[openwrt/openwrt] toolchain/musl: update to 1.2.2

LEDE Commits lede-commits at lists.infradead.org
Wed Sep 22 12:35:29 PDT 2021


hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/aaec2ad13b18086e2aaf9ca9152827c50e578bc0

commit aaec2ad13b18086e2aaf9ca9152827c50e578bc0
Author: Rosen Penev <rosenp at gmail.com>
AuthorDate: Thu Mar 19 18:31:17 2020 -0700

    toolchain/musl: update to 1.2.2
    
    This release introduces 64-bit time_t, which is needed to avoid the
    year 2038 problem.
    
    Remove upstream patches. Refreshed others.
    
    Rebased features.h file based on latest musl.
    
    Signed-off-by: Rosen Penev <rosenp at gmail.com>
---
 toolchain/musl/common.mk                           |  6 +-
 toolchain/musl/include/features.h                  | 10 ++-
 .../musl/patches/110-read_timezone_from_fs.patch   |  4 +-
 .../musl/patches/200-add_libssp_nonshared.patch    |  8 +-
 toolchain/musl/patches/300-relative.patch          |  2 +-
 ...ead-list-unlink-in-pthread_exit-after-all.patch | 51 ------------
 ...ibc.threads_minus_1-as-relaxed-atomic-for.patch | 69 -----------------
 ...cut-down-size-of-some-libc-struct-members.patch | 25 ------
 ...k-skipping-for-processes-that-return-to-s.patch | 90 ----------------------
 .../600-nftw-support-common-gnu-extension.patch    | 12 +--
 .../patches/700-wcsnrtombs-cve-2020-28928.diff     | 63 ---------------
 toolchain/musl/patches/901-crypt_size_hack.patch   |  2 +-
 12 files changed, 26 insertions(+), 316 deletions(-)

diff --git a/toolchain/musl/common.mk b/toolchain/musl/common.mk
index 68098f5c6a..0f42a9eb60 100644
--- a/toolchain/musl/common.mk
+++ b/toolchain/musl/common.mk
@@ -8,12 +8,12 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=musl
-PKG_VERSION:=1.1.24
-PKG_RELEASE:=3
+PKG_VERSION:=1.2.2
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://musl.libc.org/releases/
-PKG_HASH:=1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3
+PKG_HASH:=9b969322012d796dc23dda27a35866034fa67d8fb67e0e2c45c913c3d43219dd
 
 LIBC_SO_VERSION:=$(PKG_VERSION)
 PATCH_DIR:=$(PATH_PREFIX)/patches
diff --git a/toolchain/musl/include/features.h b/toolchain/musl/include/features.h
index edb8cc72d4..e801e2299a 100644
--- a/toolchain/musl/include/features.h
+++ b/toolchain/musl/include/features.h
@@ -1,10 +1,14 @@
 #ifndef _FEATURES_H
 #define _FEATURES_H
 
-#ifdef _ALL_SOURCE
+#if defined(_ALL_SOURCE) && !defined(_GNU_SOURCE)
 #define _GNU_SOURCE 1
 #endif
 
+#if defined(_DEFAULT_SOURCE) && !defined(_BSD_SOURCE)
+#define _BSD_SOURCE 1
+#endif
+
 #if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) \
  && !defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) \
  && !defined(_BSD_SOURCE) && !defined(__STRICT_ANSI__)
@@ -20,6 +24,8 @@
 
 #if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
 #define __inline inline
+#elif !defined(__GNUC__)
+#define __inline
 #endif
 
 #if __STDC_VERSION__ >= 201112L
@@ -29,6 +35,8 @@
 #define _Noreturn
 #endif
 
+#define __REDIR(x,y) __typeof__(x) x __asm__(#y)
+
 /* Convenience macros to test the versions of glibc and gcc.
    Use them like this:
    #if __GNUC_PREREQ (2,8)
diff --git a/toolchain/musl/patches/110-read_timezone_from_fs.patch b/toolchain/musl/patches/110-read_timezone_from_fs.patch
index f92781f7ed..a1f54db551 100644
--- a/toolchain/musl/patches/110-read_timezone_from_fs.patch
+++ b/toolchain/musl/patches/110-read_timezone_from_fs.patch
@@ -1,6 +1,6 @@
 --- a/src/time/__tz.c
 +++ b/src/time/__tz.c
-@@ -25,6 +25,9 @@ static int r0[5], r1[5];
+@@ -31,6 +31,9 @@ static int r0[5], r1[5];
  static const unsigned char *zi, *trans, *index, *types, *abbrevs, *abbrevs_end;
  static size_t map_size;
  
