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[v2,0/2] media: dvb-usb: Fix UAF and memory leaks

Message ID 20210201083247.10760-1-tiwai@suse.de (mailing list archive)
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Series media: dvb-usb: Fix UAF and memory leaks | expand

Message

Takashi Iwai Feb. 1, 2021, 8:32 a.m. UTC 
Hi,

here is a revised patch set to address the use-after-free at
disconnecting a USB DVB device that was recently reported on openSUSE
Bugzilla.  The bug itself seems to be a long-standing one, and I
spotted another memory leak there, which is covered in the first
patch.

This revision addressed the double-free bug Sean pointed.

I added Robert's R-b tag only to patch#2, as patch#1 differs from the
v1 significantly.


thanks,

Takashi

===

Takashi Iwai (2):
  media: dvb-usb: Fix memory leak at error in dvb_usb_device_init()
  media: dvb-usb: Fix use-after-free access

 drivers/media/usb/dvb-usb/dvb-usb-init.c | 70 +++++++++++++++---------
 1 file changed, 44 insertions(+), 26 deletions(-)