diff options
Diffstat (limited to 'package/utils/busybox/patches/001-backport1330fix-ash-make-strdup-copy.patch')
-rw-r--r-- | package/utils/busybox/patches/001-backport1330fix-ash-make-strdup-copy.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/001-backport1330fix-ash-make-strdup-copy.patch b/package/utils/busybox/patches/001-backport1330fix-ash-make-strdup-copy.patch new file mode 100644 index 0000000000..b495227d9f --- /dev/null +++ b/package/utils/busybox/patches/001-backport1330fix-ash-make-strdup-copy.patch @@ -0,0 +1,40 @@ +From 67cc582d4289c5de521d11b08307c8ab26ee1e28 Mon Sep 17 00:00:00 2001 +From: Denys Vlasenko <vda.linux@googlemail.com> +Date: Sun, 3 Jan 2021 10:55:39 +0100 +Subject: ash: make a strdup copy of $HISTFILE for line editing + +Otherwise if $HISTFILE is unset or reassigned, bad things can happen. + +function old new delta +ash_main 1210 1218 +8 + +Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> +--- + shell/ash.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/shell/ash.c b/shell/ash.c +index f16d7fb6a..ecbfbf091 100644 +--- a/shell/ash.c ++++ b/shell/ash.c +@@ -14499,7 +14499,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv) + + if (sflag || minusc == NULL) { + #if MAX_HISTORY > 0 && ENABLE_FEATURE_EDITING_SAVEHISTORY +- if (iflag) { ++ if (line_input_state) { + const char *hp = lookupvar("HISTFILE"); + if (!hp) { + hp = lookupvar("HOME"); +@@ -14513,7 +14513,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv) + } + } + if (hp) +- line_input_state->hist_file = hp; ++ line_input_state->hist_file = xstrdup(hp); + # if ENABLE_FEATURE_SH_HISTFILESIZE + hp = lookupvar("HISTFILESIZE"); + line_input_state->max_history = size_from_HISTFILESIZE(hp); +-- +cgit v1.2.1 + |