IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready INFO: task kworker/1:0:19 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:0 D25272 19 2 0x80000000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 hub_port_init+0x12dc/0x3120 drivers/usb/core/hub.c:4704 hub_port_connect drivers/usb/core/hub.c:5070 [inline] hub_port_connect_change drivers/usb/core/hub.c:5253 [inline] port_event drivers/usb/core/hub.c:5361 [inline] hub_event+0x1ccd/0x44a0 drivers/usb/core/hub.c:5441 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.0:26889 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28648 26889 8148 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2992748fab Code: Bad RIP value. RSP: 002b:00007fffe6a4f0f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f2992748fab RDX: 0000000000000000 RSI: 0000001b2ef22678 RDI: 0000000000000003 RBP: 00007f29928b8980 R08: 0000000000000000 R09: 00000000ee5a3a10 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001e4d60 R13: 00007fffe6a4f1f0 R14: 00007f29928b7050 R15: 0000000000000032 INFO: task syz-executor.5:26900 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28800 26900 8116 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] reap_as+0x25a/0x3b0 drivers/usb/core/devio.c:1921 proc_reapurb_compat drivers/usb/core/devio.c:2073 [inline] usbdev_do_ioctl+0x4b0/0x3030 drivers/usb/core/devio.c:2410 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f00c27e20f9 Code: Bad RIP value. RSP: 002b:00007f00c0d54168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f00c2901f80 RCX: 00007f00c27e20f9 RDX: 0000000000000000 RSI: 000000004004550c RDI: 0000000000000003 RBP: 00007f00c283dae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce6739cff R14: 00007f00c0d54300 R15: 0000000000022000 INFO: task syz-executor.1:26903 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28056 26903 8149 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] reap_as+0x25a/0x3b0 drivers/usb/core/devio.c:1921 proc_reapurb drivers/usb/core/devio.c:1930 [inline] usbdev_do_ioctl+0x3f9/0x3030 drivers/usb/core/devio.c:2399 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd0991d30f9 Code: Bad RIP value. RSP: 002b:00007fd097745168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd0992f2f80 RCX: 00007fd0991d30f9 RDX: 0000000000000000 RSI: 000000004008550c RDI: 0000000000000003 RBP: 00007fd09922eae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0de4d90f R14: 00007fd097745300 R15: 0000000000022000 INFO: task syz-executor.2:26908 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28760 26908 8225 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 chrdev_open+0x266/0x770 fs/char_dev.c:423 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff5a238a284 Code: Bad RIP value. RSP: 002b:00007ff5a0949ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007ff5a238a284 RDX: 0000000000000001 RSI: 00007ff5a0949d40 RDI: 00000000ffffff9c RBP: 00007ff5a0949d40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffcba36e7ef R14: 00007ff5a094a300 R15: 0000000000022000 INFO: task syz-executor.3:26909 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28864 26909 8117 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 chrdev_open+0x266/0x770 fs/char_dev.c:423 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2729b41284 Code: Bad RIP value. RSP: 002b:00007f2728100ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f2729b41284 RDX: 0000000000000001 RSI: 00007f2728100d40 RDI: 00000000ffffff9c RBP: 00007f2728100d40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffdeba51fbf R14: 00007f2728101300 R15: 0000000000022000 INFO: task syz-executor.4:26928 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28760 26928 8127 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 device_lock include/linux/device.h:1174 [inline] usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 chrdev_open+0x266/0x770 fs/char_dev.c:423 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f7fe4961284 Code: Bad RIP value. RSP: 002b:00007f7fe2f20ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f7fe4961284 RDX: 0000000000000001 RSI: 00007f7fe2f20d40 RDI: 00000000ffffff9c RBP: 00007f7fe2f20d40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffe3c4026bf R14: 00007f7fe2f21300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by ksoftirqd/0/9: #0: 00000000293e690e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000293e690e (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 5 locks held by kworker/1:0/19: #0: 0000000015b62a31 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000388a03cc ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #2: 0000000010e5b97c (&dev->mutex){....}, at: hub_event+0x11e/0x44a0 drivers/usb/core/hub.c:5387 #3: 00000000b3f4e438 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2983 [inline] #3: 00000000b3f4e438 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5069 [inline] #3: 00000000b3f4e438 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5253 [inline] #3: 00000000b3f4e438 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5361 [inline] #3: 00000000b3f4e438 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cb8/0x44a0 drivers/usb/core/hub.c:5441 #4: 00000000fe684e60 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x3120 drivers/usb/core/hub.c:4578 1 lock held by khungtaskd/1570: #0: 00000000551b9628 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7742: 1 lock held by syz-executor.0/26889: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.5/26900: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: reap_as+0x25a/0x3b0 drivers/usb/core/devio.c:1921 1 lock held by syz-executor.1/26903: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: reap_as+0x25a/0x3b0 drivers/usb/core/devio.c:1921 1 lock held by syz-executor.2/26908: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.3/26909: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.4/26928: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 3 locks held by kworker/u4:2/27714: #0: 00000000293e690e (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 00000000293e690e (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 000000001c525ee1 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000082fd5197 (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 kernel/time/timer.c:950 1 lock held by syz-executor.1/28214: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.1/28215: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.3/28427: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.5/28451: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.4/28452: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.0/28486: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.0/28487: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.2/28493: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.1/28759: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.3/29879: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.5/30011: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.2/30015: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.0/30028: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.4/30061: #0: 0000000010e5b97c (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #0: 0000000010e5b97c (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4693 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:check_preemption_disabled+0x2/0x280 lib/smp_processor_id.c:12 Code: b4 45 21 fe e9 d5 f1 ff ff e8 2a 88 c0 fd 48 8b 3c 24 e8 81 44 21 fe e9 87 f7 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 41 57 <41> 56 41 55 49 89 f5 41 54 55 48 89 fd 53 e8 6b 67 eb fd 65 44 8b RSP: 0018:ffff8880a0e37a38 EFLAGS: 00000093 RAX: ffff8880a0e2c5c0 RBX: 00000000000006c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff88b3e0e0 RDI: ffffffff88b3e120 RBP: 00000000000006c0 R08: ffffed1015195c00 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 000000000002ea68 R13: ffffea0002a32b80 R14: 0000000000000010 R15: 0000000000000000 FS: 00007fe5ec0e58c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5e999e000 CR3: 00000000a10a2000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: free_unref_page_commit+0x106/0x3c0 mm/page_alloc.c:2795 free_unref_page+0xa3/0x170 mm/page_alloc.c:2816 slab_destroy mm/slab.c:1713 [inline] slabs_destroy+0x90/0xd0 mm/slab.c:1729 cache_flusharray mm/slab.c:3490 [inline] ___cache_free+0x295/0x3a0 mm/slab.c:3532 qlink_free mm/kasan/quarantine.c:147 [inline] qlist_free_all+0x79/0x140 mm/kasan/quarantine.c:166 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 prepare_creds+0x39/0x510 kernel/cred.c:255 do_faccessat+0x94/0x7a0 fs/open.c:359 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe5eb3a09c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffdd959c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffdd959f650 RCX: 00007fe5eb3a09c7 RDX: 00007fe5ebe11a00 RSI: 0000000000000000 RDI: 000055da640c49a3 RBP: 00007ffdd959c770 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffdd959f650 R15: 00007ffdd959cc60