INFO: task syz-executor.0:25219 blocked for more than 143 seconds.
Not tainted 6.7.0-rc2-syzkaller-00206-gb46ae77f6787 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26928 pid:25219 tgid:25219 ppid:5118 flags:0x20000006
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6835
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:747
device_lock include/linux/device.h:992 [inline]
usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
__fput+0x270/0xbb0 fs/file_table.c:394
__fput_sync+0x47/0x50 fs/file_table.c:475
__do_sys_close fs/open.c:1590 [inline]
__se_sys_close fs/open.c:1575 [inline]
__ia32_sys_close+0x87/0xf0 fs/open.c:1575
do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
__do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:230
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:255
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f68579
RSP: 002b:00000000f749fad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000056839400
RDX: 0000000000000000 RSI: 00000000f7353ff4 RDI: 0000000000000000
RBP: 00000000f7200000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by getty/4822:
#0: ffff8880263060a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
5 locks held by kworker/1:4/5166:
#0: ffff88823bc28f38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2605
#1: ffffc9000499fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2606
#2: ffff888020623190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff888020623190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e10 drivers/usb/core/hub.c:5791
#3: ffff888020627510 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3154 [inline]
#3: ffff888020627510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5360 [inline]
#3: ffff888020627510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5603 [inline]
#3: ffff888020627510 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5763 [inline]
#3: ffff888020627510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x27fe/0x4e10 drivers/usb/core/hub.c:5845
#4: ffff88802058d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5361 [inline]
#4: ffff88802058d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5603 [inline]
#4: ffff88802058d468 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5763 [inline]
#4: ffff88802058d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2827/0x4e10 drivers/usb/core/hub.c:5845
1 lock held by syz-executor.0/25219:
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
1 lock held by syz-executor.5/25280:
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1b5/0x900 drivers/usb/core/devio.c:1051
1 lock held by syz-executor.0/25300:
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1b5/0x900 drivers/usb/core/devio.c:1051
1 lock held by syz-executor.0/25348:
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#0: ffff888020623190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1b5/0x900 drivers/usb/core/devio.c:1051
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc2-syzkaller-00206-gb46ae77f6787 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1092 Comm: kworker/u4:6 Not tainted 6.7.0-rc2-syzkaller-00206-gb46ae77f6787 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:207
Code: fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 <65> 8b 05 84 32 7c 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74
RSP: 0018:ffffc9000492eeb8 EFLAGS: 00000287
RAX: 0000000000000000 RBX: ffffc9000492ef40 RCX: ffffffff8139f833
RDX: ffff88801f0dbb80 RSI: ffffffff89f60182 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000006 R09: ffffffff89f60182
R10: ffffffff8ac00000 R11: ffff8880b9829418 R12: ffffffff89f60182
R13: 0000000000000000 R14: ffffc9000492f000 R15: ffffc9000492ef75
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561a57d9a680 CR3: 000000000cd77000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
orc_find arch/x86/kernel/unwind_orc.c:209 [inline]
unwind_next_frame+0x205/0x2390 arch/x86/kernel/unwind_orc.c:494
arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:198 [inline]
__do_kmalloc_node mm/slab_common.c:1007 [inline]
__kmalloc+0x59/0x90 mm/slab_common.c:1020
kmalloc include/linux/slab.h:604 [inline]
kzalloc include/linux/slab.h:721 [inline]
ieee802_11_parse_elems_full+0xee/0x13a0 net/mac80211/util.c:1628
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2288 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2295 [inline]
ieee80211_inform_bss+0x120/0x1150 net/mac80211/scan.c:79
rdev_inform_bss+0xea/0x430 net/wireless/rdev-ops.h:418
cfg80211_inform_single_bss_frame_data+0x7ae/0xf30 net/wireless/scan.c:2909
cfg80211_inform_bss_frame_data+0xbf/0x290 net/wireless/scan.c:2936
ieee80211_bss_info_update+0x300/0x8f0 net/mac80211/scan.c:205
ieee80211_rx_bss_info net/mac80211/ibss.c:1098 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1577 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1973/0x3120 net/mac80211/ibss.c:1604
ieee80211_iface_process_skb net/mac80211/iface.c:1589 [inline]
ieee80211_iface_work+0xa67/0xda0 net/mac80211/iface.c:1643
cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:435
process_one_work+0x886/0x15d0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242