INFO: task kworker/0:10:6232 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10 state:D stack:26512 pid:6232 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4629
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.3:21481 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28080 pid:21481 ppid:5100 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
smc_net_init+0x35/0x50 net/smc/af_smc.c:3342
ops_init+0xb9/0x670 net/core/net_namespace.c:135
setup_net+0x5d1/0xc50 net/core/net_namespace.c:338
copy_net_ns+0x4e9/0x8d0 net/core/net_namespace.c:490
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30df/0x7530 kernel/fork.c:2269
kernel_clone+0xeb/0x9f0 kernel/fork.c:2681
__do_sys_clone+0xba/0x100 kernel/fork.c:2822
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7effa348c0f9
RSP: 002b:00007effa4197118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007effa35abf80 RCX: 00007effa348c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000004800c200
RBP: 00007effa34e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe06d094df R14: 00007effa4197300 R15: 0000000000022000
INFO: task syz-executor.2:21493 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27592 pid:21493 ppid:10795 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
smc_net_init+0x35/0x50 net/smc/af_smc.c:3342
ops_init+0xb9/0x670 net/core/net_namespace.c:135
setup_net+0x5d1/0xc50 net/core/net_namespace.c:338
copy_net_ns+0x4e9/0x8d0 net/core/net_namespace.c:490
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30df/0x7530 kernel/fork.c:2269
kernel_clone+0xeb/0x9f0 kernel/fork.c:2681
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2980
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0654a8c0f9
RSP: 002b:00007f065587f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f0654bac050 RCX: 00007f0654a8c0f9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f065587f050
RBP: 00007f0654ae7ae9 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f065587f050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007ffda411fcef R14: 00007f065587f300 R15: 0000000000022000
INFO: task syz-executor.4:21498 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27088 pid:21498 ppid:5107 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
smc_net_init+0x35/0x50 net/smc/af_smc.c:3342
ops_init+0xb9/0x670 net/core/net_namespace.c:135
setup_net+0x5d1/0xc50 net/core/net_namespace.c:338
copy_net_ns+0x4e9/0x8d0 net/core/net_namespace.c:490
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30df/0x7530 kernel/fork.c:2269
kernel_clone+0xeb/0x9f0 kernel/fork.c:2681
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2980
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe0a348c0f9
RSP: 002b:00007fe0a41ed038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fe0a35ac050 RCX: 00007fe0a348c0f9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007fe0a41ed050
RBP: 00007fe0a34e7ae9 R08: 0000000000000000 R09: 0000000000000058
R10: 00007fe0a41ed050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007fffafb06ddf R14: 00007fe0a41ed300 R15: 0000000000022000
INFO: task syz-executor.4:21499 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27592 pid:21499 ppid:5107 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
vlan_ioctl_handler+0xbb/0xee0 net/8021q/vlan.c:553
sock_ioctl+0x49e/0x680 net/socket.c:1253
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe0a348c0f9
RSP: 002b:00007fe0a41cc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe0a35ac120 RCX: 00007fe0a348c0f9
RDX: 0000000020000040 RSI: 0000000000008983 RDI: 000000000000000b
RBP: 00007fe0a34e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffafb06ddf R14: 00007fe0a41cc300 R15: 0000000000022000
INFO: task syz-executor.4:21500 blocked for more than 144 seconds.
