2015-09-22 13:18 GMT+02:00 Colin Watson <[email protected]>:
>
> On Tue, Sep 22, 2015 at 11:32:51AM +0200, Yvan Coene wrote:
> > A stale NFS file handle on a VirtualBox host shared with a Debian guest
> > under /usr/global results in `man` segfaulting at startup on the guest:
> >
> >     ycoene@debian:~$ strace man man
> >
> >     [...]
> >
> >     lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> >     lstat64("/usr/share", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
> >     lstat64("/usr/share/man", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> >     lstat64("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> >     lstat64("/usr/global", 0xbfb37db0)      = -1 EPROTO (Protocol error)
> >     --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
> >     +++ killed by SIGSEGV +++
> >     Segmentation fault
>
> This is difficult for me to reproduce locally.  Could you please run
> "strace -o man.trace -s 1024 man -d man" and attach the resulting
> man.trace file to this bug, to give me the best chance of working out
> where this crash happens?

Here you are.

Attachment: man.trace
Description: Binary data

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