INFO: task udevd:7005 blocked for more than 145 seconds. Not tainted 6.15.0-rc1-next-20250409-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:27336 pid:7005 tgid:7005 ppid:5201 task_flags:0x400140 flags:0x00000002 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 rwsem_down_write_slowpath+0xedd/0x1420 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write_nested+0x1e2/0x220 kernel/locking/rwsem.c:1694 inode_lock_nested include/linux/fs.h:901 [inline] do_unlinkat+0x26c/0x7b0 fs/namei.c:4599 __do_sys_unlink fs/namei.c:4658 [inline] __se_sys_unlink fs/namei.c:4656 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4656 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: 0033:0x7ff78bb17da7 RSP: 002b:00007ffecb821888 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00005624c9b7c120 RCX: 00007ff78bb17da7 RDX: 0000000000000000 RSI: 00005624d669d328 RDI: 00007ffecb821898 RBP: 00007ffecb821898 R08: 0000000000000000 R09: 414452bb1cdbdf18 R10: 000000000000010f R11: 0000000000000202 R12: 00005624d6663030 R13: 000000000aba9500 R14: 0000000003938700 R15: 00005624c9b7c160 Showing all locks held in the system: 1 lock held by kthreadd/2: 1 lock held by kworker/R-kvfre/6: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 3 locks held by kworker/0:0/9: 2 locks held by kworker/0:1/10: 3 locks held by kworker/u8:0/12: 3 locks held by kworker/u8:1/13: 1 lock held by kworker/R-mm_pe/14: 4 locks held by kworker/1:0/24: 1 lock held by khungtaskd/31: #0: ffffffff8ed3f200 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8ed3f200 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8ed3f200 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x30/0x180 kernel/locking/lockdep.c:6764 1 lock held by kworker/R-write/33: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 3 locks held by kworker/u8:2/36: 3 locks held by kworker/u8:3/53: 5 locks held by kworker/u9:0/55: #0: ffff88802960a948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff88802960a948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319 #1: ffffc9000100fc60 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc9000100fc60 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319 #2: ffff888024b1cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:331 #3: ffff888024b1c078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1f1/0xeb0 net/bluetooth/hci_sync.c:5597 #4: ffffffff90268ee8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline] #4: ffffffff90268ee8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x15d/0x300 net/bluetooth/hci_conn.c:1269 3 locks held by kworker/u8:4/69: 3 locks held by kworker/u8:5/356: 3 locks held by kworker/0:2/976: 3 locks held by kworker/u8:6/1158: 1 lock held by kworker/R-dm_bu/2813: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 3 locks held by kworker/u8:7/2937: 3 locks held by kworker/R-ipv6_/3171: #0: ffff888031878948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff888031878948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319 #1: ffffc9000bfe7be0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc9000bfe7be0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319 #2: ffffffff90102f08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff90102f08 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4735 4 locks held by kworker/1:2/3406: 2 locks held by syslogd/5183: 1 lock held by klogd/5190: 3 locks held by udevd/5201: 2 locks held by getty/5583: #0: ffff8880321a50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x5bb/0x1700 drivers/tty/n_tty.c:2222 2 locks held by syz-executor/5816: 2 locks held by kworker/1:3/5821: 2 locks held by udevd/5828: #0: ffff88807dc72428 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:901 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: lock_rename fs/namei.c:3234 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: do_renameat2+0x633/0x1290 fs/namei.c:5185 7 locks held by kworker/u9:4/5834: 3 locks held by syz-executor/5835: 3 locks held by udevd/5839: 2 locks held by udevd/5840: #0: ffff88807dc72428 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:901 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: do_unlinkat+0x26c/0x7b0 fs/namei.c:4599 3 locks held by syz-executor/5841: 1 lock held by