Warning: Permanently added '10.128.15.214' (ECDSA) to the list of known hosts.
executing program
[   45.550798] 
[   45.552697] ====================================
[   45.557439] WARNING: syz-executor701/6026 still has locks held!
[   45.563578] 4.20.0-rc4+ #356 Not tainted
[   45.567646] ------------------------------------
[   45.572478] 1 lock held by syz-executor701/6026:
[   45.577240]  #0: 00000000e411e851 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120
[   45.586466] 
[   45.586466] stack backtrace:
[   45.590970] CPU: 1 PID: 6026 Comm: syz-executor701 Not tainted 4.20.0-rc4+ #356
[   45.598404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.607781] Call Trace:
[   45.610364]  dump_stack+0x244/0x39d
[   45.613983]  ? dump_stack_print_info.cold.1+0x20/0x20
[   45.619169]  ? vprintk_func+0x85/0x181
[   45.623051]  debug_check_no_locks_held.cold.49+0x93/0x9f
[   45.628489]  flush_old_exec+0x1ea2/0x2480
[   45.632625]  ? save_stack+0x43/0xd0
[   45.636248]  ? __kmalloc+0x15b/0x760
[   45.639947]  ? copy_strings_kernel+0x110/0x110
[   45.644513]  ? iov_iter_init+0xe5/0x210
[   45.648473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   45.653995]  ? __vfs_read+0x11f/0x9b0
[   45.657777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.663295]  ? fsnotify+0x50e/0xef0
[   45.666911]  ? fsnotify+0xef0/0xef0
[   45.670523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.676085]  ? fsnotify_first_mark+0x350/0x350
[   45.680660]  ? __fsnotify_parent+0xcc/0x430
[   45.684967]  ? fsnotify+0xef0/0xef0
[   45.688682]  ? rw_verify_area+0x118/0x360
[   45.692815]  ? vfs_read+0x1ce/0x3c0
[   45.696426]  ? kernel_read+0xab/0x120
[   45.700210]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   45.705213]  ? load_elf_phdrs+0x1cd/0x260
[   45.709415]  ? writenote+0x3d0/0x3d0
[   45.713125]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[   45.718563]  load_elf_binary+0xa39/0x5620
[   45.722708]  ? find_held_lock+0x36/0x1c0
[   45.726759]  ? notesize.isra.6+0x80/0x80
[   45.730804]  ? ima_file_mmap+0x160/0x160
[   45.734854]  ? lock_downgrade+0x900/0x900
[   45.738993]  ? kasan_check_write+0x14/0x20
[   45.743224]  search_binary_handler+0x17d/0x570
[   45.747806]  __do_execve_file.isra.33+0x1661/0x25d0
[   45.752812]  ? prepare_bprm_creds+0x120/0x120
[   45.757294]  ? usercopy_warn+0x110/0x110
[   45.761344]  ? check_preemption_disabled+0x48/0x280
[   45.766349]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[   45.771872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   45.777394]  ? strncpy_from_user+0x411/0x5a0
[   45.781794]  ? digsig_verify+0x1530/0x1530
[   45.786015]  ? kmem_cache_alloc+0x33a/0x730
[   45.790320]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[   45.794885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.800406]  __x64_sys_execveat+0xed/0x130
[   45.804627]  do_syscall_64+0x1b9/0x820
[   45.808501]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   45.813847]  ? syscall_return_slowpath+0x5e0/0x5e0
[   45.818761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   45.823588]  ? trace_hardirqs_on_caller+0x310/0x310
[   45.828589]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   45.833593]  ? prepare_exit_to_usermode+0x291/0x3b0
[   45.838601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   45.843433]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   45.848606] RIP: 0033:0x4456c9
[   45.851783] Code: e8 6c b6 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   45.870666] RSP: 002b:00007f08fae93db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000142
[   45.878356] RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 00000000004456c9
[   45.885620] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
[   45.892878] RBP: 00000000006dac20 R08: 0000000000001000 R09: 0000000000000000
[   45.900186] R10: 000000