AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/video/fbdev
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Zqiang 17a6e850e5 udlfb: Fix memory leak in dlfb_usb_probe 
commit 5c0e4110f751934e748a66887c61f8e73805f0f9 upstream.

The dlfb_alloc_urb_list function is called in dlfb_usb_probe function,
after that if an error occurs, the dlfb_free_urb_list function need to
be called.

BUG: memory leak
unreferenced object 0xffff88810adde100 (size 32):
  comm "kworker/1:0", pid 17, jiffies 4294947788 (age 19.520s)
  hex dump (first 32 bytes):
    10 30 c3 0d 81 88 ff ff c0 fa 63 12 81 88 ff ff  .0........c.....
    00 30 c3 0d 81 88 ff ff 80 d1 3a 08 81 88 ff ff  .0........:.....
  backtrace:
    [<0000000019512953>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000019512953>] kzalloc include/linux/slab.h:664 [inline]
    [<0000000019512953>] dlfb_alloc_urb_list drivers/video/fbdev/udlfb.c:1892 [inline]
    [<0000000019512953>] dlfb_usb_probe.cold+0x289/0x988 drivers/video/fbdev/udlfb.c:1704
    [<0000000072160152>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000a8d6726f>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<00000000e942e01c>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000463fbcb4>] __device_attach+0x122/0x250 drivers/base/dd.c:912
    [<00000000b881a711>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000364bbda5>] device_add+0x5ac/0xc30 drivers/base/core.c:2936
    [<00000000eecca418>] usb_set_configuration+0x9de/0xb90 drivers/usb/core/message.c:2159
    [<00000000edfeca2d>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000001830872b>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000a8d6726f>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<00000000e942e01c>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431

