INFO: task jfsCommit:124 blocked in I/O wait for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit       state:D stack:27656 pid:124   tgid:124   ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 io_schedule+0x7f/0xd0
 lock_metapage+0x1fe/0x400
 __get_metapage+0x47a/0xdf0
 diIAGRead+0xce/0x140
 diFree+0x9dc/0x2d00
 jfs_evict_inode+0x324/0x430
 evict+0x624/0xb50
 jfs_lazycommit+0x44c/0xac0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/0:0/9:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa20/0x14e0
 #1: ffffc900000e7c40 ((work_completion)(&m->mpeg_thread)){+.+.}-{0:0}, at: process_scheduled_works+0xa20/0x14e0
1 lock held by khungtaskd/35:
 #0: ffffffff8e959c20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/124:
 #0: ffff888114428910 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x2ee/0x2d00
 #1: ffff888012043640 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x30c/0x2d00
2 locks held by getty/5436:
 #0: ffff888175c270a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034732e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
2 locks held by syz.0.8004/28721:
1 lock held by syz.2.8006/28730:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(full) 
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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 28721 Comm: syz.0.8004 Tainted: G             L      syzkaller #0 PREEMPT(full) 
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:__sanitizer_cov_trace_pc+0x0/0x70
Code: 89 fb e8 23 00 00 00 48 8b 3d 94 0e 64 0c 48 89 de 5b e9 03 08 62 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d 38 ce 79 11 65 8b 15 59 ce 79
RSP: 0018:ffffc9000facf488 EFLAGS: 00000202
RAX: 0000000000006449 RBX: 00000000001a6449 RCX: ffff888103b3bb80
RDX: 0000000000000002 RSI: 0000000000006449 RDI: 0000000000000000
RBP: 0000000000000005 R08: ffff8881625f56cf R09: 1ffff1102c4bead9
R10: dffffc0000000000 R11: ffffed102c4beada R12: 0000000000000009
R13: ffff8881625f5680 R14: 0000000000000005 R15: 0000000000000020
FS:  00007f340ff7f6c0(0000) GS:ffff8882a921d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a1dff8 CR3: 000000016cc36000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __page_table_check_zero+0x275/0x430
 free_unref_folios+0xd94/0x14a0
 folios_put_refs+0x9e9/0xb30
 truncate_inode_pages_range+0x3ca/0xd80
 blkdev_flush_mapping+0x109/0x2f0
 bdev_release+0x443/0x690
 blkdev_release+0x15/0x20
 __fput+0x418/0xa50
 task_work_run+0x1d9/0x270
 get_signal+0x1181/0x12c0
 arch_do_signal_or_restart+0xbb/0x860
 exit_to_user_mode_loop+0x104/0x730
 do_syscall_64+0x353/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f340f19ce59
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:00007f340ff7f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: 000000000541a000 RBX: 00007f340f415fa0 RCX: 00007f340f19ce59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f340f232e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f340f416038 R14: 00007f340f415fa0 R15: 00007ffdb06a5ba8
 </TASK>
