* Crash by update of shared libraries
@ 2014-02-18 19:54 Florent Fourcot
2014-02-18 20:27 ` Florent Fourcot
0 siblings, 1 reply; 2+ messages in thread
From: Florent Fourcot @ 2014-02-18 19:54 UTC (permalink / raw)
To: linux-kernel
Hello,
my system crash by libraries update. Some steps to reproduce the
bug (without crash of the all system):
$ export LD_PRELOAD=./libfake.so.1
$ cp libfake.so.1 /tmp/
$ cp /tmp/libfake.so.1 .
=> Bus error
The cp crash, since the file of the loaded library changed (and the copy
failed of course, the new file is now empty).
All software with a library loaded (with ld) will crash as well (for
example by system updating of the libc: the pid 1 will crash).
Tested on a Linux kernel 3.14.0-rc3.
Regards,
--
Florent.
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