diff options
Diffstat (limited to 'gnu/packages/patches/glibc-2.29-git-updates.patch')
| -rw-r--r-- | gnu/packages/patches/glibc-2.29-git-updates.patch | 742 |
1 files changed, 742 insertions, 0 deletions
diff --git a/gnu/packages/patches/glibc-2.29-git-updates.patch b/gnu/packages/patches/glibc-2.29-git-updates.patch new file mode 100644 index 0000000000..5750e9cac1 --- /dev/null +++ b/gnu/packages/patches/glibc-2.29-git-updates.patch @@ -0,0 +1,742 @@ +This file tracks updates from the "release/2.29/master" branch: +https://sourceware.org/git/?p=glibc.git;a=shortlog;h=refs/heads/release/2.29/master + +Abridged commits are appended to this file. + +From ec894251ef11723d10df04fcfd7bd2030c6e43ff Mon Sep 17 00:00:00 2001 +From: Carlos O'Donell <carlos@redhat.com> +Date: Mon, 21 Jan 2019 22:50:12 -0500 +Subject: [PATCH] nptl: Fix pthread_rwlock_try*lock stalls (Bug 23844) +diff --git a/nptl/pthread_rwlock_tryrdlock.c b/nptl/pthread_rwlock_tryrdlock.c +index 368862ff07..2f94f17f36 100644 +--- a/nptl/pthread_rwlock_tryrdlock.c ++++ b/nptl/pthread_rwlock_tryrdlock.c +@@ -94,15 +94,22 @@ __pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock) + /* Same as in __pthread_rwlock_rdlock_full: + We started the read phase, so we are also responsible for + updating the write-phase futex. Relaxed MO is sufficient. +- Note that there can be no other reader that we have to wake +- because all other readers will see the read phase started by us +- (or they will try to start it themselves); if a writer started +- the read phase, we cannot have started it. Furthermore, we +- cannot discard a PTHREAD_RWLOCK_FUTEX_USED flag because we will +- overwrite the value set by the most recent writer (or the readers +- before it in case of explicit hand-over) and we know that there +- are no waiting readers. */ +- atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 0); ++ We have to do the same steps as a writer would when handing over the ++ read phase to use because other readers cannot distinguish between ++ us and the writer. ++ Note that __pthread_rwlock_tryrdlock callers will not have to be ++ woken up because they will either see the read phase started by us ++ or they will try to start it themselves; however, callers of ++ __pthread_rwlock_rdlock_full just increase the reader count and then ++ check what state the lock is in, so they cannot distinguish between ++ us and a writer that acquired and released the lock in the ++ meantime. */ ++ if ((atomic_exchange_relaxed (&rwlock->__data.__wrphase_futex, 0) ++ & PTHREAD_RWLOCK_FUTEX_USED) != 0) ++ { ++ int private = __pthread_rwlock_get_private (rwlock); ++ futex_wake (&rwlock->__data.__wrphase_futex, INT_MAX, private); ++ } + } + + return 0; +diff --git a/nptl/pthread_rwlock_trywrlock.c b/nptl/pthread_rwlock_trywrlock.c +index fd37a71ce4..fae475cc70 100644 +--- a/nptl/pthread_rwlock_trywrlock.c ++++ b/nptl/pthread_rwlock_trywrlock.c +@@ -46,8 +46,15 @@ __pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock) + &rwlock->__data.__readers, &r, + r | PTHREAD_RWLOCK_WRPHASE | PTHREAD_RWLOCK_WRLOCKED)) + { ++ /* We have become the primary writer and we cannot have shared ++ the PTHREAD_RWLOCK_FUTEX_USED flag with someone else, so we ++ can simply enable blocking (see full wrlock code). */ + atomic_store_relaxed (&rwlock->__data.