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os.networkInterfaces uses uninitialized memory #23043

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tniessen opened this issue Sep 23, 2018 · 1 comment
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os.networkInterfaces uses uninitialized memory #23043

tniessen opened this issue Sep 23, 2018 · 1 comment
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libuv Issues and PRs related to the libuv dependency or the uv binding. os Issues and PRs related to the os subsystem.

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@tniessen
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  • Version: master
  • Platform: Linux 4.4.0-042stab133.2 x86_64 x86_64 x86_64 GNU/Linux
  • Subsystem: libuv / os

Virtual network interfaces do not always get a hardware address assigned on Unix:

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0  Mask:255.255.255.255
          inet6 addr: ::2/128 Scope:Compat
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1

uv_interface_addresses does not initialize the phys_addr member in those cases. os.networkInterfaces still returns a mac property for those interfaces which relies on uninitialized memory and can thus contain any value. I guess this will need to be fixed in libuv first, or is there a way to detect whether the phys_addr field was initialized by libuv?

cc @nodejs/libuv
@addaleax addaleax added os Issues and PRs related to the os subsystem. libuv Issues and PRs related to the libuv dependency or the uv binding. labels Sep 23, 2018
@cjihrig cjihrig mentioned this issue Sep 24, 2018
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@cjihrig
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cjihrig commented Sep 25, 2018

Reopening until the next libuv update.

@cjihrig cjihrig reopened this Sep 25, 2018
@lundibundi lundibundi mentioned this issue Sep 25, 2018
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4 tasks
cjihrig added a commit to cjihrig/node that referenced this issue Oct 8, 2018
@cjihrig
deps: upgrade to libuv 1.23.2
8d645ef 
Fixes: nodejs#23043
Fixes: nodejs#21773
Fixes: nodejs#16601
Fixes: nodejs#22999
Fixes: nodejs#23219
Fixes: nodejs#23066
Fixes: nodejs#23067
Fixes: nodejs#23089
@cjihrig cjihrig mentioned this issue Oct 8, 2018
Closed
4 tasks
@Trott Trott closed this as completed in c65a523 Oct 9, 2018
targos pushed a commit that referenced this issue Oct 10, 2018
@cjihrig @targos
deps: upgrade to libuv 1.23.2
76cb52c 
PR-URL: #23336
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Fixes: #23043
Fixes: #21773
Fixes: #16601
Fixes: #22999
Fixes: #23219
Fixes: #23066
Fixes: #23067
Fixes: #23089
jasnell pushed a commit that referenced this issue Oct 17, 2018
@cjihrig @jasnell
deps: upgrade to libuv 1.23.2
f9d79ea 
PR-URL: #23336
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Fixes: #23043
Fixes: #21773
Fixes: #16601
Fixes: #22999
Fixes: #23219
Fixes: #23066
Fixes: #23067
Fixes: #23089
MylesBorins pushed a commit to MylesBorins/node that referenced this issue Nov 5, 2018
@cjihrig @MylesBorins
deps: upgrade to libuv 1.23.2
437f4fc 
PR-URL: nodejs#23336
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Fixes: nodejs#23043
Fixes: nodejs#21773
Fixes: nodejs#16601
Fixes: nodejs#22999
Fixes: nodejs#23219
Fixes: nodejs#23066
Fixes: nodejs#23067
Fixes: nodejs#23089
MylesBorins pushed a commit that referenced this issue Nov 11, 2018
@cjihrig @MylesBorins
deps: upgrade to libuv 1.23.2
62dd1d7 
Backport-PR-URL: #24103
PR-URL: #23336
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Fixes: #23043
Fixes: #21773
Fixes: #16601
Fixes: #22999
Fixes: #23219
Fixes: #23066
Fixes: #23067
Fixes: #23089
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deps: upgrade to libuv 1.23.2 cjihrig/node
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