Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix memory leak in brotlimt #355

Merged
merged 2 commits into from Oct 10, 2023
Merged

Fix memory leak in brotlimt #355

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
396505c
remove mem leak in error cases, for example on error by write or if i…
sebres Sep 26, 2023
fa7e631
remove possible mem leak in error cases by brotli compression too
sebres Sep 27, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
9 changes: 9 additions & 0 deletions C/zstdmt/brotli-mt_compress.c
View file
Open in desktop
Expand Up @@ -480,6 +480,15 @@ size_t BROTLIMT_compressCCtx(BROTLIMT_CCtx * ctx, BROTLIMT_RdWr_t * rdwr)
retval_of_thread = p;
}

/* move remaining done/busy entries to free list */
while (!list_empty(&ctx->writelist_done)) {
struct list_head *entry = list_first(&ctx->writelist_done);
list_move(entry, &ctx->writelist_free);
}
while (!list_empty(&ctx->writelist_busy)) {
struct list_head* entry = list_first(&ctx->writelist_busy);
list_move(entry, &ctx->writelist_free);
}
/* clean up lists */
while (!list_empty(&ctx->writelist_free)) {
struct writelist *wl;
Expand Down
22 changes: 13 additions & 9 deletions C/zstdmt/brotli-mt_decompress.c
View file
Open in desktop
Expand Up @@ -363,12 +363,7 @@ static void *pt_decompress(void *arg)
}

/* everything is okay */
pthread_mutex_lock(&ctx->write_mutex);
list_move(&wl->node, &ctx->writelist_free);
pthread_mutex_unlock(&ctx->write_mutex);
if (in->allocated)
free(in->buf);
return 0;
result = 0;

error_lock:
pthread_mutex_lock(&ctx->write_mutex);
Expand Down Expand Up @@ -508,8 +503,8 @@ size_t BROTLIMT_decompressDCtx(BROTLIMT_DCtx * ctx, BROTLIMT_RdWr_t * rdwr)
/* no pthread_create() needed! */
void *p = pt_decompress(w);
if (p)
return (size_t) p;
goto okay;
retval_of_thread = p;
goto done;
}

/* multi threaded */
Expand All @@ -530,7 +525,16 @@ size_t BROTLIMT_decompressDCtx(BROTLIMT_DCtx * ctx, BROTLIMT_RdWr_t * rdwr)
retval_of_thread = p;
}

okay:
done:
/* move remaining done/busy entries to free list */
while (!list_empty(&ctx->writelist_done)) {
struct list_head *entry = list_first(&ctx->writelist_done);
list_move(entry, &ctx->writelist_free);
}
while (!list_empty(&ctx->writelist_busy)) {
struct list_head* entry = list_first(&ctx->writelist_busy);
list_move(entry, &ctx->writelist_free);
}
/* clean up the buffers */
while (!list_empty(&ctx->writelist_free)) {
struct writelist *wl;
Expand Down