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authorSerge Tupchii <serge.tupchii@protonmail.com>2020-12-08 21:22:34 +0100
committerEli Zaretskii <eliz@gnu.org>2020-12-09 17:06:33 +0200
commit809b22d18d20e59a6320c62bbff29bd578f0b65a (patch)
tree1832eb136d0b1fa63288cbe3fcf0b3d4d7965dca
parentc0b3e38d7ce92a09e84b5bd570e92fdf2074618a (diff)
downloademacs-809b22d18d20e59a6320c62bbff29bd578f0b65a.tar.gz
Fix crash (segfault) in etags on generating tags for Erlang files
* lib-src/etags.c: Set allocated and lastlen to zero, after freeing last ptr in Erlang_functions to prevent dereferencing NULL pointer (bug#45122). Copyright-paperwork-exempt: yes (cherry picked from commit 2d8f0364fcd1d5dad2b82dd3a9af870b03854547)
-rw-r--r--lib-src/etags.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib-src/etags.c b/lib-src/etags.c
index f761a7b7c33..502f90920d2 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -6062,6 +6062,7 @@ Erlang_functions (FILE *inf)
{
free (last);
last = NULL;
+ allocated = lastlen = 0;
}
}
else