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authorFlorian Weimer <fweimer@redhat.com>2017-06-09 13:21:43 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-06-09 13:21:43 +0200
commitb8d2e394a2900cef5bbbe0503f15960f64a943b1 (patch)
treef06ad146a222f9db21064a1e0df02151e9a2780e
parent34b6f41c14d09fe627c6a6224880d76d0959079e (diff)
downloadglibc-b8d2e394a2900cef5bbbe0503f15960f64a943b1.tar.gz
fork: Remove bogus parent PID assertions [BZ #21386]
(cherry picked from commit 1d2bc2eae969543b89850e35e532f3144122d80a)
-rw-r--r--ChangeLog7
-rw-r--r--NEWS1
-rw-r--r--sysdeps/nptl/fork.c8
3 files changed, 8 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index 290515a58e..d44aff0a36 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-05-12 Florian Weimer <fweimer@redhat.com>
+
+ [BZ #21386]
+ * sysdeps/nptl/fork.c (__libc_fork): Remove assertions on the
+ parent PID. The assertion in the child is incorrect with PID
+ namespaces.
+
2017-03-15 Joseph Myers <joseph@codesourcery.com>
* sysdeps/x86/fpu/test-math-vector-sincos.h (INIT_VEC_PTRS_LOOP):
diff --git a/NEWS b/NEWS
index fee1cf8ca8..d52872323d 100644
--- a/NEWS
+++ b/NEWS
@@ -14,6 +14,7 @@ The following bugs are resolved with this release:
[21109] Tunables broken on big-endian
[21115] sunrpc: Use-after-free in error path in clntudp_call
[21289] Fix symbol redirect for fts_set
+ [21386] Assertion in fork for distinct parent PID is incorrect
Version 2.25
diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c
index db6d721fce..4bb87e2331 100644
--- a/sysdeps/nptl/fork.c
+++ b/sysdeps/nptl/fork.c
@@ -131,10 +131,6 @@ __libc_fork (void)
call_function_static_weak (__malloc_fork_lock_parent);
}
-#ifndef NDEBUG
- pid_t ppid = THREAD_GETMEM (THREAD_SELF, tid);
-#endif
-
#ifdef ARCH_FORK
pid = ARCH_FORK ();
#else
@@ -147,8 +143,6 @@ __libc_fork (void)
{
struct pthread *self = THREAD_SELF;
- assert (THREAD_GETMEM (self, tid) != ppid);
-
/* See __pthread_once. */
if (__fork_generation_pointer != NULL)
*__fork_generation_pointer += __PTHREAD_ONCE_FORK_GEN_INCR;
@@ -230,8 +224,6 @@ __libc_fork (void)
}
else
{
- assert (THREAD_GETMEM (THREAD_SELF, tid) == ppid);
-
/* Release acquired locks in the multi-threaded case. */
if (multiple_threads)
{