INFO: task syz.1.65:3894 blocked for more than 144 seconds.
      Not tainted 5.15.165-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.65        state:D stack:26304 pid: 3894 ppid:  3569 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
 rwsem_down_write_slowpath+0xf0c/0x16a0 kernel/locking/rwsem.c:1165
 inode_lock include/linux/fs.h:789 [inline]
 process_measurement+0x443/0x21c0 security/integrity/ima/ima_main.c:242
 ima_file_check+0xf3/0x180 security/integrity/ima/ima_main.c:533
 do_open fs/namei.c:3610 [inline]
 path_openat+0x2748/0x2f20 fs/namei.c:3742
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6c52ee5eb9
RSP: 002b:00007f6c51341038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6c53082058 RCX: 00007f6c52ee5eb9
RDX: 0000000000020242 RSI: 0000000020000380 RDI: ffffffffffffff9c
RBP: 00007f6c52f5393e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f6c53082058 R15: 00007ffff64c6508
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by udevd/3027:
 #0: ffff888020706918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50 block/bdev.c:817
2 locks held by getty/3320:
 #0: ffff88802994d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc9000250b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
4 locks held by kworker/u4:9/3680:
 #0: ffff8881423ca138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
 #1: ffffc900031d7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
 #2: ffff88807b5f00e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:418
 #3: ffff88807ab01108 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4d4/0x6a0 fs/f2fs/segment.c:528
3 locks held by kworker/u4:12/3816:
4 locks held by syz.1.65/3867:
2 locks held by syz.1.65/3894:
 #0: ffff88807b5f0460 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
 #1: ffff88806180cd50 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #1: ffff88806180cd50 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: process_measurement+0x443/0x21c0 security/integrity/ima/ima_main.c:242
2 locks held by syz.4.478/5694:
2 locks held by syz.0.480/5697:
 #0: ffff888020706918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
 #1: ffff8880206ff468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 drivers/block/loop.c:2070
2 locks held by syz.3.477/5710:
 #0: ffff8880207d4118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
 #1: ffff8880207b8468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 drivers/block/loop.c:2070
4 locks held by syz.2.479/5715:
1 lock held by dhcpcd-run-hook/5743:

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.165-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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: 4356 Comm: kworker/u4:14 Not tainted 5.15.165-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: phy16 ieee80211_iface_work
RIP: 0010:unwind_next_frame+0xbc8/0x1fa0
Code: 08 84 c0 48 8b 5c 24 68 48 8b 6c 24 18 0f 85 39 10 00 00 c6 03 00 ba 10 00 00 00 48 8b 5c 24 20 48 89 df 31 f6 e8 08 98 91 00 <48> ba 00 00 00 00 00 fc ff df 4c 8b 04 24 e9 72 05 00 00 48 89 5c
RSP: 0018:ffffc90002c76ee8 EFLAGS: 00000202
RAX: ffffc90002c76ff0 RBX: ffffc90002c76ff0 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90002c77000
RBP: ffffffff8ee5d04a R08: dffffc0000000000 R09: ffffc90002c76ff0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1dcba09
R13: 1ffffffff1dcba09 R14: ffffffff8ee5d046 R15: ffffc90002c76fa0
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd1a44aa1c CR3: 000000004ecfc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack+0x36/0x60 mm/kasan/common.c:38
 kasan_record_aux_stack+0xba/0x100 mm/kasan/generic.c:348
 kvfree_call_rcu+0x118/0x8a0 kernel/rcu/tree.c:3596
 cfg80211_update_known_bss+0x16b/0x9e0
 cfg80211_bss_update+0x187/0x21e0 net/wireless/scan.c:1771
 cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2492 [inline]
 cfg80211_inform_bss_frame_data+0xa13/0x20f0 net/wireless/scan.c:2525
 ieee80211_bss_info_update+0x7a6/0xc80 net/mac80211/scan.c:190
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x175e/0x2af0 net/mac80211/ibss.c:1643
 ieee80211_iface_process_skb net/mac80211/iface.c:1441 [inline]
 ieee80211_iface_work+0x78f/0xcc0 net/mac80211/iface.c:1495
 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>