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linux/drivers/staging/speakup
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Johan Hovold a1960e0f16 staging: speakup: fix tty-operation NULL derefs 
The send_xchar() and tiocmset() tty operations are optional. Add the
missing sanity checks to prevent user-space triggerable NULL-pointer
dereferences.

Fixes: 6b9ad1c742 ("staging: speakup: add send_xchar, tiocmset and input functionality for tty")
Cc: stable <stable@vger.kernel.org>     # 4.13
Cc: Okash Khawaja <okash.khawaja@gmail.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2019-01-30 11:54:01 +01:00
..
DefaultKeyAssignments
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Kconfig mn10300: Remove the architecture 2018-03-09 23:19:56 +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
TODO
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buffers.c staging: speakup: use true/false instead of 1/0 2018-05-15 09:31:38 +02:00
devsynth.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fakekey.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
i18n.c staging: speakup: i18n: fix spelling mistake "phoneticly" -> "phonetically" 2018-12-05 09:39:45 +01:00
i18n.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
keyhelp.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
kobjects.c staging: speakup: clean up few indentation issues 2018-11-07 12:35:10 +01:00
main.c staging: speakup: use true/false instead of 1/0 2018-05-15 09:31:38 +02:00
selection.c staging: speakup: selection: replace _manual_ swap with swap macro 2017-11-27 09:20:40 +01:00
serialio.c staging: speakup: add SPDX identifier. 2018-01-15 16:03:44 +01:00
serialio.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
speakup.h staging: speakup: Add pause command used on switching to graphical mode 2018-05-06 19:02:37 -07:00
speakup_acnt.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
speakup_acntpc.c staging: speakup: move arguments to reduce 80 chars limit 2018-11-07 12:22:33 +01:00
speakup_acntsa.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_apollo.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_audptr.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_bns.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_decext.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_decpc.c staging: speakup: clean up few indentation issues 2018-11-07 12:35:10 +01:00
speakup_dectlk.c staging: speakup: match alignment with open parenthesis 2018-03-06 04:01:10 -08:00
speakup_dtlk.c staging: speakup: remove space after a cast 2018-02-23 09:54:57 +01:00
speakup_dtlk.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
speakup_dummy.c staging: speakup: Add pause command used on switching to graphical mode 2018-05-06 19:02:37 -07:00
speakup_keypc.c staging: speakup: clean up few indentation issues 2018-11-07 12:35:10 +01:00
speakup_ltlk.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_soft.c staging: speakup: fix wraparound in uaccess length check 2018-07-16 10:04:11 +02:00
speakup_spkout.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakup_txprt.c staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
speakupmap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
speakupmap.map
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spk_priv.h staging: speakup: move arguments to adhere to 80 chars 2018-11-07 12:22:33 +01:00
spk_priv_keyinfo.h staging: speakup: remove redundant license text 2018-01-15 16:03:45 +01:00
spk_ttyio.c staging: speakup: fix tty-operation NULL derefs 2019-01-30 11:54:01 +01:00
spk_types.h staging: speakup: refactor synths array to use a list 2018-06-17 09:05:11 +02:00
spkguide.txt
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synth.c staging: speakup: refactor synths array to use a list 2018-06-17 09:05:11 +02:00
thread.c staging: speakup: add SPDX identifier. 2018-01-15 16:03:44 +01:00
varhandlers.c staging: speakup: remove redundant variable l 2018-07-11 14:45:54 +02:00