INFO: task syz-executor.4:5184 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12377-g9d1694dc91ce #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27680 pid:5184 tgid:5184 ppid:5091 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x257/0x290 kernel/time/timer.c:2159
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:3410
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f822587bc9a
RSP: 002b:00007fff95f26730 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f822587bc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b30e60000 R09: 00007f82259abf8c
R10: 0000000000000120 R11: 0000000000000293 R12: 00007f82254003c0
R13: ffffffffffffffff R14: 00007f8225400000 R15: 0000000000012a8c
INFO: task syz-executor.3:5185 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12377-g9d1694dc91ce #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27712 pid:5185 tgid:5185 ppid:5075 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x257/0x290 kernel/time/timer.c:2159
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:3410
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4ca907bc9a
RSP: 002b:00007ffe6656d6b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4ca907bc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b30960000 R09: 00007f4ca91abf8c
R10: 0000000000000120 R11: 0000000000000293 R12: 00007f4ca8c003c0
R13: ffffffffffffffff R14: 00007f4ca8c00000 R15: 0000000000012ae5
Showing all locks held in the system:
3 locks held by kworker/0:0/8:
2 locks held by kworker/0:1/9:
#0: ffff88801308a938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1:
ffffc900000e7d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
2 locks held by kworker/1:1/27:
1 lock held by khungtaskd/29:
#0:
ffffffff8d1acba0
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by kworker/u4:5/212:
6 locks held by kworker/u4:9/2878:
#0: ffff8880146e0d38
(
(wq_completion)netns
){+.+.}-{0:0}
, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1:
ffffc9000a5a7d80
(
net_cleanup_work
){+.+.}-{0:0}
, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2:
ffffffff8eca7590
(
pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb20 net/core/net_namespace.c:580
#3: ffff8880272e20e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff8880272e20e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880272e20e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x12d/0x2a0 net/devlink/core.c:506
#4: ffff88801e51e250 (&devlink->lock_key#11){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff88801e51e250 (&devlink->lock_key#11){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff88801e51e250 (&devlink->lock_key#11){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x137/0x2a0 net/devlink/core.c:506
#5: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x39/0x1c0 drivers/net/netdevsim/netdev.c:417
3 locks held by kworker/1:2/3471:
#0: ffff8880294d2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000bbe7d80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x14b0 net/ipv6/addrconf.c:4129
1 lock held by dhcpcd/4725:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x16f/0x9c0 net/netlink/af_netlink.c:2333
2 locks held by getty/4807:
#0: ffff88802a49b0a0 (&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+0xfc6/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:4/5117:
3 locks held by kworker/0:7/5139:
3 locks held by kworker/0:8/5140:
#0:
ffff888013088d38
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1:
ffffc900046efd80
((linkwatch_work).work
){+.+.}-{0:0}
, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecbcbe8
(
rtnl_mutex
){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:281
1 lock held by syz-executor.4/5184:
#0:
ffffffff8d1b83f8
(rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
(rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:996
1 lock held by syz-executor.1/5270:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.2/5275:
#0: ffffffff8ecbcbe8 (rtnl_mutex
){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.4/5276:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.3/5286:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.5/5287:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.0/5292:
#0: ffffffff8ecbcbe8 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-12377-g9d1694dc91ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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: 5117 Comm: kworker/0:4 Not tainted 6.7.0-syzkaller-12377-g9d1694dc91ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events uhid_device_add_worker
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x2b/0x80 kernel/kcov.c:236
Code: 89 d2 49 89 f8 49 89 f1 65 48 8b 14 25 80 c2 03 00 65 8b 05 bf a6 7b 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 fc 15 00 00 <85> c0 74 4f 8b 82 d8 15 00 00 83 f8 03 75 44 48 8b 82 e0 15 00 00
RSP: 0018:ffffc900000077e0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc90000007868 RCX: ffffffff813a46ad
RDX: ffff88802a579dc0 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffffffff8579ed34
R13: 0000000000000000 R14: ffffc90000007928 R15: ffffc9000000789d
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb7b44e440 CR3: 000000001da22000 CR4: 0000000000350ef0
Call Trace:
unwind_next_frame+0x19d/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:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640
poison_slab_object mm/kasan/common.c:241 [inline]
__kasan_slab_free+0x121/0x1b0 mm/kasan/common.c:257
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2121 [inline]
slab_free mm/slub.c:4299 [inline]
kmem_cache_free+0x129/0x350 mm/slub.c:4363
kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:1051
__kfree_skb net/core/skbuff.c:1109 [inline]
consume_skb net/core/skbuff.c:1324 [inline]
consume_skb+0xdf/0x170 net/core/skbuff.c:1318
mac80211_hwsim_tx_frame+0x1f3/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim.c:2187
mac80211_hwsim_beacon_tx+0x41b/0x740 drivers/net/wireless/virtual/mac80211_hwsim.c:2279
__iterate_interfaces+0x2d2/0x580 net/mac80211/util.c:767
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:803
mac80211_hwsim_beacon+0x101/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2305
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x203/0xc20 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1769
__do_softirq+0x21a/0x8de kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1975 [inline]
RIP: 0010:vprintk_emit+0x3aa/0x5f0 kernel/printk/printk.c:2302
Code: 00 4d 85 e4 0f 85 e4 01 00 00 e8 91 d0 1c 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f cc 1c 00 48 85 ed 0f 85 f0 01 00 00 71 d0 1c 00 45 31 c9 41 b8 01 00 00 00 31 c9 48 8d 05 00 00 00
RSP: 0018:ffffc90003f7f480 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000003a RCX: ffffffff816b52ea
RDX: ffff88802a579dc0 RSI: ffffffff816b52f4 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000200
R13: ffff888019ae8000 R14: ffffffff8b589740 R15: ffffc90003f7f4e0
dev_vprintk_emit drivers/base/core.c:4850 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4861
__dev_printk+0xf5/0x270 drivers/base/core.c:4873
_dev_warn+0xe5/0x120 drivers/base/core.c:4917
hid_parser_main+0x2b2/0xc80 drivers/hid/hid-core.c:632
hid_open_report+0x3ee/0x7b0 drivers/hid/hid-core.c:1276
hid_parse include/linux/hid.h:1118 [inline]
hid_generic_probe+0x4d/0x90 drivers/hid/hid-generic.c:63
__hid_device_probe drivers/hid/hid-core.c:2633 [inline]
hid_device_probe+0x2e4/0x480 drivers/hid/hid-core.c:2670
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x234/0xc90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x117e/0x1aa0 drivers/base/core.c:3625
hid_add_device+0x37a/0xa60 drivers/hid/hid-core.c:2816
uhid_device_add_worker+0x3e/0x110 drivers/hid/uhid.c:73
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
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