INFO: task syz-executor:4175 blocked for more than 145 seconds.
      Not tainted 5.15.177-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:18520 pid: 4175 ppid:     1 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 io_schedule+0x88/0x100 kernel/sched/core.c:8481
 wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
 lock_page include/linux/pagemap.h:625 [inline]
 truncate_inode_pages_range+0xc17/0x1290 mm/truncate.c:394
 evict+0x53c/0x930 fs/inode.c:624
 dispose_list fs/inode.c:655 [inline]
 evict_inodes+0x668/0x700 fs/inode.c:709
 generic_shutdown_super+0x94/0x310 fs/super.c:454
 kill_block_super+0x7a/0xe0 fs/super.c:1427
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8425e41057
RSP: 002b:00007ffda7d4d368 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f8425ec108c RCX: 00007f8425e41057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffda7d4d420
RBP: 00007ffda7d4d420 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffda7d4e4a0
R13: 00007f8425ec108c R14: 00007ffda7d4e4e0 R15: 0000000000000059
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by udevd/3544:
 #0: ffff888020a0b518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50 block/bdev.c:817
2 locks held by getty/3919:
 #0: ffff88802c709098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
2 locks held by syz-executor/4165:
 #0: ffff88807eaa20e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
 #1: ffffffff8cb242a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
 #1: ffffffff8cb242a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 kernel/rcu/tree_exp.h:845
2 locks held by syz-executor/4169:
 #0: ffff888147588118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
 #1: ffff8880209e4468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0 drivers/block/loop.c:1365
1 lock held by syz-executor/4175:
 #0: ffff88805e3980e0 (&type->s_umount_key#90){+.+.}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
2 locks held by kworker/u4:6/4247:
2 locks held by udevd/4738:
2 locks held by kworker/1:17/7631:
 #0: ffff888017472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
 #1: ffffc900030f7d20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
2 locks held by syz.6.790/7810:
7 locks held by syz.5.788/7812:
 #0: ffffffff8c9fc5a0 (console_lock){+.+.}-{0:0}, at: do_fb_ioctl+0x1e4/0x890 drivers/video/fbdev/core/fbmem.c:1179
 #1: ffff88802065c078 (&fb_info->lock){+.+.}-{3:3}, at: lock_fb_info include/linux/fb.h:650 [inline]
 #1: ffff88802065c078 (&fb_info->lock){+.+.}-{3:3}, at: do_fb_ioctl+0x1f9/0x890 drivers/video/fbdev/core/fbmem.c:1180
 #2: ffff8881475e1278 (&helper->lock){+.+.}-{3:3}, at: drm_fb_helper_dpms drivers/gpu/drm/drm_fb_helper.c:323 [inline]
 #2: ffff8881475e1278 (&helper->lock){+.+.}-{3:3}, at: drm_fb_helper_blank+0xa7/0x1e0 drivers/gpu/drm/drm_fb_helper.c:341
 #3: ffff8881476501a8 (&dev->master_mutex){+.+.}-{3:3}, at: drm_master_internal_acquire+0x1c/0x70 drivers/gpu/drm/drm_auth.c:453
 #4: ffff8881475e1098 (&client->modeset_mutex){+.+.}-{3:3}, at: drm_client_modeset_dpms+0xbf/0x890 drivers/gpu/drm/drm_client_modeset.c:1234
 #5: ffffc90003057990 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0xc3/0x7b0 drivers/gpu/drm/drm_client_modeset.c:994
 #6: ffff88801ea3f8b0 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0x288/0x5f0 drivers/gpu/drm/drm_modeset_lock.c:263

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xe72/0xeb0 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: phy11 ieee80211_iface_work
RIP: 0010:__lock_acquire+0x92/0x1ff0
Code: 03 80 3c 10 00 74 14 e8 2c 9a 67 00 48 8b 7c 24 08 48 ba 00 00 00 00 00 fc ff df 48 c7 c0 c0 bf 4f 90 48 39 07 75 03 45 31 ff <89> 5c 24 60 83 fd 01 77 33 89 e8 48 8d 5c c7 08 48 89 d8 48 c1 e8
RSP: 0018:ffffc90000ce78c0 EFLAGS: 00000002
RAX: ffffffff904fbfc0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88805e095890
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88813ff90000 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeabcc2000 CR3: 0000000072c18000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 skb_dequeue+0x29/0x140 net/core/skbuff.c:3285
 ieee80211_iface_work+0x9d7/0xcc0 net/mac80211/iface.c:1517
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>