Not tainted 6.2.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29560 pid:21500 ppid:5107 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5296 [inline]
__schedule+0xbdd/0x54f0 kernel/sched/core.c:6609
schedule+0xde/0x1b0 kernel/sched/core.c:6685
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6744
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
sock_ioctl+0x485/0x680 net/socket.c:1251
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe0a348c0f9
RSP: 002b:00007fe0a41ab168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe0a35ac1f0 RCX: 00007fe0a348c0f9
RDX: 0000000020000000 RSI: 0000000000008982 RDI: 000000000000000b
RBP: 00007fe0a34e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffafb06ddf R14: 00007fe0a41ab300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c78e790 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c78e490 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffffffff8c78f2e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4741:
#0: ffff88801ceab098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020182f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:3/5094:
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000358fda8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4629
3 locks held by kworker/0:10/6232:
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814a48e938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000440fda8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4629
3 locks held by kworker/u4:0/16052:
#0: ffff8880b983b5d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
#1: ffff8880b98287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2de/0x930 kernel/sched/psi.c:976
#2: ffff8880b9829618 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:999
2 locks held by syz-executor.1/21469:
2 locks held by syz-executor.3/21481:
#0: ffffffff8e0c3410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x8d0 net/core/net_namespace.c:486
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
1 lock held by syz-executor.5/21484:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
2 locks held by syz-executor.2/21493:
#0: ffffffff8e0c3410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x8d0 net/core/net_namespace.c:486
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
2 locks held by syz-executor.4/21498:
#0: ffffffff8e0c3410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x8d0 net/core/net_namespace.c:486
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:805 [inline]
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x218/0x470 net/smc/smc_pnet.c:874
2 locks held by syz-executor.4/21499:
#0: ffffffff8e0b31e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x485/0x680 net/socket.c:1251
#1: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0xbb/0xee0 net/8021q/vlan.c:553
1 lock held by syz-executor.4/21500:
#0: ffffffff8e0b31e8 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x485/0x680 net/socket.c:1251
1 lock held by syz-executor.1/21503:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.5/21526:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.2/21531:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.3/21537:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.1/21541:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.5/21546:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.2/21552:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.3/21558:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
1 lock held by syz-executor.1/21564:
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0d6e28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21469 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:__sanitizer_cov_trace_pc+0x50/0x70 kernel/kcov.c:212
Code: 0e 85 c9 74 35 8b 82 6c 15 00 00 85 c0 74 2b 8b 82 48 15 00 00 83 f8 02 75 20 48 8b 8a 50 15 00 00 8b 92 4c 15 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 01 48 89 34 c1 c3 66 66 2e 0f 1f
RSP: 0018:ffffc9000368e898 EFLAGS: 00000246
RAX: 000000000003ffff RBX: ffffea0000e72608 RCX: ffffc9000b09a000
RDX: 0000000000040000 RSI: ffffffff81afa37c RDI: ffffea0000e72600
RBP: ffffea0000e72600 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0000e72600
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000368ebd8
FS: 00007f32ce056700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00f7070d8 CR3: 000000002c514000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
folio_flags.constprop.0+0xc/0x150 include/linux/page-flags.h:315
folio_test_clear_referenced include/linux/page-flags.h:475 [inline]
folio_check_references mm/vmscan.c:1479 [inline]
shrink_folio_list+0x198f/0x3ca0 mm/vmscan.c:1807
evict_folios+0x79d/0x1970 mm/vmscan.c:5047
lru_gen_shrink_lruvec mm/vmscan.c:5232 [inline]
shrink_lruvec+0x6fa/0x35d0 mm/vmscan.c:5924
shrink_node_memcgs mm/vmscan.c:6145 [inline]
shrink_node+0x633/0x1f00 mm/vmscan.c:6176
shrink_zones mm/vmscan.c:6414 [inline]
do_try_to_free_pages+0x3c8/0x17d0 mm/vmscan.c:6476
try_to_free_mem_cgroup_pages+0x39d/0xa70 mm/vmscan.c:6791
reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2393
mem_cgroup_handle_over_high+0x190/0x520 mm/memcontrol.c:2578
try_charge_memcg+0xe0c/0x12f0 mm/memcontrol.c:2816
obj_cgroup_charge_pages mm/memcontrol.c:3099 [inline]
obj_cgroup_charge+0x2af/0x5e0 mm/memcontrol.c:3389
memcg_slab_pre_alloc_hook mm/slab.h:511 [inline]
slab_pre_alloc_hook mm/slab.h:725 [inline]
slab_alloc_node mm/slab.c:3247 [inline]
__kmem_cache_alloc_node+0xa2/0x510 mm/slab.c:3546
__do_kmalloc_node mm/slab_common.c:967 [inline]
__kmalloc_node+0x4d/0xd0 mm/slab_common.c:975
kmalloc_node include/linux/slab.h:610 [inline]
kvmalloc_node+0xa2/0x1a0 mm/util.c:581
kvmalloc include/linux/slab.h:737 [inline]
kvzalloc include/linux/slab.h:745 [inline]
alloc_netdev_mqs+0x9c/0x1180 net/core/dev.c:10578
__ip_tunnel_create+0x201/0x570 net/ipv4/ip_tunnel.c:254
ip_tunnel_init_net+0x2ec/0x9f0 net/ipv4/ip_tunnel.c:1073
vti_init_net+0x2e/0x370 net/ipv4/ip_vti.c:504
ops_init+0xb9/0x670 net/core/net_namespace.c:135
setup_net+0x5d1/0xc50 net/core/net_namespace.c:338
copy_net_ns+0x4e9/0x8d0 net/core/net_namespace.c:490
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30df/0x7530 kernel/fork.c:2269
kernel_clone+0xeb/0x9f0 kernel/fork.c:2681
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2980
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f32cd28c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f32ce056038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f32cd3ac120 RCX: 00007f32cd28c0f9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f32ce056050
RBP: 00007f32cd2e7ae9 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f32ce056050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007ffdd7692a6f R14: 00007f32ce056300 R15: 0000000000022000