openwall / openwall/john

ETA for restored fork/node sessions disappears after a while

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#4,591 11 comments 0 reactions 0 assignees View on GitHub

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bug
Dominant language
C
Stars
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Forks
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Description

Run this command
OMP_NUM_THREADS=1 john --format=descrypt '-2=[opqrstuvwxyz0123456789]' -1=?l?d --min-len=1 --mask=?2?1?1?1?1?1?1?u --node=16-47/47 --fork=32 ./test.pwd --session=test

After some time Ctr+c and restore session with:
john --restore=test
Session restores correctly but after a while ETA/% changes to N/A:
Zrzut ekranu 2021-03-4 o 18 17 47

test.pwd.zip

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First steps

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Research direction

Reproduce the issue with the supplied john command, interrupt it with Ctrl+C, and restore it with john --restore=test. Start by tracing the restored session's ETA and progress reporting, including the --node and --fork options. Done means the restored session continues to show valid ETA and percentage values instead of changing to N/A.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
cli
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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