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linux/drivers/usb/gadget/function
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Dan Vacura 96163f835e usb: gadget: uvc: fix list double add in uvcg_video_pump 
A panic can occur if the endpoint becomes disabled and the
uvcg_video_pump adds the request back to the req_free list after it has
already been queued to the endpoint. The endpoint complete will add the
request back to the req_free list. Invalidate the local request handle
once it's been queued.

<6>[  246.796704][T13726] configfs-gadget gadget: uvc: uvc_function_set_alt(1, 0)
<3>[  246.797078][   T26] list_add double add: new=ffffff878bee5c40, prev=ffffff878bee5c40, next=ffffff878b0f0a90.
<6>[  246.797213][   T26] ------------[ cut here ]------------
<2>[  246.797224][   T26] kernel BUG at lib/list_debug.c:31!
<6>[  246.807073][   T26] Call trace:
<6>[  246.807180][   T26]  uvcg_video_pump+0x364/0x38c
<6>[  246.807366][   T26]  process_one_work+0x2a4/0x544
<6>[  246.807394][   T26]  worker_thread+0x350/0x784
<6>[  246.807442][   T26]  kthread+0x2ac/0x320

Fixes: f9897ec0f6 ("usb: gadget: uvc: only pump video data if necessary")
Cc: stable@vger.kernel.org
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Vacura <w36195@motorola.com>
Link: https://lore.kernel.org/r/20220617163154.16621-1-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-21 16:27:26 +02:00
..
f_acm.c usb: gadget: f_acm: add support for USB_CDC_REQ_SEND_BREAK 2022-04-21 19:20:25 +02:00
f_ecm.c usb: fix various gadgets null ptr deref on 10gbps cabling. 2021-06-09 10:37:13 +02:00
f_eem.c usb: gadget: eem: fix echo command packet response issue 2021-06-21 11:27:22 +02:00
f_fs.c usb: gadget: f_fs: change ep->ep safe in ffs_epfile_io() 2022-06-10 14:45:38 +02:00
f_hid.c usb: gadget: f_hid: optional SETUP/SET_REPORT mode 2021-08-24 15:41:08 +02:00
f_loopback.c usb: fix various gadgets null ptr deref on 10gbps cabling. 2021-06-09 10:37:13 +02:00
f_mass_storage.c USB/Thunderbolt patches for 5.18-rc1 2022-03-26 13:08:25 -07:00
f_mass_storage.h usb: gadget: storage: Remove reference counting 2018-07-26 13:55:39 +03:00
f_midi.c usb: gadget: f_midi: allow resetting index option 2021-11-17 14:40:43 +01:00
f_ncm.c usb: gadget: f_ncm: ncm_wrap_ntb - move var definitions into if statement 2021-07-21 10:04:19 +02:00
f_obex.c usb: gadget: u_serial: make OBEX port not a console 2019-10-22 10:27:09 +03:00
f_phonet.c usb: gadget: f_phonet: Use struct_size() helper in kzalloc() 2022-01-26 14:01:28 +01:00
f_printer.c Linux 5.13-rc6 2021-06-14 09:18:07 +02:00
f_rndis.c usb: fix various gadgets null ptr deref on 10gbps cabling. 2021-06-09 10:37:13 +02:00
f_serial.c usb: gadget: f_serial: Ensure gserial disconnected during unbind 2022-01-26 13:57:59 +01:00
f_sourcesink.c usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS 2022-01-26 13:41:53 +01:00
f_subset.c usb: fix various gadgets null ptr deref on 10gbps cabling. 2021-06-09 10:37:13 +02:00
f_tcm.c scsi: target: usb: Replace enable attr with ops.enable 2021-10-04 23:27:39 -04:00
f_uac1.c usb: gadget: f_uac1: allow changing interface name via configfs 2022-01-26 14:10:40 +01:00
f_uac1_legacy.c usb: gadget: function: fix missing spinlock in f_uac1_legacy 2020-07-09 10:13:07 +03:00
f_uac2.c Linux 5.17-rc4 2022-02-14 09:04:36 +01:00
f_uvc.c USB / Thunderbolt changes for 5.19-rc1 2022-06-03 11:17:49 -07:00
f_uvc.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
g_zero.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ndis.h
rndis.c usb: gadget: rndis: prevent integer overflow in rndis_set_response() 2022-03-15 15:48:57 +01:00
rndis.h usb: gadget: rndis: add spinlock for rndis response list 2022-02-24 11:16:57 +01:00
storage_common.c block: remove i_bdev 2020-12-01 14:53:39 -07:00
storage_common.h scsi: treewide: Consolidate {get,put}_unaligned_[bl]e24() definitions 2020-03-16 22:08:34 -04:00
tcm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
u_audio.c usb: gadget: u_audio: clean up some inconsistent indenting 2022-04-21 19:03:07 +02:00
u_audio.h usb: gadget: u_audio: Add suspend call 2022-01-26 14:06:09 +01:00
u_ecm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_eem.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_ether.c usb: gadget: u_ether: fix regression in setting fixed MAC address 2022-06-10 11:12:53 +02:00
u_ether.h usb: gadget: u_ether: support configuring interface names. 2021-01-15 16:08:53 +01:00
u_ether_configfs.h USB: gadget: u_ether: Fix a configfs return code 2021-03-10 09:36:12 +01:00
u_fs.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_gether.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_hid.h usb: gadget: f_hid: optional SETUP/SET_REPORT mode 2021-08-24 15:41:08 +02:00
u_midi.h usb: gadget: function: Fix inconsistent indent 2021-05-10 11:16:10 +02:00
u_ncm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_phonet.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_printer.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_rndis.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_serial.c Merge 5.14-rc5 into tty-next 2021-08-09 08:52:46 +02:00
u_serial.h usb: gadget: u_serial.h: increase MAX_U_SERIAL_PORTS to 8 2020-06-18 10:23:22 +02:00
u_tcm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_uac1.h usb: gadget: f_uac1: allow changing interface name via configfs 2022-01-26 14:10:40 +01:00
u_uac1_legacy.c usb: gadget: function: u_uac1_legacy: Demote obvious misuse of kerneldoc to standard comment blocks 2020-07-09 17:19:58 +02:00
u_uac1_legacy.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_uac2.h usb: gadget: f_uac2: Optionally determine bInterval for HS and SS 2022-01-31 14:26:18 +01:00
u_uvc.h usb: gadget: uvc: allow changing interface name via configfs 2022-04-21 18:14:34 +02:00
uac_common.h usb: gadget: u_audio: Support multiple sampling rates 2022-01-26 14:06:08 +01:00
uvc.h USB / Thunderbolt changes for 5.19-rc1 2022-06-03 11:17:49 -07:00
uvc_configfs.c usb: gadget: uvc: track frames in format entries 2022-05-05 22:10:36 +02:00
uvc_configfs.h usb: gadget: uvc: track frames in format entries 2022-05-05 22:10:36 +02:00
uvc_queue.c Linux 5.18-rc5 2022-05-03 16:35:26 +02:00
uvc_queue.h usb: gadget: uvc: rework uvcg_queue_next_buffer to uvcg_complete_buffer 2022-04-21 18:15:33 +02:00
uvc_v4l2.c usb: gadget: uvc: allow for application to cleanly shutdown 2022-05-05 22:17:43 +02:00
uvc_v4l2.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
uvc_video.c usb: gadget: uvc: fix list double add in uvcg_video_pump 2022-06-21 16:27:26 +02:00
uvc_video.h usb: gadget: uvc: consistently use define for headerlen 2021-10-21 12:53:31 +02:00