__writers_futex, 1); +- atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1); ++ /* If we started a write phase, we need to enable readers to ++ wait. If we did not, we must not change it because other threads ++ may have set the PTHREAD_RWLOCK_FUTEX_USED in the meantime. */ ++ if ((r & PTHREAD_RWLOCK_WRPHASE) == 0) ++ atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1); + atomic_store_relaxed (&rwlock->__data.__cur_writer, + THREAD_GETMEM (THREAD_SELF, tid)); + return 0; +diff --git a/support/Makefile b/support/Makefile +index 432cf2fe6c..c15b93647c 100644 +--- a/support/Makefile ++++ b/support/Makefile +@@ -129,6 +129,7 @@ libsupport-routines = \ + xpthread_mutexattr_settype \ + xpthread_once \ + xpthread_rwlock_init \ ++ xpthread_rwlock_destroy \ + xpthread_rwlock_rdlock \ + xpthread_rwlock_unlock \ + xpthread_rwlock_wrlock \ +diff --git a/support/xpthread_rwlock_destroy.c b/support/xpthread_rwlock_destroy.c +new file mode 100644 +index 0000000000..6d6e953569 +--- /dev/null ++++ b/support/xpthread_rwlock_destroy.c +@@ -0,0 +1,26 @@ ++/* pthread_rwlock_destroy with error checking. ++ Copyright (C) 2019 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <http://www.gnu.org/licenses/>. */ ++ ++#include <support/xthread.h> ++ ++void ++xpthread_rwlock_destroy (pthread_rwlock_t *rwlock) ++{ ++ xpthread_check_return ("pthread_rwlock_destroy", ++ pthread_rwlock_destroy (rwlock)); ++} +diff --git a/support/xthread.h b/support/xthread.h +index 47c23235f3..9fe1f68b3b 100644 +--- a/support/xthread.h ++++ b/support/xthread.h +@@ -84,6 +84,7 @@ void xpthread_rwlockattr_setkind_np (pthread_rwlockattr_t *attr, int pref); + void xpthread_rwlock_wrlock (pthread_rwlock_t *rwlock); + void xpthread_rwlock_rdlock (pthread_rwlock_t *rwlock); + void xpthread_rwlock_unlock (pthread_rwlock_t *rwlock); ++void xpthread_rwlock_destroy (pthread_rwlock_t *rwlock); + + __END_DECLS + +From 44113a8ba24af23d7bbb174f9087a6b83a76289a Mon Sep 17 00:00:00 2001 +From: Stefan Liebler <stli@linux.ibm.com> +Date: Thu, 7 Feb 2019 15:18:36 +0100 +Subject: [PATCH] Add compiler barriers around modifications of the robust + mutex list for pthread_mutex_trylock. [BZ #24180] +diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c +index 8fe43b8f0f..bf2869eca2 100644 +--- a/nptl/pthread_mutex_trylock.c ++++ b/nptl/pthread_mutex_trylock.c +@@ -94,6 +94,9 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + case PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP: + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, + &mutex->__data.__list.__next); ++ /* We need to set op_pending before starting the operation. Also ++ see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); + + oldval = mutex->__data.__lock; + do +@@ -119,7 +122,12 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + /* But it is inconsistent unless marked otherwise. */ + mutex->__data.__owner = PTHREAD_MUTEX_INCONSISTENT; + ++ /* We must not enqueue the mutex before we have acquired it. ++ Also see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); + ENQUEUE_MUTEX (mutex); ++ /* We need to clear op_pending after we enqueue the mutex. */ ++ __asm ("" ::: "memory"); + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + /* Note that we deliberately exist here. If we fall +@@ -135,6 +143,8 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + int kind = PTHREAD_MUTEX_TYPE (mutex); + if (kind == PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP) + { ++ /* We do not need to ensure ordering wrt another memory ++ access. Also see comments at ENQUEUE_MUTEX. