INFO: task syz.8.1465:12962 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.1465      state:D stack:25088 pid:12962 tgid:12961 ppid:12515  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_read_slowpath+0x61e/0x920
 down_read+0x99/0x2e0
 __jfs_getxattr+0xd5/0x490
 __vfs_getxattr+0x3f4/0x430
 vfs_getxattr+0x251/0x2b0
 do_getxattr+0x176/0x320
 filename_getxattr+0x11f/0x220
 __x64_sys_lgetxattr+0x212/0x2b0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e3739c799
RSP: 002b:00007f3e382e2028 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0
RAX: ffffffffffffffda RBX: 00007f3e37615fa0 RCX: 00007f3e3739c799
RDX: 0000000000000000 RSI: 0000200000000840 RDI: 0000200000000240
RBP: 00007f3e37432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e37616038 R14: 00007f3e37615fa0 R15: 00007ffdcd9cd9a8
 </TASK>
INFO: task syz.8.1465:12963 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.1465      state:D stack:28064 pid:12963 tgid:12961 ppid:12515  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 lock_metapage+0x1ff/0x400
 __get_metapage+0x49a/0xde0
 ea_write+0x5f0/0xde0
 __jfs_setxattr+0x944/0x1160
 __jfs_xattr_set+0xda/0x170
 __vfs_setxattr+0x43c/0x480
 __vfs_setxattr_noperm+0x12d/0x660
 vfs_setxattr+0x163/0x360
 filename_setxattr+0x296/0x630
 path_setxattrat+0x3eb/0x440
 __x64_sys_setxattr+0xbc/0xe0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e3739c799
RSP: 002b:00007f3e382c1028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f3e37616090 RCX: 00007f3e3739c799
RDX: 0000200000000a80 RSI: 00002000000001c0 RDI: 00002000000000c0
RBP: 00007f3e37432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000841 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e37616128 R14: 00007f3e37616090 R15: 00007ffdcd9cd9a8
 </TASK>
INFO: task syz.8.1465:12964 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.1465      state:D stack:28160 pid:12964 tgid:12961 ppid:12515  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_read_slowpath+0x61e/0x920
 down_read+0x99/0x2e0
 __jfs_getxattr+0xd5/0x490
 __vfs_getxattr+0x3f4/0x430
 vfs_getxattr+0x251/0x2b0
 do_getxattr+0x176/0x320
 filename_getxattr+0x11f/0x220
 __x64_sys_lgetxattr+0x212/0x2b0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e3739c799
RSP: 002b:00007f3e382a0028 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0
RAX: ffffffffffffffda RBX: 00007f3e37616180 RCX: 00007f3e3739c799
RDX: 0000000000000000 RSI: 0000200000000840 RDI: 0000200000000240
RBP: 00007f3e37432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e37616218 R14: 00007f3e37616180 R15: 00007ffdcd9cd9a8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e75e5a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5634:
 #0: ffff8881116880a0 (&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
2 locks held by syz-executor/10480:
4 locks held by kworker/u10:10/11952:
 #0: ffff8881622e7148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90003677c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff888115f240e0 (&type->s_umount_key#66){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
 #3: ffff8881187e81c8 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x1ca/0x530
1 lock held by syz.8.1465/12962:
 #0: ffff8881187e8260 (&jfs_ip->xattr_sem){++++}-{4:4}, at: __jfs_getxattr+0xd5/0x490
4 locks held by syz.8.1465/12963:
 #0: ffff888115f24420 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff8881187e8578 (&sb->s_type->i_mutex_key#30){+.+.}-{4:4}, at: vfs_setxattr+0x13e/0x360
 #2: ffff8881187e81c8 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: __jfs_xattr_set+0xb9/0x170
 #3: ffff8881187e8260 (&jfs_ip->xattr_sem){++++}-{4:4}, at: __jfs_setxattr+0xfa/0x1160
1 lock held by syz.8.1465/12964:
 #0: ffff8881187e8260 (&jfs_ip->xattr_sem){++++}-{4:4}, at: __jfs_getxattr+0xd5/0x490
3 locks held by syz.9.2130/15779:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 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/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: 15779 Comm: syz.9.2130 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:find_lock_entries+0x294/0xb20
Code: d2 0c 2e 00 4c 89 e1 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 4c 24 78 0f b6 04 01 84 c0 0f 85 ca 05 00 00 45 8b 34 24 <31> ff 44 89 f6 e8 42 d8 c4 ff 45 85 f6 0f 84 89 05 00 00 41 8d 4e
RSP: 0018:ffffc90007f7f540 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90007f7f5e0 RCX: 1ffffd4000d0df0e
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffea000686f874
RBP: ffffc90007f7f690 R08: ffffea000686f877 R09: 1ffffd4000d0df0e
R10: dffffc0000000000 R11: fffff94000d0df0f R12: ffffea000686f874
R13: fffffffffffffffe R14: 0000000000000001 R15: ffffea000686f840
FS:  00007f2eba7ab6c0(0000) GS:ffff8882a9465000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2eaf6ff000 CR3: 000000016a834000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 shmem_undo_range+0x2d6/0x1660
 shmem_evict_inode+0x240/0x9e0
 evict+0x61e/0xb10
 __dentry_kill+0x1a2/0x5e0
 finish_dput+0xc9/0x480
 __fput+0x691/0xa70
 fput_close_sync+0x11f/0x240
 __x64_sys_close+0x7e/0x110
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2eb995cfce
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:00007f2eba7aada8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f2eba7ab6c0 RCX: 00007f2eb995cfce
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007f2eba7aaee0 R14: 00007f2eba7aaea0 R15: 00007f2eaf600000
 </TASK>
