INFO: task jfsCommit:124 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit       state:D stack:26176 pid:124   tgid:124   ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 lock_metapage+0x1ff/0x400
 __get_metapage+0x49a/0xe20
 diIAGRead+0xce/0x140
 diFree+0x9e1/0x2ca0
 jfs_evict_inode+0x331/0x440
 evict+0x61e/0xb10
 jfs_lazycommit+0x43d/0xaa0
 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/u9:0/26:
1 lock held by khungtaskd/34:
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/124:
 #0: ffff8881a26b0910 (&(imap->im_aglock[index])){+.+.}-{4:4}
, at: diFree+0x2ec/0x2ca0
 #1: ffff8881b7548a10 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x30a/0x2ca0
2 locks held by getty/5437:
 #0: ffff8881110bb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034832e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
3 locks held by syz-executor/13462:
2 locks held by syz-executor/15055:
2 locks held by syz-executor/15800:
3 locks held by syz-executor/16064:
2 locks held by syz-executor/16591:
3 locks held by syz.2.1040/16615:
1 lock held by syz.1.1041/16618:
 #0: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
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/0x300
 sys_info+0x135/0x170
 watchdog+0xfd3/0x1030
 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: 16591 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:serial8250_console_write+0x1727/0x1ba0
Code: 4c 89 f7 e8 ab 50 ec fc 49 8b 3e e8 13 d9 60 fc 84 c0 75 07 e8 fa 12 81 fc eb dc e8 f3 12 81 fc c7 44 24 14 00 00 00 00 eb 88 <48> c7 c1 e0 93 44 9a 80 e1 07 80 c1 03 38 c1 0f 8c 9f e9 ff ff 48
RSP: 0018:ffffc90003ace8e0 EFLAGS: 00000002
RAX: 0000000000000004 RBX: 0000000000000200 RCX: ffff88816c9e9d80
RDX: 0000000000000000 RSI: 0000000000000c58 RDI: 0000000000000000
RBP: ffffc90003acea50 R08: ffffffff81a4ceb3 R09: ffffffff8e94f2c0
R10: dffffc0000000000 R11: ffffffff85439b70 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff9a7a2b38 R15: ffffffff9a7a2840
FS:  000055555baf6500(0000) GS:ffff88818dc8d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001264a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 console_flush_all+0x718/0xb20
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 batadv_hardif_enable_interface+0x872/0xa10
 batadv_meshif_slave_add+0x79/0x100
 do_set_master+0x533/0x6d0
 do_setlink+0x103d/0x45a0
 rtnl_newlink+0x15ad/0x1bb0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x813/0xb40
 __sys_sendto+0x672/0x710
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe430b5d60e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffeb6f17f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055555baf6500 RCX: 00007fe430b5d60e
RDX: 0000000000000028 RSI: 00007fe431944670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffeb6f17fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fe431944670 R15: 0000000000000000
 </TASK>
