INFO: task jfsCommit:119 blocked 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:27104 pid:119   tgid:119   ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 lock_metapage+0x1ff/0x400
 __get_metapage+0x49a/0xde0
 diIAGRead+0xce/0x140
 diFree+0x9de/0x2ca0
 jfs_evict_inode+0x331/0x440
 evict+0x61e/0xb10
 jfs_lazycommit+0x43d/0xaa0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:1/10:
 #0: ffff88810006b148 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900000f7c40 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbcfa88 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20
1 lock held by khungtaskd/35:
 #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/119:
 #0: ffff888104ae0920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x2e9/0x2ca0
 #1: ffff88801f231cb0 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x307/0x2ca0
1 lock held by dhcpcd/5555:
 #0: ffffffff8fbcfa88 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x32b/0x1b30
2 locks held by getty/5637:
 #0: ffff88811042e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
3 locks held by kworker/0:4/5847:
 #0: ffff88810006b148 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900062dfc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88811585c240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0
4 locks held by kworker/u8:4/6062:
 #0: ffff8881012ae148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900068cfc40 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbc1310 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf4/0x800
 #3: ffffffff8fbcfa88 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x2a4/0x940
2 locks held by syz-executor/9284:
2 locks held by syz-executor/11135:
1 lock held by syz.0.878/13331:
 #0: ffff88811575a0e0 (&type->s_umount_key#57){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.7.938/13739:
 #0: ffff8881aa58e0e0 (&type->s_umount_key#57){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz-executor/14024:
 #0: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
1 lock held by syz-executor/14372:
 #0: ffffffff8fbcfa88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0
1 lock held by syz.3.1028/14376:
 #0: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 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+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 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: 14376 Comm: syz.3.1028 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:__lock_acquire+0x70/0x2cf0
Code: 48 3d 20 44 e0 93 0f 84 da 13 00 00 41 89 cd 41 89 d6 8b 0d b2 37 c1 0c 85 c9 44 0f 44 c1 31 c9 48 3d 10 44 e0 93 41 0f 45 c8 <89> 4c 24 10 8b 0d 36 45 86 18 85 c9 0f 95 c0 83 fe 08 0f 92 c2 08
RSP: 0018:ffffc9000667f338 EFLAGS: 00000006
RAX: ffffffff9a2bfc40 RBX: 0000000000000246 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e75e5e0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8e75e5e0
R10: ffffc9000667f678 R11: fffff52000ccfed1 R12: 0000000000000002
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f271ea8f6c0(0000) GS:ffff8882a9459000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056552efdc131 CR3: 000000000e54c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0xf0/0x2e0
 unwind_next_frame+0xc2/0x23c0
 __unwind_start+0x5b8/0x760
 arch_stack_walk+0xe3/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xc2b/0xdb0
 vfree+0x25a/0x400
 kcov_close+0x28/0x50
 __fput+0x44f/0xa70
 task_work_run+0x1d9/0x270
 do_exit+0x70f/0x23c0
 do_group_exit+0x21b/0x2d0
 get_signal+0x1284/0x1330
 arch_do_signal_or_restart+0xbc/0x830
 exit_to_user_mode_loop+0x86/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f271db9c799
Code: Unable to access opcode bytes at 0x7f271db9c76f.
RSP: 002b:00007f271ea8f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: 00000000006c4000 RBX: 00007f271de15fa0 RCX: 00007f271db9c799
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f271dc32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0800000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f271de16038 R14: 00007f271de15fa0 R15: 00007ffe0dee3f48
 </TASK>
