INFO: task jfsCommit:116 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:26904 pid:116   tgid:116   ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x14ef/0x4fb0
 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+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_preempt/16:
 #0: ffff88812103a918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
3 locks held by kworker/1:1/33:
 #0: ffff888100075948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
 #1: ffff88823c624588 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
 #2: ffff8880276d2240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0
1 lock held by khungtaskd/35:
 #0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/116:
 #0: ffff8881b4cd0920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x2e9/0x2ca0
 #1: ffff8881bc3a4a78 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x307/0x2ca0
2 locks held by getty/5637:
 #0: ffff8881145200a0 (&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/0:3/5818:
 #0: ffff888100075948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
 #1: ffffc90004cc7bc0 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
 #2: ffff88801d799240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0
3 locks held by kworker/0:4/5868:
 #0: ffff88812103a918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
 #1: ffff888121024588 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
 #2: ffff8880213e0240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0
1 lock held by syz.3.533/10244:
 #0: ffff88810e05f870 (&fc->uapi_mutex){+.+.}-{4:4}, at: __se_sys_fsconfig+0x765/0x8e0
2 locks held by syz.3.533/10245:
 #0: ffff88810e05f070 (&fc->uapi_mutex){+.+.}-{4:4}, at: __se_sys_fsconfig+0x765/0x8e0
 #1: ffffffff8e360c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
1 lock held by syz.6.537/10288:
 #0: ffffffff8e360c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
2 locks held by cmp/10295:

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

NMI backtrace for cpu 1
CPU: 1 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+0xf90/0xfe0
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 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: 10297 Comm: dhcpcd-run-hook 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:check_preemption_disabled+0x21/0xe0
Code: 90 90 90 90 90 90 90 90 90 55 41 57 41 56 53 65 8b 05 c7 b6 56 07 65 8b 0d bc b6 56 07 f7 c1 ff ff ff 7f 74 0c 5b 41 5e 41 5f <5d> e9 59 c7 02 00 cc 9c 59 f7 c1 00 02 00 00 74 ea 65 4c 8b 3d 6e
RSP: 0018:ffffc900028ef588 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8daecfb0 RDI: ffffffff8be73900
RBP: ffffffff817693a8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000e R11: ffffffff81ae5c10 R12: 0000000000000002
R13: ffffffff8e35a420 R14: 0000000000000000 R15: 0000000000000246
FS:  00007fdea4195380(0000) GS:ffff88818e326000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564b00a9a000 CR3: 000000011a668000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0xcd/0x330
 __virt_addr_valid+0x1e5/0x5b0
 kasan_addr_to_slab+0xf/0x60
 kasan_record_aux_stack+0xf/0xd0
 kmem_cache_free+0x46e/0x610
 exit_mmap+0x544/0xb30
 __mmput+0x118/0x430
 exec_mmap+0x3b4/0x440
 begin_new_exec+0x134a/0x2460
 load_elf_binary+0xa47/0x2980
 bprm_execve+0x93d/0x1410
 do_execveat_common+0x50f/0x690
 __x64_sys_execve+0x94/0xb0
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdea42cfef7
Code: Unable to access opcode bytes at 0x7fdea42cfecd.
RSP: 002b:00007ffe66da9b68 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 0000564b00a99f50 RCX: 00007fdea42cfef7
RDX: 0000564b00a99ff8 RSI: 0000564b00a99f50 RDI: 0000564b00a9a0a8
RBP: 0000564b00a9a0a8 R08: fefefefefefefeff R09: ffffffffff000000
R10: 00000000a42aab01 R11: 0000000000000246 R12: 0000564b00a99ff8
R13: 00007fdea447d904 R14: 0000564b00a99ff8 R15: 0000000000000000
 </TASK>