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, + NULL); + return EDEADLK; +@@ -142,6 +152,8 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + + if (kind == PTHREAD_MUTEX_ROBUST_RECURSIVE_NP) + { ++ /* We do not need to ensure ordering wrt another memory ++ access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, + NULL); + +@@ -160,6 +172,9 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + id, 0); + if (oldval != 0 && (oldval & FUTEX_OWNER_DIED) == 0) + { ++ /* We haven't acquired the lock as it is already acquired by ++ another owner. We do not need to ensure ordering wrt another ++ memory access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + return EBUSY; +@@ -173,13 +188,20 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + if (oldval == id) + lll_unlock (mutex->__data.__lock, + PTHREAD_ROBUST_MUTEX_PSHARED (mutex)); ++ /* FIXME This violates the mutex destruction requirements. See ++ __pthread_mutex_unlock_full. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + return ENOTRECOVERABLE; + } + } + while ((oldval & FUTEX_OWNER_DIED) != 0); + ++ /* We must not enqueue the mutex before we have acquired it. ++ Also see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); + ENQUEUE_MUTEX (mutex); ++ /* We need to clear op_pending after we enqueue the mutex. */ ++ __asm ("" ::: "memory"); + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + mutex->__data.__owner = id; +@@ -211,10 +233,15 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + } + + if (robust) +- /* Note: robust PI futexes are signaled by setting bit 0. */ +- THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, +- (void *) (((uintptr_t) &mutex->__data.__list.__next) +- | 1)); ++ { ++ /* Note: robust PI futexes are signaled by setting bit 0. */ ++ THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, ++ (void *) (((uintptr_t) &mutex->__data.__list.__next) ++ | 1)); ++ /* We need to set op_pending before starting the operation. Also ++ see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); ++ } + + oldval = mutex->__data.__lock; + +@@ -223,12 +250,16 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + { + if (kind == PTHREAD_MUTEX_ERRORCHECK_NP) + { ++ /* We do not need to ensure ordering wrt another memory ++ access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + return EDEADLK; + } + + if (kind == PTHREAD_MUTEX_RECURSIVE_NP) + { ++ /* We do not need to ensure ordering wrt another memory ++ access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + /* Just bump the counter. */ +@@ -250,6 +281,9 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + { + if ((oldval & FUTEX_OWNER_DIED) == 0) + { ++ /* We haven't acquired the lock as it is already acquired by ++ another owner. We do not need to ensure ordering wrt another ++ memory access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + return EBUSY; +@@ -270,6 +304,9 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + if (INTERNAL_SYSCALL_ERROR_P (e, __err) + && INTERNAL_SYSCALL_ERRNO (e, __err) == EWOULDBLOCK) + { ++ /* The kernel has not yet finished the mutex owner death. ++ We do not need to ensure ordering wrt another memory ++ access. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + return EBUSY; +@@ -287,7 +324,12 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + /* But it is inconsistent unless marked otherwise. */ + mutex->__data.__owner = PTHREAD_MUTEX_INCONSISTENT; + ++ /* We must not enqueue the mutex before we have acquired it. ++ Also see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); + ENQUEUE_MUTEX (mutex); ++ /* We need to clear op_pending after we enqueue the mutex. */ ++ __asm ("" ::: "memory"); + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + + /* Note that we deliberately exit here. If we fall +@@ -310,13 +352,20 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) + PTHREAD_ROBUST_MUTEX_PSHARED (mutex)), + 0, 0); + ++ /* To the kernel, this will be visible after the kernel has ++ acquired the mutex in the syscall. */ + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + return ENOTRECOVERABLE; + } + + if (robust) + { ++ /* We must not enqueue the mutex before we have acquired it. ++ Also see comments at ENQUEUE_MUTEX. */ ++ __asm ("" ::: "memory"); + ENQUEUE_MUTEX_PI (mutex); ++ /* We need to clear op_pending after we enqueue the mutex. */ ++ __asm ("" ::: "memory"); + THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL); + } + +From c096b008d2671028c21ac8cf01f18a2083e73c44 Mon Sep 17 00:00:00 2001 +From: Florian Weimer <fweimer@redhat.com> +Date: Fri, 8 Feb 2019 12:54:41 +0100 +Subject: [PATCH] nptl: Avoid fork handler lock for async-signal-safe fork [BZ + #24161] +--- a/nptl/register-atfork.c ++++ b/nptl/register-atfork.c +@@ -107,13 +107,14 @@ __unregister_atfork (void *dso_handle) + } + + void +-__run_fork_handlers (enum __run_fork_handler_type who) ++__run_fork_handlers (enum __run_fork_handler_type who, _Bool do_locking) + { + struct fork_handler *runp; + + if (who == atfork_run_prepare) + { +- lll_lock (atfork_lock, LLL_PRIVATE); ++ if (do_locking) ++ lll_lock (atfork_lock, LLL_PRIVATE); + size_t sl = fork_handler_list_size (&fork_handlers); + for (size_t i = sl; i > 0; i--) + { +@@ -133,7 +134,8 @@ __run_fork_handlers (enum __run_fork_handler_type who) + else if (who == atfork_run_parent && runp->parent_handler) + runp->parent_handler (); + } +- lll_unlock (atfork_lock, LLL_PRIVATE); ++ if (do_locking) ++ lll_unlock (atfork_lock, LLL_PRIVATE); + } + } + +diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c +index bd68f18b45..14b69a6f89 100644 +--- a/sysdeps/nptl/fork.c ++++ b/sysdeps/nptl/fork.c +@@ -55,7 +55,7 @@ __libc_fork (void) + but our current fork implementation is not. */ + bool multiple_threads = THREAD_GETMEM (THREAD_SELF, header.multiple_threads); + +- __run_fork_handlers (atfork_run_prepare); ++ __run_fork_handlers (atfork_run_prepare, multiple_threads); + + /* If we are not running multiple threads, we do not have to + preserve lock state. If fork runs from a signal handler, only +@@ -134,7 +134,7 @@ __libc_fork (void) + __rtld_lock_initialize (GL(dl_load_lock)); + + /* Run the handlers registered for the child. */ +- __run_fork_handlers (atfork_run_child); ++ __run_fork_handlers (atfork_run_child, multiple_threads); + } + else + { +@@ -149,7 +149,7 @@ __libc_fork (void) + } + + /* Run the