Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   63.490945][ T7197] MINIX-fs: mounting unchecked file system, running fsck is recommended
[   63.509922][ T7197] ------------[ cut here ]------------
[   63.515554][ T7197] WARNING: CPU: 0 PID: 7197 at fs/inode.c:360 inc_nlink+0x144/0x160
[   63.523545][ T7197] Kernel panic - not syncing: panic_on_warn set ...
[   63.530151][ T7197] CPU: 0 PID: 7197 Comm: syz-executor186 Not tainted 5.7.0-rc6-syzkaller #0
[   63.538834][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.548926][ T7197] Call Trace:
[   63.552240][ T7197]  dump_stack+0x188/0x20d
[   63.556583][ T7197]  ? inc_nlink+0xe0/0x160
[   63.560947][ T7197]  panic+0x2e3/0x75c
[   63.565218][ T7197]  ? add_taint.cold+0x16/0x16
[   63.569946][ T7197]  ? printk+0xba/0xed
[   63.573986][ T7197]  ? kmsg_dump_rewind_nolock+0xd9/0xd9
[   63.579464][ T7197]  ? __warn.cold+0x14/0x35
[   63.583893][ T7197]  ? __warn+0xd5/0x1c8
[   63.588033][ T7197]  ? inc_nlink+0x144/0x160
[   63.592431][ T7197]  __warn.cold+0x2f/0x35
[   63.596659][ T7197]  ? inc_nlink+0x144/0x160
[   63.601073][ T7197]  report_bug+0x27b/0x2f0
[   63.605389][ T7197]  do_error_trap+0x12b/0x220
[   63.609960][ T7197]  ? inc_nlink+0x144/0x160
[   63.614377][ T7197]  do_invalid_op+0x32/0x40
[   63.618775][ T7197]  ? inc_nlink+0x144/0x160
[   63.623203][ T7197]  invalid_op+0x23/0x30
[   63.627351][ T7197] RIP: 0010:inc_nlink+0x144/0x160
[   63.632428][ T7197] Code: ff 4c 89 e7 e8 ed 70 ee ff e9 42 ff ff ff 4c 89 e7 e8 70 70 ee ff e9 fc fe ff ff 4c 89 e7 e8 63 70 ee ff eb d4 e8 bc 8f b0 ff <0f> 0b e9 6e ff ff ff e8 60 70 ee ff e9 44 ff ff ff e8 56 70 ee ff
[   63.652178][ T7197] RSP: 0018:ffffc90001657d88 EFLAGS: 00010293
[   63.658230][ T7197] RAX: ffff8880962aa600 RBX: ffff888087318a00 RCX: ffffffff81c2a4d0
[   63.666197][ T7197] RDX: 0000000000000000 RSI: ffffffff81c2a564 RDI: 0000000000000007
[   63.674155][ T7197] RBP: 0000000000000000 R08: ffff8880962aa600 R09: ffffed1015440757
[   63.682123][ T7197] R10: ffff8880aa203ab3 R11: ffffed1015440756 R12: ffff888087318a48
[   63.690101][ T7197] R13: ffff8880896a8450 R14: ffff8880896a84b0 R15: 0000000000000000
[   63.698171][ T7197]  ? inc_nlink+0xb0/0x160
[   63.702508][ T7197]  ? inc_nlink+0x144/0x160
[   63.707000][ T7197]  ? inc_nlink+0x144/0x160
[   63.711415][ T7197]  minix_mkdir+0x71/0x1b0
[   63.715751][ T7197]  ? minix_create+0x30/0x30
[   63.720248][ T7197]  ? generic_permission+0x116/0x520
[   63.725451][ T7197]  ? security_inode_permission+0xc4/0xf0
[   63.731094][ T7197]  ? security_inode_mkdir+0xd9/0x110
[   63.736369][ T7197]  vfs_mkdir+0x419/0x690
[   63.740616][ T7197]  do_mkdirat+0x21e/0x280
[   63.744933][ T7197]  ? __ia32_sys_mknod+0xb0/0xb0
[   63.749781][ T7197]  ? filp_close+0x12f/0x170
[   63.754266][ T7197]  ? trace_hardirqs_off_caller+0x55/0x230
[   63.759978][ T7197]  do_syscall_64+0xf6/0x7d0
[   63.764476][ T7197]  entry_SYSCALL_64_after_hwframe+0x49/0xb3
[   63.770363][ T7197] RIP: 0033:0x444a59
[   63.774246][ T7197] 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
[   63.793839][ T7197] RSP: 002b:00007fff6ab18768 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   63.802233][ T7197] RAX: ffffffffffffffda RBX: 00007fff6ab18770 RCX: 0000000000444a59
[   63.810191][ T7197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240
[   63.818148][ T7197] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400e40
[   63.826112][ T7197] R10: 00007fff6ab18640 R11: 0000000000000246 R12: 00000000004026c0
[   63.834089][ T7197] R13: 0000000000402750 R14: 0000000000000000 R15: 0000000000000000
[   63.843460][ T7197] Kernel Offset: disabled
[   63.847854][ T7197] Rebooting in 86400 seconds..