INFO: task kworker/0:1:10 blocked for more than 143 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:22000 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task kworker/u8:5:73 blocked for more than 144 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5 state:D stack:21624 pid:73 tgid:73 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
addrconf_dad_work+0x110/0x16a0 net/ipv6/addrconf.c:4195
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.4.23:6020 blocked for more than 144 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.23 state:D stack:25992 pid:6020 tgid:6019 ppid:5829 task_flags:0x40054c flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
tun_detach drivers/net/tun.c:633 [inline]
tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3390
__fput+0x3e9/0x9f0 fs/file_table.c:465
task_work_run+0x251/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x754/0x2520 kernel/exit.c:949
do_group_exit+0x207/0x2c0 kernel/exit.c:1098
get_signal+0x1696/0x1730 kernel/signal.c:3034
arch_do_signal_or_restart+0x98/0x840 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:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe85598cad0
RSP: 002b:00007fe8567bbb70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00007fe85598cad0
RDX: 0000000000000000 RSI: 00007fe8567bbc10 RDI: 00000000ffffff9c
RBP: 00007fe8567bbc10 R08: 0000000000000000 R09: 0072736d2f232f75
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe855bb5fa0 R15: 00007ffd3eb3e308
INFO: task syz-executor:6101 blocked for more than 145 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:23216 pid:6101 tgid:6101 ppid:1 task_flags:0x400140 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
setup_net+0x652/0x9f0 net/core/net_namespace.c:386
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:518
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x5e2/0xad0 kernel/fork.c:3392
__do_sys_unshare kernel/fork.c:3463 [inline]
__se_sys_unshare kernel/fork.c:3461 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3461
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc77618f967
RSP: 002b:00007ffe9e8e5fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fc7763b5f40 RCX: 00007fc77618f967
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007fc7763b6738 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
INFO: task syz-executor:6103 blocked for more than 146 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21240 pid:6103 tgid:6103 ppid:1 task_flags:0x40054c flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
tun_detach drivers/net/tun.c:633 [inline]
tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3390
__fput+0x3e9/0x9f0 fs/file_table.c:465
task_work_run+0x251/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x754/0x2520 kernel/exit.c:949
do_group_exit+0x207/0x2c0 kernel/exit.c:1098
get_signal+0x1696/0x1730 kernel/signal.c:3034
arch_do_signal_or_restart+0x98/0x840 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:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab25b8fffc
RSP: 002b:00007ffd0bdbbee0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 0000000000000028 RBX: 00007fab268e4620 RCX: 00007fab25b8fffc
RDX: 0000000000000028 RSI: 00007fab268e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd0bdbbf34 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fab268e4670 R15: 0000000000000000
INFO: task syz.5.41:6119 blocked for more than 146 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.41 state:D stack:26184 pid:6119 tgid:6118 ppid:6060 task_flags:0x40054c flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
tun_detach drivers/net/tun.c:633 [inline]
tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3390
__fput+0x3e9/0x9f0 fs/file_table.c:465
task_work_run+0x251/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x754/0x2520 kernel/exit.c:949
do_group_exit+0x207/0x2c0 kernel/exit.c:1098
get_signal+0x1696/0x1730 kernel/signal.c:3034
arch_do_signal_or_restart+0x98/0x840 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:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f83a818e169
RSP: 002b:00007f83a8fc60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f83a83b5fa8 RCX: 00007f83a818e169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f83a83b5fa8
RBP: 00007f83a83b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83a83b5fac
R13: 0000000000000000 R14: 00007ffc67abe220 R15: 00007ffc67abe308
INFO: task kworker/u8:12:6127 blocked for more than 147 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:12 state:D stack:24072 pid:6127 tgid:6127 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
linkwatch_event+0xe/0x60 net/core/link_watch.c:303
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz-executor:6130 blocked for more than 148 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20840 pid:6130 tgid:6130 ppid:1 task_flags:0x40054c flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
tun_detach drivers/net/tun.c:633 [inline]
tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3390
__fput+0x3e9/0x9f0 fs/file_table.c:465
task_work_run+0x251/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x754/0x2520 kernel/exit.c:949
do_group_exit+0x207/0x2c0 kernel/exit.c:1098
get_signal+0x1696/0x1730 kernel/signal.c:3034
arch_do_signal_or_restart+0x98/0x840 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:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f05ebf8fffc
RSP: 002b:00007ffedaf485c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 0000000000000024 RBX: 00007f05ecce4620 RCX: 00007f05ebf8fffc
RDX: 0000000000000024 RSI: 00007f05ecce4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffedaf48614 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f05ecce4670 R15: 0000000000000000
INFO: task syz-executor:6135 blocked for more than 148 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:22920 pid:6135 tgid:6135 ppid:1 task_flags:0x400140 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
ip_tunnel_init_net+0x2a7/0x810 net/ipv4/ip_tunnel.c:1160
vti_init_net+0x2e/0xf0 net/ipv4/ip_vti.c:517
ops_init+0x349/0x5b0 net/core/net_namespace.c:138
setup_net+0x289/0x9f0 net/core/net_namespace.c:364
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:518
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x5e2/0xad0 kernel/fork.c:3392
