INFO: task syz.9.5532:30289 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.5532      state:D
 stack:27520 pid:30289 tgid:30272 ppid:29719  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x87d/0x1080
 down_write+0x1bc/0x200
 process_measurement+0x443/0x1c10
 ima_file_check+0xe1/0x130
 security_file_post_open+0xb3/0x260
 path_openat+0x2e90/0x3830
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa05499e0d9
RSP: 002b:00007fa0557d2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa054c26090 RCX: 00007fa05499e0d9
RDX: 0000000000143042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fa054a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa054c26128 R14: 00007fa054c26090 R15: 00007ffc074274d8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/10356:
 #0: ffff8881155500a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc90003c032e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
7 locks held by syz.9.5532/30273:
1 lock held by syz.9.5532/30289:
 #0: ffff888021210140 (&sb->s_type->i_mutex_key#41){+.+.}-{4:4}, at: process_measurement+0x443/0x1c10
4 locks held by syz-executor/30464:
3 locks held by syz-executor/30785:
2 locks held by syz.7.5822/31528:
 #0: 
ffff88823c63b160
 (
&rq->__lock
){-.-.}-{2:2}
, at: raw_spin_rq_lock_nested+0x2d/0x160
 #1: 
ffff88823c624440
 (
psi_seq
){-.-.}-{0:0}
, at: psi_task_switch+0x57/0x7d0

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x380
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30273 Comm: syz.9.5532 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:io_serial_out+0x7c/0xc0
Code: 9a 60 fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 9c 36 ce fc 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d e9 d7 51 6d 06 cc 44 89 f9 80 e1 07 38 c1
RSP: 0018:ffffc90004c9ea50 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 00000000000003f9 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: ffffffff85666680 R12: dffffc0000000000
R13: ffffffff9aad6460 R14: ffffffff9aad64a0 R15: 0000000000000000
FS:  00007fa0557f36c0(0000) GS:ffff88818d955000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b45390fa8 CR3: 000000016cb70000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 serial8250_console_write+0x571/0x1ba0
 console_flush_all+0x6ea/0xaf0
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 f2fs_printk+0x484/0x510
 f2fs_write_end_io+0x124b/0x1710
 __submit_merged_bio+0x258/0x6a0
 __submit_merged_write_cond+0x3c9/0x4e0
 f2fs_write_data_pages+0x2a27/0x36f0
 do_writepages+0x338/0x560
 filemap_write_and_wait_range+0x335/0x3f0
 f2fs_collapse_range+0x4a1/0x540
 f2fs_fallocate+0x540/0x970
 vfs_fallocate+0x65a/0x7e0
 __x64_sys_fallocate+0xbf/0x110
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa05499e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0557f3028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fa054c25fa0 RCX: 00007fa05499e0d9
RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007fa054a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa054c26038 R14: 00007fa054c25fa0 R15: 00007ffc074274d8
 </TASK>
