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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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59548215b7
Due to incorrect dev->product reporting by certain devices, null
pointer dereferences occur when dev->product is empty, leading to
potential system crashes.
This issue was found on EXCELSIOR DL37-D05 device with
Loongson-LS3A6000-7A2000-DL37 motherboard.
Kernel logs:
[ 56.470885] usb 4-3: new full-speed USB device number 4 using ohci-pci
[ 56.671638] usb 4-3: string descriptor 0 read error: -22
[ 56.671644] usb 4-3: New USB device found, idVendor=056a, idProduct=0374, bcdDevice= 1.07
[ 56.671647] usb 4-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 56.678839] hid-generic 0003:056A:0374.0004: hiddev0,hidraw3: USB HID v1.10 Device [HID 056a:0374] on usb-0000:00:05.0-3/input0
[ 56.697719] CPU 2 Unable to handle kernel paging request at virtual address 0000000000000000, era == 90000000066e35c8, ra == ffff800004f98a80
[ 56.697732] Oops[#1]:
[ 56.697734] CPU: 2 PID: 2742 Comm: (udev-worker) Tainted: G OE 6.6.0-loong64-desktop #25.00.2000.015
[ 56.697737] Hardware name: Inspur CE520L2/C09901N000000000, BIOS 2.09.00 10/11/2024
[ 56.697739] pc 90000000066e35c8 ra ffff800004f98a80 tp 9000000125478000 sp 900000012547b8a0
[ 56.697741] a0 0000000000000000 a1 ffff800004818b28 a2 0000000000000000 a3 0000000000000000
[ 56.697743] a4 900000012547b8f0 a5 0000000000000000 a6 0000000000000000 a7 0000000000000000
[ 56.697745] t0 ffff800004818b2d t1 0000000000000000 t2 0000000000000003 t3 0000000000000005
[ 56.697747] t4 0000000000000000 t5 0000000000000000 t6 0000000000000000 t7 0000000000000000
[ 56.697748] t8 0000000000000000 u0 0000000000000000 s9 0000000000000000 s0 900000011aa48028
[ 56.697750] s1 0000000000000000 s2 0000000000000000 s3 ffff800004818e80 s4 ffff800004810000
[ 56.697751] s5 90000001000b98d0 s6 ffff800004811f88 s7 ffff800005470440 s8 0000000000000000
[ 56.697753] ra: ffff800004f98a80 wacom_update_name+0xe0/0x300 [wacom]
[ 56.697802] ERA: 90000000066e35c8 strstr+0x28/0x120
[ 56.697806] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)
[ 56.697816] PRMD: 0000000c (PPLV0 +PIE +PWE)
[ 56.697821] EUEN: 00000000 (-FPE -SXE -ASXE -BTE)
[ 56.697827] ECFG: 00071c1d (LIE=0,2-4,10-12 VS=7)
[ 56.697831] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0)
[ 56.697835] BADV: 0000000000000000
[ 56.697836] PRID: 0014d000 (Loongson-64bit, Loongson-3A6000)
[ 56.697838] Modules linked in: wacom(+) bnep bluetooth rfkill qrtr nls_iso8859_1 nls_cp437 snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore input_leds mousedev led_class joydev deepin_netmonitor(OE) fuse nfnetlink dmi_sysfs ip_tables x_tables overlay amdgpu amdxcp drm_exec gpu_sched drm_buddy radeon drm_suballoc_helper i2c_algo_bit drm_ttm_helper r8169 ttm drm_display_helper spi_loongson_pci xhci_pci cec xhci_pci_renesas spi_loongson_core hid_generic realtek gpio_loongson_64bit
[ 56.697887] Process (udev-worker) (pid: 2742, threadinfo=00000000aee0d8b4, task=00000000a9eff1f3)
[ 56.697890] Stack : 0000000000000000 ffff800004817e00 0000000000000000 0000251c00000000
[ 56.697896] 0000000000000000 00000011fffffffd 0000000000000000 0000000000000000
[ 56.697901] 0000000000000000 1b67a968695184b9 0000000000000000 90000001000b98d0
[ 56.697906] 90000001000bb8d0 900000011aa48028 0000000000000000 ffff800004f9d74c
[ 56.697911] 90000001000ba000 ffff800004f9ce58 0000000000000000 ffff800005470440
[ 56.697916] ffff800004811f88 90000001000b98d0 9000000100da2aa8 90000001000bb8d0
[ 56.697921] 0000000000000000 90000001000ba000 900000011aa48028 ffff800004f9d74c
[ 56.697926] ffff8000054704e8 90000001000bb8b8 90000001000ba000 0000000000000000
[ 56.697931] 90000001000bb8d0 9000000006307564 9000000005e666e0 90000001752359b8
[ 56.697936] 9000000008cbe400 900000000804d000 9000000005e666e0 0000000000000000
[ 56.697941] ...
