89 ef e8 8d 44 af ff e9 3d fb ff ff e8 83 0b 98 ff <0f> 0b e8 7c 0b 98 ff 8b 54 24 28 89 ee 4c 89 e7 e8 ce db ff ff 
[   31.822189] RIP: ext4_mb_load_buddy_gfp+0x10dd/0x16c0 RSP: ffff888095957880
[   31.829654] ---[ end trace 8624e86c108272a5 ]---
[   31.834532] Kernel panic - not syncing: Fatal exception
[   31.837034] EXT4-fs error (device sda1) in ext4_reserve_inode_write:5811: Out of memory
[   31.849636] Kernel Offset: disabled
[   31.853272] Rebooting in 86400 seconds..