INFO: task syz.4.2068:19199 blocked for more than 147 seconds.
      Tainted: G             L       syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.2068      state:D stack:28064 pid:19199 tgid:19194 ppid:6039   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
 __schedule_loop kernel/sched/core.c:7464 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7479
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7536
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 process_measurement+0x7d0/0x1c10 security/integrity/ima/ima_main.c:319
 ima_file_check+0xdc/0x130 security/integrity/ima/ima_main.c:686
 security_file_post_open+0xb3/0x260 security/security.c:2801
 do_open fs/namei.c:4848 [inline]
 path_openat+0x14e9/0x1da0 fs/namei.c:5011
 do_file_open+0x23e/0x4a0 fs/namei.c:5040
 do_sys_openat2+0x115/0x200 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_openat fs/open.c:1464 [inline]
 __se_sys_openat fs/open.c:1459 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f78d319e199
RSP: 002b:00007f78d4047028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f78d3426180 RCX: 00007f78d319e199
RDX: 0000000000040042 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f78d32358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f78d3426218 R14: 00007f78d3426180 R15: 00007ffd9a2383e8
 </TASK>

Showing all locks held in the system:
locks held by kworker/0:0/9: 3, on CPU#0: