1869
6%
master: 33%

Ran 23 Apr 2018 05:32AM UTC

Jobs 1

Files 218

Run time 38s

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Build # 1869

Build Type

cron

travis-ci

Committed by Andrei Vagin

Commit Message

files: fix clone_service_fd overlap handling

Though LOG_FD_OFF < IMG_FD_OFF, get_service_fd(LOG_FD_OFF) is > than
get_service_fd(IMG_FD_OFF), see __get_service_fd, so the check here
should be twisted. Also add bug_on to track possible __get_service_fd
change which can break these check again.

We have a problem when USERNSD_SK replaces LOG_FD_OFF, latter when
writing to log, instead we actually send crazy commands to usernsd,
which fails to handle them and BUGs or crashes.

https://jira.sw.ru/browse/PSBM-83472

Also we had similar problem when __userns_call receives bad repsonse,
likely it has the same background:

https://api.travis-ci.org/v3/job/352164661/log.txt

fixes commit 129bb14611c3 ("files: Prepare clone_service_fd() for
overlaping ranges.")

v2: move BUG_ON to main() to check it only once, use min+1 and max-1

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

Run Details

20894 of 33053 relevant lines covered (63.21%)

67407.56 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
15	1869.15 (TR_ARCH=local GCOV=1)	23 Apr 2018 05:32AM UTC	0	63.21	Travis Job 1869.15

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