INFO: task syz-executor.3:5028 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller-00198-g9e87b63ed37e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24296 pid:5028 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
io_schedule+0xbe/0x130 kernel/sched/core.c:8979
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1301
__folio_lock mm/filemap.c:1664 [inline]
folio_lock include/linux/pagemap.h:955 [inline]
folio_lock include/linux/pagemap.h:951 [inline]
__filemap_get_folio+0x789/0x990 mm/filemap.c:1931
truncate_inode_pages_range+0x350/0xf10 mm/truncate.c:377
ntfs_evict_big_inode+0x39/0x520 fs/ntfs/inode.c:2251
evict+0x2ed/0x6b0 fs/inode.c:665
dispose_list+0x117/0x1e0 fs/inode.c:698
evict_inodes+0x345/0x440 fs/inode.c:748
generic_shutdown_super+0xaf/0x480 fs/super.c:479
kill_block_super+0xa1/0x100 fs/super.c:1407
deactivate_locked_super+0x98/0x160 fs/super.c:331
deactivate_super+0xb1/0xd0 fs/super.c:362
cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff26908d5d7
RSP: 002b:00007fffb34435c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff26908d5d7
RDX: 00007fffb344369b RSI: 000000000000000a RDI: 00007fffb3443690
RBP: 00007fffb3443690 R08: 00000000ffffffff R09: 00007fffb3443460
R10: 0000555555ae3893 R11: 0000000000000246 R12: 00007ff2690e6cdc
R13: 00007fffb3444750 R14: 0000555555ae3810 R15: 00007fffb3444790
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c7984b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c7981b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/27:
#0: ffffffff8c7990c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
5 locks held by kworker/1:3/1118:
#0: ffff8880b993c5d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:558
#1: ffff8880b9928848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x950 kernel/sched/psi.c:996
#2: ffff8880b99296d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:999
#3: ffffffff92028920 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x186/0x4f0 lib/debugobjects.c:708
#4: ffffffff91f8a118 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_check_no_obj_freed lib/debugobjects.c:1011 [inline]
#4: ffffffff91f8a118 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0xcb/0x420 lib/debugobjects.c:1054
2 locks held by kworker/u4:6/3557:
#0: ffff8880b983c5d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:558
#1: ffff8880b9828848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x216/0x950 kernel/sched/psi.c:984
2 locks held by getty/4754:
#0: ffff88802c56a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
1 lock held by syz-executor.3/5028:
#0: ffff8880519f20e0 (&type->s_umount_key#60){+.+.}-{3:3}, at: deactivate_super+0xa9/0xd0 fs/super.c:361
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-rc4-syzkaller-00198-g9e87b63ed37e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3557 Comm: kworker/u4:6 Not tainted 6.4.0-rc4-syzkaller-00198-g9e87b63ed37e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:lockdep_hardirqs_off+0x3e/0xd0 kernel/locking/lockdep.c:4429
Code: 05 2f f3 f3 75 a9 00 00 f0 00 55 53 48 89 fb 74 49 8b 15 55 ab cf 07 85 d2 74 0e 65 8b 05 e6 bd f2 75 85 c0 75 4e 5b 5d c3 9c <58> f6 c4 02 74 eb e8 b7 26 00 fa 85 c0 74 ed 8b 05 99 ea 6a 04 85
RSP: 0018:ffffc9000dfff3b0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8a135692 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffffff9201ad18 R08: 0000000000000001 R09: ffffffff8e7a7e57
R10: fffffbfff1cf4fca R11: dd6c604830043200 R12: 0000000000000212
R13: ffffffff9201ad10 R14: 1ffff92001bffe84 R15: ffffffff9201ad18
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f364000d598 CR3: 000000000c571000 CR4: 0000000000350ef0
Call Trace:
trace_hardirqs_off+0x10/0x120 kernel/trace/trace_preemptirq.c:87
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
_raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:162
debug_object_activate+0x186/0x4f0 lib/debugobjects.c:708
debug_rcu_head_queue kernel/rcu/rcu.h:226 [inline]
kvfree_call_rcu+0x30/0xad0 kernel/rcu/tree.c:3323
cfg80211_update_known_bss+0x81e/0xa70 net/wireless/scan.c:1685
cfg80211_bss_update+0xf3/0x21f0 net/wireless/scan.c:1732
cfg80211_inform_single_bss_frame_data+0x6da/0xfc0 net/wireless/scan.c:2482
cfg80211_inform_bss_frame_data+0xc3/0xca0 net/wireless/scan.c:2515
ieee80211_bss_info_update+0x35c/0xb50 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x19c9/0x3030 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1648
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308