INFO: task syz-executor:19634 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-executor    state:D stack:21016 pid:19634 tgid:19634 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x14ef/0x4fb0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x6d8/0xbc0
 __filemap_get_folio_mpol+0x13e/0xb00
 truncate_inode_pages_range+0x48b/0xe30
 evict+0x631/0xb10
 evict_inodes+0x75a/0x7f0
 generic_shutdown_super+0x9a/0x2c0
 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+0x2b7/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03c879bf17
RSP: 002b:00007fff03e7e448 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f03c880471f RCX: 00007f03c879bf17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff03e7e500
RBP: 00007fff03e7e500 R08: 00007fff03e7f500 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff03e7f590
R13: 00007f03c880471f R14: 00000000000b961e R15: 00007fff03e7f5d0
 </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
3 locks held by kworker/u10:3/983:
3 locks held by kworker/u10:14/3299:
2 locks held by getty/5660:
 #0: ffff8881125310a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000357b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
4 locks held by kworker/1:5/6170:
3 locks held by kworker/u8:8/14656:
 #0: ffff8881121b1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
 #1: ffffc90004affbc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
 #2: ffffffff8f7aa488 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
7 locks held by kworker/u8:9/14657:
1 lock held by syz-executor/19634:
 #0: ffff88802b6d60e0 (&type->s_umount_key#68){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0
4 locks held by kworker/1:15/20703:
1 lock held by syz-executor/22269:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 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+0xf90/0xfe0
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 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: 983 Comm: kworker/u10:3 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
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:debug_smp_processor_id+0x0/0x20
Code: c0 74 42 8e 4c 89 f6 e8 8e 29 59 f9 e9 67 ff ff ff cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 c7 c7 a0 4b e7 8b 48 c7 c6 e0 4b e7 8b eb 1c 66 66
RSP: 0018:ffffc90000a086b8 EFLAGS: 00000282
RAX: ffffffff89506b95 RBX: ffffffff89506b57 RCX: 0000000000000100
RDX: ffff88816a3f0000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000a08990 R08: ffffffff89506b57 R09: ffffffff8e35a3c0
R10: 0000000000000048 R11: 0000000000000100 R12: dffffc0000000000
R13: ffff8881a6cd44f0 R14: 0000000000000001 R15: 1ffff11034d9a892
FS:  0000000000000000(0000) GS:ffff8882a9924000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557909aa68 CR3: 0000000174d3c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rcu_is_watching+0x15/0xb0
 __dev_queue_xmit+0x2f4/0x32b0
 can_send+0x921/0xd20
 can_can_gw_rcv+0xc45/0xf20
 can_rcv_filter+0x126/0x7d0
 can_receive+0x312/0x450
 can_rcv+0x145/0x270
 __netif_receive_skb+0x164/0x370
 process_backlog+0x54e/0x1340
 __napi_poll+0xae/0x320
 net_rx_action+0x696/0xe30
 handle_softirqs+0x22a/0x7c0
 do_softirq+0x76/0xd0
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x130
 cfg80211_inform_single_bss_data+0x13b9/0x1ab0
 cfg80211_inform_bss_data+0x233/0x3bb0
 cfg80211_inform_bss_frame_data+0x3c7/0x710
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_ibss_rx_queued_mgmt+0x1901/0x2c80
 ieee80211_iface_work+0x85e/0x12b0
 cfg80211_wiphy_work+0x2ab/0x450
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 ret_from_fork_asm+0x1a/0x30
 </TASK>
