INFO: task dhcpcd:3173 blocked for more than 143 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:26280 pid: 3173 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 vlan_ioctl_handler+0xb7/0xec0 net/8021q/vlan.c:554 sock_ioctl+0x1d8/0x640 net/socket.c:1203 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc8609d60e7 RSP: 002b:00007ffe78d7d898 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000056499dab9460 RCX: 00007fc8609d60e7 RDX: 00007ffe78d7d8a0 RSI: 0000000000008982 RDI: 0000000000000011 RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe78d8df10 R11: 0000000000000246 R12: 00007ffe78d7d8a0 R13: 00007ffe78d7d920 R14: 000056499dab9460 R15: 000056499db40550 INFO: task kworker/0:1:23616 blocked for more than 143 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:26264 pid:23616 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 addrconf_dad_work+0xa3/0x1340 net/ipv6/addrconf.c:4067 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task kworker/1:2:11581 blocked for more than 143 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:25832 pid:11581 ppid: 2 flags:0x00004000 Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task kworker/1:3:12205 blocked for more than 143 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:26200 pid:12205 ppid: 2 flags:0x00004000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 linkwatch_event+0xb/0x60 net/core/link_watch.c:262 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task kworker/1:5:12657 blocked for more than 144 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:25168 pid:12657 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 addrconf_dad_work+0xa3/0x1340 net/ipv6/addrconf.c:4067 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INFO: task syz-executor.1:17519 blocked for more than 144 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:23728 pid:17519 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 rtnl_lock net/core/rtnetlink.c:72 [inline] rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5987 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 __sys_sendto+0x216/0x310 net/socket.c:2040 __do_sys_sendto net/socket.c:2052 [inline] __se_sys_sendto net/socket.c:2048 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa2a0c3beac RSP: 002b:00007ffea9ced860 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fa2a1cd4320 RCX: 00007fa2a0c3beac RDX: 0000000000000020 RSI: 00007fa2a1cd4370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffea9ced8b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fa2a1cd4370 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.3:17637 blocked for more than 144 seconds. Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28032 pid:17637 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5073 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6382 schedule+0xd2/0x1f0 kernel/sched/core.c:6454 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 rtnl_lock net/core/rtnetlink.c:72 [inline] rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5987 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 __sys_sendto+0x216/0x310 net/socket.c:2040 __do_sys_sendto net/socket.c:2052 [inline] __se_sys_sendto net/socket.c:2048 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa7a643beac RSP: 002b:00007fff131f1d20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fa7a74d4320 RCX: 00007fa7a643beac RDX: 0000000000000028 RSI: 00007fa7a74d4370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff131f1d74 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fa7a74d4370 R14: 0000000000000003 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/28: #0: ffffffff8bd81ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467 2 locks held by dhcpcd/3173: #0: ffffffff8d52c628 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x1bf/0x640 net/socket.c:1201 #1: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0xb7/0xec0 net/8021q/vlan.c:554 2 locks held by getty/3271: #0: ffff88814c528098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002e732e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075 3 locks held by kworker/0:1/23616: #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9001609fda8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1340 net/ipv6/addrconf.c:4067 5 locks held by kworker/u4:0/32509: #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888010dbd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900098b7da8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d53b390 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:556 #3: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0x8e/0x590 net/core/dev.c:11231 #4: ffffffff8bd8bca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #4: ffffffff8bd8bca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:841 3 locks held by kworker/1:2/11581: #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90001c2fda8 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75 3 locks held by kworker/1:3/12205: #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000aa87da8 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:262 3 locks held by kworker/1:5/12657: #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888023c8ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90015ac7da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1340 net/ipv6/addrconf.c:4067 2 locks held by kworker/0:6/13848: #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888010c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90002eafda8 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 1 lock held by syz-executor.1/17519: #0: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5987 1 lock held by syz-executor.3/17637: #0: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8d54ee68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5987 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc1d/0xf50 kernel/hung_task.c:369 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17678 Comm: kworker/u4:4 Not tainted 5.18.0-rc1-syzkaller-00164-g00fa91bc9cc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker RIP: 0010:fadd arch/x86/crypto/curve25519-x86_64.c:77 [inline] RIP: 0010:point_add_and_double+0x20f/0x610 arch/x86/crypto/curve25519-x86_64.c:1007 Code: 4d 89 4c 24 08 4d 89 54 24 10 4d 89 5c 24 18 48 89 da 4c 89 f9 4c 89 e6 4c 89 e7 e8 4b dd ff ff 4c 89 f2 4c 8b 02 4d 03 04 24 <4c> 8b 4a 08 66 4d 0f 38 f6 4c 24 08 4c 8b 52 10 66 4d 0f 38 f6 54 RSP: 0018:ffffc9000b4075b8 EFLAGS: 00000a82 RAX: 0000000000000000 RBX: ffffc9000b407780 RCX: 0000000000000000 RDX: ffffc9000b4077e0 RSI: ffffc9000b407660 RDI: ffffc9000b4077c0 RBP: ffffc9000b407700 R08: c3bf12164aea357c R09: bd846dab23572270 R10: 3437e5c7500ab5a9 R11: 5a05e4830ac57051 R12: ffffc9000b4077c0 R13: ffffc9000b407740 R14: ffffc9000b4077e0 R15: ffffc9000b407660 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0003e5000 CR3: 000000007e7ed000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: montgomery_ladder.constprop.0+0x385/0x560 arch/x86/crypto/curve25519-x86_64.c:1098 curve25519_ever64 arch/x86/crypto/curve25519-x86_64.c:1252 [inline] curve25519_arch+0x18d/0x230 arch/x86/crypto/curve25519-x86_64.c:1599 curve25519 include/crypto/curve25519.h:39 [inline] mix_dh+0x7d/0x130 drivers/net/wireguard/noise.c:411 wg_noise_handshake_create_initiation+0x29d/0x5f0 drivers/net/wireguard/noise.c:550 wg_packet_send_handshake_initiation+0x187/0x340 drivers/net/wireguard/send.c:34 wg_packet_handshake_send_worker+0x18/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 ---------------- Code disassembly (best guess): 0: 4d 89 4c 24 08 mov %r9,0x8(%r12) 5: 4d 89 54 24 10 mov %r10,0x10(%r12) a: 4d 89 5c 24 18 mov %r11,0x18(%r12) f: 48 89 da mov %rbx,%rdx 12: 4c 89 f9 mov %r15,%rcx 15: 4c 89 e6 mov %r12,%rsi 18: 4c 89 e7 mov %r12,%rdi 1b: e8 4b dd ff ff callq 0xffffdd6b 20: 4c 89 f2 mov %r14,%rdx 23: 4c 8b 02 mov (%rdx),%r8 26: 4d 03 04 24 add (%r12),%r8 * 2a: 4c 8b 4a 08 mov 0x8(%rdx),%r9 <-- trapping instruction 2e: 66 4d 0f 38 f6 4c 24 adcx 0x8(%r12),%r9 35: 08 36: 4c 8b 52 10 mov 0x10(%rdx),%r10 3a: 66 data16 3b: 4d rex.WRB 3c: 0f .byte 0xf 3d: 38 f6 cmp %dh,%dh 3f: 54 push %rsp