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Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference


From: Paul Eggert
Subject: Re: [PATCH v2 02/10] gnulib/regexec: Fix possible null-dereference
Date: Wed, 1 Dec 2021 19:04:54 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0

On 12/1/21 13:01, Robbie Harwood wrote:
It appears to be possible that the mctx->state_log field may be NULL,

I don't see how. re_search_internal sets mctx.state_log to a non-null value if dfa->has_mb_node, and clean_state_log_if_needed should be called only if dfa->has_mb_node is true. What am I missing?



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