Warning: Permanently added '10.128.0.31' (ECDSA) to the list of known hosts.
executing program
[   32.090421] audit: type=1400 audit(1602548407.806:8): avc:  denied  { execmem } for  pid=6358 comm="syz-executor881" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   32.133145] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   32.142150] ------------[ cut here ]------------
[   32.147038] WARNING: CPU: 1 PID: 6358 at fs/ext4/xattr.c:1660 ext4_xattr_set_entry+0x24c1/0x30f0
[   32.155950] Kernel panic - not syncing: panic_on_warn set ...
[   32.155950] 
[   32.163308] CPU: 1 PID: 6358 Comm: syz-executor881 Not tainted 4.14.198-syzkaller #0
[   32.171176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.180518] Call Trace:
[   32.183082]  dump_stack+0x1b2/0x283
[   32.186687]  panic+0x1f9/0x42d
[   32.189854]  ? add_taint.cold+0x16/0x16
[   32.193807]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   32.198665]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   32.203495]  __warn.cold+0x20/0x4b
[   32.207007]  ? ist_end_non_atomic+0x10/0x10
[   32.211304]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   32.216122]  report_bug+0x208/0x249
[   32.219724]  do_error_trap+0x195/0x2d0
[   32.223588]  ? math_error+0x2d0/0x2d0
[   32.227362]  ? unwind_get_return_address+0x51/0x90
[   32.232307]  ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   32.237643]  ? __save_stack_trace+0xa0/0x160
[   32.242030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   32.246848]  invalid_op+0x1b/0x40
[   32.250273] RIP: 0010:ext4_xattr_set_entry+0x24c1/0x30f0
[   32.255692] RSP: 0018:ffff888097d274b0 EFLAGS: 00010297
[   32.261041] RAX: ffff8880a54c2680 RBX: ffff888090214020 RCX: 0000000000000005
[   32.268282] RDX: 0000000000000000 RSI: ffff888097d277a8 RDI: ffff8880a792e460
[   32.275547] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003
[   32.282792] R10: 0000000000000000 R11: ffff8880a54c2680 R12: 00000000000003dc
[   32.290037] R13: ffffffff86b354c0 R14: 0000000000000000 R15: ffff888097d277a8
[   32.297298]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   32.302382]  ? debug_check_no_obj_freed+0x2c0/0x674
[   32.307373]  ? ext4_xattr_inode_get+0x5d0/0x5d0
[   32.312026]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   32.317461]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   32.322463]  ? __kmalloc+0x3a4/0x400
[   32.326151]  ? ext4_xattr_block_set+0x1209/0x2af0
[   32.330980]  ext4_xattr_block_set+0x1334/0x2af0
[   32.335621]  ? __find_get_block+0x817/0xc40
[   32.339920]  ? ext4_xattr_ibody_set+0x280/0x280
[   32.344572]  ? __getblk_gfp+0x48/0x70
[   32.348371]  ? ext4_xattr_ibody_find+0x223/0x5c0
[   32.353098]  ? ext4_xattr_block_find+0x52/0x5a0
[   32.357751]  ? ext4_xattr_ibody_set+0x1bb/0x280
[   32.362396]  ext4_xattr_set_handle+0x839/0xd20
[   32.366967]  ? ext4_xattr_ibody_inline_set+0x280/0x280
[   32.372216]  ? avc_has_perm+0x1a4/0x330
[   32.376165]  ? __dquot_initialize+0x228/0xa70
[   32.380633]  ? avc_has_perm_noaudit+0x2a0/0x2a0
[   32.385278]  ? __ext4_journal_start_sb+0x105/0x3b0
[   32.390189]  ? ext4_xattr_set+0x19b/0x230
[   32.394311]  ext4_xattr_set+0x118/0x230
[   32.398260]  ? ext4_xattr_set_credits+0x1f0/0x1f0
[   32.403077]  ? xattr_resolve_name+0x22c/0x370
[   32.407561]  ? ext4_xattr_inode_update_ref.cold+0x119/0x119
[   32.413241]  __vfs_setxattr+0xdc/0x130
[   32.417102]  ? xattr_resolve_name+0x370/0x370
[   32.421570]  ? evm_protect_xattr.constprop.0+0x6c/0x350
[   32.426908]  __vfs_setxattr_noperm+0xfd/0x3d0
[   32.431389]  __vfs_setxattr_locked+0x14d/0x250
[   32.435947]  vfs_setxattr+0xcf/0x230
[   32.439636]  ? __check_object_size+0x119/0x22c
[   32.444201]  ? __vfs_setxattr_locked+0x250/0x250
[   32.448930]  ? strncpy_from_user+0x210/0x2c0
[   32.453311]  setxattr+0x1a9/0x300
[   32.456735]  ? vfs_setxattr+0x230/0x230
[   32.460695]  ? filename_lookup+0x380/0x510
[   32.464910]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   32.470347]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   32.476291]  ? preempt_count_add+0xaf/0x170
[   32.480585]  ? __mnt_want_write+0x1da/0x270
[   32.484894]  path_setxattr+0x118/0x130
[   32.488753]  ? setxattr+0x300/0x300
[   32.492353]  SyS_lsetxattr+0x33/0x40
[   32.496038]  ? SyS_setxattr+0x50/0x50
[   32.499812]  do_syscall_64+0x1d5/0x640
[   32.503675]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   32.508839] RIP: 0033:0x4445a9
[   32.512002] RSP: 002b:00007fff52b1b158 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[   32.519681] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9
[   32.526922] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140
[   32.534178] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000
[   32.541423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190
[   32.548666] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000
[   32.557498] Kernel Offset: disabled
[   32.561181] Rebooting in 86400 seconds..