kworker/R-wg-cr/5860: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/5861: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/5862: 1 lock held by kworker/R-wg-cr/5863: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 1 lock held by kworker/R-wg-cr/5864: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/5865: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/5866: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/5868: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 1 lock held by kworker/R-wg-cr/5869: 1 lock held by kworker/R-wg-cr/5870: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 1 lock held by kworker/R-wg-cr/5871: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 2 locks held by kworker/0:3/5875: 2 locks held by kworker/1:4/5876: 3 locks held by kworker/1:6/5878: 3 locks held by kworker/u8:8/5889: 4 locks held by kworker/u8:9/5890: #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: ffffc9000445fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc9000445fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319 #2: ffffffff900f63d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17c/0xd60 net/core/net_namespace.c:608 #3: ffffffff90102f08 (rtnl_mutex){+.+.}-{4:4}, at: netdev_wait_allrefs_any net/core/dev.c:11187 [inline] #3: ffffffff90102f08 (rtnl_mutex){+.+.}-{4:4}, at: netdev_run_todo+0x821/0xf30 net/core/dev.c:11299 3 locks held by kworker/0:4/5907: 3 locks held by kworker/0:5/5908: 5 locks held by kworker/0:6/5917: 4 locks held by kworker/1:7/5944: #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: ffffc90004e27c60 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc90004e27c60 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319 #2: ffffffff90102f08 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x9b/0xfc0 net/wireless/reg.c:2483 #3: ffff888064a38768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6092 [inline] #3: ffff888064a38768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline] #3: ffff888064a38768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x166/0xfc0 net/wireless/reg.c:2486 2 locks held by udevd/5973: #0: ffff88807dc72428 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:901 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: do_unlinkat+0x26c/0x7b0 fs/namei.c:4599 3 locks held by udevd/5974: 5 locks held by syz-executor/5983: 1 lock held by kworker/R-wg-cr/6127: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/6130: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/6132: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 5 locks held by syz-executor/6258: 1 lock held by kworker/R-wg-cr/6312: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 1 lock held by kworker/R-wg-cr/6313: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2736 [inline] #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0xa44/0x1020 kernel/workqueue.c:3529 2 locks held by udevd/6389: #0: ffff88807dc72428 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:901 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: lock_rename fs/namei.c:3234 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: do_renameat2+0x633/0x1290 fs/namei.c:5185 5 locks held by dhcpcd-run-hook/6986: 6 locks held by syz.0.323/7001: 3 locks held by kworker/u8:10/7002: 3 locks held by kworker/u8:11/7003: 2 locks held by udevd/7005: #0: ffff88807dc72428 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:556 #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:901 [inline] #1: ffff88807ca20fd8 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: do_unlinkat+0x26c/0x7b0 fs/namei.c:4599 3 locks held by kworker/u8:12/7007: 2 locks held by kworker/u8:13/7008: 4 locks held by kworker/u8:14/7009: #0: ffff88807daad948 ((wq_completion)wg-kex-wg1#3){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff88807daad948 ((wq_completion)wg-kex-wg1#3){+.+.