linux/drivers/usb/misc/usbtest.c

3079 lines
78 KiB

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usb: usbtest: fix unlink write error with pattern 1 TEST 12 and TEST 24 unlinks the URB write request for N times. When host and gadget both initialize pattern 1 (mod 63) data series to transfer, the gadget side will complain the wrong data which is not expected. Because in host side, usbtest doesn't fill the data buffer as mod 63 and this patch fixed it. [20285.488974] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.489181] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Not Active [20285.489423] dwc3 dwc3.0.auto: ep1out-bulk: req ffff8800aa6cb480 dma aeb50800 length 512 last [20285.489727] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Start Transfer' params 00000000 a9eaf000 00000000 [20285.490055] dwc3 dwc3.0.auto: Command Complete --> 0 [20285.490281] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.490492] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Active [20285.490713] dwc3 dwc3.0.auto: ep1out-bulk: endpoint busy [20285.490909] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Complete [20285.491117] dwc3 dwc3.0.auto: request ffff8800aa6cb480 from ep1out-bulk completed 512/512 ===> 0 [20285.491431] zero gadget: bad OUT byte, buf[1] = 0 [20285.491605] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Set Stall' params 00000000 00000000 00000000 [20285.491915] dwc3 dwc3.0.auto: Command Complete --> 0 [20285.492099] dwc3 dwc3.0.auto: queing request ffff8800aa6cb480 to ep1out-bulk length 512 [20285.492387] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.492595] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Not Active [20285.492830] dwc3 dwc3.0.auto: ep1out-bulk: req ffff8800aa6cb480 dma aeb51000 length 512 last [20285.493135] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Start Transfer' params 00000000 a9eaf000 00000000 [20285.493465] dwc3 dwc3.0.auto: Command Complete --> 0 Cc: <stable@vger.kernel.org> Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-26 10:55:36 +08:00
usb: usbtest: fix unlink write error with pattern 1 TEST 12 and TEST 24 unlinks the URB write request for N times. When host and gadget both initialize pattern 1 (mod 63) data series to transfer, the gadget side will complain the wrong data which is not expected. Because in host side, usbtest doesn't fill the data buffer as mod 63 and this patch fixed it. [20285.488974] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.489181] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Not Active [20285.489423] dwc3 dwc3.0.auto: ep1out-bulk: req ffff8800aa6cb480 dma aeb50800 length 512 last [20285.489727] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Start Transfer' params 00000000 a9eaf000 00000000 [20285.490055] dwc3 dwc3.0.auto: Command Complete --> 0 [20285.490281] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.490492] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Active [20285.490713] dwc3 dwc3.0.auto: ep1out-bulk: endpoint busy [20285.490909] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Complete [20285.491117] dwc3 dwc3.0.auto: request ffff8800aa6cb480 from ep1out-bulk completed 512/512 ===> 0 [20285.491431] zero gadget: bad OUT byte, buf[1] = 0 [20285.491605] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Set Stall' params 00000000 00000000 00000000 [20285.491915] dwc3 dwc3.0.auto: Command Complete --> 0 [20285.492099] dwc3 dwc3.0.auto: queing request ffff8800aa6cb480 to ep1out-bulk length 512 [20285.492387] dwc3 dwc3.0.auto: ep1out-bulk: Transfer Not Ready [20285.492595] dwc3 dwc3.0.auto: ep1out-bulk: reason Transfer Not Active [20285.492830] dwc3 dwc3.0.auto: ep1out-bulk: req ffff8800aa6cb480 dma aeb51000 length 512 last [20285.493135] dwc3 dwc3.0.auto: ep1out-bulk: cmd 'Start Transfer' params 00000000 a9eaf000 00000000 [20285.493465] dwc3 dwc3.0.auto: Command Complete --> 0 Cc: <stable@vger.kernel.org> Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB: usbtest: avoid to free coherent buffer in atomic context This patch fixes the warning below: [30753.755998] ------------[ cut here ]------------ [30753.755998] WARNING: at /home/tom/git/linux-2.6/linux-2.6-next/arch/x86/include/asm/dma-mapping.h:155 hcd_buffer_free+0xb1/0xd4 [usbcore]() [30753.755998] Hardware name: 6475EK2 [30753.755998] Modules linked in: uvcvideo ehci_hcd usbtest cdc_ether usbnet vfat fat usb_storage nfsd lockd nfs_acl auth_rpcgss exportfs mii tun videodev v4l1_compat v4l2_compat_ioctl32 fuse bridge stp llc sunrpc ipv6 cpufreq_ondemand acpi_cpufreq freq_table mperf kvm_intel kvm arc4 ecb ath5k usbhid mac80211 snd_hda_codec_conexant ch341 usbserial ath cfg80211 thinkpad_acpi snd_hda_intel pcspkr wmi hwmon yenta_socket iTCO_wdt iTCO_vendor_support i2c_i801 e1000e snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc pata_acpi uhci_hcd ohci_hcd usbcore i915 drm_kms_helper drm i2c_algo_bit i2c_core video output [last unloaded: uvcvideo] [30753.755998] Pid: 0, comm: swapper Tainted: G W 2.6.35-rc6-gkh-wl+ #49 [30753.755998] Call Trace: [30753.755998] <IRQ> [<ffffffff8104478a>] warn_slowpath_common+0x80/0x98 [30753.755998] [<ffffffff810447b7>] warn_slowpath_null+0x15/0x17 [30753.755998] [<ffffffffa00ce02d>] hcd_buffer_free+0xb1/0xd4 [usbcore] [30753.755998] [<ffffffffa00c1345>] usb_free_coherent+0x1c/0x1e [usbcore] [30753.755998] [<ffffffffa00b13e4>] simple_free_urb+0x23/0x2f [usbtest] [30753.755998] [<ffffffffa00b210b>] iso_callback+0xbb/0x10f [usbtest] [30753.755998] [<ffffffffa00c7390>] usb_hcd_giveback_urb+0x8c/0xc0 [usbcore] [30753.755998] [<ffffffffa0449b35>] ehci_urb_done+0x84/0x95 [ehci_hcd] [30753.755998] [<ffffffffa044b5a5>] ehci_work+0x41a/0x7dd [ehci_hcd] [30753.755998] [<ffffffffa044e298>] ehci_irq+0x33b/0x370 [ehci_hcd] [30753.755998] [<ffffffff8100fb05>] ? sched_clock+0x9/0xd [30753.755998] [<ffffffff8105e641>] ? sched_clock_local+0x1c/0x82 [30753.755998] [<ffffffff8105e76a>] ? sched_clock_cpu+0xc3/0xce [30753.755998] [<ffffffff81067c7e>] ? trace_hardirqs_off+0xd/0xf [30753.755998] [<ffffffff8105e7b8>] ? cpu_clock+0x43/0x5e [30753.755998] [<ffffffffa00c6999>] usb_hcd_irq+0x45/0xa1 [usbcore] [30753.755998] [<ffffffff81092e02>] handle_IRQ_event+0x20/0xa5 [30753.755998] [<ffffffff81094cea>] handle_fasteoi_irq+0x92/0xd2 [30753.755998] [<ffffffff8100c0ed>] handle_irq+0x1f/0x2a [30753.755998] [<ffffffff8100b75d>] do_IRQ+0x57/0xbe [30753.755998] [<ffffffff8136a693>] ret_from_intr+0x0/0x16 [30753.755998] <EOI> [<ffffffff81223baa>] ? acpi_idle_enter_bm+0x231/0x269 [30753.755998] [<ffffffff81223ba3>] ? acpi_idle_enter_bm+0x22a/0x269 [30753.755998] [<ffffffff812c4b6b>] cpuidle_idle_call+0x99/0xce [30753.755998] [<ffffffff81008dd5>] cpu_idle+0x61/0xaa [30753.755998] [<ffffffff8136374b>] start_secondary+0x1c2/0x1c6 [30753.755998] ---[ end trace 904cfaf7ab4cb1a2 ]--- Signed-off-by: Ming Lei <tom.leiming@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-02 22:09:01 +08:00
USB: usbtest: avoid to free coherent buffer in atomic context This patch fixes the warning below: [30753.755998] ------------[ cut here ]------------ [30753.755998] WARNING: at /home/tom/git/linux-2.6/linux-2.6-next/arch/x86/include/asm/dma-mapping.h:155 hcd_buffer_free+0xb1/0xd4 [usbcore]() [30753.755998] Hardware name: 6475EK2 [30753.755998] Modules linked in: uvcvideo ehci_hcd usbtest cdc_ether usbnet vfat fat usb_storage nfsd lockd nfs_acl auth_rpcgss exportfs mii tun videodev v4l1_compat v4l2_compat_ioctl32 fuse bridge stp llc sunrpc ipv6 cpufreq_ondemand acpi_cpufreq freq_table mperf kvm_intel kvm arc4 ecb ath5k usbhid mac80211 snd_hda_codec_conexant ch341 usbserial ath cfg80211 thinkpad_acpi snd_hda_intel pcspkr wmi hwmon yenta_socket iTCO_wdt iTCO_vendor_support i2c_i801 e1000e snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc pata_acpi uhci_hcd ohci_hcd usbcore i915 drm_kms_helper drm i2c_algo_bit i2c_core video output [last unloaded: uvcvideo] [30753.755998] Pid: 0, comm: swapper Tainted: G W 