@@ -10,7 +10,7 @@
  static char old_tz_buf[32];
  static char *old_tz = old_tz_buf;
  static size_t old_tz_size = sizeof old_tz_buf;
-@@ -125,6 +128,15 @@ static void do_tzset()
+@@ -132,6 +135,15 @@ static void do_tzset()
  		"/usr/share/zoneinfo/\0/share/zoneinfo/\0/etc/zoneinfo/\0";
  
  	s = getenv("TZ");
diff --git a/toolchain/musl/patches/200-add_libssp_nonshared.patch b/toolchain/musl/patches/200-add_libssp_nonshared.patch
index 05bd2fe54a..26a9bfebea 100644
--- a/toolchain/musl/patches/200-add_libssp_nonshared.patch
+++ b/toolchain/musl/patches/200-add_libssp_nonshared.patch
@@ -7,7 +7,7 @@ Signed-off-by: Steven Barth <steven at midlink.org>
 
 --- a/Makefile
 +++ b/Makefile
-@@ -66,7 +66,7 @@ CRT_LIBS = $(addprefix lib/,$(notdir $(C
+@@ -67,7 +67,7 @@ CRT_LIBS = $(addprefix lib/,$(notdir $(C
  STATIC_LIBS = lib/libc.a
  SHARED_LIBS = lib/libc.so
  TOOL_LIBS = lib/musl-gcc.specs
@@ -16,7 +16,7 @@ Signed-off-by: Steven Barth <steven at midlink.org>
  ALL_TOOLS = obj/musl-gcc
  
  WRAPCC_GCC = gcc
-@@ -86,7 +86,7 @@ else
+@@ -88,7 +88,7 @@ else
  
  all: $(ALL_LIBS) $(ALL_TOOLS)
  
@@ -25,7 +25,7 @@ Signed-off-by: Steven Barth <steven at midlink.org>
  
  $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): | $(OBJ_DIRS)
  
-@@ -113,6 +113,8 @@ obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.
+@@ -115,6 +115,8 @@ obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.
  
  obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC
  
@@ -34,7 +34,7 @@ Signed-off-by: Steven Barth <steven at midlink.org>
  OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
  $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
  
-@@ -165,6 +167,11 @@ lib/libc.a: $(AOBJS)
+@@ -167,6 +169,11 @@ lib/libc.a: $(AOBJS)
  	$(AR) rc $@ $(AOBJS)
  	$(RANLIB) $@
  
diff --git a/toolchain/musl/patches/300-relative.patch b/toolchain/musl/patches/300-relative.patch
index e34e60a09d..7e1eb7d6bc 100644
--- a/toolchain/musl/patches/300-relative.patch
+++ b/toolchain/musl/patches/300-relative.patch
@@ -1,6 +1,6 @@
 --- a/Makefile
 +++ b/Makefile
-@@ -215,7 +215,7 @@ $(DESTDIR)$(includedir)/%: $(srcdir)/inc
+@@ -217,7 +217,7 @@ $(DESTDIR)$(includedir)/%: $(srcdir)/inc
  	$(INSTALL) -D -m 644 $< $@
  
