Public bug reported:
[Impact]
Apport will write an empty core dump file inside of containers.
[Test plan]
Run following testcase script inside a LXC container:
```
rm -f /var/lib/apport/coredump/*
ulimit -c 1000000
sleep 86400 &
killall -3 sleep
```
Apport will write a core dump into /var/lib/apport/coredump, but this
core dump is empty:
```
$ stat /var/lib/apport/coredump/core._usr_bin_sleep.*
File:
/var/lib/apport/coredump/core._usr_bin_sleep.0.44f483a1-e487-44b3-88d1-805d1026f31d.9059.34839819
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: fd00h/64768d Inode: 120848663 Links: 1
Access: (0400/-r--------) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2022-07-22 07:54:48.838682067 +0000
Modify: 2022-07-22 07:54:48.838682067 +0000
Change: 2022-07-22 07:54:48.838682067 +0000
Birth: 2022-07-22 07:54:48.838682067 +0000
```
This file should not be empty.
[Other Info]
The autopkgtest for armhf are run inside a LXC container and the test
case test_core_dump_packaged_sigquit triggers this bug.
** Affects: apport
Importance: Medium
Status: Triaged
** Affects: apport (Ubuntu)
Importance: Medium
Status: Triaged
** Changed in: apport
Importance: Undecided => Medium
** Changed in: apport
Status: New => Triaged
** Also affects: apport (Ubuntu)
Importance: Undecided
Status: New
** Changed in: apport (Ubuntu)
Status: New => Triaged
** Changed in: apport (Ubuntu)
Importance: Undecided => Medium
--
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https://bugs.launchpad.net/bugs/1982555
Title:
core dump file empty inside container
Status in Apport:
Triaged
Status in apport package in Ubuntu:
Triaged
Bug description:
[Impact]
Apport will write an empty core dump file inside of containers.
[Test plan]
Run following testcase script inside a LXC container:
```
rm -f /var/lib/apport/coredump/*
ulimit -c 1000000
sleep 86400 &
killall -3 sleep
```
Apport will write a core dump into /var/lib/apport/coredump, but this
core dump is empty:
```
$ stat /var/lib/apport/coredump/core._usr_bin_sleep.*
File:
/var/lib/apport/coredump/core._usr_bin_sleep.0.44f483a1-e487-44b3-88d1-805d1026f31d.9059.34839819
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: fd00h/64768d Inode: 120848663 Links: 1
Access: (0400/-r--------) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2022-07-22 07:54:48.838682067 +0000
Modify: 2022-07-22 07:54:48.838682067 +0000
Change: 2022-07-22 07:54:48.838682067 +0000
Birth: 2022-07-22 07:54:48.838682067 +0000
```
This file should not be empty.
[Other Info]
The autopkgtest for armhf are run inside a LXC container and the test
case test_core_dump_packaged_sigquit triggers this bug.
To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1982555/+subscriptions
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