[ 56.697944] Call Trace:
[ 56.697945] [<90000000066e35c8>] strstr+0x28/0x120
[ 56.697950] [<ffff800004f98a80>] wacom_update_name+0xe0/0x300 [wacom]
[ 56.698000] [<ffff800004f9ce58>] wacom_parse_and_register+0x338/0x900 [wacom]
[ 56.698050] [<ffff800004f9d74c>] wacom_probe+0x32c/0x420 [wacom]
[ 56.698099] [<9000000006307564>] hid_device_probe+0x144/0x260
[ 56.698103] [<9000000005e65d68>] really_probe+0x208/0x540
[ 56.698109] [<9000000005e661dc>] __driver_probe_device+0x13c/0x1e0
[ 56.698112] [<9000000005e66620>] driver_probe_device+0x40/0x100
[ 56.698116] [<9000000005e6680c>] __device_attach_driver+0x12c/0x180
[ 56.698119] [<9000000005e62bc8>] bus_for_each_drv+0x88/0x160
[ 56.698123] [<9000000005e66468>] __device_attach+0x108/0x260
[ 56.698126] [<9000000005e63918>] device_reprobe+0x78/0x100
[ 56.698129] [<9000000005e62a68>] bus_for_each_dev+0x88/0x160
[ 56.698132] [<9000000006304e54>] __hid_bus_driver_added+0x34/0x80
[ 56.698134] [<9000000005e62bc8>] bus_for_each_drv+0x88/0x160
[ 56.698137] [<9000000006304df0>] __hid_register_driver+0x70/0xa0
[ 56.698142] [<9000000004e10fe4>] do_one_initcall+0x104/0x320
[ 56.698146] [<9000000004f38150>] do_init_module+0x90/0x2c0
[ 56.698151] [<9000000004f3a3d8>] init_module_from_file+0xb8/0x120
[ 56.698155] [<9000000004f3a590>] idempotent_init_module+0x150/0x3a0
[ 56.698159] [<9000000004f3a890>] sys_finit_module+0xb0/0x140
[ 56.698163] [<900000000671e4e8>] do_syscall+0x88/0xc0
[ 56.698166] [<9000000004e12404>] handle_syscall+0xc4/0x160
[ 56.698171] Code: 0011958f 00150224 5800cd85 <2a00022c> 00150004 4000c180 0015022c 03400000 03400000
[ 56.698192] ---[ end trace 0000000000000000 ]---
Fixes:
|
||
|---|---|---|
| .. | ||
| amd-sfh-hid | ||
| bpf | ||
| i2c-hid | ||
| intel-ish-hid | ||
| surface-hid | ||
| usbhid | ||
| .kunitconfig | ||
| hid-a4tech.c | ||
| hid-accutouch.c | ||
| hid-alps.c | ||
| hid-apple.c | ||
| hid-appleir.c | ||
| hid-asus.c | ||
| hid-aureal.c | ||
| hid-axff.c | ||
| hid-belkin.c | ||
| hid-betopff.c | ||
| hid-bigbenff.c | ||
| hid-cherry.c | ||
| hid-chicony.c | ||
| hid-cmedia.c | ||
| hid-core.c | ||
| hid-corsair-void.c | ||
| hid-corsair.c | ||
| hid-cougar.c | ||
| hid-cp2112.c | ||
| hid-creative-sb0540.c | ||
| hid-cypress.c | ||
| hid-debug.c | ||
| hid-dr.c | ||
| hid-elan.c | ||
| hid-elecom.c | ||
| hid-elo.c | ||
| hid-emsff.c | ||
| hid-evision.c | ||
| hid-ezkey.c | ||
| hid-ft260.c | ||
| hid-gaff.c | ||
| hid-gembird.c | ||
| hid-generic.c | ||
| hid-gfrm.c | ||
| hid-glorious.c | ||
| hid-goodix-spi.c | ||
| hid-google-hammer.c | ||
| hid-google-stadiaff.c | ||
| hid-gt683r.c | ||
| hid-gyration.c | ||
| hid-holtek-kbd.c | ||
| hid-holtek-mouse.c | ||
| hid-holtekff.c | ||
| hid-hyperv.c | ||
| hid-icade.c | ||
| hid-ids.h | ||
| hid-input-test.c | ||
| hid-input.c | ||
| hid-ite.c | ||
| hid-jabra.c | ||
