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[tor-bugs] #27670 [Core Tor/Tor]: Memleak on tor master 95fcad4088eba52e
#27670: Memleak on tor master 95fcad4088eba52e
------------------------------+-------------------------------------------
Reporter: dgoulet | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone: Tor: 0.3.5.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Keywords: regression, memleak, 035-must
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
------------------------------+-------------------------------------------
On latest master, normal client starts with a Ctrl+C. Notice the "Listener
on ???:0" which seems to me the end of a list we fail to recognize? And
then the memleak.
{{{
Sep 12 15:21:48.615 [notice] Tor 0.3.5.0-alpha-dev (git-95fcad4088eba52e)
running on Linux with Libevent 2.1.8-stable, OpenSSL 1.1.0h, Zlib 1.2.11,
Liblzma 5.2.2, and Libzstd N/A.
Sep 12 15:21:48.615 [notice] Tor can't help you if you use it wrong! Learn
how to be safe at https://www.torproject.org/download/download#warning
Sep 12 15:21:48.615 [notice] This version is not a stable Tor release.
Expect more bugs than usual.
Sep 12 15:21:48.615 [notice] Read configuration file
"/home/dgoulet/temp/tor/torrc".
Sep 12 15:21:48.618 [warn] ControlPort is open, but no authentication
method has been configured. This means that any program on your computer
can reconfigure your Tor. That's bad! You should upgrade your Tor
controller as soon as possible.
Sep 12 15:21:48.619 [notice] Opening Socks listener on 127.0.0.1:9250
Sep 12 15:21:48.620 [notice] Opened Socks listener on 127.0.0.1:9250
Sep 12 15:21:48.620 [notice] Opening Socks listener on
/home/dgoulet/temp/tor/client/socks.sock
Sep 12 15:21:48.620 [notice] Opened Socks listener on ???:0
Sep 12 15:21:48.620 [notice] Opening Control listener on 127.0.0.1:9051
Sep 12 15:21:48.620 [notice] Opened Control listener on 127.0.0.1:9051
Sep 12 15:21:48.620 [notice] Opening Control listener on
/home/dgoulet/temp/tor/client/control.sock
Sep 12 15:21:48.620 [notice] Opened Control listener on ???:0
^C
=================================================================
==22622==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x7fd64617ef30 in __interceptor_malloc (/usr/lib/x86_64-linux-
gnu/libasan.so.5+0xedf30)
#1 0x555bb37c2caa in tor_malloc_ src/lib/malloc/malloc.c:45
#2 0x555bb37be8e5 in smartlist_new
src/lib/smartlist_core/smartlist_core.c:28
#3 0x555bb3689c2d in retry_all_listeners
src/core/mainloop/connection.c:2831
#4 0x555bb312bcbd in retry_listeners_callback
src/core/mainloop/main.c:2342
#5 0x555bb31427fe in periodic_event_dispatch
src/core/mainloop/periodic.c:56
#6 0x7fd645ab4a10 (/usr/lib/x86_64-linux-
gnu/libevent-2.1.so.6+0x1ea10)
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x7fd64617ef30 in __interceptor_malloc (/usr/lib/x86_64-linux-
gnu/libasan.so.5+0xedf30)
#1 0x555bb37c2caa in tor_malloc_ src/lib/malloc/malloc.c:45
#2 0x555bb37be8e5 in smartlist_new
src/lib/smartlist_core/smartlist_core.c:28
#3 0x555bb3689c2d in retry_all_listeners
src/core/mainloop/connection.c:2831
#4 0x555bb363108b in options_act_reversible
src/app/config/config.c:1493
#5 0x555bb363108b in set_options src/app/config/config.c:903
#6 0x555bb363b827 in options_init_from_string
src/app/config/config.c:5466
#7 0x555bb363ce10 in options_init_from_torrc
src/app/config/config.c:5230
#8 0x555bb31401d8 in tor_init src/core/mainloop/main.c:3540
#9 0x555bb3141b00 in tor_run_main src/core/mainloop/main.c:4275
#10 0x555bb312b9ab in tor_main src/feature/api/tor_api.c:164
#11 0x555bb31268bb in main src/app/main/tor_main.c:32
#12 0x7fd64443309a in __libc_start_main (/lib/x86_64-linux-
gnu/libc.so.6+0x2409a)
Indirect leak of 128 byte(s) in 1 object(s) allocated from:
#0 0x7fd64617ef30 in __interceptor_malloc (/usr/lib/x86_64-linux-
gnu/libasan.so.5+0xedf30)
#1 0x555bb37c2caa in tor_malloc_ src/lib/malloc/malloc.c:45
#2 0x555bb37c2d41 in tor_malloc_zero_ src/lib/malloc/malloc.c:71
#3 0x555bb37be999 in smartlist_new
src/lib/smartlist_core/smartlist_core.c:31
#4 0x555bb3689c2d in retry_all_listeners
src/core/mainloop/connection.c:2831
#5 0x555bb312bcbd in retry_listeners_callback
src/core/mainloop/main.c:2342
#6 0x555bb31427fe in periodic_event_dispatch
src/core/mainloop/periodic.c:56
#7 0x7fd645ab4a10 (/usr/lib/x86_64-linux-
gnu/libevent-2.1.so.6+0x1ea10)
Indirect leak of 128 byte(s) in 1 object(s) allocated from:
#0 0x7fd64617ef30 in __interceptor_malloc (/usr/lib/x86_64-linux-
gnu/libasan.so.5+0xedf30)
#1 0x555bb37c2caa in tor_malloc_ src/lib/malloc/malloc.c:45
#2 0x555bb37c2d41 in tor_malloc_zero_ src/lib/malloc/malloc.c:71
#3 0x555bb37be999 in smartlist_new
src/lib/smartlist_core/smartlist_core.c:31
#4 0x555bb3689c2d in retry_all_listeners
src/core/mainloop/connection.c:2831
#5 0x555bb363108b in options_act_reversible
src/app/config/config.c:1493
#6 0x555bb363108b in set_options src/app/config/config.c:903
#7 0x555bb363b827 in options_init_from_string
src/app/config/config.c:5466
#8 0x555bb363ce10 in options_init_from_torrc
src/app/config/config.c:5230
#9 0x555bb31401d8 in tor_init src/core/mainloop/main.c:3540
#10 0x555bb3141b00 in tor_run_main src/core/mainloop/main.c:4275
#11 0x555bb312b9ab in tor_main src/feature/api/tor_api.c:164
#12 0x555bb31268bb in main src/app/main/tor_main.c:32
#13 0x7fd64443309a in __libc_start_main (/lib/x86_64-linux-
gnu/libc.so.6+0x2409a)
SUMMARY: AddressSanitizer: 288 byte(s) leaked in 4 allocation(s).
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27670>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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