INFO: task kworker/u8:5:729 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5 state:D stack:22576 pid:729 tgid:729 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
addrconf_dad_work+0x10e/0x16a0 net/ipv6/addrconf.c:4190
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:15:9719 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:15 state:D stack:22704 pid:9719 tgid:9719 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline]
unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792
unregister_netdevice_many net/core/dev.c:11875 [inline]
unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741
unregister_netdevice include/linux/netdevice.h:3329 [inline]
_cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251
ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305
ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681
mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664
hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544
ops_exit_list net/core/net_namespace.c:172 [inline]
cleanup_net+0x812/0xd60 net/core/net_namespace.c:652
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u8:25:17783 blocked for more than 144 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:25 state:D stack:22096 pid:17783 tgid:17783 ppid:2 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
linkwatch_event+0xe/0x60 net/core/link_watch.c:285
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:22314 blocked for more than 144 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20912 pid:22314 tgid:22314 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
class_wiphy_constructor include/net/cfg80211.h:6061 [inline]
reg_process_self_managed_hints+0xb9/0x1c0 net/wireless/reg.c:3206
wiphy_register+0x1be5/0x27b0 net/wireless/core.c:1026
ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587
mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5558
hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
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: 0033:0x7f8d4378ec3c
RSP: 002b:00007ffc549618e0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f8d444d4620 RCX: 00007f8d4378ec3c
RDX: 0000000000000024 RSI: 00007f8d444d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc54961934 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f8d444d4670 R15: 0000000000000000
INFO: task syz-executor:22350 blocked for more than 145 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:25264 pid:22350 tgid:22350 ppid:22326 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
ib_get_eth_speed+0x153/0x800 drivers/infiniband/core/verbs.c:1995
siw_query_port+0x3c/0x480 drivers/infiniband/sw/siw/siw_verbs.c:179
ib_setup_port_attrs+0x299/0x2440 drivers/infiniband/core/sysfs.c:1440
add_one_compat_dev+0x51a/0x710 drivers/infiniband/core/device.c:976
rdma_dev_init_net+0x1f1/0x280 drivers/infiniband/core/device.c:1192
ops_init+0x31e/0x590 net/core/net_namespace.c:138
setup_net+0x287/0x9e0 net/core/net_namespace.c:362
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:516
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x57d/0xa70 kernel/fork.c:3330
__do_sys_unshare kernel/fork.c:3401 [inline]
__se_sys_unshare kernel/fork.c:3399 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3399
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: 0033:0x7fa48438e5a7
RSP: 002b:00007fffb6195e28 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fa4845a5f40 RCX: 00007fa48438e5a7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007fa4845a6738 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
INFO: task syz.4.4644:22374 blocked for more than 145 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.4644 state:D stack:27448 pid:22374 tgid:22372 ppid:16532 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_dumpit+0x99/0x200 net/core/rtnetlink.c:6779
netlink_dump+0x64d/0xe10 net/netlink/af_netlink.c:2318
__netlink_dump_start+0x5a2/0x790 net/netlink/af_netlink.c:2433
netlink_dump_start include/linux/netlink.h:340 [inline]
rtnetlink_dump_start net/core/rtnetlink.c:6809 [inline]
rtnetlink_rcv_msg+0xb3d/0xcf0 net/core/rtnetlink.c:6876
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
___sys_sendmsg net/socket.c:2622 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2654
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: 0033:0x7fc17d18cda9
RSP: 002b:00007fc17e0b2038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc17d3a5fa0 RCX: 00007fc17d18cda9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fc17d20e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc17d3a5fa0 R15: 00007fff2bb1d148
INFO: task syz.4.4644:22375 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.4644 state:D stack:28176 pid:22375 tgid:22372 ppid:16532 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
genl_lock net/netlink/genetlink.c:35 [inline]
genl_op_lock net/netlink/genetlink.c:60 [inline]
genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
__sys_sendto+0x363/0x4c0 net/socket.c:2182
__do_sys_sendto net/socket.c:2189 [inline]
__se_sys_sendto net/socket.c:2185 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2185
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: 0033:0x7fc17d18ec3c
RSP: 002b:00007fc17e08fec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc17e08ffc0 RCX: 00007fc17d18ec3c
RDX: 0000000000000020 RSI: 00007fc17e090010 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007fc17e08ff14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005
R13: 00007fc17e08ff68 R14: 00007fc17e090010 R15: 0000000000000000
INFO: task syz.2.4645:22379 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.4645 state:D stack:25712 pid:22379 tgid:22378 ppid:16069 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
do_ip_setsockopt+0x127d/0x3cd0 net/ipv4/ip_sockglue.c:1077
ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417
do_sock_setsockopt+0x3af/0x720 net/socket.c:2298
__sys_setsockopt net/socket.c:2323 [inline]
__do_sys_setsockopt net/socket.c:2329 [inline]
__se_sys_setsockopt net/socket.c:2326 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2326
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: 0033:0x7f1d4058cda9
