zd1211rw 5-1:0.0: phy663 zd1211rw 5-1:0.6: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 6.7.0-rc1-syzkaller #0 Not tainted -------------------------------------------- kworker/0:0/17147 is trying to acquire lock: ffff88811c745c30 (&chip->mutex){+.+.}-{3:3}, at: zd_chip_disable_rxtx+0x1f/0x50 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 but task is already holding lock: ffff88811ed5dc30 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&chip->mutex); lock(&chip->mutex); *** DEADLOCK *** May be due to missing lock nesting notation 6 locks held by kworker/0:0/17147: #0: ffff88810927fd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605 #1: ffffc9000d26fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606 #2: ffff888105bf7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888105bf7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5791 #3: ffff88811d8ef190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff88811d8ef190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #4: ffff8881390b6160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff8881390b6160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #5: ffff88811ed5dc30 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 stack backtrace: CPU: 0 PID: 17147 Comm: kworker/0:0 Not tainted 6.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 check_deadlock kernel/locking/lockdep.c:3062 [inline] validate_chain kernel/locking/lockdep.c:3855 [inline] __lock_acquire+0x2971/0x5de0 kernel/locking/lockdep.c:5136 lock_acquire kernel/locking/lockdep.c:5753 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5718 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x181/0x1340 kernel/locking/mutex.c:747 zd_chip_disable_rxtx+0x1f/0x50 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 zd_op_stop+0x64/0x1a0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:343 zd_usb_stop drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1478 [inline] pre_reset+0x18f/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1501 usb_reset_device+0x41a/0xad0 drivers/usb/core/hub.c:6231 probe+0x114/0x970 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1370 usb_probe_interface+0x307/0x930 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x117e/0x1aa0 drivers/base/core.c:3625 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2207 usb_generic_driver_probe+0xca/0x130 drivers/usb/core/generic.c:238 usb_probe_device+0xda/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x117e/0x1aa0 drivers/base/core.c:3625 usb_new_device+0xd80/0x19f0 drivers/usb/core/hub.c:2599 hub_port_connect drivers/usb/core/hub.c:5463 [inline] hub_port_connect_change drivers/usb/core/hub.c:5603 [inline] port_event drivers/usb/core/hub.c:5763 [inline] hub_event+0x2e62/0x4f40 drivers/usb/core/hub.c:5845 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 zd1211rw 5-1:0.0: error ioread32(CR_REG1): -11 usb 5-1: reset high-speed USB device number 75 using dummy_hcd usb 5-1: device firmware changed zd1211rw 5-1:0.242: couldn't reset usb device. Error number -19 usb 5-1: USB disconnect, device number 75 usb 5-1: new high-speed USB device number 76 using dummy_hcd usb 5-1: Using ep0 maxpacket: 8 usb 5-1: config 0 has an invalid interface number: 6 but max is 2 usb 5-1: config 0 contains an unexpected descriptor of type 0x2, skipping usb 5-1: config 0 has an invalid interface number: 242 but max is 2 usb 5-1: config 0 has no interface number 1 usb 5-1: config 0 has no interface number 2 usb 5-1: config 0 interface 6 altsetting 0 bulk endpoint 0xC has invalid maxpacket 1023 usb 5-1: config 0 interface 6 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 6 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 6 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 4 usb 5-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 242 altsetting 255 has a duplicate endpoint with address 0x4, skipping usb 5-1: config 0 interface 242 altsetting 255 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 242 altsetting 255 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 242 altsetting 255 has an invalid endpoint descriptor of length 2, skipping usb 5-1: config 0 interface 242 altsetting 255 has an invalid endpoint with address 0x0, skipping usb 5-1: config 0 interface 242 altsetting 255 has a duplicate endpoint with address 0xC, skipping usb 5-1: config 0 interface 242 altsetting 255 has 6 endpoint descriptors, different from the interface descriptor's value: 5 usb 5-1: config 0 interface 242 has no altsetting 0 usb 5-1: New USB device found, idVendor=07fa, idProduct=1196, bcdDevice=6f.6c usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 5-1: Product: ᐊ usb 5-1: Manufacturer: 鬓딘竳惔䨝渄諞᲎⒭鲛콐밙役廭쪛估ퟪ༝鸶뮠毝駶텉닦‚볶힀鍛ꜻ⨥슐Ȣ쟎ᛄ usb 5-1: SerialNumber: ꙉ帼櫝뾰럅嫥駵⌮᳙ᓝ묟ꙗⳇᏸﻐ㳀봫팜筺⽿蔪䂳᫆엂뤹핒谔韾鮸₱鸍뻙髖ﷸ卼꺮䜮묻憎 usb 5-1: config 0 descriptor?? usb 5-1: reset high-speed USB device number 76 using dummy_hcd usb 5-1: device descriptor read/64, error -71 ieee80211 phy664: Selected rate control algorithm 'minstrel_ht' zd1211rw 5-1:0.6: phy664 zd1211rw 5-1:0.6: error ioread32(CR_REG1): -11 usb 5-1: reset high-speed USB device number 76 using dummy_hcd ieee80211 phy665: Selected rate control algorithm 'minstrel_ht' zd1211rw 5-1:0.0: phy665 zd1211rw 5-1:0.6: error ioread32(CR_REG1): -11 zd1211rw 5-1:0.0: error ioread32(CR_REG1): -11 usb 5-1: reset high-speed USB device number 76 using dummy_hcd usb 5-1: device descriptor read/64, error -71