INFO: task kworker/u8:6:2510 blocked for more than 143 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6 state:D
stack:19416 pid:2510 tgid:2510 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246
netdev_run_todo+0xe1c/0x1000 net/core/dev.c:10805
default_device_exit_batch+0xa24/0xaa0 net/core/dev.c:11945
ops_exit_list net/core/net_namespace.c:178 [inline]
cleanup_net+0x89f/0xcc0 net/core/net_namespace.c:626
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:7:3107 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7 state:D stack:20312 pid:3107 tgid:3107 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4196
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:8:5829 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:8 state:D stack:20480 pid:5829 tgid:5829 ppid:2 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
linkwatch_event+0xe/0x60 net/core/link_watch.c:276
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:11985 blocked for more than 146 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:19472 pid:11985 tgid:11985 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
tun_detach drivers/net/tun.c:698 [inline]
tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
__fput+0x241/0x880 fs/file_table.c:431
task_work_run+0x251/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:939
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c8fb7fd8c
RSP: 002b:00007fff41316870 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 0000000000000040 RBX: 00007f0c90864620 RCX: 00007f0c8fb7fd8c
RDX: 0000000000000040 RSI: 00007f0c90864670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff413168c4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0c90864670 R15: 0000000000000000
INFO: task syz.5.2502:12641 blocked for more than 146 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.2502 state:D stack:24640 pid:12641 tgid:12640 ppid:11653 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4217
flush_all_backlogs net/core/dev.c:6037 [inline]
unregister_netdevice_many_notify+0x87b/0x1da0 net/core/dev.c:11380
unregister_netdevice_many net/core/dev.c:11461 [inline]
unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11335
unregister_netdevice include/linux/netdevice.h:3118 [inline]
__tun_detach+0x6b9/0x1600 drivers/net/tun.c:685
tun_detach drivers/net/tun.c:701 [inline]
tun_chr_close+0x105/0x1b0 drivers/net/tun.c:3517
__fput+0x241/0x880 fs/file_table.c:431
task_work_run+0x251/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:939
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb9877def9
RSP: 002b:00007fbb995da038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 0000000000000054 RBX: 00007fbb98935f80 RCX: 00007fbb9877def9
RDX: 0000000020000010 RSI: 0000000020001000 RDI: 0000000000000003
RBP: 00007fbb987f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbb98935f80 R15: 00007ffffb5554d8
INFO: task syz-executor:12700 blocked for more than 147 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21728 pid:12700 tgid:12700 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x223/0x270 net/socket.c:745
__sys_sendto+0x398/0x4f0 net/socket.c:2210
__do_sys_sendto net/socket.c:2222 [inline]
__se_sys_sendto net/socket.c:2218 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2218
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: 0033:0x7fcd8737fd8c
RSP: 002b:00007ffc0b6e58f0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fcd88064620 RCX: 00007fcd8737fd8c
RDX: 000000000000003c RSI: 00007fcd88064670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc0b6e5944 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fcd88064670 R15: 0000000000000000
INFO: task syz-executor:12715 blocked for more than 148 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21728 pid:12715 tgid:12715 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x223/0x270 net/socket.c:745
__sys_sendto+0x398/0x4f0 net/socket.c:2210
__do_sys_sendto net/socket.c:2222 [inline]
__se_sys_sendto net/socket.c:2218 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2218
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: 0033:0x7f94fa37fd8c
RSP: 002b:00007ffdde816de0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f94fb064620 RCX: 00007f94fa37fd8c
RDX: 0000000000000038 RSI: 00007f94fb064670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffdde816e34 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f94fb064670 R15: 0000000000000000
INFO: task syz-executor:12742 blocked for more than 149 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21728 pid:12742 tgid:12742 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x223/0x270 net/socket.c:745
__sys_sendto+0x398/0x4f0 net/socket.c:2210
__do_sys_sendto net/socket.c:2222 [inline]
__se_sys_sendto net/socket.c:2218 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2218
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: 0033:0x7f18e197fd8c
RSP: 002b:00007ffefc6de6f0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f18e2664620 RCX: 00007f18e197fd8c
RDX: 000000000000003c RSI: 00007f18e2664670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffefc6de744 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f18e2664670 R15: 0000000000000000
INFO: task syz.4.2560:12798 blocked for more than 149 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.2560 state:D stack:27392 pid:12798 tgid:12797 ppid:5241 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
ip6_mroute_setsockopt+0xa87/0x1340 net/ipv6/ip6mr.c:1726
do_ipv6_setsockopt+0x48c/0x3630 net/ipv6/ipv6_sockglue.c:415
ipv6_setsockopt+0x5d/0x170 net/ipv6/ipv6_sockglue.c:993
rawv6_setsockopt+0x327/0x740 net/ipv6/raw.c:1054
do_sock_setsockopt+0x3b1/0x720 net/socket.c:2330
__sys_setsockopt+0x1a8/0x250 net/socket.c:2353
__do_sys_setsockopt net/socket.c:2362 [inline]
__se_sys_setsockopt net/socket.c:2359 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2359
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: 0033:0x7f01e577def9
RSP: 002b:00007f01e51ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f01e5935f80 RCX: 00007f01e577def9
RDX: 00000000000000d2 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007f01e57f0b76 R08: 000000000000005c R09: 0000000000000000
R10: 0000000020000600 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f01e5935f80 R15: 00007ffed1196528
INFO: task syz.4.2560:12800 blocked for more than 150 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.2560 state:D stack:27392 pid:12800 tgid:12797 ppid:5241 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
ip6_mroute_setsockopt+0xa87/0x1340 net/ipv6/ip6mr.c:1726
do_ipv6_setsockopt+0x48c/0x3630 net/ipv6/ipv6_sockglue.c:415
