- update patch "eliminate-some-more-alloca-usage" for bug 1984808.
This commit is contained in:
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cb8d3f7596
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d11ac98e35
@ -6,19 +6,28 @@ Quite a bit of the alloca(3) usage has been eliminated over time.
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Use malloc(3) for some more cases that might need to allocate a largish
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amount of storage.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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autofs-5.1.7 - eliminate some more alloca usage
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From: Ian Kent <raven@themaw.net>
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Quite a bit of the alloca(3) usage has been eliminated over time.
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Use malloc(3) for some more cases that might need to allocate a largish
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amount of storage.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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modules/lookup_program.c | 11 ++++++++++-
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modules/lookup_yp.c | 22 +++++++++++++++++++---
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modules/parse_sun.c | 13 +++++++++++--
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modules/replicated.c | 15 ++++-----------
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5 files changed, 45 insertions(+), 17 deletions(-)
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modules/parse_sun.c | 18 ++++++++++++++----
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modules/replicated.c | 19 ++++++-------------
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5 files changed, 50 insertions(+), 21 deletions(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index 8d050552..2b7cfaa0 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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--- autofs-5.1.7.orig/CHANGELOG
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+++ autofs-5.1.7/CHANGELOG
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@@ -79,6 +79,7 @@
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- add missing description of null map option.
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- fix nonstrict offset mount fail handling.
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@ -27,11 +36,9 @@ index 8d050552..2b7cfaa0 100644
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25/01/2021 autofs-5.1.7
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- make bind mounts propagation slave by default.
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diff --git a/modules/lookup_program.c b/modules/lookup_program.c
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index 6cab52c8..028580e5 100644
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--- a/modules/lookup_program.c
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+++ b/modules/lookup_program.c
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@@ -636,7 +636,14 @@ int lookup_mount(struct autofs_point *ap, const char *name, int name_len, void *
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--- autofs-5.1.7.orig/modules/lookup_program.c
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+++ autofs-5.1.7/modules/lookup_program.c
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@@ -636,7 +636,14 @@ int lookup_mount(struct autofs_point *ap
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char *ent = NULL;
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if (me->mapent) {
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@ -47,7 +54,7 @@ index 6cab52c8..028580e5 100644
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strcpy(ent, me->mapent);
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}
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cache_unlock(mc);
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@@ -644,6 +651,8 @@ int lookup_mount(struct autofs_point *ap, const char *name, int name_len, void *
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@@ -644,6 +651,8 @@ int lookup_mount(struct autofs_point *ap
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ap->entry->current = source;
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ret = ctxt->parse->parse_mount(ap, name,
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name_len, ent, ctxt->parse->context);
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@ -56,11 +63,9 @@ index 6cab52c8..028580e5 100644
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goto out_free;
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} else {
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if (IS_MM(me) && !IS_MM_ROOT(me)) {
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diff --git a/modules/lookup_yp.c b/modules/lookup_yp.c
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index 8bccb72f..d2a4b5a5 100644
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--- a/modules/lookup_yp.c
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+++ b/modules/lookup_yp.c
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@@ -254,7 +254,7 @@ int yp_all_master_callback(int status, char *ypkey, int ypkeylen,
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--- autofs-5.1.7.orig/modules/lookup_yp.c
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+++ autofs-5.1.7/modules/lookup_yp.c
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@@ -254,7 +254,7 @@ int yp_all_master_callback(int status, c
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len = ypkeylen + 1 + vallen + 2;
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@ -69,7 +74,7 @@ index 8bccb72f..d2a4b5a5 100644
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if (!buffer) {
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error(logopt, MODPREFIX "could not malloc parse buffer");
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return 0;
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@@ -267,6 +267,8 @@ int yp_all_master_callback(int status, char *ypkey, int ypkeylen,
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@@ -267,6 +267,8 @@ int yp_all_master_callback(int status, c
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master_parse_entry(buffer, timeout, logging, age);
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@ -78,7 +83,7 @@ index 8bccb72f..d2a4b5a5 100644
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return 0;
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}
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@@ -368,7 +370,12 @@ int yp_all_callback(int status, char *ypkey, int ypkeylen,
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@@ -368,7 +370,12 @@ int yp_all_callback(int status, char *yp
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return 0;
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}
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@ -92,7 +97,7 @@ index 8bccb72f..d2a4b5a5 100644
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strncpy(mapent, val, vallen);
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*(mapent + vallen) = '\0';
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@@ -377,6 +384,7 @@ int yp_all_callback(int status, char *ypkey, int ypkeylen,
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@@ -377,6 +384,7 @@ int yp_all_callback(int status, char *yp
