sshd (5971) used greatest stack depth: 15744 bytes left
====================================
WARNING: syz-executor232/5988 still has locks held!
4.20.0-rc4+ #255 Not tainted
------------------------------------
1 lock held by syz-executor232/5988:
#0: 000000002240c750 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120 fs/exec.c:1405
stack backtrace:
CPU: 1 PID: 5988 Comm: syz-executor232 Not tainted 4.20.0-rc4+ #255
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
print_held_locks_bug kernel/locking/lockdep.c:4362 [inline]
debug_check_no_locks_held.cold.49+0x93/0x9f kernel/locking/lockdep.c:4368
try_to_freeze include/linux/freezer.h:66 [inline]
freezer_count include/linux/freezer.h:128 [inline]
freezable_schedule include/linux/freezer.h:173 [inline]
de_thread fs/exec.c:1115 [inline]
flush_old_exec+0x1ea2/0x2480 fs/exec.c:1262
load_elf_binary+0xa9a/0x5cf0 fs/binfmt_elf.c:869
search_binary_handler+0x17d/0x570 fs/exec.c:1654
exec_binprm fs/exec.c:1696 [inline]
__do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1820
do_execveat_common fs/exec.c:1867 [inline]
compat_do_execveat fs/exec.c:1927 [inline]
__do_compat_sys_execveat fs/exec.c:1997 [inline]
__se_compat_sys_execveat fs/exec.c:1989 [inline]
__ia32_compat_sys_execveat+0xf3/0x140 fs/exec.c:1989
do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fe8a29
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f7fe41cc EFLAGS: 00000292 ORIG_RAX: 0000000000000166
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000001000
RBP