1494052 - After each ASan Nightly update remain one zombie process.

Status: RESOLVED DUPLICATE of bug 1626682

(Core :: DOM: Content Processes, defect)

Description

[Mikhail]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0
Build ID: 20180925100100

Steps to reproduce:

Just update browser and see how many zombie processes are remain after update.


Actual results:

$ ps aux | grep defu
mikhail   4488  0.0  0.0 213216   832 pts/19   S+   21:02   0:00 grep --color=auto defu
mikhail   6520  0.0  0.0      0     0 pts/3    ZN+  Sep23   0:00 [firefox] <defunct>
mikhail  18867  0.0  0.0      0     0 pts/3    ZN+  08:09   0:00 [firefox] <defunct>
mikhail  26897  0.0  0.0      0     0 pts/3    ZN+  19:51   0:00 [firefox] <defunct>


Expected results:

No zombie processes after update.

Comment 1

[Sylvestre Ledru [:Sylvestre]]

is it a regression?

Comment 2

[Mikhail]

Attachment: Screenshot from 2018-12-28 16-56-38.png

Comment 3

[Mikhail]

(In reply to Sylvestre Ledru [:sylvestre] from comment #1)
> is it a regression?

Hey, you ask me? I don't know.


$ Downloads/firefox/firefox
*** You are running in chaos test mode. See ChaosMode.h. ***
IPDL protocol Error: Received an invalid file descriptor
IPDL protocol Error: Received an invalid file descriptor
IPDL protocol Error: Received an invalid file descriptor
IPDL protocol Error: Received an invalid file descriptor
IPDL protocol Error: Received an invalid file descriptor
Attempting load of libEGL.so

=================================================================
==20045==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 832 byte(s) in 1 object(s) allocated from:
    #0 0x5636a04e95f3  (/home/mikhail/Downloads/firefox/updates/0/updater+0xcf5f3)
    #1 0x5636a0528898  (/home/mikhail/Downloads/firefox/updates/0/updater+0x10e898)
    #2 0x5636a0525585  (/home/mikhail/Downloads/firefox/updates/0/updater+0x10b585)
    #3 0x7fa4e46c6582  (/lib64/libpthread.so.0+0x8582)

SUMMARY: AddressSanitizer: 832 byte(s) leaked in 1 allocation(s).

Comment 4

[Mike Conley (:mconley) (:⚙️)]

Are you still seeing this, Mikhail?

Comment 5

[Mikhail]

(In reply to Mike Conley (:mconley) (:⚙️) from comment #4)

Are you still seeing this, Mikhail?

   4459 pts/5    Ss     0:00 bash GJS_DEBUG_TOPICS=JS ERROR;JS LOG SSH_AUTH_SOCK=/run/user/1000/keyring/ssh SESSION_MANAGER=local/unix:@/tmp/.ICE-unix/2284,unix/unix:/tmp/.ICE-unix/2284 GNOME_TERMINAL_SCREEN=/org/gnome/Terminal/screen/9c8
 319005 pts/5    SNl+  22:25  \_ /home/mikhail/Downloads/firefox/firefox-bin SHELL=/bin/bash SESSION_MANAGER=local/unix:@/tmp/.ICE-unix/2284,unix/unix:/tmp/.ICE-unix/2284 COLORTERM=truecolor HISTCONTROL=ignoredups XDG_MENU_PREFIX=gnome- H
 667243 pts/5    ZN+    0:00      \_ [pingsender] <defunct>
 667270 pts/5    ZN+    0:00      \_ [MainThread] <defunct>
 667481 pts/5    SNl+   1:44      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -parentBuildID 20200713095122 -prefsLen 1 -prefMapSize 232218 -appdir /home/mikhail/Downloads/firefox/browser 319005 gpu ASAN_REPORTER_PATH=/hom
 667695 pts/5    SNl+   0:00      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -parentBuildID 20200713095122 -prefsLen 52 -prefMapSize 232218 -appdir /home/mikhail/Downloads/firefox/browser 319005 socket ASAN_REPORTER_PATH=
 667956 pts/5    SNl+   0:08      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -childID 1 -isForBrowser -prefsLen 319 -prefMapSize 232218 -parentBuildID 20200713095122 -appdir /home/mikhail/Downloads/firefox/browser 319005 
 668369 pts/5    SNl+   0:05      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -childID 2 -isForBrowser -prefsLen 542 -prefMapSize 232218 -parentBuildID 20200713095122 -appdir /home/mikhail/Downloads/firefox/browser 319005 
 668370 pts/5    SNl+   0:37      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -childID 3 -isForBrowser -prefsLen 542 -prefMapSize 232218 -parentBuildID 20200713095122 -appdir /home/mikhail/Downloads/firefox/browser 319005 
 668377 pts/5    SNl+   0:37      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -childID 4 -isForBrowser -prefsLen 542 -prefMapSize 232218 -parentBuildID 20200713095122 -appdir /home/mikhail/Downloads/firefox/browser 319005 
 668506 pts/5    SNl+   0:12      \_ /home/mikhail/Downloads/firefox/firefox-bin -contentproc -childID 5 -isForBrowser -prefsLen 6716 -prefMapSize 232218 -parentBuildID 20200713095122 -appdir /home/mikhail/Downloads/firefox/browser 319005