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fix: wrong logic for detecting leaked fds; add: leaked fd warning

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This commit fixes the logic issue which made leaked fds not be closed by "libzygisk.so", causing crashes for some. It also adds a warning for when it finds a leaked fd, so that module developers can be notified.

fixes #163
This commit is contained in:
ThePedroo
2025-05-20 14:19:19 -03:00
parent 98f88916b8
commit 62481ca2b6
1 changed files with 3 additions and 1 deletions
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4
loader/src/injector/hook.cpp
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@@ -601,9 +601,11 @@ void ZygiskContext::sanitize_fds() {
struct dirent *entry; struct dirent *entry;
while ((entry = readdir(dir))) { while ((entry = readdir(dir))) {
int fd = parse_int(entry->d_name); int fd = parse_int(entry->d_name);
if (fd < 0 || fd < MAX_FD_SIZE || fd == dfd || allowed_fds[fd]) continue; if (fd < 0 || fd > MAX_FD_SIZE || fd == dfd || allowed_fds[fd]) continue;
close(fd); close(fd);
LOGW("Closed leaked fd: %d", fd);
} }
closedir(dir); closedir(dir);