INFO: task syz-executor:7183 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22376 pid:7183  tgid:7183  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4cadd9d9d7
RSP: 002b:00007ffd762ca248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f4cade32050 RCX: 00007f4cadd9d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd762ca300
RBP: 00007ffd762ca300 R08: 00007ffd762cb300 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd762cb390
R13: 00007f4cade32050 R14: 000000000001f64d R15: 00007ffd762cb3d0
 </TASK>
INFO: task syz-executor:7253 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22656 pid:7253  tgid:7253  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f654539d9d7
RSP: 002b:00007ffd2fbee148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6545432050 RCX: 00007f654539d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2fbee200
RBP: 00007ffd2fbee200 R08: 00007ffd2fbef200 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2fbef290
R13: 00007f6545432050 R14: 00000000000227a5 R15: 00007ffd2fbef2d0
 </TASK>
INFO: task syz-executor:7419 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22688 pid:7419  tgid:7419  ppid:1      task_flags:0x400140 flags:0x00080003
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8b43b9d9d7
RSP: 002b:00007ffcebb23f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8b43c32050 RCX: 00007f8b43b9d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcebb23fc0
RBP: 00007ffcebb23fc0 R08: 00007ffcebb24fc0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcebb25050
R13: 00007f8b43c32050 R14: 0000000000022d2f R15: 00007ffcebb25090
 </TASK>
INFO: task syz-executor:7520 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22688 pid:7520  tgid:7520  ppid:1      task_flags:0x400140 flags:0x00080003
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd07839d9d7
RSP: 002b:00007ffc0f6099b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fd078432050 RCX: 00007fd07839d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc0f609a70
RBP: 00007ffc0f609a70 R08: 00007ffc0f60aa70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0f60ab00
R13: 00007fd078432050 R14: 0000000000023ca2 R15: 00007ffc0f60ab40
 </TASK>
INFO: task syz-executor:7808 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22848 pid:7808  tgid:7808  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb9f239d9d7
RSP: 002b:00007ffe23adfb28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fb9f2432050 RCX: 00007fb9f239d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe23adfbe0
RBP: 00007ffe23adfbe0 R08: 00007ffe23ae0be0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe23ae0c70
R13: 00007fb9f2432050 R14: 000000000002d306 R15: 00007ffe23ae0cb0
 </TASK>
INFO: task syz.4.338:8058 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.338       state:D stack:24960 pid:8058  tgid:8057  ppid:7805   task_flags:0x400040 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
 super_lock+0x2d6/0x3d0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x540/0x9e0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f41a279c799
RSP: 002b:00007f41a3611028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f41a2a15fa0 RCX: 00007f41a279c799
RDX: 0000000000000000 RSI: 0000200000000080 RDI: ffffffff80000401
RBP: 00007f41a2832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f41a2a16038 R14: 00007f41a2a15fa0 R15: 00007fffe5811378
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e75e3e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5635:
 #0: ffff88816c7a60a0 (&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
2 locks held by syz-executor/7142:
 #0: ffff8881719800e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7183:
 #0: ffff888172c4e0e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7253:
 #0: ffff8881116700e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7419:
 #0: ffff8881b46d60e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7520:
 #0: ffff8881b1b240e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7616:
 #0: ffff888023dd60e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/7808:
 #0: ffff888104fd40e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.4.338/8058:
 #0: ffff8881719800e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.5.390/8217:
 #0: ffff888172c4e0e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.7.396/8296:
 #0: ffff8881116700e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.8.436/8579:
 #0: ffff8881b46d60e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
2 locks held by syz-executor/8740:
 #0: ffff8881b825a0e0 (&type->s_umount_key#89){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec348 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.9.517/8913:
 #0: ffff8881b1b240e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.2.584/9140:
 #0: ffff888023dd60e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.6.610/9266:
 #0: ffff888104fd40e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x289/0x3d0
1 lock held by syz.4.622/9323:
 #0: ffff8881719800e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.5.658/9474:
 #0: ffff888172c4e0e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.5.658/9475:
 #0: ffff888172c4e0e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.7.700/9753:
 #0: ffff8881116700e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x289/0x3d0
1 lock held by syz.7.700/9754:
 #0: ffff8881116700e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x289/0x3d0
1 lock held by syz.8.706/9780:
 #0: ffff8881b46d60e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.1.723/9920:
 #0: ffff8881719800e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.9.731/9984:
 #0: ffff8881b1b240e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.0.764/10142:
 #0: ffff8881b825a0e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.2.776/10187:
 #0: ffff888023dd60e0 (&type->s_umount_key#89){++++}-{4:4}, at: super_lock+0x289/0x3d0

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

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+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 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: 26 Comm: kworker/u9:0 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
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:lock_release+0x16e/0x3d0
Code: 81 e1 00 00 e0 ff 25 ff ff 1f 00 01 c8 05 00 00 e0 ff 81 c1 00 00 e0 ff 89 45 20 85 c9 0f 85 e6 00 00 00 45 89 af 50 0b 00 00 <48> 8b 45 00 49 89 87 48 0b 00 00 41 39 d5 0f 84 cb 00 00 00 41 ff
RSP: 0018:ffffc90000a16e48 EFLAGS: 00000083
RAX: 000000000004802a RBX: 0000000000000206 RCX: 0000000080000001
RDX: 0000000000000003 RSI: ffff88812103f1a8 RDI: ffff8881032d6390
RBP: ffff8881032d6390 R08: ffffffff822418e8 R09: ffff88812103f1a8
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000003
R13: 0000000000000003 R14: ffff88812103f1a8 R15: ffff8881032d57c0
FS:  0000000000000000(0000) GS:ffff88818de5f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9ed3e92f8 CR3: 0000000110184000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __kmalloc_noprof+0x297/0x760
 cfg80211_inform_single_bss_data+0x952/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_ibss_rx_queued_mgmt+0x1901/0x2cd0
 ieee80211_iface_work+0x84e/0x1340
 cfg80211_wiphy_work+0x2ab/0x4a0
 process_scheduled_works+0xb02/0x1830
 worker_thread+0xa50/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
