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4d3fe82afc
httpd/httpd-2.4.51-r1892413+.patch
Joe Orton 4d3fe82afc add fixes for static analyzer issues (#1938740) 
Resolves: rhbz#1938740
2021-12-03 14:19:05 +00:00

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# ./pullrev.sh 1892413 1895552
https://bugzilla.redhat.com/show_bug.cgi?id=1938740
http://svn.apache.org/viewvc?view=revision&revision=1892413
http://svn.apache.org/viewvc?view=revision&revision=1895552
- also mod_cgi/mod_cgid log_flags fix from r1881559
--- httpd-2.4.51/modules/filters/mod_deflate.c.r1892413+
+++ httpd-2.4.51/modules/filters/mod_deflate.c
@@ -1275,44 +1275,46 @@
if (APR_BUCKET_IS_FLUSH(bkt)) {
apr_bucket *tmp_b;
- ctx->inflate_total += ctx->stream.avail_out;
- zRC = inflate(&(ctx->stream), Z_SYNC_FLUSH);
- ctx->inflate_total -= ctx->stream.avail_out;
- if (zRC != Z_OK) {
- inflateEnd(&ctx->stream);
- ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(01391)
- "Zlib error %d inflating data (%s)", zRC,
- ctx->stream.msg);
- return APR_EGENERAL;
- }
+ if (!ctx->done) {
+ ctx->inflate_total += ctx->stream.avail_out;
+ zRC = inflate(&(ctx->stream), Z_SYNC_FLUSH);
+ ctx->inflate_total -= ctx->stream.avail_out;
+ if (zRC != Z_OK) {
+ inflateEnd(&ctx->stream);
+ ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(01391)
+ "Zlib error %d inflating data (%s)", zRC,
+ ctx->stream.msg);
+ return APR_EGENERAL;
+ }
- if (inflate_limit && ctx->inflate_total > inflate_limit) {
- inflateEnd(&ctx->stream);
- ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(02647)
- "Inflated content length of %" APR_OFF_T_FMT
- " is larger than the configured limit"
- " of %" APR_OFF_T_FMT,
- ctx->inflate_total, inflate_limit);
- return APR_ENOSPC;
- }
+ if (inflate_limit && ctx->inflate_total > inflate_limit) {
+ inflateEnd(&ctx->stream);
+ ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(02647)
+ "Inflated content length of %" APR_OFF_T_FMT
+ " is larger than the configured limit"
+ " of %" APR_OFF_T_FMT,
+ ctx->inflate_total, inflate_limit);
+ return APR_ENOSPC;
+ }
- if (!check_ratio(r, ctx, dc)) {
- inflateEnd(&ctx->stream);
- ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(02805)
- "Inflated content ratio is larger than the "
- "configured limit %i by %i time(s)",
- dc->ratio_limit, dc->ratio_burst);
- return APR_EINVAL;
- }
+ if (!check_ratio(r, ctx, dc)) {
+ inflateEnd(&ctx->stream);
+ ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(02805)
+ "Inflated content ratio is larger than the "
+ "configured limit %i by %i time(s)",
+ dc->ratio_limit, dc->ratio_burst);
+ return APR_EINVAL;
+ }
- len = c->bufferSize - ctx->stream.avail_out;
- ctx->crc = crc32(ctx->crc, (const Bytef *)ctx->buffer, len);
- tmp_b = apr_bucket_heap_create((char *)ctx->buffer, len,
- NULL, f->c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(ctx->proc_bb, tmp_b);
+ len = c->bufferSize - ctx->stream.avail_out;
+ ctx->crc = crc32(ctx->crc, (const Bytef *)ctx->buffer, len);
+ tmp_b = apr_bucket_heap_create((char *)ctx->buffer, len,
+ NULL, f->c->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(ctx->proc_bb, tmp_b);
- ctx->stream.next_out = ctx->buffer;
- ctx->stream.avail_out = c->bufferSize;
+ ctx->stream.next_out = ctx->buffer;
+ ctx->stream.avail_out = c->bufferSize;
+ }
/* Flush everything so far in the returning brigade, but continue
* reading should EOS/more follow (don't lose them).
--- httpd-2.4.51/modules/generators/mod_cgi.c.r1892413+
+++ httpd-2.4.51/modules/generators/mod_cgi.c
@@ -191,11 +191,10 @@
apr_file_t *f = NULL;
apr_finfo_t finfo;
char time_str[APR_CTIME_LEN];
- int log_flags = rv ? APLOG_ERR : APLOG_ERR;
/* Intentional no APLOGNO */
/* Callee provides APLOGNO in error text */
- ap_log_rerror(APLOG_MARK, log_flags, rv, r,
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"%s%s: %s", logno ? logno : "", error, r->filename);
/* XXX Very expensive mainline case! Open, then getfileinfo! */
--- httpd-2.4.51/modules/generators/mod_cgid.c.r1892413+
+++ httpd-2.4.51/modules/generators/mod_cgid.c
@@ -1190,11 +1190,10 @@
apr_file_t *f = NULL;
struct stat finfo;
char time_str[APR_CTIME_LEN];
- int log_flags = rv ? APLOG_ERR : APLOG_ERR;
/* Intentional no APLOGNO */
/* Callee provides APLOGNO in error text */
- ap_log_rerror(APLOG_MARK, log_flags, rv, r,
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"%s: %s", error, r->filename);
/* XXX Very expensive mainline case! Open, then getfileinfo! */
--- httpd-2.4.51/server/mpm_unix.c.r1892413+
+++ httpd-2.4.51/server/mpm_unix.c
@@ -259,10 +259,12 @@
while (cur_extra) {
ap_generation_t old_gen;
extra_process_t *next = cur_extra->next;
+ pid_t pid = cur_extra->pid;
- if (reclaim_one_pid(cur_extra->pid, action_table[cur_action].action)) {
- if (ap_unregister_extra_mpm_process(cur_extra->pid, &old_gen) == 1) {
- mpm_callback(-1, cur_extra->pid, old_gen);
+ if (reclaim_one_pid(pid, action_table[cur_action].action)) {
+ if (ap_unregister_extra_mpm_process(pid, &old_gen) == 1) {
+ /* cur_extra dangling pointer from here. */
+ mpm_callback(-1, pid, old_gen);
}
else {
AP_DEBUG_ASSERT(1 == 0);
@@ -307,10 +309,12 @@
while (cur_extra) {
ap_generation_t old_gen;
extra_process_t *next = cur_extra->next;
+ pid_t pid = cur_extra->pid;
- if (reclaim_one_pid(cur_extra->pid, DO_NOTHING)) {
- if (ap_unregister_extra_mpm_process(cur_extra->pid, &old_gen) == 1) {
- mpm_callback(-1, cur_extra->pid, old_gen);
+ if (reclaim_one_pid(pid, DO_NOTHING)) {
+ if (ap_unregister_extra_mpm_process(pid, &old_gen) == 1) {
+ /* cur_extra dangling pointer from here. */
+ mpm_callback(-1, pid, old_gen);
}
else {
AP_DEBUG_ASSERT(1 == 0);
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