INFO: task dhcpcd:4727 blocked for more than 143 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:23008 pid:4727 tgid:4727 ppid:4726 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
netlink_dump+0xc1/0xca0 net/netlink/af_netlink.c:2211
netlink_recvmsg+0x9ff/0xf20 net/netlink/af_netlink.c:1990
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0xe2/0x170 net/socket.c:1068
____sys_recvmsg+0x21f/0x5c0 net/socket.c:2803
___sys_recvmsg+0x115/0x1a0 net/socket.c:2845
__sys_recvmsg+0x114/0x1e0 net/socket.c:2875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe7f87df91e
RSP: 002b:00007ffca0dab158 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007ffca0dac280 RCX: 00007fe7f87df91e
RDX: 0000000000000000 RSI: 00007ffca0dac1a0 RDI: 0000000000000017
RBP: 00007ffca0dac210 R08: 00007ffca0dac184 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffca0dac184 R14: 00007ffca0dac1a0 R15: 00007ffca0dac190
INFO: task kworker/0:3:27896 blocked for more than 143 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:25696 pid:27896 tgid:27896 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
linkwatch_event+0x51/0xc0 net/core/link_watch.c:281
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task kworker/1:2:20570 blocked for more than 143 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:28192 pid:20570 tgid:20570 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.5:20812 blocked for more than 144 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22880 pid:20812 tgid:20812 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1367
netlink_sendmsg+0x8b7/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x225/0x310 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9a7b67ea9c
RSP: 002b:00007f9a7b8cf690 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9a7c2d4620 RCX: 00007f9a7b67ea9c
RDX: 000000000000003c RSI: 00007f9a7c2d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007f9a7b8cf6e4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9a7c2d4670 R15: 0000000000000000
INFO: task syz-executor.0:20917 blocked for more than 144 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28464 pid:20917 tgid:20916 ppid:5104 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
__tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f7a3847cda9
RSP: 002b:00007f7a390ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7a385abf80 RCX: 00007f7a3847cda9
RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f7a384c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7a385abf80 R15: 00007f7a386cfa48
INFO: task syz-executor.0:20918 blocked for more than 144 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29280 pid:20918 tgid:20916 ppid:5104 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
devinet_ioctl+0x1d3/0x1f10 net/ipv4/devinet.c:1091
inet_ioctl+0x3a6/0x3f0 net/ipv4/af_inet.c:997
packet_ioctl+0xb0/0x270 net/packet/af_packet.c:4252
sock_do_ioctl+0x113/0x270 net/socket.c:1222
sock_ioctl+0x22e/0x6b0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f7a3847cda9
RSP: 002b:00007f7a377ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7a385ac050 RCX: 00007f7a3847cda9
RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007f7a384c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7a385ac050 R15: 00007f7a386cfa48
INFO: task syz-executor.0:20925 blocked for more than 145 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29536 pid:20925 tgid:20916 ppid:5104 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
__tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f7a3847cda9
RSP: 002b:00007f7a377de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7a385ac120 RCX: 00007f7a3847cda9
RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f7a384c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7a385ac120 R15: 00007f7a386cfa48
INFO: task syz-executor.1:20930 blocked for more than 145 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28176 pid:20930 tgid:20929 ppid:5111 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
__tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fbd6807cda9
RSP: 002b:00007fbd68e9f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbd681abf80 RCX: 00007fbd6807cda9
RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007fbd680c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbd681abf80 R15: 00007fbd682cfa48
INFO: task syz-executor.1:20933 blocked for more than 145 seconds.
Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29280 pid:20933 tgid:20929 ppid:5111 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
devinet_ioctl+0x1d3/0x1f10 net/ipv4/devinet.c:1091
inet_ioctl+0x3a6/0x3f0 net/ipv4/af_inet.c:997
packet_ioctl+0xb0/0x270 net/packet/af_packet.c:4252
sock_do_ioctl+0x113/0x270 net/socket.c:1222
sock_ioctl+0x22e/0x6b0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fbd6807cda9
RSP: 002b:00007fbd68e7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbd681ac050 RCX: 00007fbd6807cda9
RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007fbd680c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbd681ac050 R15: 00007fbd682cfa48
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
1 lock held by dhcpcd/4727:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xc1/0xca0 net/netlink/af_netlink.c:2211
2 locks held by getty/4815:
#0: ffff88802e2280a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
5 locks held by kworker/u4:0/21155:
#0: ffff8880146e0d38 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000360fd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb20 net/core/net_namespace.c:580
#3: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0x93/0x610 net/core/dev.c:11596
#4: ffffffff8d1b82c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6c0 kernel/rcu/tree.c:4032
3 locks held by kworker/u4:3/21159:
3 locks held by kworker/0:3/27896:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc90015c17d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:281
3 locks held by kworker/1:3/3536:
#0: ffff88802916a138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc900052ffd80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4671
3 locks held by kworker/0:1/18473:
#0: ffff88802916a138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc900036d7d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4671
3 locks held by kworker/1:2/20570:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc90004d17d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
1 lock held by syz-executor.5/20812:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.0/20917:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
1 lock held by syz-executor.0/20918:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1d3/0x1f10 net/ipv4/devinet.c:1091
1 lock held by syz-executor.0/20925:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
1 lock held by syz-executor.1/20930:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x4f8/0x4790 drivers/net/tun.c:3109
1 lock held by syz-executor.1/20933:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1d3/0x1f10 net/ipv4/devinet.c:1091
1 lock held by syz-executor.4/21083:
#0: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: ip_rt_ioctl+0xfd/0x15d0 net/ipv4/fib_frontend.c:630
2 locks held by syz-executor.0/21086:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/21092:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.5/21156:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.4/21223:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.2/22184:
#0: ffffffff8ed5daf0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16460
2 locks held by syz-executor.2/22185:
#0: ffffffff8ed5daf0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16460
2 locks held by syz-executor.0/22230:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.1/22236:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.2/22278:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.5/22299:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
2 locks held by syz-executor.4/22331:
#0: ffffffff8ecabf50 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2cc/0x660 net/core/net_namespace.c:491
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8ecc15a8 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x240 net/smc/smc_pnet.c:878
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 519 Comm: kworker/u4:18 Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__kasan_check_read+0x8/0x20 mm/kasan/shadow.c:31
Code: 90 48 83 c4 60 5b 5d 41 5c c3 48 83 c4 60 48 c7 c7 50 25 85 8c 5b 5d 41 5c e9 d4 e9 8a ff 0f 1f 40 00 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 8f f2 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 0018:ffffc9000490f5f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89e20d7d
RDX: ffff88802ee18000 RSI: 0000000000000008 RDI: ffffffff8f3aeb10
RBP: ffff88802198d868 R08: 0000000000000005 R09: 0000000000000007
R10: 0000000000000000 R11: 0000000000000004 R12: ffff888088c62420
R13: ffff888028b88000 R14: ffff88802198d868 R15: ffff888028b88150
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31823000 CR3: 0000000021768000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:504 [inline]
cpu_online include/linux/cpumask.h:1104 [inline]
trace_cfg80211_return_bss+0x4d/0x1d0 net/wireless/trace.h:3631
cfg80211_inform_single_bss_frame_data+0x974/0x12c0 net/wireless/scan.c:3041
cfg80211_inform_bss_frame_data+0x14c/0x350 net/wireless/scan.c:3068
ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226
ieee80211_rx_bss_info net/mac80211/ibss.c:1098 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1577 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1973/0x30e0 net/mac80211/ibss.c:1604
ieee80211_iface_process_skb net/mac80211/iface.c:1589 [inline]
ieee80211_iface_work+0xa67/0xda0 net/mac80211/iface.c:1643
cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:437
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242