INFO: task syz-executor.0:5156 blocked for more than 143 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D
stack:27312 pid:5156 ppid:5049 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3407
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f03db07b9da
RSP: 002b:00007ffed601b320 EFLAGS: 00000293
ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f03db07b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b2f260000 R09: 00007f03db19bf8c
R10: ffffffffffffffff R11: 0000000000000293 R12: 00007f03dac00438
R13: ffffffffffffffff R14: 00007f03dac00000 R15: 000000000001110f
INFO: task syz-executor.3:5160 blocked for more than 144 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D
stack:27664 pid:5160 ppid:5048 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3407
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f556c27b9da
RSP: 002b:00007ffd60436520 EFLAGS: 00000293
ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f556c27b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b2f160000 R09: 00007f556c39bf8c
R10: ffffffffffffffff R11: 0000000000000293 R12: 00007f556be00438
R13: ffffffffffffffff R14: 00007f556be00000 R15: 0000000000011cc3
INFO: task syz-executor.4:5161 blocked for more than 145 seconds.
Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27664 pid:5161 ppid:5067 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3407
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efdbc87b9da
RSP: 002b:00007ffdf74c7720 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efdbc87b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b2ff60000 R09: 00007efdbc99bf8c
R10: ffffffffffffffff R11: 0000000000000293 R12: 00007efdbc400438
R13: ffffffffffffffff R14: 00007efdbc400000 R15: 0000000000012079
Showing all locks held in the system:
2 locks held by kworker/0:0/8:
#0:
ffff888012c72938
(
(wq_completion)rcu_gp
){+.+.}-{0:0}
, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1:
ffffc900000d7d80
(
(work_completion)(&rew->rew_work)
){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
3 locks held by kworker/1:0/23:
#0:
ffff888012c70d38
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1:
ffffc900001d7d80
(
(work_completion)(&rdev->wiphy_work)
){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2:
ffff888029f08768
(
&rdev->wiphy.mtx
){+.+.}-{3:3}
, at: wiphy_lock include/net/cfg80211.h:5775 [inline]
, at: cfg80211_wiphy_work+0x2b/0x330 net/wireless/core.c:422
1 lock held by khungtaskd/29:
#0:
ffffffff8cbab2e0
(
rcu_read_lock
){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
8 locks held by kworker/u4:4/58:
#0: ffff888012c73d38 ((wq_completion)netns){+.+.}-{0:0}
, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90001597d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e5ed710 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb20 net/core/net_namespace.c:576
#3: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x43/0x250 net/mac80211/main.c:1476
#4: ffff888029f08768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5775 [inline]
#4: ffff888029f08768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_netdev_notifier_call+0x2c0/0x12e0 net/wireless/core.c:1499
#5:
ffff8880666ecd40
(
&wdev->mtx
){+.+.}-{3:3}
, at: wdev_lock net/wireless/core.h:231 [inline]
, at: cfg80211_leave net/wireless/core.c:1337 [inline]
, at: cfg80211_netdev_notifier_call+0x2ca/0x12e0 net/wireless/core.c:1500
#6:
ffff888029f09798
(&local->sta_mtx
){+.+.}-{3:3}
, at: __sta_info_flush+0x172/0x5c0 net/mac80211/sta_info.c:1565
#7:
ffffffff8cbb6bb8
(
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
, at: synchronize_rcu_expedited+0x404/0x7e0 kernel/rcu/tree_exp.h:992
3 locks held by kworker/1:2/774:
#0:
ffff8880259c5538
(
(wq_completion)ipv6_addrconf
){+.+.}-{0:0}
, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1:
ffffc90003acfd80
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
2 locks held by getty/4786:
#0: ffff88814b7380a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
3 locks held by kworker/0:5/5111:
#0: ffff8880259c5538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc900047bfd80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e602aa8 (
rtnl_mutex
){+.+.}-{3:3}
, at: addrconf_dad_work+0xcf/0x13e0 net/ipv6/addrconf.c:4125
6 locks held by kworker/1:8/5117:
1 lock held by syz-executor.1/5273:
#0: ffffffff8e602aa8 (
rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.5/5285:
#0:
ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.0/5289:
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.2/5292:
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.4/5295:
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.3/5298:
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e602aa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
2 locks held by dhcpcd/5313:
#0: ffff888067861410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff888067861410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x260 net/socket.c:658
#1: ffffffff8cbb6bb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#1: ffffffff8cbb6bb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x404/0x7e0 kernel/rcu/tree_exp.h:992
1 lock held by dhcpcd/5314:
#0: ffff8880604a8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1722 [inline]
#0: ffff8880604a8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf40 net/packet/af_packet.c:3208
1 lock held by dhcpcd/5317:
#0: ffff88807c66a130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1722 [inline]
#0: ffff88807c66a130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf40 net/packet/af_packet.c:3208
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 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+0x33c/0x440 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:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5113 Comm: kworker/1:5 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:ieee80211_sta_get_rates+0x40f/0x700 net/mac80211/util.c:2304
Code: 0f b6 14 08 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 30 02 00 00 0f b7 6d 04 8b 44 24 24 01 c5 e8 93 86 c3 f7 89 e8 <44> 8b 7c 24 1c 99 f7 7c 24 28 44 89 fe 89 c5 89 c7 e8 6b 81 c3 f7
RSP: 0018:ffffc900047df960 EFLAGS: 00000293
RAX: 0000000000000037 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff88801d8d5940 RSI: ffffffff89c443ad RDI: ffff88807ae65ff4
RBP: 0000000000000037 R08: 0000000000000005 R09: 000000000000001f
R10: 0000000000000000 R11: ffffffff8187cb27 R12: 0000000000000018
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e4ae094ca3 CR3: 000000000c976000 CR4: 0000000000350ee0
Call Trace:
ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1122 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline]
ieee80211_ibss_rx_queued_mgmt+0x104c/0x2ed0 net/mac80211/ibss.c:1642
ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline]
ieee80211_iface_work+0xa1f/0xd40 net/mac80211/iface.c:1658
cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:435
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 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:304