Reported-by: syzbot+c9e365d7f450e8aa615d@syzkaller.appspotmail.com
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201215063022.16746-1-qiang.zhang@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-07 12:34:04 +01:00
..
aty fbdev: aty: remove CONFIG_PM container 2020-09-18 14:45:44 +02:00
core fbcon: Disable accelerated scrolling 2021-01-06 14:56:51 +01:00
geode fbdev: lxfb: use generic power management 2020-09-08 13:33:10 +02:00
i810 video: fbdev: i810: use true,false for bool variables 2020-05-06 19:29:10 +02:00
intelfb drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
kyro video: fbdev: kyro: remove set but not used 'ulCoreClock' 2020-09-08 13:33:31 +02:00
matrox treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
mb862xx video: fbdev: mb862xx: remove set but not used variable 'mdr' 2020-04-08 12:09:15 +02:00
mmp treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nvidia Merge drm/drm-next into drm-misc-next 2020-09-14 18:11:40 +02:00
omap treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
omap2 omapfb: fix spelling mistake "propert" -> "property" 2020-09-08 13:33:05 +02:00
riva treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
savage fbdev: savagefb: use generic power management 2020-09-08 13:33:15 +02:00
sis Merge drm/drm-next into drm-misc-next 2020-09-14 18:11:40 +02:00
vermilion remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
via Merge drm/drm-next into drm-misc-next 2020-09-14 18:11:40 +02:00
68328fb.c video/fbdev/68328fb: Remove dead code 2020-01-03 14:27:43 +01:00
acornfb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
acornfb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
amba-clcd.c Partially revert "video: fbdev: amba-clcd: Retire elder CLCD driver" 2020-09-30 16:37:39 +02:00
amifb.c video: fbdev: amifb: add FIXMEs about {put,get}_user() failures 2020-07-10 16:17:20 +02:00
arcfb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
arkfb.c fbdev: arkfb: use generic power management 2020-09-08 13:33:20 +02:00
asiliantfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
atafb_iplan2p2.c fbdev: atafb: Remove obsolete module support 2019-04-01 17:46:55 +02:00
atafb_iplan2p4.c fbdev: atafb: Remove obsolete module support 2019-04-01 17:46:55 +02:00
atafb_iplan2p8.c fbdev: atafb: Remove obsolete module support 2019-04-01 17:46:55 +02:00
atafb_mfb.c fbdev: atafb: Remove obsolete module support 2019-04-01 17:46:55 +02:00
atafb_utils.h
atafb.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
atafb.h
atmel_lcdfb.c video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init() 2020-12-30 11:53:13 +01:00
au1100fb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
au1100fb.h au1100fb: fix DMA API abuse 2019-06-03 16:00:08 +02:00
au1200fb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
au1200fb.h
broadsheetfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
bt431.h
bt455.h
bw2.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
c2p_core.h fbdev: c2p: Use BUILD_BUG() instead of custom solution 2020-03-09 11:12:19 +01:00
c2p_iplan2.c
c2p_planar.c
c2p.h
carminefb_regs.h
carminefb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
carminefb.h
cg3.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
cg6.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
cg14.c fbdev: cg14fb: use resource_size 2020-01-15 17:31:50 +01:00
chipsfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
cirrusfb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
clps711x-fb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
cobalt_lcdfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
controlfb.c powerpc fixes for 5.9 #4 2020-08-30 10:56:12 -07:00
controlfb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cyber2000fb.c fbdev: cyber2000fb: use generic power management 2020-09-08 13:33:16 +02:00
cyber2000fb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
da8xx-fb.c fbdev: da8xx-fb: go to proper label on error handling paths in probe 2020-07-10 16:17:28 +02:00
dnfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
edid.h
efifb.c efi: avoid error message when booting under Xen 2020-08-20 06:26:22 +02:00
ep93xx-fb.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
ffb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
fm2fb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
fsl-diu-fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
g364fb.c fbdev/g364fb: Fix build failure 2020-02-19 10:58:22 -08:00
gbefb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
goldfishfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
grvga.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
gxt4500.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hecubafb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
hgafb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
hitfb.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
hpfb.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
hyperv_fb.c hyperv-fixes for 5.10-rc6 2020-11-23 15:29:03 -08:00
i740_reg.h
i740fb.c fbdev: i740fb: use generic power management 2020-09-08 13:33:17 +02:00
imsttfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
imxfb.c video: fbdev: imxfb: ensure balanced regulator usage 2020-04-17 15:50:07 +02:00
Kconfig fbdev: aty: SPARC64 requires FB_ATY_CT 2021-03-04 11:37:36 +01:00
leo.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
macfb.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
macmodes.c
macmodes.h
Makefile drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
maxinefb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
metronomefb.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
mx3fb.c fbdev: mx3fb: const pointer to ipu_di_signal_cfg 2020-04-12 22:09:35 +02:00
n411.c
neofb.c video: fbdev: neofb: fix memory leak in neo_scan_monitor() 2020-07-10 16:17:24 +02:00
ocfb.c video: ocfb: Use devm_platform_ioremap_resource() in ocfb_probe() 2020-01-03 14:27:49 +01:00
offb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
p9100.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
platinumfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
platinumfb.h
pm2fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pm3fb.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
pmag-aa-fb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
pmag-ba-fb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
pmagb-b-fb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
ps3fb.c fbmem: pull fbcon_update_vcs() out of fb_set_var() 2020-08-04 07:37:23 +02:00
pvr2fb.c video: fbdev: pvr2fb: initialize variables 2020-08-05 19:47:22 +02:00
pxa3xx-gcu.c misc: cleanup minor number definitions in c file into miscdevice.h 2020-03-18 12:27:03 +01:00
pxa3xx-gcu.h
pxa168fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pxa168fb.h
pxafb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pxafb.h video: pxafb: Remove cpufreq policy notifier 2019-08-26 10:02:02 +02:00
q40fb.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
s1d13xxxfb.c fbdev: s1d13xxxfb: add missed unregister_framebuffer in remove 2020-04-17 15:50:12 +02:00
s3c2410fb-regs-lcd.h fbdev: s3c2410fb: remove mach header dependency 2020-08-20 17:48:12 +02:00
s3c2410fb.c fbdev: s3c2410fb: remove mach header dependency 2020-08-20 17:48:12 +02:00
s3c2410fb.h
s3c-fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
s3fb.c fbdev: s3fb: use generic power management 2020-09-08 13:33:19 +02:00
sa1100fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sa1100fb.h ARM/fbdev: sa11x0: Switch to use GPIO descriptors 2020-04-17 15:50:11 +02:00
sbuslib.c fbdev: sbuslib: integer overflow in sbusfb_ioctl_helper() 2018-10-08 12:57:36 +02:00
sbuslib.h
sh7760fb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
sh_mobile_lcdcfb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sh_mobile_lcdcfb.h fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify 2019-06-12 20:28:11 +02:00
simplefb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
skeletonfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
sm501fb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sm712.h fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display 2019-04-01 17:46:59 +02:00
sm712fb.c fbdev: sm712fb: handle ioremap() errors in probe 2020-09-08 13:33:02 +02:00
smscufx.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
ssd1307fb.c video: fbdev: ssd1307fb: Added support to Column offset 2020-09-08 13:33:03 +02:00
sstfb.c video: fbdev: sstfb: replace spurious snprintf() with sprintf() 2020-09-08 13:33:24 +02:00
sticore.h parisc/sticon: Add user font support 2020-10-15 08:12:59 +02:00
stifb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sunxvr500.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
sunxvr1000.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
sunxvr2500.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
tcx.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
tdfxfb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
tgafb.c video: fbdev: tgafb: Avoid comma separated statements 2020-09-08 13:33:25 +02:00
tmiofb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
tridentfb.c drm pull for 5.6-rc1 2020-01-30 08:04:01 -08:00
udlfb.c udlfb: Fix memory leak in dlfb_usb_probe 2021-03-07 12:34:04 +01:00
uvesafb.c video: fbdev: uvesafb: fix "noblank" option handling 2020-06-21 09:58:55 +02:00
valkyriefb.c video: fbdev: valkyriefb.c: fix warning comparing pointer to 0 2020-05-06 21:04:45 +02:00
valkyriefb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vesafb.c video: fbdev: vesafb: add missed release_region 2020-04-17 15:50:14 +02:00
vfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00
vga16fb.c Merge drm/drm-next into drm-misc-next 2020-09-14 18:11:40 +02:00
vt8500lcdfb.c video: vt8500lcdfb: fix fallthrough warning 2020-04-17 15:50:08 +02:00
vt8500lcdfb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
vt8623fb.c fbdev: vt8623fb: use generic power management 2020-09-08 13:33:18 +02:00
w100fb.c video: fbdev: w100fb: Fix a potential double free. 2020-05-06 20:22:25 +02:00
w100fb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wm8505fb_regs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
wm8505fb.c video: fbdev: wm8505fb: fix sparse warnings about using incorrect types 2020-03-02 16:32:04 +01:00
wmt_ge_rops.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
wmt_ge_rops.h
xen-fbfront.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
xilinxfb.c video: constify fb ops across all drivers 2019-12-05 10:57:53 +02:00