INFO: task kworker/u4:5:1031 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5 state:D stack:22480 pid:1031 tgid:1031 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4215
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:5:5448 blocked for more than 144 seconds.
Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:26896 pid:5448 tgid:5448 ppid:2 flags:0x00004000
Workqueue: events reg_todo
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
wiphy_lock include/net/cfg80211.h:6019 [inline]
reg_process_self_managed_hints+0xb9/0x1a0 net/wireless/reg.c:3208
reg_todo+0x7d2/0x8d0 net/wireless/reg.c:3221
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:10:5453 blocked for more than 144 seconds.
Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10 state:D stack:26896 pid:5453 tgid:5453 ppid:2 flags:0x00004000
Workqueue: events_power_efficient crda_timeout_work
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
crda_timeout_work+0x15/0x50 net/wireless/reg.c:540
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz.0.21:5459 blocked for more than 145 seconds.
Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.21 state:D stack:28176 pid:5459 tgid:5458 ppid:5405 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
dev_ioctl+0x706/0x1340 net/core/dev_ioctl.c:782
sock_do_ioctl+0x240/0x460 net/socket.c:1223
sock_ioctl+0x626/0x8e0 net/socket.c:1328
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c94185d19
RSP: 002b:00007f9c933fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9c94375fa0 RCX: 00007f9c94185d19
RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000003
RBP: 00007f9c94201a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9c94375fa0 R15: 00007ffcba257ba8
INFO: task syz-executor:5461 blocked for more than 146 seconds.
Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26800 pid:5461 tgid:5461 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6921
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2542
netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726
__sys_sendto+0x363/0x4c0 net/socket.c:2197
__do_sys_sendto net/socket.c:2204 [inline]
__se_sys_sendto net/socket.c:2200 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2200
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3182387bac
RSP: 002b:00007ffc81cfd9b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f31830a4620 RCX: 00007f3182387bac
RDX: 0000000000000028 RSI: 00007f31830a4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc81cfda04 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f31830a4670 R15: 0000000000000000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244