}-{0:0}, at: process_scheduled_works+0x990/0x18e0 kernel/workqueue.c:3319 #1: ffffc9000246fc60 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc9000246fc60 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9cb/0x18e0 kernel/workqueue.c:3319 #2: ffff88807de8d308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x112/0xcb0 drivers/net/wireguard/noise.c:529 #3: ffff88807d1c20f0 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x121/0xcb0 drivers/net/wireguard/noise.c:530 5 locks held by kworker/u8:15/7010: 3 locks held by udevd/7011: 1 lock held by kworker/u8:16/7012: #0: ffffffff8ebe6108 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2678 3 locks held by udevd/7013: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc1-next-20250409-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x4ab/0x4e0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline] watchdog+0x1058/0x10a0 kernel/hung_task.c:437 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 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 7010 Comm: kworker/u8:15 Not tainted 6.15.0-rc1-next-20250409-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker RIP: 0010:mark_usage kernel/locking/lockdep.c:4675 [inline] RIP: 0010:__lock_acquire+0x682/0xd80 kernel/locking/lockdep.c:5189 Code: 3c 24 4c 89 f6 ba 04 00 00 00 e8 c9 2a 00 00 85 c0 0f 84 5a 03 00 00 41 8b 04 24 a9 00 00 18 00 0f 84 c2 00 00 00 48 8b 3c 24 <4c> 89 f6 ba 08 00 00 00 e8 a1 2a 00 00 45 31 ed 85 c0 0f 84 7d 04 RSP: 0018:ffffc90000006068 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 0000000000000007 RCX: 0000000000000007 RDX: 0000000000000003 RSI: 0000000000000003 RDI: ffff88807d660000 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807d660c28 R13: ffff88807d660000 R14: ffff88807d660c08 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff888124f81000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd554f7c338 CR3: 000000002968c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x116/0x2f0 kernel/locking/lockdep.c:5866 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd5/0x23b0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2389 [inline] slab_free mm/slub.c:4646 [inline] kmem_cache_free+0x197/0x410 mm/slub.c:4748 br_nf_dev_queue_xmit+0x4cb/0x2560 net/bridge/br_netfilter_hooks.c:-1 NF_HOOK+0x6bf/0x780 include/linux/netfilter.h:314 br_nf_post_routing+0xa28/0xe80 net/bridge/br_netfilter_hooks.c:969 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x2ac/0x460 include/linux/netfilter.h:312 br_forward_finish+0xd8/0x130 net/bridge/br_forward.c:66 br_nf_hook_thresh net/bridge/br_netfilter_hooks.c:-1 [inline] br_nf_forward_finish+0xb50/0xfb0 net/bridge/br_netfilter_hooks.c:665 NF_HOOK+0x6bf/0x780 include/linux/netfilter.h:314 br_nf_forward_ip+0x61e/0x7b0 net/bridge/br_netfilter_hooks.c:719 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x2ac/0x460 include/linux/netfilter.h:312 __br_forward+0x46a/0x640 net/bridge/br_forward.c:115 deliver_clone net/bridge/br_forward.c:131 [inline] maybe_deliver+0xb3/0x150 net/bridge/br_forward.c:190 br_flood+0x2e4/0x680 net/bridge/br_forward.c:237 br_handle_frame_finish+0x185b/0x1f60 net/bridge/br_input.c:220 br_nf_hook_thresh+0x482/0x5a0 net/bridge/br_netfilter_hooks.c:1170 br_nf_pre_routing_finish_ipv6+0xaa3/0xdd0 net/bridge/br_netfilter_ipv6.c:-1 NF_HOOK include/linux/netfilter.h:314 [inline] br_nf_pre_routing_ipv6+0x397/0x790 net/bridge/br_netfilter_ipv6.c:184 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_bridge_pre net/bridge/br_input.c:282 [inline] br_handle_frame+0x9fa/0x1530 net/bridge/br_input.c:433 __netif_receive_skb_core+0x155a/0x4bb0 net/core/dev.c:5773 __netif_receive_skb_one_core net/core/dev.c:5885 [inline] __netif_receive_skb+0x130/0x670 net/core/dev.c:6000 process_backlog+0x664/0x15c0 net/core/dev.c:6352 __napi_poll+0xcb/0x480 net/core/dev.c:7324 napi_poll net/core/dev.c:7388 [inline] net_rx_action+0x89d/0x1240 net/core/dev.c:7510 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:579 do_softirq+0x11f/0x1e0 kernel/softirq.c:480 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:407 local_bh_enable include/linux/bottom_half.h:33 [inline] fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline] kernel_fpu_end+0x103/0x150 arch/x86/kernel/fpu/core.c:460 blake2s_compress+0x5f/0xd0 arch/x86/crypto/blake2s-glue.c:48 blake2s_update+0x135/0x420 lib/crypto/blake2s.c:32 hmac+0x669/0x9d0 drivers/net/wireguard/noise.c:332 kdf drivers/net/wireguard/noise.c:367 [inline] message_ephemeral+0x30b/0x4e0 drivers/net/wireguard/noise.c:493 wg_noise_handshake_create_initiation+0x297/0xcb0 drivers/net/wireguard/noise.c:545 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline] wg_packet_handshake_send_worker+0x16b/0x330 drivers/net/wireguard/send.c:51 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