2155
6%
master: 33%

Ran 25 Jul 2018 05:39AM UTC

Jobs 1

Files 217

Run time 24s

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Build # 2155

Build Type

cron

travis-ci

Committed by Andrei Vagin

Commit Message

mount: fix segmentation fault in can_mount_now on no mnt_master

In resolve_shared_mounts there are cases when we have m->master_id > 0
but m->mnt_master is not set, it happens for cases where we have no
access to master mount, for instance CT root m->parent==NULL or when
mount is external. In can_mount_now  for such master mounts we don't
need to check mounted state also, so just use "if(mi->mnt_master)"
condition instead of "if(mi->master_id > 0)" to fix segfault.

https://jira.sw.ru/browse/PSBM-86978

Program terminated with signal 11, Segmentation fault.
0x000000000046328b in can_mount_now (mi=0x2155970) at criu/mount.c:2699
2699	list_for_each_entry(c, &mi->mnt_master->children, siblings)

(gdb) p mi->mnt_master
$2 = (struct mount_info	*) 0x0

Fixes commit 3a02362c5be1 ("mount: fix can_mount_now to wait children of
master's share properly")

Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

Run Details

21026 of 32520 relevant lines covered (64.66%)

723794.95 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
14	2155.14 (TR_ARCH=local GCOV=1)	25 Jul 2018 05:39AM UTC	0	64.66	Travis Job 2155.14

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