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Jo-Philipp Wich authored
The crypt() function may return NULL with errno ENOSYS when an attempt was made to crypt the plaintext password using a salt requesting an unsupported cipher. Avoid triggering segmentation faults in the subsequent strcmp() operation by checking for a non-NULL hash value. Fixes: FS#2291 Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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