2.6.35-rc6-gkh-wl+ #49 [30753.755998] Call Trace: [30753.755998] <IRQ> [<ffffffff8104478a>] warn_slowpath_common+0x80/0x98 [30753.755998] [<ffffffff810447b7>] warn_slowpath_null+0x15/0x17 [30753.755998] [<ffffffffa00ce02d>] hcd_buffer_free+0xb1/0xd4 [usbcore] [30753.755998] [<ffffffffa00c1345>] usb_free_coherent+0x1c/0x1e [usbcore] [30753.755998] [<ffffffffa00b13e4>] simple_free_urb+0x23/0x2f [usbtest] [30753.755998] [<ffffffffa00b210b>] iso_callback+0xbb/0x10f [usbtest] [30753.755998] [<ffffffffa00c7390>] usb_hcd_giveback_urb+0x8c/0xc0 [usbcore] [30753.755998] [<ffffffffa0449b35>] ehci_urb_done+0x84/0x95 [ehci_hcd] [30753.755998] [<ffffffffa044b5a5>] ehci_work+0x41a/0x7dd [ehci_hcd] [30753.755998] [<ffffffffa044e298>] ehci_irq+0x33b/0x370 [ehci_hcd] [30753.755998] [<ffffffff8100fb05>] ? sched_clock+0x9/0xd [30753.755998] [<ffffffff8105e641>] ? sched_clock_local+0x1c/0x82 [30753.755998] [<ffffffff8105e76a>] ? sched_clock_cpu+0xc3/0xce [30753.755998] [<ffffffff81067c7e>] ? trace_hardirqs_off+0xd/0xf [30753.755998] [<ffffffff8105e7b8>] ? cpu_clock+0x43/0x5e [30753.755998] [<ffffffffa00c6999>] usb_hcd_irq+0x45/0xa1 [usbcore] [30753.755998] [<ffffffff81092e02>] handle_IRQ_event+0x20/0xa5 [30753.755998] [<ffffffff81094cea>] handle_fasteoi_irq+0x92/0xd2 [30753.755998] [<ffffffff8100c0ed>] handle_irq+0x1f/0x2a [30753.755998] [<ffffffff8100b75d>] do_IRQ+0x57/0xbe [30753.755998] [<ffffffff8136a693>] ret_from_intr+0x0/0x16 [30753.755998] <EOI> [<ffffffff81223baa>] ? acpi_idle_enter_bm+0x231/0x269 [30753.755998] [<ffffffff81223ba3>] ? acpi_idle_enter_bm+0x22a/0x269 [30753.755998] [<ffffffff812c4b6b>] cpuidle_idle_call+0x99/0xce [30753.755998] [<ffffffff81008dd5>] cpu_idle+0x61/0xaa [30753.755998] [<ffffffff8136374b>] start_secondary+0x1c2/0x1c6 [30753.755998] ---[ end trace 904cfaf7ab4cb1a2 ]--- Signed-off-by: Ming Lei <tom.leiming@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect BUG: memory leak unreferenced object 0xffff888055046e00 (size 256): comm "kworker/2:9", pid 2570, jiffies 4294942129 (age 1095.500s) hex dump (first 32 bytes): 00 70 04 55 80 88 ff ff 18 bb 5a 81 ff ff ff ff .p.U......Z..... f5 96 78 81 ff ff ff ff 37 de 8e 81 ff ff ff ff ..x.....7....... backtrace: [<00000000d121dccf>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000d121dccf>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000d121dccf>] slab_alloc_node mm/slub.c:2786 [inline] [<00000000d121dccf>] slab_alloc mm/slub.c:2794 [inline] [<00000000d121dccf>] kmem_cache_alloc_trace+0x15e/0x2d0 mm/slub.c:2811 [<000000005c3c3381>] kmalloc include/linux/slab.h:555 [inline] [<000000005c3c3381>] usbtest_probe+0x286/0x19d0 drivers/usb/misc/usbtest.c:2790 [<000000001cec6910>] usb_probe_interface+0x2bd/0x870 drivers/usb/core/driver.c:361 [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551 [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724 [<000000003ef66004>] __device_attach_driver+0x1b6/0x240 drivers/base/dd.c:831 [<00000000eee53e97>] bus_for_each_drv+0x14e/0x1e0 drivers/base/bus.c:431 [<00000000bb0648d0>] __device_attach+0x1f9/0x350 drivers/base/dd.c:897 [<00000000838b324a>] device_initial_probe+0x1a/0x20 drivers/base/dd.c:944 [<0000000030d501c1>] bus_probe_device+0x1e1/0x280 drivers/base/bus.c:491 [<000000005bd7adef>] device_add+0x131d/0x1c40 drivers/base/core.c:2504 [<00000000a0937814>] usb_set_configuration+0xe84/0x1ab0 drivers/usb/core/message.c:2030 [<00000000e3934741>] generic_probe+0x6a/0xe0 drivers/usb/core/generic.c:210 [<0000000098ade0f1>] usb_probe_device+0x90/0xd0 drivers/usb/core/driver.c:266 [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551 [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724 Acked-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Kyungtae Kim <kt0755@gmail.com> Signed-off-by: Zqiang <qiang.zhang@windriver.com> Link: https://lore.kernel.org/r/20200612035210.20494-1-qiang.zhang@windriver.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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