__do_sys_unshare kernel/fork.c:3463 [inline]
__se_sys_unshare kernel/fork.c:3461 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3461
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71c7d8f967
RSP: 002b:00007ffd6d62dc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f71c7fb5f40 RCX: 00007f71c7d8f967
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f71c7fb6738 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
INFO: task syz-executor:6142 blocked for more than 149 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21992 pid:6142 tgid:6142 ppid:1 task_flags:0x400140 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
rtnl_lock net/core/rtnetlink.c:80 [inline]
rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
__sys_sendto+0x365/0x4c0 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff07ad8fffc
RSP: 002b:00007ffe61d14be0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ff07bae4620 RCX: 00007ff07ad8fffc
RDX: 0000000000000028 RSI: 00007ff07bae4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe61d14c34 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007ff07bae4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:6151 blocked for more than 150 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:25064 pid:6151 tgid:6151 ppid:1 task_flags:0x400140 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
rtnl_lock net/core/rtnetlink.c:80 [inline]
rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
__sys_sendto+0x365/0x4c0 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0e9438fffc
RSP: 002b:00007fffb45f51b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f0e950e4620 RCX: 00007f0e9438fffc
RDX: 000000000000002c RSI: 00007f0e950e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fffb45f5204 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0e950e4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:6154 blocked for more than 151 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:25792 pid:6154 tgid:6154 ppid:1 task_flags:0x400140 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
rtnl_lock net/core/rtnetlink.c:80 [inline]
rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
rtnl_newlink+0xd68/0x1fe0 net/core/rtnetlink.c:4067
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
__sys_sendto+0x365/0x4c0 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7726f8fffc
RSP: 002b:00007ffd728aa400 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f7727ce4620 RCX: 00007f7726f8fffc
RDX: 000000000000002c RSI: 00007f7727ce4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd728aa454 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f7727ce4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:6187 blocked for more than 152 seconds.
Not tainted 6.15.0-rc1-next-20250411-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:26440 pid:6187 tgid:6187 ppid:1 task_flags:0x400140 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b9a/0x5250 kernel/sched/core.c:6769
__schedule_loop kernel/sched/core.c:6847 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6862
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6919
__mutex_lock_common kernel/locking/mutex.c:678 [inline]
__mutex_lock+0x805/0x10c0 kernel/locking/mutex.c:746
rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
inet_rtm_newaddr+0x406/0x1c40 net/ipv4/devinet.c:979
rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:727
__sys_sendto+0x365/0x4c0 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60ce98fffc
RSP: 002b:00007ffd4c37cc30 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f60cf6e4620 RCX: 00007f60ce98fffc
RDX: 0000000000000028 RSI: 00007f60cf6e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd4c37cc84 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f60cf6e4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
3 locks held by kworker/0:1/10:
#0: ffff88801b080d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff88801b080d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc900000f7c60 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc900000f7c60 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
6 locks held by kworker/u8:1/13:
#0: ffff88801bef6148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff88801bef6148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc90000127c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000127c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff900f6710 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17c/0xd60 net/core/net_namespace.c:608
#3: ffff88807d0fb0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline]
#3: ffff88807d0fb0e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff88807d0fb0e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x13d/0x450 net/devlink/core.c:506
#4: ffff88807d0fc250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff88807d0fc250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff88807d0fc250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x14f/0x450 net/devlink/core.c:506
#5: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#5: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_dev_lock+0x271/0x320 net/core/dev.c:2139
1 lock held by khungtaskd/31:
#0: ffffffff8ed3f180 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8ed3f180 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8ed3f180 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x30/0x180 kernel/locking/lockdep.c:6764
3 locks held by kworker/u8:5/73:
#0: ffff8880307cf948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff8880307cf948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc900015bfc60 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc900015bfc60 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x110/0x16a0 net/ipv6/addrconf.c:4195
2 locks held by getty/5588:
#0: ffff8880361220a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000333b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x5bb/0x1700 drivers/tty/n_tty.c:2222
3 locks held by kworker/0:4/5883:
#0: ffff88801b081d48 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff88801b081d48 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319
#1: ffffc9000457fc60 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc9000457fc60 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319
#2: ffffffff90103248 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x9b/0xfc0 net/wireless/reg.c:2483