linux-kernel - [PROBLEM linux-next] Segfault while building headers with dpkg-deb

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Message-ID: <2c8833e1-1995-4f49-804a-705ab9e702a5@gmail.com>
Date: Fri, 28 Jun 2024 20:58:37 +0200
From: Mirsad Todorovac <mtodorovac69@...il.com>
To: Linux Kernel Build System <linux-kbuild@...r.kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PROBLEM linux-next] Segfault while building headers with dpkg-deb

Hi all,

On the vanilla linux-next tree, branch next-20240627, there happens to be a bug while building
with the randconfig seed KCONFIG_SEED=0x90E8E591:

  .
  .
  .
  XZ      debian/linux-image-6.10.0-rc5-next-20240627-dirty/lib/modules/6.10.0-rc5-next-20240627-dirty/kernel/samples/trace_events/trace-events-sample.ko.xz
  XZ      debian/linux-image-6.10.0-rc5-next-20240627-dirty/lib/modules/6.10.0-rc5-next-20240627-dirty/kernel/samples/trace_events/trace_custom_sched.ko.xz
  XZ      debian/linux-image-6.10.0-rc5-next-20240627-dirty/lib/modules/6.10.0-rc5-next-20240627-dirty/kernel/samples/ftrace/sample-trace-array.ko.xz
  XZ      debian/linux-image-6.10.0-rc5-next-20240627-dirty/lib/modules/6.10.0-rc5-next-20240627-dirty/kernel/samples/fprobe/fprobe_example.ko.xz
dpkg-deb: building package 'linux-libc-dev' in '../linux-libc-dev_6.10.0-rc5-45_i386.deb'.
  DEPMOD  debian/linux-image-6.10.0-rc5-next-20240627-dirty/lib/modules/6.10.0-rc5-next-20240627-dirty
dpkg-deb: building package 'linux-headers-6.10.0-rc5-next-20240627-dirty' in '../linux-headers-6.10.0-rc5-next-20240627-dirty_6.10.0-rc5-45_i386.deb'.
Segmentation fault (core dumped)
make[6]: *** [scripts/Makefile.modinst:128: depmod] Error 139
make[5]: *** [Makefile:1842: modules_install] Error 2
make[4]: *** [Makefile:2058: run-command] Error 2
make[3]: *** [debian/rules:61: binary-image] Error 2
make[3]: *** Waiting for unfinished jobs....
dpkg-deb: building package 'linux-image-6.10.0-rc5-next-20240627-dirty-dbg' in '../linux-image-6.10.0-rc5-next-20240627-dirty-dbg_6.10.0-rc5-45_i386.deb'.
dpkg-buildpackage: error: make -f debian/rules binary subprocess returned exit status 2
make[2]: *** [scripts/Makefile.package:121: bindeb-pkg] Error 2
make[1]: *** [/home/marvin/linux/kernel/linux-next/Makefile:1555: bindeb-pkg] Error 2
make: *** [Makefile:240: __sub-make] Error 2

Build log and .config are attached at your convenience.

Hope this helps.

Best regards,
Mirsad Todorovac
View attachment ".config" of type "text/plain" (138681 bytes)

View attachment "err-6.10-rc5-next-20240627-30.log" of type "text/x-log" (816138 bytes)