handlers registered for the parent. */ +- __run_fork_handlers (atfork_run_parent); ++ __run_fork_handlers (atfork_run_parent, multiple_threads); + } + + return pid; +diff --git a/sysdeps/nptl/fork.h b/sysdeps/nptl/fork.h +index a1c3b26b68..99ed76034b 100644 +--- a/sysdeps/nptl/fork.h ++++ b/sysdeps/nptl/fork.h +@@ -52,10 +52,12 @@ enum __run_fork_handler_type + - atfork_run_child: run all the CHILD_HANDLER and unlocks the internal + lock. + - atfork_run_parent: run all the PARENT_HANDLER and unlocks the internal +- lock. */ +-extern void __run_fork_handlers (enum __run_fork_handler_type who) +- attribute_hidden; ++ lock. ++ ++ Perform locking only if DO_LOCKING. */ ++extern void __run_fork_handlers (enum __run_fork_handler_type who, ++ _Bool do_locking) attribute_hidden; + + /* C library side function to register new fork handlers. */ + extern int __register_atfork (void (*__prepare) (void), + +From 067fc32968b601493f4b247a3ac00caeea3f3d61 Mon Sep 17 00:00:00 2001 +From: Florian Weimer <fweimer@redhat.com> +Date: Fri, 15 Feb 2019 21:27:01 +0100 +Subject: [PATCH] nptl: Fix invalid Systemtap probe in pthread_join [BZ #24211] +diff --git a/nptl/pthread_join_common.c b/nptl/pthread_join_common.c +index ecb78ffba5..366feb376b 100644 +--- a/nptl/pthread_join_common.c ++++ b/nptl/pthread_join_common.c +@@ -86,6 +86,7 @@ __pthread_timedjoin_ex (pthread_t threadid, void **thread_return, + pthread_cleanup_pop (0); + } + ++ void *pd_result = pd->result; + if (__glibc_likely (result == 0)) + { + /* We mark the thread as terminated and as joined. */ +@@ -93,7 +94,7 @@ __pthread_timedjoin_ex (pthread_t threadid, void **thread_return, + + /* Store the return value if the caller is interested. */ + if (thread_return != NULL) +- *thread_return = pd->result; ++ *thread_return = pd_result; + + /* Free the TCB. */ + __free_tcb (pd); +@@ -101,7 +102,7 @@ __pthread_timedjoin_ex (pthread_t threadid, void **thread_return, + else + pd->joinid = NULL; + +- LIBC_PROBE (pthread_join_ret, 3, threadid, result, pd->result); ++ LIBC_PROBE (pthread_join_ret, 3, threadid, result, pd_result); + + return result; + } + +From bc6f839fb4066be83272c735e662850af2595777 Mon Sep 17 00:00:00 2001 +From: Stefan Liebler <stli@linux.ibm.com> +Date: Wed, 13 Mar 2019 10:45:35 +0100 +Subject: [PATCH] Fix output of LD_SHOW_AUXV=1. +diff --git a/elf/dl-sysdep.c b/elf/dl-sysdep.c +index 5f6c679a3f..5d19b100b2 100644 +--- a/elf/dl-sysdep.c ++++ b/elf/dl-sysdep.c +@@ -328,14 +328,9 @@ _dl_show_auxv (void) + assert (AT_NULL == 0); + assert (AT_IGNORE == 1); + +- if (av->a_type == AT_HWCAP || av->a_type == AT_HWCAP2 +- || AT_L1I_CACHEGEOMETRY || AT_L1D_CACHEGEOMETRY +- || AT_L2_CACHEGEOMETRY || AT_L3_CACHEGEOMETRY) +- { +- /* These are handled in a special way per platform. */ +- if (_dl_procinfo (av->a_type, av->a_un.a_val) == 0) +- continue; +- } ++ /* Some entries are handled in a special way per platform. */ ++ if (_dl_procinfo (av->a_type, av->a_un.a_val) == 0) ++ continue; + + if (idx < sizeof (auxvars) / sizeof (auxvars[0]) + && auxvars[idx].form != unknown) +diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h +index f542f7318f..dfc3b33a72 100644 +--- a/sysdeps/powerpc/dl-procinfo.h ++++ b/sysdeps/powerpc/dl-procinfo.h +@@ -225,7 +225,7 @@ _dl_procinfo (unsigned int type, unsigned long int