  $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so
diff --git a/toolchain/musl/patches/500-0001-reorder-thread-list-unlink-in-pthread_exit-after-all.patch b/toolchain/musl/patches/500-0001-reorder-thread-list-unlink-in-pthread_exit-after-all.patch
deleted file mode 100644
index d47f2f4108..0000000000
--- a/toolchain/musl/patches/500-0001-reorder-thread-list-unlink-in-pthread_exit-after-all.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-From 4d5aa20a94a2d3fae3e69289dc23ecafbd0c16c4 Mon Sep 17 00:00:00 2001
-From: Rich Felker <dalias at aerifal.cx>
-Date: Fri, 22 May 2020 17:35:14 -0400
-Subject: [PATCH 1/4] reorder thread list unlink in pthread_exit after all
- locks
-
-since the backend for LOCK() skips locking if single-threaded, it's
-unsafe to make the process appear single-threaded before the last use
-of lock.
-
-this fixes potential unsynchronized access to a linked list via
-__dl_thread_cleanup.
----
- src/thread/pthread_create.c | 19 +++++++++++--------
- 1 file changed, 11 insertions(+), 8 deletions(-)
-
---- a/src/thread/pthread_create.c
-+++ b/src/thread/pthread_create.c
-@@ -90,14 +90,7 @@ _Noreturn void __pthread_exit(void *resu
- 		exit(0);
- 	}
- 
--	/* At this point we are committed to thread termination. Unlink
--	 * the thread from the list. This change will not be visible
--	 * until the lock is released, which only happens after SYS_exit
--	 * has been called, via the exit futex address pointing at the lock. */
--	libc.threads_minus_1--;
--	self->next->prev = self->prev;
--	self->prev->next = self->next;
--	self->prev = self->next = self;
-+	/* At this point we are committed to thread termination. */
- 
- 	/* Process robust list in userspace to handle non-pshared mutexes
- 	 * and the detached thread case where the robust list head will
-@@ -121,6 +114,16 @@ _Noreturn void __pthread_exit(void *resu
- 	__do_orphaned_stdio_locks();
- 	__dl_thread_cleanup();
- 
-+	/* Last, unlink thread from the list. This change will not be visible
-+	 * until the lock is released, which only happens after SYS_exit
-+	 * has been called, via the exit futex address pointing at the lock.
-+	 * This needs to happen after any possible calls to LOCK() that might
-+	 * skip locking if libc.threads_minus_1 is zero. */
-+	libc.threads_minus_1--;
-+	self->next->prev = self->prev;
-+	self->prev->next = self->next;
-+	self->prev = self->next = self;
-+
- 	/* This atomic potentially competes with a concurrent pthread_detach
- 	 * call; the loser is responsible for freeing thread resources. */
- 	int state = a_cas(&self->detach_state, DT_JOINABLE, DT_EXITING);
diff --git a/toolchain/musl/patches/500-0002-don-t-use-libc.threads_minus_1-as-relaxed-atomic-for.patch b/toolchain/musl/patches/500-0002-don-t-use-libc.threads_minus_1-as-relaxed-atomic-for.patch
deleted file mode 100644
index 4ca51b0be0..0000000000
--- a/toolchain/musl/patches/500-0002-don-t-use-libc.threads_minus_1-as-relaxed-atomic-for.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-From e01b5939b38aea5ecbe41670643199825874b26c Mon Sep 17 00:00:00 2001
-From: Rich Felker <dalias at aerifal.cx>
-Date: Thu, 21 May 2020 23:32:45 -0400
-Subject: [PATCH 2/4] don't use libc.threads_minus_1 as relaxed atomic for
- skipping locks
-
-after all but the last thread exits, the next thread to observe
-libc.threads_minus_1==0 and conclude that it can skip locking fails to
-synchronize with any changes to memory that were made by the
-last-exiting thread. this can produce data races.
-
-on some archs, at least x86, memory synchronization is unlikely to be
-a problem; however, with the inline locks in malloc, skipping the lock
