libjemalloc2 hangs when used with fakechroot in some cases
Bug #1826883 reported by
Dan Streetman
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| jemalloc (Debian) |
Fix Released
|
Unknown
|
|||
| jemalloc (Ubuntu) |
Fix Released
|
Medium
|
Unassigned | ||
| Cosmic |
Won't Fix
|
Medium
|
Unassigned | ||
Bug Description
[impact]
under some circumstances, libjemalloc2 hangs when used with fakechroot
[test case]
as noted in debian bug 918742:
> apt install libfakechroot libjemalloc2
> LD_PRELOAD=
> <hangs>
[regression potential]
this patch is already included in disco and later; regression potential should be low. Regressions would likely result in more/different hangs.
[other info]
this patch is already included in disco/eoan.
In bionic and earlier, jemalloc does not hook the _Unwind_Backtrace function. This hook appears to be what introduces the problem, and jemalloc only starts hooking the function in cosmic.
also see bug 1826929
| description: | updated |
| Changed in jemalloc (Ubuntu): | |
| status: | New → Fix Released |
| Changed in jemalloc (Ubuntu Cosmic): | |
| assignee: | nobody → Dan Streetman (ddstreet) |
| importance: | Undecided → Low |
| status: | New → In Progress |
| importance: | Low → Medium |
| description: | updated |
| description: | updated |
Revision history for this message
| Dan Streetman (ddstreet) wrote | #1 |
| summary: |
- libjemalloc2 hangs on arm64 in some cases + libjemalloc2 hangs when used with fakechroot in some cases |
| description: | updated |
| description: | updated |
| Changed in jemalloc (Debian): | |
| status: | Unknown → Fix Released |
| Changed in jemalloc (Ubuntu): | |
| importance: | Undecided → Medium |
| Changed in jemalloc (Ubuntu Cosmic): | |
| status: | In Progress → Won't Fix |
| assignee: | Dan Streetman (ddstreet) → nobody |
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I marked debian-bug 918742 as being the upstream for this, but technically that bug was against fakechroot and the only change was to disable the hanging test; however jemalloc2 in debian did fix this, and the changelog entry for the fix only mentions that debian bug.