------- Comment From jre...@de.ibm.com 2024-10-24 11:26 EDT------- Maybe related to this debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1079105
** Bug watch added: Debian Bug tracker #1079105 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1079105 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2085548 Title: [UBUNTU 24.10] bash printf of floating point value fails on Ubuntu 24.10 Status in linux package in Ubuntu: New Bug description: == Comment: #1 - Boris Barth <boris.m...@de.ibm.com> - 2024-10-24 09:55:01 == ---Problem Description--- bash printf of floating point value fails on Ubuntu 24.10 ---uname output--- Linux tuxmaker 6.11.0-8-generic #8-Ubuntu SMP Mon Sep 16 12:49:35 UTC 2024 s390x s390x s390x GNU/Linux Machine Type = IBM z16 Model A01 ---Steps to Reproduce--- Ubuntu 24.10 on s390x: $ bash -c "printf '%f\n' 1.1" [1] 3372599 segmentation fault bash -c "printf '%f\n' 1.1" Ubuntu 24.10 on x86-64: $ docker run -it --rm public.ecr.aws/docker/library/ubuntu:24.10 root@99a22af7f0f4:/# bash -c "printf '%f\n' 1.1" nan It used to work on Ubuntu 24.04 on x86-64 (and s390x): $ docker run -it --rm public.ecr.aws/docker/library/ubuntu:24.04 root@61fbb357246c:/# bash -c "printf '%f\n' 1.1" 1.100000 In GDB on Ubuntu 24.10 on s390x: ... Program received signal SIGSEGV, Segmentation fault. Download failed: Invalid argument. Continuing without source file ./stdio-common/vfprintf-internal.c. 0x000003fff7d716fc in __printf_buffer (buf=buf@entry=0x3ffffff9240, format=format@entry=0x2aa001ad000 "%.3Lf", ap=ap@entry=0x3ffffff9398, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:996 warning: 996 vfprintf-internal.c: No such file or directory (gdb) x/i $pc => 0x3fff7d716fc <__printf_buffer+1308>: ld %f1,0(%r7) (gdb) p/x $r7 $1 = 0x2 (gdb) disassm __printf_buffer ... 0x000003fff7d716f6 <+1302>: lg %r7,0(%r1) => 0x000003fff7d716fc <+1308>: ld %f1,0(%r7) ... (gdb) p/x $r1 $2 = 0x3ffffff93e0 (gdb) p/x *(uint64_t *)$r1 $3 = 0x2 Userspace tool obtained from project website: na Userspace tool common name: bash Userspace package version: 5.2.32-1ubuntu1 The userspace tool has the following bit modes: 64-bit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2085548/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