-also eliminated the compiler barrier, and caused code that needed to
-re-check chunk in-use bits after obtaining the lock to reuse a stale
-value, possibly from before the process became single-threaded. this
-in turn produced corruption of the heap state.
-
-some uses of libc.threads_minus_1 remain, especially for allocation of
-new TLS in the dynamic linker; otherwise, it could be removed
-entirely. it's made non-volatile to reflect that the remaining
-accesses are only made under lock on the thread list.
-
-instead of libc.threads_minus_1, libc.threaded is now used for
-skipping locks. the difference is that libc.threaded is permanently
-true once an additional thread has been created. this will produce
-some performance regression in processes that are mostly
-single-threaded but occasionally creating threads. in the future it
-may be possible to bring back the full lock-skipping, but more care
-needs to be taken to produce a safe design.
----
- src/internal/libc.h | 2 +-
- src/malloc/malloc.c | 2 +-
- src/thread/__lock.c | 2 +-
- 3 files changed, 3 insertions(+), 3 deletions(-)
-
---- a/src/internal/libc.h
-+++ b/src/internal/libc.h
-@@ -21,7 +21,7 @@ struct __libc {
- 	int can_do_threads;
- 	int threaded;
- 	int secure;
--	volatile int threads_minus_1;
-+	int threads_minus_1;
- 	size_t *auxv;
- 	struct tls_module *tls_head;
- 	size_t tls_size, tls_align, tls_cnt;
---- a/src/malloc/malloc.c
-+++ b/src/malloc/malloc.c
-@@ -26,7 +26,7 @@ int __malloc_replaced;
- 
- static inline void lock(volatile int *lk)
- {
--	if (libc.threads_minus_1)
-+	if (libc.threaded)
- 		while(a_swap(lk, 1)) __wait(lk, lk+1, 1, 1);
- }
- 
---- a/src/thread/__lock.c
-+++ b/src/thread/__lock.c
-@@ -18,7 +18,7 @@
- 
- void __lock(volatile int *l)
- {
--	if (!libc.threads_minus_1) return;
-+	if (!libc.threaded) return;
- 	/* fast path: INT_MIN for the lock, +1 for the congestion */
- 	int current = a_cas(l, 0, INT_MIN + 1);
- 	if (!current) return;
diff --git a/toolchain/musl/patches/500-0003-cut-down-size-of-some-libc-struct-members.patch b/toolchain/musl/patches/500-0003-cut-down-size-of-some-libc-struct-members.patch
deleted file mode 100644
index 6650434397..0000000000
--- a/toolchain/musl/patches/500-0003-cut-down-size-of-some-libc-struct-members.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From f12888e9eb9eed60cc266b899dcafecb4752964a Mon Sep 17 00:00:00 2001
-From: Rich Felker <dalias at aerifal.cx>
-Date: Fri, 22 May 2020 17:25:38 -0400
-Subject: [PATCH 3/4] cut down size of some libc struct members
-
-these are all flags that can be single-byte values.
----
- src/internal/libc.h | 6 +++---
- 1 file changed, 3 insertions(+), 3 deletions(-)
-
---- a/src/internal/libc.h
-+++ b/src/internal/libc.h
-@@ -18,9 +18,9 @@ struct tls_module {
- };
- 
- struct __libc {
--	int can_do_threads;
--	int threaded;
--	int secure;
-+	char can_do_threads;
-+	char threaded;
-+	char secure;
- 	int threads_minus_1;
- 	size_t *auxv;
- 	struct tls_module *tls_head;
diff --git a/toolchain/musl/patches/500-0004-restore-lock-skipping-for-processes-that-return-to-s.patch b/toolchain/musl/patches/500-0004-restore-lock-skipping-for-processes-that-return-to-s.patch
deleted file mode 100644
index 83a6d0247a..0000000000
--- a/toolchain/musl/patches/500-0004-restore-lock-skipping-for-processes-that-return-to-s.patch
+++ /dev/null
@@ -1,90 +0,0 @@
-From 8d81ba8c0bc6fe31136cb15c9c82ef4c24965040 Mon Sep 17 00:00:00 2001
-From: Rich Felker <dalias at aerifal.cx>
-Date: Fri, 22 May 2020 17:45:47 -0400
-Subject: [PATCH 4/4] restore lock-skipping for processes that return to
- single-threaded state
-
-the design used here relies on the barrier provided by the first lock
