[CRIU] [PATCH v5 2/8] criu: slightly refactor memory dump to support delaying it

[Andrew Vagin]

On Wed, Jul 06, 2016 at 09:59:27AM +0300, Pavel Emelyanov wrote:
> OK, this happened to be simpler than I thought yesterday.
> This one applied ... meanwhile %)
> 

========================== Run zdtm/static/env00 in h ==========================
Start test
./env00 --pidfile=env00.pid --outfile=env00.out --envname=ENV_00_TEST
Run criu pre-dump
################# Test zdtm/static/env00 FAIL at CRIU pre-dump #################
Wait for zdtm/static/env00 to die for 0.100000
##################################### FAIL #####################################

Program terminated with signal SIGSEGV, Segmentation fault.
#0  page_xfer_dump_pages (xfer=xfer at entry=0x7fff71e71450, pp=0x0, off=off at entry=0) at page-xfer.c:361
361		list_for_each_entry(ppb, &pp->bufs, l) {
Missing separate debuginfos, use: dnf debuginfo-install glibc-2.23.1-8.fc24.x86_64 libnl3-3.2.27-3.fc24.x86_64 libselinux-2.5-3.fc24.x86_64 pcre-8.39-2.fc24.x86_64 protobuf-c-1.2.1-1.fc24.x86_64
(gdb) bt
#0  page_xfer_dump_pages (xfer=xfer at entry=0x7fff71e71450, pp=0x0, off=off at entry=0) at page-xfer.c:361
#1  0x00000000004357c2 in cr_pre_dump_finish (ret=0) at cr-dump.c:1458
#2  cr_pre_dump_tasks (pid=pid at entry=24) at cr-dump.c:1556
#3  0x000000000041f6b5 in main (argc=<optimized out>, argv=0x7fff71e71658, envp=<optimized out>) at crtools.c:753

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