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(parent: 35756ce) | patch
s390/zcrypt: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 09:09:15 +0000 (10:09 +0100)
committerVasily Gorbik <gor@linux.ibm.com>
Mon, 23 Mar 2020 12:41:54 +0000 (13:41 +0100)
commite5e9508fe50ef387921c038ba40a51620a27905c
treece5ea260338586373a7bfc8d74cfad44d37852b4tree | snapshot
parent35756ceefaecbac77d746743c3591b9db585b267commit | diff
s390/zcrypt: Use scnprintf() for avoiding potential buffer overflow

Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit.  Fix it by replacing with scnprintf().

Message-Id: <20200311090915.21059-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
drivers/s390/crypto/zcrypt_cex4.c diff | blob | history
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