ipv6_setsockopt+0x5d/0x170 net/ipv6/ipv6_sockglue.c:993
rawv6_setsockopt+0x327/0x740 net/ipv6/raw.c:1054
do_sock_setsockopt+0x3b1/0x720 net/socket.c:2330
__sys_setsockopt+0x1a8/0x250 net/socket.c:2353
__do_sys_setsockopt net/socket.c:2362 [inline]
__se_sys_setsockopt net/socket.c:2359 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2359
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: 0033:0x7f01e577def9
RSP: 002b:00007f01e51de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f01e5936058 RCX: 00007f01e577def9
RDX: 00000000000000d3 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007f01e57f0b76 R08: 000000000000005c R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f01e5936058 R15: 00007ffed1196528
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.0.2567:12819 blocked for more than 151 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2567 state:D stack:27392 pid:12819 tgid:12818 ppid:12006 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553
sock_ioctl+0x682/0x8e0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:893
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: 0033:0x7f937597def9
RSP: 002b:00007f93753ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9375b35f80 RCX: 00007f937597def9
RDX: 0000000020000700 RSI: 0000000000008983 RDI: 0000000000000003
RBP: 00007f93759f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9375b35f80 R15: 00007ffe593166e8
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.0.2567:12820 blocked for more than 151 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2567 state:D stack:27392 pid:12820 tgid:12818 ppid:12006 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
sock_ioctl+0x661/0x8e0 net/socket.c:1309
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:893
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: 0033:0x7f937597def9
RSP: 002b:00007f93753de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9375b36058 RCX: 00007f937597def9
RDX: 00000000200003c0 RSI: 0000000000008982 RDI: 0000000000000003
RBP: 00007f93759f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9375b36058 R15: 00007ffe593166e8
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.1.2569:12832 blocked for more than 152 seconds.
Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2569 state:D stack:27392 pid:12832 tgid:12831 ppid:9297 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6674
__schedule_loop kernel/sched/core.c:6751 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6766
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6823
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
dev_ioctl+0x86e/0x1340 net/core/dev_ioctl.c:807
sock_ioctl+0x7ef/0x8e0 net/socket.c:1274
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:893
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: 0033:0x7f11bb57def9
RSP: 002b:00007f11bc388038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f11bb735f80 RCX: 00007f11bb57def9
RDX: 0000000020000900 RSI: 00000000000089f1 RDI: 0000000000000004
RBP: 00007f11bb5f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f11bb735f80 R15: 00007ffebbe545c8
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
3 locks held by kworker/1:0/25:
#0: ffff88801ac78948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac78948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900001f7d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900001f7d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by khungtaskd/30:
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6701
4 locks held by kworker/u8:6/2510:
#0: ffff88801bae5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801bae5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90009217d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90009217d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcbf1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580
#3: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246
3 locks held by kworker/u8:7/3107:
#0: ffff88814b886948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88814b886948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc9000a247d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000a247d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4196
2 locks held by getty/4987:
#0: ffff88802ec4e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
6 locks held by kworker/0:5/5294:
6 locks held by kworker/0:6/5304:
3 locks held by kworker/1:6/5326:
#0: ffff88801ac79948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac79948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90003e67d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90003e67d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x99/0xfd0 net/wireless/reg.c:2480
3 locks held by kworker/u8:8/5829:
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90004187d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90004187d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
1 lock held by syz.3.1947/10980:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
1 lock held by syz-executor/11985:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
2 locks held by syz.5.2502/12641:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
#1: ffffffff8e7d1dd0 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:6021 [inline]
#1: ffffffff8e7d1dd0 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x5ea/0x1da0 net/core/dev.c:11380
1 lock held by syz-executor/12700:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/12715:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/12742:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz.4.2560/12798:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: ip6_mroute_setsockopt+0xa87/0x1340 net/ipv6/ip6mr.c:1726
1 lock held by syz.4.2560/12800:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: ip6_mroute_setsockopt+0xa87/0x1340 net/ipv6/ip6mr.c:1726
2 locks held by syz.0.2567/12819:
#0: ffffffff8fcb07e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x661/0x8e0 net/socket.c:1309
#1: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553
1 lock held by syz.0.2567/12820:
#0: ffffffff8fcb07e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x661/0x8e0 net/socket.c:1309
1 lock held by syz.1.2569/12832:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x86e/0x1340 net/core/dev_ioctl.c:807
1 lock held by syz-executor/12834:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/12839:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/12842:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643
1 lock held by syz-executor/12845:
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fccbcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6643