RSP: 002b:00007f1d413e1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f1d407a5fa0 RCX: 00007f1d4058cda9
RDX: 0000000000000024 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f1d4060e2a0 R08: 000000000000000c R09: 0000000000000000
R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1d407a5fa0 R15: 00007ffe48c66be8
INFO: task syz.2.4645:22382 blocked for more than 147 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.4645 state:D stack:26672 pid:22382 tgid:22378 ppid:16069 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_nets_lock net/core/rtnetlink.c:335 [inline]
rtnl_setlink+0x690/0xad0 net/core/rtnetlink.c:3420
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
___sys_sendmsg net/socket.c:2622 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2654
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: 0033:0x7f1d4058cda9
RSP: 002b:00007f1d413c0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1d407a6080 RCX: 00007f1d4058cda9
RDX: 0000000004000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f1d4060e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1d407a6080 R15: 00007ffe48c66be8
INFO: task syz.3.4646:22381 blocked for more than 147 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4646 state:D stack:27312 pid:22381 tgid:22380 ppid:16354 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
__tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
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: 0033:0x7f81ac58cda9
RSP: 002b:00007f81ad4d0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f81ac7a5fa0 RCX: 00007f81ac58cda9
RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004
RBP: 00007f81ac60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f81ac7a5fa0 R15: 00007ffe82850488
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.3.4646:22383 blocked for more than 148 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4646 state:D stack:28176 pid:22383 tgid:22380 ppid:16354 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
__tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3125
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: 0033:0x7f81ac58cda9
RSP: 002b:00007f81ad4af038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f81ac7a6080 RCX: 00007f81ac58cda9
RDX: 0000000020000040 RSI: 00000000400454de RDI: 0000000000000004
RBP: 00007f81ac60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f81ac7a6080 R15: 00007ffe82850488
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.3.4646:22384 blocked for more than 148 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4646 state:D stack:27664 pid:22384 tgid:22380 ppid:16354 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129
inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001
sock_do_ioctl+0x158/0x460 net/socket.c:1194
sock_ioctl+0x626/0x8e0 net/socket.c:1313
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: 0033:0x7f81ac58cda9
RSP: 002b:00007f81ad48e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f81ac7a6160 RCX: 00007f81ac58cda9
RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007f81ac60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f81ac7a6160 R15: 00007ffe82850488
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.3.4646:22387 blocked for more than 148 seconds.
Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4646 state:D stack:27056 pid:22387 tgid:22380 ppid:16354 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x186c/0x4be0 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6852
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_dumpit+0x99/0x200 net/core/rtnetlink.c:6779
netlink_dump+0x64d/0xe10 net/netlink/af_netlink.c:2318
__netlink_dump_start+0x5a2/0x790 net/netlink/af_netlink.c:2433
netlink_dump_start include/linux/netlink.h:340 [inline]
rtnetlink_dump_start net/core/rtnetlink.c:6809 [inline]
rtnetlink_rcv_msg+0xb3d/0xcf0 net/core/rtnetlink.c:6876
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:728
____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568
___sys_sendmsg net/socket.c:2622 [inline]
__sys_sendmsg+0x269/0x350 net/socket.c:2654
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: 0033:0x7f81ac58cda9
RSP: 002b:00007f81ad46d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f81ac7a6240 RCX: 00007f81ac58cda9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 00007f81ac60e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f81ac7a6240 R15: 00007ffe82850488
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5821 Comm: syz-executor Not tainted 6.13.0-syzkaller-04117-g9e6c4e6b605c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:rw_verify_area+0xb3/0x6f0 fs/read_write.c:466
Code: e8 02 41 89 ff 48 01 dd 0f 88 a9 01 00 00 e8 14 3c 89 ff eb 05 e8 0d 3c 89 ff 45 88 e5 43 8d 74 2d 02 4c 89 ff e8 4d f8 61 02 <89> c3 31 ff 89 c6 e8 32 40 89 ff 85 db 74 0a e8 e9 3b 89 ff e9 5d
RSP: 0018:ffffc9000410fc80 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000400 RCX: ffff888011819e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff847838d4 R09: 1ffffffff20374c6
R10: dffffc0000000000 R11: fffffbfff20374c7 R12: 0000000000000401
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888044c2f880
FS: 000055555edbd500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dcf9925600 CR3: 0000000032db2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_read+0x156/0xb70 fs/read_write.c:556
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f73b038b77d
Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb b5 e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d c1 1d 1f 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec
RSP: 002b:00007ffe33fb7668 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055555edd4c50 RCX: 00007f73b038b77d
RDX: 0000000000000400 RSI: 000055555edfd7d2 RDI: 000000000000001f
RBP: 000055555edd4c50 R08: 000000000a842018 R09: 000055555edd6398
R10: 0000000000000000 R11: 0000000000000246 R12: 000055555edd4d68
R13: 000055555edd6370 R14: 00007ffe33fb7750 R15: 000055555edddc50