word) + break; + } + default: +- /* This should not happen. */ ++ /* Fallback to generic output mechanism. */ + return -1; + } + _dl_printf ("\n"); +diff --git a/sysdeps/sparc/dl-procinfo.h b/sysdeps/sparc/dl-procinfo.h +index 282b8c5117..64ee267fc7 100644 +--- a/sysdeps/sparc/dl-procinfo.h ++++ b/sysdeps/sparc/dl-procinfo.h +@@ -31,8 +31,8 @@ _dl_procinfo (unsigned int type, unsigned long int word) + { + int i; + +- /* Fallback to unknown output mechanism. */ +- if (type == AT_HWCAP2) ++ /* Fallback to generic output mechanism. */ ++ if (type != AT_HWCAP) + return -1; + + _dl_printf ("AT_HWCAP: "); +diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h +index 66c00297b7..05c62c8687 100644 +--- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h ++++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h +@@ -67,7 +67,7 @@ _dl_procinfo (unsigned int type, unsigned long int word) + break; + } + default: +- /* This should not happen. */ ++ /* Fallback to generic output mechanism. */ + return -1; + } + _dl_printf ("\n"); +diff --git a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h +index 22b43431bc..0585cdaa9c 100644 +--- a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h ++++ b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h +@@ -30,8 +30,8 @@ _dl_procinfo (unsigned int type, unsigned long int word) + in the kernel sources. */ + int i; + +- /* Fallback to unknown output mechanism. */ +- if (type == AT_HWCAP2) ++ /* Fallback to generic output mechanism. */ ++ if (type != AT_HWCAP) + return -1; + + _dl_printf ("AT_HWCAP: "); +diff --git a/sysdeps/unix/sysv/linux/s390/dl-procinfo.h b/sysdeps/unix/sysv/linux/s390/dl-procinfo.h +index 19329a335b..d67fde368f 100644 +--- a/sysdeps/unix/sysv/linux/s390/dl-procinfo.h ++++ b/sysdeps/unix/sysv/linux/s390/dl-procinfo.h +@@ -32,8 +32,8 @@ _dl_procinfo (unsigned int type, unsigned long int word) + in the kernel sources. */ + int i; + +- /* Fallback to unknown output mechanism. */ +- if (type == AT_HWCAP2) ++ /* Fallback to generic output mechanism. */ ++ if (type != AT_HWCAP) + return -1; + + _dl_printf ("AT_HWCAP: "); + +From e28ad442e73b00ae2047d89c8cc7f9b2a0de5436 Mon Sep 17 00:00:00 2001 +From: TAMUKI Shoichi <tamuki@linet.gr.jp> +Date: Sat, 2 Mar 2019 21:00:28 +0900 +Subject: [PATCH] ja_JP: Change the offset for Taisho gan-nen from 2 to 1 [BZ + #24162] +diff --git a/localedata/locales/ja_JP b/localedata/locales/ja_JP +index 1fd2fee44b..9bfbb2bb9b 100644 +--- a/localedata/locales/ja_JP ++++ b/localedata/locales/ja_JP +@@ -14951,7 +14951,7 @@ era "+:2:1990//01//01:+*:<U5E73><U6210>:%EC%Ey<U5E74>";/ + "+:2:1927//01//01:1989//01//07:<U662D><U548C>:%EC%Ey<U5E74>";/ + "+:1:1926//12//25:1926//12//31:<U662D><U548C>:%EC<U5143><U5E74>";/ + "+:2:1913//01//01:1926//12//24:<U5927><U6B63>:%EC%Ey<U5E74>";/ +- "+:2:1912//07//30:1912//12//31:<U5927><U6B63>:%EC<U5143><U5E74>";/ ++ "+:1:1912//07//30:1912//12//31:<U5927><U6B63>:%EC<U5143><U5E74>";/ + "+:6:1873//01//01:1912//07//29:<U660E><U6CBB>:%EC%Ey<U5E74>";/ + "+:1:0001//01//01:1872//12//31:<U897F><U66A6>:%EC%Ey<U5E74>";/ + "+:1:-0001//12//31:-*:<U7D00><U5143><U524D>:%EC%Ey<U5E74>" + +From 0941350c20a52447e53c5169354408e3db591f73 Mon Sep 17 00:00:00 2001 +From: TAMUKI Shoichi <tamuki@linet.gr.jp> +Date: Tue, 2 Apr 2019 16:46:55 +0900 +Subject: [PATCH] ja_JP locale: Add