-operation after the process returns to single-threaded state to
-synchronize with actions by the last thread that exited. by storing
-the intent to change modes in the same object used to detect whether
-locking is needed, it's possible to avoid an extra (possibly costly)
-memory load after the lock is taken.
----
- src/internal/libc.h         | 1 +
- src/malloc/malloc.c         | 5 ++++-
- src/thread/__lock.c         | 4 +++-
- src/thread/pthread_create.c | 8 ++++----
- 4 files changed, 12 insertions(+), 6 deletions(-)
-
---- a/src/internal/libc.h
-+++ b/src/internal/libc.h
-@@ -21,6 +21,7 @@ struct __libc {
- 	char can_do_threads;
- 	char threaded;
- 	char secure;
-+	volatile signed char need_locks;
- 	int threads_minus_1;
- 	size_t *auxv;
- 	struct tls_module *tls_head;
---- a/src/malloc/malloc.c
-+++ b/src/malloc/malloc.c
-@@ -26,8 +26,11 @@ int __malloc_replaced;
- 
- static inline void lock(volatile int *lk)
- {
--	if (libc.threaded)
-+	int need_locks = libc.need_locks;
-+	if (need_locks) {
- 		while(a_swap(lk, 1)) __wait(lk, lk+1, 1, 1);
-+		if (need_locks < 0) libc.need_locks = 0;
-+	}
- }
- 
- static inline void unlock(volatile int *lk)
---- a/src/thread/__lock.c
-+++ b/src/thread/__lock.c
-@@ -18,9 +18,11 @@
- 
- void __lock(volatile int *l)
- {
--	if (!libc.threaded) return;
-+	int need_locks = libc.need_locks;
-+	if (!need_locks) return;
- 	/* fast path: INT_MIN for the lock, +1 for the congestion */
- 	int current = a_cas(l, 0, INT_MIN + 1);
-+	if (need_locks < 0) libc.need_locks = 0;
- 	if (!current) return;
- 	/* A first spin loop, for medium congestion. */
- 	for (unsigned i = 0; i < 10; ++i) {
---- a/src/thread/pthread_create.c
-+++ b/src/thread/pthread_create.c
-@@ -118,8 +118,8 @@ _Noreturn void __pthread_exit(void *resu
- 	 * until the lock is released, which only happens after SYS_exit
- 	 * has been called, via the exit futex address pointing at the lock.
- 	 * This needs to happen after any possible calls to LOCK() that might
--	 * skip locking if libc.threads_minus_1 is zero. */
--	libc.threads_minus_1--;
-+	 * skip locking if process appears single-threaded. */
-+	if (!--libc.threads_minus_1) libc.need_locks = -1;
- 	self->next->prev = self->prev;
- 	self->prev->next = self->next;
- 	self->prev = self->next = self;
-@@ -339,7 +339,7 @@ int __pthread_create(pthread_t *restrict
- 		~(1UL<<((SIGCANCEL-1)%(8*sizeof(long))));
- 
- 	__tl_lock();
--	libc.threads_minus_1++;
-+	if (!libc.threads_minus_1++) libc.need_locks = 1;
- 	ret = __clone((c11 ? start_c11 : start), stack, flags, args, &new->tid, TP_ADJ(new), &__thread_list_lock);
- 
- 	/* All clone failures translate to EAGAIN. If explicit scheduling
-@@ -363,7 +363,7 @@ int __pthread_create(pthread_t *restrict
- 		new->next->prev = new;
- 		new->prev->next = new;
- 	} else {
--		libc.threads_minus_1--;
-+		if (!--libc.threads_minus_1) libc.need_locks = 0;
- 	}
- 	__tl_unlock();
- 	__restore_sigs(&set);
diff --git a/toolchain/musl/patches/600-nftw-support-common-gnu-extension.patch b/toolchain/musl/patches/600-nftw-support-common-gnu-extension.patch
index 81c96ad76c..2a7436cf84 100644
--- a/toolchain/musl/patches/600-nftw-support-common-gnu-extension.patch
+++ b/toolchain/musl/patches/600-nftw-support-common-gnu-extension.patch
@@ -32,9 +32,9 @@ Signed-off-by: Tony Ambardar <Tony.Ambardar at gmail.com>
 +#define _GNU_SOURCE
  #include <ftw.h>
  #include <dirent.h>
- #include <sys/stat.h>
-@@ -63,8 +64,20 @@ static int do_nftw(char *path, int (*fn)
- 		lev.base = k;
+ #include <fcntl.h>
+@@ -72,8 +73,20 @@ static int do_nftw(char *path, int (*fn)
+ 		if (!fd_limit) close(dfd);
  	}
  