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cache_unlock(mc);
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free(key);
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@ -100,7 +105,7 @@ index 8bccb72f..d2a4b5a5 100644
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if (ret == CHE_FAIL)
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return -1;
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@@ -904,7 +912,14 @@ int lookup_mount(struct autofs_point *ap, const char *name, int name_len, void *
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@@ -904,7 +912,14 @@ int lookup_mount(struct autofs_point *ap
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}
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if (me && (me->source == source || *me->key == '/')) {
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mapent_len = strlen(me->mapent);
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@ -116,7 +121,7 @@ index 8bccb72f..d2a4b5a5 100644
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strcpy(mapent, me->mapent);
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}
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}
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@@ -929,6 +944,7 @@ int lookup_mount(struct autofs_point *ap, const char *name, int name_len, void *
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@@ -929,6 +944,7 @@ int lookup_mount(struct autofs_point *ap
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ret = ctxt->parse->parse_mount(ap, key, key_len,
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mapent, ctxt->parse->context);
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@ -124,11 +129,9 @@ index 8bccb72f..d2a4b5a5 100644
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if (ret) {
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/* Don't update negative cache when re-connecting */
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if (ap->flags & MOUNT_FLAG_REMOUNT)
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diff --git a/modules/parse_sun.c b/modules/parse_sun.c
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index 9190165d..c65bfce0 100644
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--- a/modules/parse_sun.c
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+++ b/modules/parse_sun.c
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@@ -668,9 +668,16 @@ static int sun_mount(struct autofs_point *ap, const char *root,
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--- autofs-5.1.7.orig/modules/parse_sun.c
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+++ autofs-5.1.7/modules/parse_sun.c
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@@ -668,9 +668,16 @@ static int sun_mount(struct autofs_point
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}
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}
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@ -146,15 +149,21 @@ index 9190165d..c65bfce0 100644
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memcpy(what, loc, loclen);
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what[loclen] = '\0';
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@@ -709,7 +716,6 @@ static int sun_mount(struct autofs_point *ap, const char *root,
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if (!loclen)
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@@ -706,10 +713,10 @@ static int sun_mount(struct autofs_point
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rv = mount_nfs->mount_mount(ap, root, name, namelen,
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what, fstype, options, mount_nfs->context);
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} else {
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- if (!loclen)
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+ if (!loclen) {
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+ free(what);
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what = NULL;
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else {
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- else {
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- what = alloca(loclen + 1);
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+ } else {
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if (*loc == ':') {
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loclen--;
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memcpy(what, loc + 1, loclen);
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@@ -728,6 +734,9 @@ static int sun_mount(struct autofs_point *ap, const char *root,
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@@ -728,6 +735,9 @@ static int sun_mount(struct autofs_point
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/* Generic mount routine */
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rv = do_mount(ap, root, name, namelen, what, fstype, options);
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}
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@ -164,12 +173,14 @@ index 9190165d..c65bfce0 100644
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pthread_setcancelstate(cur_state, NULL);
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if (nonstrict && rv)
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diff --git a/modules/replicated.c b/modules/replicated.c
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index 03d4ba1e..e68a3cc6 100644
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--- a/modules/replicated.c
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+++ b/modules/replicated.c
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@@ -1044,22 +1044,15 @@ done:
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static int add_path(struct host *hosts, const char *path, int len)
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--- autofs-5.1.7.orig/modules/replicated.c
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+++ autofs-5.1.7/modules/replicated.c
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@@ -1041,25 +1041,18 @@ done:
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return ret;
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}
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-static int add_path(struct host *hosts, const char *path, int len)
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+static int add_path(struct host *hosts, const char *path)
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{
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struct host *this;
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- char *tmp, *tmp2;
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@ -195,3 +206,12 @@ index 03d4ba1e..e68a3cc6 100644
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}
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this = this->next;
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}
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@@ -1188,7 +1181,7 @@ int parse_location(unsigned logopt, stru
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}
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}
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- if (!add_path(*hosts, path, strlen(path))) {
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+ if (!add_path(*hosts, path)) {
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free_host_list(hosts);
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free(str);
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return 0;
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