entry for the new Japanese era [BZ #22964] +diff --git a/localedata/locales/ja_JP b/localedata/locales/ja_JP +index 9bfbb2bb9b..c64aaaff55 100644 +--- a/localedata/locales/ja_JP ++++ b/localedata/locales/ja_JP +@@ -14946,7 +14946,9 @@ am_pm "<U5348><U524D>";"<U5348><U5F8C>" + + t_fmt_ampm "%p%I<U6642>%M<U5206>%S<U79D2>" + +-era "+:2:1990//01//01:+*:<U5E73><U6210>:%EC%Ey<U5E74>";/ ++era "+:2:2020//01//01:+*:<U4EE4><U548C>:%EC%Ey<U5E74>";/ ++ "+:1:2019//05//01:2019//12//31:<U4EE4><U548C>:%EC<U5143><U5E74>";/ ++ "+:2:1990//01//01:2019//04//30:<U5E73><U6210>:%EC%Ey<U5E74>";/ + "+:1:1989//01//08:1989//12//31:<U5E73><U6210>:%EC<U5143><U5E74>";/ + "+:2:1927//01//01:1989//01//07:<U662D><U548C>:%EC%Ey<U5E74>";/ + "+:1:1926//12//25:1926//12//31:<U662D><U548C>:%EC<U5143><U5E74>";/ + +From 52b7cd6e9a701bb203023d56e84551943dc6a4c0 Mon Sep 17 00:00:00 2001 +From: Adam Maris <amaris@redhat.com> +Date: Thu, 14 Mar 2019 16:51:16 -0400 +Subject: [PATCH] malloc: Check for large bin list corruption when inserting + unsorted chunk +diff --git a/malloc/malloc.c b/malloc/malloc.c +index feaf7ee0bf..ce771375b6 100644 +--- a/malloc/malloc.c ++++ b/malloc/malloc.c +@@ -3876,10 +3876,14 @@ _int_malloc (mstate av, size_t bytes) + { + victim->fd_nextsize = fwd; + victim->bk_nextsize = fwd->bk_nextsize; ++ if (__glibc_unlikely (fwd->bk_nextsize->fd_nextsize != fwd)) ++ malloc_printerr ("malloc(): largebin double linked list corrupted (nextsize)"); + fwd->bk_nextsize = victim; + victim->bk_nextsize->fd_nextsize = victim; + } + bck = fwd->bk; ++ if (bck->fd != fwd) ++ malloc_printerr ("malloc(): largebin double linked list corrupted (bk)"); + } + } + else + +From c6177be4b92d5d7df50a785652d1912db511423e Mon Sep 17 00:00:00 2001 +From: Andreas Schwab <schwab@suse.de> +Date: Wed, 15 May 2019 17:09:05 +0200 +Subject: [PATCH] Fix crash in _IO_wfile_sync (bug 20568) +diff --git a/libio/wfileops.c b/libio/wfileops.c +index 78f20486e5..bab2ba4892 100644 +--- a/libio/wfileops.c ++++ b/libio/wfileops.c +@@ -508,11 +508,12 @@ _IO_wfile_sync (FILE *fp) + generate the wide characters up to the current reading + position. */ + int nread; +- ++ size_t wnread = (fp->_wide_data->_IO_read_ptr ++ - fp->_wide_data->_IO_read_base); + fp->_wide_data->_IO_state = fp->_wide_data->_IO_last_state; + nread = (*cv->__codecvt_do_length) (cv, &fp->_wide_data->_IO_state, + fp->_IO_read_base, +- fp->_IO_read_end, delta); ++ fp->_IO_read_end, wnread); + fp->_IO_read_ptr = fp->_IO_read_base + nread; + delta = -(fp->_IO_read_end - fp->_IO_read_base - nread); + } + +From e3f828b8bd6e21922da8be8dee35edef09382d8d Mon Sep 17 00:00:00 2001 +From: Mark Wielaard <mark@klomp.org> +Date: Wed, 15 May 2019 17:14:01 +0200 +Subject: [PATCH] dlfcn: Guard __dlerror_main_freeres with __libc_once_get + (once) [BZ#24476] +diff --git a/dlfcn/dlerror.c b/dlfcn/dlerror.c +index 27376582d0..ca42c126c1 100644 +--- a/dlfcn/dlerror.c ++++ b/dlfcn/dlerror.c +@@ -72,9 +72,16 @@ __dlerror (void) + __libc_once (once, init); + + /* Get error string. */ +- result = (struct dl_action_result *) __libc_getspecific (key); +- if (result == NULL) +- result = &last_result; ++ if (static_buf != NULL) ++ result = static_buf; ++ else ++ { ++ /* init () has been run and we don't use the static buffer. ++ So we have a valid key. */ ++ result = (struct dl_action_result *) __libc_getspecific (key); ++ if (result == NULL) ++ result = &last_result; ++ } + + /* Test whether we already returned the string. */ + if (result->returned != 0) +@@ -230,13 +237,19 @@ free_key_mem (void *mem) + void + __dlerror_main_freeres (void) + { +- void *mem; + /* Free the global memory if used. */ + check_free (&last_result); +- /* Free the TSD memory if used. */ +- mem = __libc_getspecific (key); +- if (mem != NULL) +- free_key_mem (mem); ++ ++ if (__libc_once_get (once) && static_buf == NULL) ++ { ++ /* init () has been run and we don't use the static buffer. ++ So we have a valid key. */ ++ void *mem; ++ /* Free the TSD memory if used. */ ++ mem = __libc_getspecific (key); ++ if (mem != NULL) ++ free_key_mem (mem); ++ } + } + + struct dlfcn_hook *_dlfcn_hook __attribute__((nocommon)); + +From 95d66fecaabbc92ab53027e808f0fc1929c9f21a Mon Sep 17 00:00:00 2001 +From: Wilco Dijkstra <wdijkstr@arm.com> +Date: Fri, 10 May 2019 16:38:21 +0100 +Subject: [PATCH] Fix tcache count maximum (BZ #24531) +diff --git a/malloc/malloc.c b/malloc/malloc.c +index ce771375b6..0abd653be2 100644 +--- a/malloc/malloc.c ++++ b/malloc/malloc.c +@@ -2919,6 +2919,8 @@ typedef struct tcache_perthread_struct + tcache_entry *entries[TCACHE_MAX_BINS]; + } tcache_perthread_struct; + ++#define MAX_TCACHE_COUNT 127 /* Maximum value of counts[] entries. */ ++ + static __thread bool tcache_shutting_down = false; + static __thread tcache_perthread_struct *tcache = NULL; + +@@ -5124,8 +5126,11 @@ static inline int + __always_inline + do_set_tcache_count (size_t value) + { +- LIBC_PROBE (memory_tunable_tcache_count, 2, value, mp_.tcache_count); +- mp_.tcache_count = value; ++ if (value <= MAX_TCACHE_COUNT) ++ { ++ LIBC_PROBE (memory_tunable_tcache_count, 2, value, mp_.tcache_count); ++ mp_.tcache_count = value; ++ } + return 1; + } + +From 34fb5f61d3c3f4b8fc616ea259fa19168b58ecd4 Mon Sep 17 00:00:00 2001 +From: "Dmitry V. Levin" <ldv@altlinux.org> +Date: Wed, 13 Feb 2019 01:20:51 +0000 +Subject: [PATCH] libio: do not attempt to free wide buffers of legacy streams + [BZ #24228] +diff --git a/libio/genops.c b/libio/genops.c +index 2a0d9b81df..11a15549e8 100644 +--- a/libio/genops.c ++++ b/libio/genops.c +@@ -789,9 +789,16 @@ _IO_unbuffer_all (void) + + for (fp = (FILE *) _IO_list_all; fp; fp = fp->_chain) + { ++ int legacy = 0; ++ ++#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) ++ if (__glibc_unlikely (_IO_vtable_offset (fp) != 0)) ++ legacy = 1; ++#endif ++ + if (! (fp->_flags & _IO_UNBUFFERED) + /* Iff stream is un-orientated, it wasn't used. */ +- && fp->_mode != 0) ++ && (legacy || fp->_mode != 0)) + { + #ifdef _IO_MTSAFE_IO + int cnt; +@@ -805,7 +812,7 @@ _IO_unbuffer_all (void) + __sched_yield (); + #endif + +- if (! dealloc_buffers && !(fp->_flags & _IO_USER_BUF)) ++ if (! legacy && ! dealloc_buffers && !(fp->_flags & _IO_USER_BUF)) + { + fp->_flags |= _IO_USER_BUF; + +@@ -816,7 +823,7 @@ _IO_unbuffer_all (void) + + _IO_SETBUF (fp, NULL, 0); + +- if (fp->_mode > 0) ++ if (! legacy && fp->_mode > 0) + _IO_wsetb (fp, NULL, NULL, 0); + + #ifdef _IO_MTSAFE_IO +@@ -827,7 +834,8 @@ _IO_unbuffer_all (void) + + /* Make sure that never again the wide char functions can be + used. */ +- fp->_mode = -1; ++ if (! legacy) ++ fp->_mode = -1; + } + + #ifdef _IO_MTSAFE_IO + |