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timeout in waiting for rekeying process #604

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0x87e5 opened this issue Jul 23, 2024 · 2 comments
Open

timeout in waiting for rekeying process #604

0x87e5 opened this issue Jul 23, 2024 · 2 comments

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@0x87e5
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0x87e5 commented Jul 23, 2024

I encountered an issue while using the JSch SFTP functionality. After running my program for an extended period, I received the following error:
image
Upon examining the JSch source code, it appears to be a bug. The kex_start_time variable in Session.java should be volatile. Additionally, on line 846 of Session.java, the assignment of kex_start_time should occur before the assignment of in_kex to avoid a timeout misjudgment in the Session.write function.
norrisjeremy added a commit to norrisjeremy/jsch that referenced this issue Jul 23, 2024
@norrisjeremy
mwiede#604 Fix possible rekeying timeouts.
a1f8b09
@norrisjeremy norrisjeremy mentioned this issue Jul 23, 2024
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@norrisjeremy
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Hi @0x87e5,

I've opened #605 to incorporate your suggested change.

Thanks,
Jeremy

@norrisjeremy
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Hi @0x87e5,

Can you confirm the 0.2.19 JSch release fixes the issue you encountered?

Thanks,
Jeremy

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@norrisjeremy @0x87e5