On 10/04/2017 11:56 PM, John Paul Adrian Glaubitz wrote:
On 10/04/2017 11:49 PM, John Paul Adrian Glaubitz wrote:
I can trigger the problem by switching between 4.12 and 4.13, 4.12 is fin while 4.13 is broken.
Ok, switching just the initrd to the one from 4.13 while keeping the 4.12 kernel
image results in the same crash. Maybe the glibc is broken?
I have tracked it down to busybox which was recently upgraded to 1.27.2 in Debian [1].
busybox_1:1.22.0-17:
root@pacman:~/rootskel/src/sbin# ls -l /root/sh
lrwxrwxrwx 1 root root 12 Oct 5 00:18 /root/sh -> /bin/busybox
root@pacman:~/rootskel/src/sbin# /root/sh ./reopen-console-linux
./reopen-console-linux: exec: line 74: /sbin/steal-ctty: not found
root@pacman:~/rootskel/src/sbin#
Despite the error messages, the above behavior is correct.
busybox_1:1.27.2-1:
root@pacman:~/rootskel/src/sbin# /root/sh ./reopen-console-linux
./reopen-console-linux: line 74: syntax error: unterminated quoted string
root@pacman:~/rootskel/src/sbin#
Now we need to find out whether busybox was either miscompiled or
whether the new upstream version is broken. I will recompile the
old version with gcc-7 next.
Adrian
[1] https://packages.qa.debian.org/b/busybox/news/20170917T171907Z.html
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