Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.805899] audit: type=1400 audit(1602549654.910:8): avc:  denied  { execmem } for  pid=6360 comm="syz-executor614" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   31.835551] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   31.856888] ------------[ cut here ]------------
[   31.861912] WARNING: CPU: 0 PID: 6360 at fs/ext4/xattr.c:1660 ext4_xattr_set_entry+0x24c1/0x30f0
[   31.870820] Kernel panic - not syncing: panic_on_warn set ...
[   31.870820] 
[   31.878181] CPU: 0 PID: 6360 Comm: syz-executor614 Not tainted 4.14.198-syzkaller #0
[   31.886188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.895542] Call Trace:
[   31.898195]  dump_stack+0x1b2/0x283
[   31.901851]  panic+0x1f9/0x42d
[   31.905024]  ? add_taint.cold+0x16/0x16
[   31.909067]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   31.913890]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   31.918903]  __warn.cold+0x20/0x4b
[   31.922420]  ? ist_end_non_atomic+0x10/0x10
[   31.926731]  ? ext4_xattr_set_entry+0x24c1/0x30f0
[   31.931814]  report_bug+0x208/0x249
[   31.935419]  do_error_trap+0x195/0x2d0
[   31.939284]  ? math_error+0x2d0/0x2d0
[   31.943060]  ? unwind_get_return_address+0x51/0x90
[   31.947975]  ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   31.953585]  ? __save_stack_trace+0xa0/0x160
[   31.957989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   31.962810]  invalid_op+0x1b/0x40
[   31.966242] RIP: 0010:ext4_xattr_set_entry+0x24c1/0x30f0
[   31.971665] RSP: 0018:ffff888097baf4b0 EFLAGS: 00010297
[   31.977008] RAX: ffff888099ca6140 RBX: ffff8880986d56e0 RCX: 0000000000000005
[   31.984257] RDX: 0000000000000000 RSI: ffff888097baf7a8 RDI: ffff8880a8b4c460
[   31.991506] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003
[   31.998940] R10: 0000000000000000 R11: ffff888099ca6140 R12: 00000000000003dc
[   32.006185] R13: ffffffff86b354c0 R14: 0000000000000000 R15: ffff888097baf7a8
[   32.013453]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   32.018544]  ? debug_check_no_obj_freed+0x2c0/0x674
[   32.023536]  ? ext4_xattr_inode_get+0x5d0/0x5d0
[   32.028192]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   32.033674]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   32.038836]  ? __kmalloc+0x3a4/0x400
[   32.042534]  ? ext4_xattr_block_set+0x1209/0x2af0
[   32.047360]  ext4_xattr_block_set+0x1334/0x2af0
[   32.052018]  ? ext4_xattr_ibody_set+0x280/0x280
[   32.056662]  ? __getblk_gfp+0x48/0x70
[   32.060454]  ? ext4_xattr_ibody_find+0x223/0x5c0
[   32.065182]  ? ext4_xattr_block_find+0x52/0x5a0
[   32.070044]  ? ext4_xattr_ibody_set+0x1bb/0x280
[   32.074691]  ext4_xattr_set_handle+0x839/0xd20
[   32.079255]  ? ext4_xattr_ibody_inline_set+0x280/0x280
[   32.084522]  ? avc_has_perm+0x1a4/0x330
[   32.088602]  ? __dquot_initialize+0x228/0xa70
[   32.093074]  ? avc_has_perm_noaudit+0x2a0/0x2a0
[   32.097852]  ? __ext4_journal_start_sb+0x105/0x3b0
[   32.102816]  ? ext4_xattr_set+0x19b/0x230
[   32.106943]  ext4_xattr_set+0x118/0x230
[   32.110897]  ? ext4_xattr_set_credits+0x1f0/0x1f0
[   32.115728]  ? xattr_resolve_name+0x22c/0x370
[   32.120201]  ? ext4_xattr_inode_update_ref.cold+0x119/0x119
[   32.125884]  __vfs_setxattr+0xdc/0x130
[   32.129750]  ? xattr_resolve_name+0x370/0x370
[   32.134394]  ? evm_protect_xattr.constprop.0+0x6c/0x350
[   32.139740]  __vfs_setxattr_noperm+0xfd/0x3d0
[   32.144213]  __vfs_setxattr_locked+0x14d/0x250
[   32.149120]  vfs_setxattr+0xcf/0x230
[   32.152825]  ? __check_object_size+0x119/0x22c
[   32.157388]  ? __vfs_setxattr_locked+0x250/0x250
[   32.162120]  ? strncpy_from_user+0x210/0x2c0
[   32.166508]  setxattr+0x1a9/0x300
[   32.169953]  ? vfs_setxattr+0x230/0x230
[   32.173905]  ? filename_lookup+0x380/0x510
[   32.178123]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   32.183554]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   32.188545]  ? preempt_count_add+0xaf/0x170
[   32.192959]  ? __mnt_want_write+0x1da/0x270
[   32.197259]  path_setxattr+0x118/0x130
[   32.201134]  ? setxattr+0x300/0x300
[   32.204738]  SyS_lsetxattr+0x33/0x40
[   32.208445]  ? SyS_setxattr+0x50/0x50
[   32.212225]  do_syscall_64+0x1d5/0x640
[   32.216092]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   32.221259] RIP: 0033:0x4445a9
[   32.224436] RSP: 002b:00007ffe375c2e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[   32.232135] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004445a9
[   32.239380] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000140
[   32.246639] RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000
[   32.253884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190
[   32.261391] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000
[   32.270270] Kernel Offset: disabled
[   32.274002] Rebooting in 86400 seconds..