diff options
| -rw-r--r-- | shell/ash.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/shell/ash.c b/shell/ash.c index eb1347447..31fbc550a 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -8677,8 +8677,17 @@ expredir(union node *n) #if ENABLE_ASH_BASH_COMPAT store_expfname: #endif +#if 0 +// By the design of stack allocator, the loop of this kind: +// while true; do while true; do break; done </dev/null; done +// will look like a memory leak: ash plans to free expfname's +// of "/dev/null" as soon as it finishes running the loop +// (in this case, never). +// This "fix" is wrong: if (redir->nfile.expfname) stunalloc(redir->nfile.expfname); +// It results in corrupted state of stacked allocations. +#endif redir->nfile.expfname = fn.list->text; break; case NFROMFD: |