| hid-kensington.c | ||
| hid-keytouch.c | ||
| hid-kye.c | ||
| hid-kysona.c | ||
| hid-lcpower.c | ||
| hid-led.c | ||
| hid-lenovo.c | ||
| hid-letsketch.c | ||
| hid-lg2ff.c | ||
| hid-lg3ff.c | ||
| hid-lg4ff.c | ||
| hid-lg4ff.h | ||
| hid-lg-g15.c | ||
| hid-lg.c | ||
| hid-lg.h | ||
| hid-lgff.c | ||
| hid-logitech-dj.c | ||
| hid-logitech-hidpp.c | ||
| hid-macally.c | ||
| hid-magicmouse.c | ||
| hid-maltron.c | ||
| hid-mcp2200.c | ||
| hid-mcp2221.c | ||
| hid-megaworld.c | ||
| hid-mf.c | ||
| hid-microsoft.c | ||
| hid-monterey.c | ||
| hid-multitouch.c | ||
| hid-nintendo.c | ||
| hid-nti.c | ||
| hid-ntrig.c | ||
| hid-nvidia-shield.c | ||
| hid-ortek.c | ||
| hid-penmount.c | ||
| hid-petalynx.c | ||
| hid-picolcd_backlight.c | ||
| hid-picolcd_cir.c | ||
| hid-picolcd_core.c | ||
| hid-picolcd_debugfs.c | ||
| hid-picolcd_fb.c | ||
| hid-picolcd_lcd.c | ||
| hid-picolcd_leds.c | ||
| hid-picolcd.h | ||
| hid-pl.c | ||
| hid-plantronics.c | ||
| hid-playstation.c | ||
| hid-primax.c | ||
| hid-prodikeys.c | ||
| hid-pxrc.c | ||
| hid-quirks.c | ||
| hid-razer.c | ||
| hid-redragon.c | ||
| hid-retrode.c | ||
| hid-rmi.c | ||
| hid-roccat-arvo.c | ||
| hid-roccat-arvo.h | ||
| hid-roccat-common.c | ||
| hid-roccat-common.h | ||
| hid-roccat-isku.c | ||
| hid-roccat-isku.h | ||
| hid-roccat-kone.c | ||
| hid-roccat-kone.h | ||
| hid-roccat-koneplus.c | ||
| hid-roccat-koneplus.h | ||
| hid-roccat-konepure.c | ||
| hid-roccat-kovaplus.c | ||
| hid-roccat-kovaplus.h | ||
| hid-roccat-lua.c | ||
| hid-roccat-lua.h | ||
| hid-roccat-pyra.c | ||
| hid-roccat-pyra.h | ||
| hid-roccat-ryos.c | ||
| hid-roccat-savu.c | ||
| hid-roccat-savu.h | ||
| hid-roccat.c | ||
| hid-saitek.c | ||
| hid-samsung.c | ||
| hid-semitek.c | ||
| hid-sensor-custom.c | ||
| hid-sensor-hub.c | ||
| hid-sigmamicro.c | ||
| hid-sjoy.c | ||
| hid-sony.c | ||
| hid-speedlink.c | ||
| hid-steam.c | ||
| hid-steelseries.c | ||
| hid-sunplus.c | ||
| hid-thrustmaster.c | ||
| hid-tivo.c | ||
| hid-tmff.c | ||
| hid-topre.c | ||
| hid-topseed.c | ||
| hid-twinhan.c | ||
| hid-u2fzero.c | ||
| hid-uclogic-core-test.c | ||
| hid-uclogic-core.c | ||
| hid-uclogic-params-test.c | ||
| hid-uclogic-params.c | ||
| hid-uclogic-params.h | ||
| hid-uclogic-rdesc-test.c | ||
| hid-uclogic-rdesc.c | ||
| hid-uclogic-rdesc.h | ||
| hid-udraw-ps3.c | ||
| hid-viewsonic.c | ||
| hid-vivaldi-common.c | ||
| hid-vivaldi-common.h | ||
| hid-vivaldi.c | ||
| hid-vrc2.c | ||
| hid-waltop.c | ||
| hid-wiimote-core.c | ||
| hid-wiimote-debug.c | ||
| hid-wiimote-modules.c | ||
| hid-wiimote.h | ||
| hid-winwing.c | ||
| hid-xiaomi.c | ||
| hid-xinmo.c | ||
| hid-zpff.c | ||
| hid-zydacron.c | ||
| hidraw.c | ||
| Kconfig | ||
| Makefile | ||
| uhid.c | ||
| wacom_sys.c | ||
| wacom_wac.c | ||
| wacom_wac.h | ||
| wacom.h | ||