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Re: [tor-bugs] #24555 [Core Tor/Tor]: Bug: tor_gmtime_r overflow - gmtime(9223372036854775807) failed with error No error
#24555: Bug: tor_gmtime_r overflow - gmtime(9223372036854775807) failed with error
No error
-------------------------------------------------+-------------------------
Reporter: s7r | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone: Tor:
| 0.3.3.x-final
Component: Core Tor/Tor | Version: Tor:
| unspecified
Severity: Normal | Resolution:
Keywords: integer-overflow time-overflow tor- | Actual Points:
relay 2038-problem |
Parent ID: #18480 | Points:
Reviewer: | Sponsor:
-------------------------------------------------+-------------------------
Comment (by arma):
Third trace (tried to compile everything with -O0, to get fewer 'optimized
out' issues):
{{{
#2 0x00007ff9f999abe6 in correct_tm (islocal=0, timep=0x7fff876aa808,
resultbuf=<value optimized out>, r=<value optimized out>)
at src/common/compat.c:2974
#3 0x00007ff9f99adc5c in format_iso_time (
buf=0x7fff876aa950 "2018-01-25 17:00:00", t=9223372036854775807)
at src/common/util.c:1777
#4 0x00007ff9f98b17e6 in update_consensus_router_descriptor_downloads (
now=1515229986, is_vote=-2023053008, consensus=0x7ffa1543b260)
at src/or/routerlist.c:5217
#5 0x00007ff9f98b1c80 in update_all_descriptor_downloads (now=1515229986)
at src/or/routerlist.c:4562
#6 0x00007ff9f985f660 in directory_info_has_arrived (now=1515229986,
from_cache=0, suppress_logs=0) at src/or/main.c:1116
#7 0x00007ff9f9943b6d in handle_response_fetch_consensus (
conn=<value optimized out>) at src/or/directory.c:2631
#8 connection_dir_client_reached_eof (conn=<value optimized out>)
at src/or/directory.c:2487
#9 connection_dir_reached_eof (conn=<value optimized out>)
at src/or/directory.c:3357
#10 0x00007ff9f9918d15 in connection_reached_eof (conn=0x7ffa20acaa30)
at src/or/connection.c:4696
#11 connection_handle_read_impl (conn=0x7ffa20acaa30)
at src/or/connection.c:3503
#12 connection_handle_read (conn=0x7ffa20acaa30) at
src/or/connection.c:3516
#13 0x00007ff9f9862811 in conn_read_callback (fd=<value optimized out>,
event=<value optimized out>, _conn=0x7ffa20acaa30) at
src/or/main.c:861
#14 0x00007ff9f9a0e414 in event_persist_closure ()
#15 0x00007ff9f9a0e725 in event_process_active_single_queue ()
#16 0x00007ff9f9a0edb5 in event_process_active ()
#17 0x00007ff9f9a0f519 in event_base_loop ()
#18 0x00007ff9f985fa8b in run_main_loop_once () at src/or/main.c:2780
#19 run_main_loop_until_done () at src/or/main.c:2852
#20 do_main_loop () at src/or/main.c:2735
#21 0x00007ff9f986006b in tor_run_main (tor_cfg=<value optimized out>)
at src/or/main.c:4016
#22 0x00007ff9f985a953 in tor_main (argc=3, argv=0x7fff876ab008)
at src/or/tor_api.c:84
#23 0x00007ff9f985a7e9 in main (argc=<value optimized out>,
argv=<value optimized out>) at src/or/tor_main.c:22
}}}
It's clear there's some corruption going on somewhere.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24555#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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