Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   40.695310] audit: type=1400 audit(1590023469.462:8): avc:  denied  { execmem } for  pid=6439 comm="syz-executor080" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   40.712086] MINIX-fs: mounting unchecked file system, running fsck is recommended
[   40.726225] ------------[ cut here ]------------
[   40.735026] WARNING: CPU: 1 PID: 6439 at fs/inode.c:343 inc_nlink.cold+0x11/0x18
[   40.742598] Kernel panic - not syncing: panic_on_warn set ...
[   40.742598] 
[   40.749997] CPU: 1 PID: 6439 Comm: syz-executor080 Not tainted 4.19.124-syzkaller #0
[   40.757895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.767355] Call Trace:
[   40.769971]  dump_stack+0x1fc/0x2fe
[   40.773634]  panic+0x26a/0x50e
[   40.776943]  ? __warn_printk+0xf3/0xf3
[   40.780861]  ? inc_nlink.cold+0x11/0x18
[   40.784861]  ? __probe_kernel_read+0x16c/0x1b0
[   40.789432]  ? __warn.cold+0x5/0x46
[   40.793233]  ? __warn+0xe4/0x1c0
[   40.796589]  ? inc_nlink.cold+0x11/0x18
[   40.800544]  __warn.cold+0x20/0x46
[   40.804167]  ? inc_nlink.cold+0x11/0x18
[   40.808124]  report_bug+0x262/0x2a0
[   40.811736]  do_error_trap+0x1d7/0x310
[   40.815604]  ? math_error+0x310/0x310
[   40.819384]  ? __irq_work_queue_local+0x101/0x160
[   40.824222]  ? irq_work_queue+0x2b/0x80
[   40.830613]  ? wake_up_klogd+0x8c/0xc0
[   40.834482]  ? trace_hardirqs_off_caller+0x69/0x210
[   40.839481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.844310]  invalid_op+0x14/0x20
[   40.847760] RIP: 0010:inc_nlink.cold+0x11/0x18
[   40.852323] Code: 51 b9 ff 44 89 e0 5b 5d 41 5c c3 e8 20 ff ee ff eb c3 e8 29 ff ee ff eb 8e e8 02 51 b9 ff 48 c7 c7 80 c9 74 87 e8 2f f6 a4 ff <0f> 0b e9 48 86 ff ff e8 ea 50 b9 ff 48 8d 7b 40 b8 ff ff 37 00 48
[   40.871308] RSP: 0018:ffff88808ead7d88 EFLAGS: 00010282
[   40.876740] RAX: 0000000000000024 RBX: ffff888082f97960 RCX: 0000000000000000
[   40.884017] RDX: 0000000000000000 RSI: ffffffff81534081 RDI: ffffed1011d5afa3
[   40.891284] RBP: 0000000000000000 R08: 0000000000000024 R09: ffffed1015ce5081
[   40.898776] R10: ffffed1015ce5080 R11: ffff8880ae728407 R12: ffff888082f979a8
[   40.906049] R13: ffff888083735080 R14: 00000000000000fa R15: 0000000000000000
[   40.913346]  ? vprintk_func+0x81/0x17e
[   40.917232]  ? inc_nlink.cold+0x11/0x18
[   40.921196]  minix_mkdir+0x71/0x1b0
[   40.924817]  ? minix_create+0x30/0x30
[   40.928601]  ? security_inode_mkdir+0xd9/0x110
[   40.933167]  vfs_mkdir+0x423/0x6a0
[   40.936690]  do_mkdirat+0x21e/0x280
[   40.940330]  ? __ia32_sys_mknod+0xb0/0xb0
[   40.944458]  ? trace_hardirqs_off_caller+0x69/0x210
[   40.949457]  ? do_syscall_64+0x21/0x620
[   40.953419]  do_syscall_64+0xf9/0x620
[   40.957216]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.962400] RIP: 0033:0x444a59
[   40.965586] Code: 0d d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   40.984467] RSP: 002b:00007ffdd3e0dab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   40.992192] RAX: ffffffffffffffda RBX: 00007ffdd3e0dac0 RCX: 0000000000444a59
[   40.999466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240
[   41.006715] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400e40
[   41.013975] R10: 00007ffdd3e0d990 R11: 0000000000000246 R12: 00000000004026c0
[   41.021242] R13: 0000000000402750 R14: 0000000000000000 R15: 0000000000000000
[   41.030127] Kernel Offset: disabled
[   41.033875] Rebooting in 86400 seconds..