wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) INFO: task kworker/1:2:4384 blocked for more than 140 seconds. Not tainted 4.19.204-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:2 D26504 4384 2 0x90000000 Workqueue: events_power_efficient hub_init_func3 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:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 device_lock include/linux/device.h:1173 [inline] hub_activate+0xe7a/0x1a40 drivers/usb/core/hub.c:1008 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 kworker/1:3:9152 blocked for more than 140 seconds. Not tainted 4.19.204-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:3 D26584 9152 2 0x90000000 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.4:26289 blocked for more than 140 seconds. Not tainted 4.19.204-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28648 26289 8133 0x10000004 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:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 device_lock include/linux/device.h:1173 [inline] usbdev_release+0x83/0x410 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: 0033:0x4193fb Code: Bad RIP value. RSP: 002b:00007fff5c1c8ec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193fb RDX: 00000000005724a8 RSI: 0000000000000081 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000005724a8 R13: 00007fff5c1c8fe0 R14: 000000000056bf80 R15: 00000000000865e5 INFO: task syz-executor.4:26295 blocked for more than 140 seconds. Not tainted 4.19.204-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D25552 26295 8133 0x10000004 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:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 device_lock include/linux/device.h:1173 [inline] usbdev_do_ioctl+0x193/0x3030 drivers/usb/core/devio.c:2393 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: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007fed849d2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000020000380 RSI: 000000008108551b RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff5c1c8e5f R14: 00007fed849d2300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000008f5a58a6 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by kworker/1:2/4384: #0: 00000000bac9bb77 ((wq_completion)"events_power_efficient"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000075c763a3 ((work_completion)(&(&hub->init_work)->work)#2){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000005f340185 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 000000005f340185 (&dev->mutex){....}, at: hub_activate+0xe7a/0x1a40 drivers/usb/core/hub.c:1008 1 lock held by in:imklog/7798: #0: 0000000085b74e04 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 5 locks held by kworker/1:3/9152: #0: 000000002568c558 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000a466bfda ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000005f340185 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 000000005f340185 (&dev->mutex){....}, at: hub_event+0x11e/0x44a0 drivers/usb/core/hub.c:5387 #3: 00000000fb89f53e (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2983 [inline] #3: 00000000fb89f53e (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5069 [inline] #3: 00000000fb89f53e (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5253 [inline] #3: 00000000fb89f53e (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5361 [inline] #3: 00000000fb89f53e (&port_dev->status_lock){+.+.}, at: hub_event+0x1cb8/0x44a0 drivers/usb/core/hub.c:5441 #4: 00000000030f6681 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x3120 drivers/usb/core/hub.c:4578 1 lock held by syz-executor.4/26289: #0: 000000005f340185 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 000000005f340185 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/26295: #0: 000000005f340185 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 000000005f340185 (&dev->mutex){....}, at: usbdev_do_ioctl+0x193/0x3030 drivers/usb/core/devio.c:2393 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8126 Comm: syz-fuzzer Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__se_sys_madvise+0x2/0x1c10 mm/madvise.c:801 Code: 24 f8 06 00 e9 89 fe ff ff 48 89 04 24 e8 16 f8 06 00 48 8b 04 24 e9 ef fd ff ff e8 18 46 a6 ff 0f 1f 84 00 00 00 00 00 41 57 <49> 89 d7 41 56 41 55 41 54 55 48 89 f5 53 48 89 fb 48 81 ec b8 01 RSP: 0018:ffff88809673ff18 EFLAGS: 00000286 RAX: dffffc0000000000 RBX: 000000000000001c RCX: 1ffff11012ce7ff9 RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c03a800000 RBP: ffff88809673ff58 R08: 0000000000000000 R09: 0000000000000223 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000010000000 R13: ffffffff89f182d8 R14: 0000000000000000 R15: 0000000000000000 FS: 000000c030e22490(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffa2d006000 CR3: 00000000b391f000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46e137 Code: 8b 24 24 48 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 48 c7 c0 1c 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 RSP: 002b:000000c000561e08 EFLAGS: 00000206 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 000000c03aa00000 RCX: 000000000046e137 RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c03a800000 RBP: 000000c000561e48 R08: 000000c03a828000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000206 R12: 00000000000000f6 R13: 0000000000001018 R14: 000080c039400000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: e9 89 fe ff ff jmpq 0xfffffe8e 5: 48 89 04 24 mov %rax,(%rsp) 9: e8 16 f8 06 00 callq 0x6f824 e: 48 8b 04 24 mov (%rsp),%rax 12: e9 ef fd ff ff jmpq 0xfffffe06 17: e8 18 46 a6 ff callq 0xffa64634 1c: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 23: 00 24: 41 57 push %r15 * 26: 49 89 d7 mov %rdx,%r15 <-- trapping instruction 29: 41 56 push %r14 2b: 41 55 push %r13 2d: 41 54 push %r12 2f: 55 push %rbp 30: 48 89 f5 mov %rsi,%rbp 33: 53 push %rbx 34: 48 89 fb mov %rdi,%rbx 37: 48 rex.W 38: 81 .byte 0x81 39: ec in (%dx),%al 3a: b8 .byte 0xb8 3b: 01 .byte 0x1