Package: libc6 Version: 2.24-10 Severity: normal Tags: patch Hi,
there is a duplicate from mainstream bugzilla: https://sourceware.org/bugzilla/show_bug.cgi?id=21386 Pid caching is backported in Debian, but there is a small leftover. The patch is available in mainstream git: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d2bc2eae969543b89850e35e532f3144122d80a Could you please to backport it in Debian? ** The problem description *** Here is a small program which triggers an assertion in glibc. $ cat test.c #define _GNU_SOURCE #include <sys/types.h> #include <sys/wait.h> #include <sched.h> #include <unistd.h> #include <stdio.h> int main() { int i; for (i = 0; i < 2; i++) { pid_t pid; unshare(CLONE_NEWPID); pid = fork(); printf("%d: %d\n", getpid(), pid); } while (wait(NULL) > 0); return 0; } $ gcc test.c -Wall -o t && ./t 25131: 25132 25131: 25133 2: 0 1: 0 1: 3 t: ../sysdeps/nptl/fork.c:156: __libc_fork: Assertion `THREAD_GETMEM (self, tid) != ppid' failed. Thanks, Kirill --- System information. --- Architecture: Kernel: Linux 4.11.0+ Debian Release: 9.0 500 unstable ftp.ru.debian.org 500 testing ftp.ru.debian.org 500 stable-updates ftp.ru.debian.org 500 stable security.debian.org 500 stable repo.skype.com 500 stable ftp.ru.debian.org 1 experimental ftp.ru.debian.org --- Package information. --- Package's Depends field is empty. Package's Recommends field is empty. Package's Suggests field is empty.