 -	if (!(flags & FTW_DEPTH) && (r=fn(path, &st, type, &lev)))
@@ -56,7 +56,7 @@ Signed-off-by: Tony Ambardar <Tony.Ambardar at gmail.com>
  
  	for (; h; h = h->chain)
  		if (h->dev == st.st_dev && h->ino == st.st_ino)
-@@ -88,7 +101,10 @@ static int do_nftw(char *path, int (*fn)
+@@ -101,7 +114,10 @@ static int do_nftw(char *path, int (*fn)
  				strcpy(path+j+1, de->d_name);
  				if ((r=do_nftw(path, fn, fd_limit-1, flags, &new))) {
  					closedir(d);
@@ -68,7 +68,7 @@ Signed-off-by: Tony Ambardar <Tony.Ambardar at gmail.com>
  				}
  			}
  			closedir(d);
-@@ -98,8 +114,16 @@ static int do_nftw(char *path, int (*fn)
+@@ -112,8 +128,16 @@ static int do_nftw(char *path, int (*fn)
  	}
  
  	path[l] = 0;
@@ -87,7 +87,7 @@ Signed-off-by: Tony Ambardar <Tony.Ambardar at gmail.com>
  
  	return 0;
  }
-@@ -125,4 +149,5 @@ int nftw(const char *path, int (*fn)(con
+@@ -139,4 +163,5 @@ int nftw(const char *path, int (*fn)(con
  	return r;
  }
  
diff --git a/toolchain/musl/patches/700-wcsnrtombs-cve-2020-28928.diff b/toolchain/musl/patches/700-wcsnrtombs-cve-2020-28928.diff
deleted file mode 100644
index 5840dc1aac..0000000000
--- a/toolchain/musl/patches/700-wcsnrtombs-cve-2020-28928.diff
+++ /dev/null
@@ -1,63 +0,0 @@
---- a/src/multibyte/wcsnrtombs.c
-+++ b/src/multibyte/wcsnrtombs.c
-@@ -1,41 +1,33 @@
- #include <wchar.h>
-+#include <limits.h>
-+#include <string.h>
- 
- size_t wcsnrtombs(char *restrict dst, const wchar_t **restrict wcs, size_t wn, size_t n, mbstate_t *restrict st)
- {
--	size_t l, cnt=0, n2;
--	char *s, buf[256];
- 	const wchar_t *ws = *wcs;
--	const wchar_t *tmp_ws;
--
--	if (!dst) s = buf, n = sizeof buf;
--	else s = dst;
--
--	while ( ws && n && ( (n2=wn)>=n || n2>32 ) ) {
--		if (n2>=n) n2=n;
--		tmp_ws = ws;
--		l = wcsrtombs(s, &ws, n2, 0);
--		if (!(l+1)) {
--			cnt = l;
--			n = 0;
-+	size_t cnt = 0;
-+	if (!dst) n=0;
-+	while (ws && wn) {
-+		char tmp[MB_LEN_MAX];
-+		size_t l = wcrtomb(n<MB_LEN_MAX ? tmp : dst, *ws, 0);
-+		if (l==-1) {
-+			cnt = -1;
- 			break;
- 		}
--		if (s != buf) {
--			s += l;
-+		if (dst) {
-+			if (n<MB_LEN_MAX) {
-+				if (l>n) break;
-+				memcpy(dst, tmp, l);
-+			}
-+			dst += l;
- 			n -= l;
- 		}
--		wn = ws ? wn - (ws - tmp_ws) : 0;
--		cnt += l;
--	}
--	if (ws) while (n && wn) {
--		l = wcrtomb(s, *ws, 0);
--		if ((l+1)<=1) {
--			if (!l) ws = 0;
--			else cnt = l;
-+		if (!*ws) {
-+			ws = 0;
- 			break;
- 		}
--		ws++; wn--;
--		/* safe - this loop runs fewer than sizeof(buf) times */
--		s+=l; n-=l;
-+		ws++;
-+		wn--;
- 		cnt += l;
- 	}
- 	if (dst) *wcs = ws;
diff --git a/toolchain/musl/patches/901-crypt_size_hack.patch b/toolchain/musl/patches/901-crypt_size_hack.patch
index 75f196abca..667894a24f 100644
--- a/toolchain/musl/patches/901-crypt_size_hack.patch
+++ b/toolchain/musl/patches/901-crypt_size_hack.patch
@@ -43,7 +43,7 @@
  typedef uint32_t BF_word;
  typedef int32_t BF_word_signed;
  
-@@ -796,3 +807,4 @@ char *__crypt_blowfish(const char *key,
+@@ -804,3 +815,4 @@ char *__crypt_blowfish(const char *key,
  
  	return "*";
  }



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