INFO: task kworker/u8:7:1079 blocked for more than 143 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7 state:D
stack:22272 pid:1079 tgid:1079 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
ieee80211_unregister_hw+0x4d/0x3a0 net/mac80211/main.c:1662
mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5625 [inline]
hwsim_exit_net+0x3ad/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6505
ops_exit_list+0xb0/0x180 net/core/net_namespace.c:173
cleanup_net+0x5b7/0xb40 net/core/net_namespace.c:626
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task dhcpcd:4889 blocked for more than 144 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:22688 pid:4889 tgid:4889 ppid:4888 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_dumpit+0x18f/0x1f0 net/core/rtnetlink.c:6505
netlink_dump+0x552/0xcc0 net/netlink/af_netlink.c:2325
__netlink_dump_start+0x6ca/0x970 net/netlink/af_netlink.c:2440
netlink_dump_start include/linux/netlink.h:339 [inline]
rtnetlink_dump_start net/core/rtnetlink.c:6535 [inline]
rtnetlink_rcv_msg+0xb44/0xea0 net/core/rtnetlink.c:6602
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:729 [inline]
__sock_sendmsg net/socket.c:744 [inline]
__sys_sendto+0x479/0x4d0 net/socket.c:2209
__do_sys_sendto net/socket.c:2221 [inline]
__se_sys_sendto net/socket.c:2217 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2217
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6d7db3fad7
RSP: 002b:00007ffda9fccc48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffda9fcdd70 RCX: 00007f6d7db3fad7
RDX: 0000000000000014 RSI: 00007ffda9fcdc90 RDI: 0000000000000018
RBP: 00007ffda9fcdd00 R08: 00007ffda9fcdc74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffda9fcdc74 R14: 00007ffda9fcdc90 R15: 0000000000000105
INFO: task kworker/u8:0:8418 blocked for more than 146 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0 state:D stack:23920 pid:8418 tgid:8418 ppid:2 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:13:8440 blocked for more than 147 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:13 state:D stack:23360 pid:8440 tgid:8440 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
addrconf_dad_work+0xcf/0x14d0 net/ipv6/addrconf.c:4196
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:15005 blocked for more than 148 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:24832 pid:15005 tgid:15005 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
unregister_nexthop_notifier+0x18/0x70 net/ipv4/nexthop.c:3913
nsim_fib_destroy+0x83/0x1b0 drivers/net/netdevsim/fib.c:1655
nsim_dev_reload_destroy+0x16e/0x4d0 drivers/net/netdevsim/dev.c:1662
nsim_drv_remove+0x52/0x1d0 drivers/net/netdevsim/dev.c:1673
device_remove+0xc8/0x170 drivers/base/dd.c:567
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296
bus_remove_device+0x22f/0x420 drivers/base/bus.c:576
device_del+0x396/0x9f0 drivers/base/core.c:3864
device_unregister+0x1d/0xc0 drivers/base/core.c:3905
nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline]
del_device_store+0x346/0x4b0 drivers/net/netdevsim/bus.c:226
bus_attr_store+0x71/0xb0 drivers/base/bus.c:172
sysfs_kf_write+0x117/0x170 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x33d/0x500 fs/kernfs/file.c:334
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0x6b5/0x1140 fs/read_write.c:683
ksys_write+0x12f/0x260 fs/read_write.c:736
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f211597cadf
RSP: 002b:00007fff3c847490 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f211597cadf
RDX: 0000000000000001 RSI: 00007fff3c8474e0 RDI: 0000000000000005
RBP: 00007f21159f13ae R08: 0000000000000000 R09: 00007fff3c8472e7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007fff3c8474e0 R14: 00007f2116664620 R15: 0000000000000003
INFO: task syz-executor:15144 blocked for more than 150 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:24752 pid:15144 tgid:15144 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
bus_attr_store+0x71/0xb0 drivers/base/bus.c:172
sysfs_kf_write+0x117/0x170 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x33d/0x500 fs/kernfs/file.c:334
new_sync_write fs/read_write.c:590 [inline]
vfs_write+0x6b5/0x1140 fs/read_write.c:683
ksys_write+0x12f/0x260 fs/read_write.c:736
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa28d97cadf
RSP: 002b:00007ffe032a6920 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa28d97cadf
RDX: 0000000000000001 RSI: 00007ffe032a6970 RDI: 0000000000000005
RBP: 00007fa28d9f13ae R08: 0000000000000000 R09: 00007ffe032a6777
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffe032a6970 R14: 00007fa28e664620 R15: 0000000000000003
INFO: task syz-executor:15148 blocked for more than 151 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26112 pid:15148 tgid:15148 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
ip_tunnel_init_net+0x218/0x790 net/ipv4/ip_tunnel.c:1159
ops_init+0x1df/0x5f0 net/core/net_namespace.c:139
setup_net+0x21f/0x860 net/core/net_namespace.c:356
copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:494
create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x45d/0xa40 kernel/fork.c:3311
__do_sys_unshare kernel/fork.c:3382 [inline]
__se_sys_unshare kernel/fork.c:3380 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3380
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fefa117f7f7
RSP: 002b:00007fff70fb9b78 EFLAGS: 00000206
ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fefa1335f40 RCX: 00007fefa117f7f7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007fefa1336a38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
INFO: task syz-executor:15151 blocked for more than 152 seconds.
Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:26112 pid:15151 tgid:15151 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0xef5/0x5750 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6767
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752