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 khungtaskd/35:
 #0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/116:
 #0: ffff888114470920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x2e9/0x2ca0
 #1: ffff8880226d5cc8 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x307/0x2ca0
2 locks held by getty/5639:
 #0: ffff88810f2a90a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
3 locks held by kworker/0:7/6861:
 #0: ffff888100075948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
 #1: ffffc90003947bc0 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
 #2: ffff888110485240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x202/0x3d0
1 lock held by syz.8.966/13862:
2 locks held by syz.1.965/13842:
2 locks held by dhcpcd/13860:
 #0: ffff8881b5b0c260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcd0
 #1: ffffffff8e360c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
1 lock held by dhcpcd/13861:
 #0: ffff8881707c4260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcd0

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

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: 13867 Comm: rm 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:unwind_next_frame+0x484/0x23c0
Code: d2 84 c0 48 0f 45 d1 48 89 15 38 1d 61 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 66 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90004186cd8 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8fe6c2d8 RCX: ffffffff8fe6c2dc
RDX: ffffffff9062e996 RSI: ffffffff9062e96c RDI: ffffffff8be738a0
RBP: dffffc0000000000 R08: 0000000000000008 R09: ffffffff8e35a360
R10: ffffc90004186df8 R11: ffffffff81ae5bd0 R12: ffffffff9062e99a
R13: ffffffff9062e99b R14: ffffc90004186da8 R15: ffffffff8fe6c2d8
FS:  00007f0758d9e380(0000) GS:ffff88818e326000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f106300a0d0 CR3: 000000010e91e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __set_page_owner+0x8d/0x4c0
 post_alloc_hook+0x228/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 alloc_pages_mpol+0x232/0x4a0
 alloc_pages_noprof+0xa8/0x190
 pte_alloc_one+0x23/0x370
 __do_fault+0xd1/0x390
 do_pte_missing+0x554/0x3310
 handle_mm_fault+0x1b8c/0x32a0
 do_user_addr_fault+0x75b/0x1360
 exc_page_fault+0x6a/0xc0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:rep_stos_alternative+0x40/0x80
Code: c9 75 f6 e9 c2 55 04 00 48 89 07 48 83 c7 08 83 e9 08 74 ef 83 f9 08 73 ef eb de 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47
RSP: 0018:ffffc900041879b8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 00007f106300a298 RCX: 0000000000000f30
RDX: 0000000000000000 RSI: ffffffff8dd3951f RDI: 00007f106300a0d0
RBP: dffffc0000000000 R08: ffffffff8210d3df R09: ffff88810ca85900
R10: dffffc0000000000 R11: ffffed1021ea7af9 R12: 00007f106300a0d0
R13: 00000000000000d0 R14: 0000000000000f30 R15: ffff8881107928a8
 elf_load+0x4cc/0x6a0
 load_elf_interp+0x4ce/0xb60
 load_elf_binary+0x1b2f/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: 0033:0x7f0758ed8ef7
Code: Unable to access opcode bytes at 0x7f0758ed8ecd.
RSP: 002b:00007ffc04d49d08 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00005570ea9a5f58 RCX: 00007f0758ed8ef7
RDX: 00005570ea9a5f78 RSI: 00005570ea9a5f58 RDI: 00005570ea9a6000
RBP: 00005570ea9a6000 R08: fefefefefefefeff R09: ffffffffff000000
R10: 0000000058eb3b00 R11: 0000000000000246 R12: 00005570ea9a5f78
R13: 00007f0759086904 R14: 00005570ea9a5f78 R15: 0000000000000000
 </TASK>
