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| author | Bram Moolenaar <Bram@vim.org> | 2021-06-27 14:08:24 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-06-27 14:08:24 +0200 |
| commit | 65aee0b714e809b9f19862f3decd35055ed4de10 (patch) | |
| tree | 9aaa368563c0481d5a14e29689cc856370e2fba9 /src/fileio.c | |
| parent | 4cd5c52d64a66ad1984d33462a40e0c6721ca232 (diff) | |
patch 8.2.3063: crash when switching 'cryptmethod' to xchaha20 with undo filev8.2.3063
Problem: Crash when switching 'cryptmethod' to xchaha20 with an existing
undo file. (Martin Tournoij)
Solution: Disable reading undo file when decoding can't be done inplace.
(issue #8467)
Diffstat (limited to 'src/fileio.c')
| -rw-r--r-- | src/fileio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/fileio.c b/src/fileio.c index 7c8f00de3a..4bd773e0bd 100644 --- a/src/fileio.c +++ b/src/fileio.c @@ -1298,9 +1298,17 @@ retry: * At start of file: Check for magic number of encryption. */ if (filesize == 0 && size > 0) + { cryptkey = check_for_cryptkey(cryptkey, ptr, &size, &filesize, newfile, sfname, &did_ask_for_key); +# ifdef CRYPT_NOT_INPLACE + if (curbuf->b_cryptstate != NULL + && !crypt_works_inplace(curbuf->b_cryptstate)) + // reading undo file requires crypt_decode_inplace() + read_undo_file = FALSE; +# endif + } /* * Decrypt the read bytes. This is done before checking for * EOF because the crypt layer may be buffering. |