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Maniphest T4219

Git SSH can get stuck in a loop with a broken pipe?
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Description

Caught a spinning process:

dweller   3272 97.8  0.2 218184 20564 ?        Rs   05:17 721:00 php /core/lib/phabricator/bin/ssh-exec --phabricator-ssh-user chad

strace:

select(8, [], [7], [7], {1, 0})         = 1 (out [7], left {0, 999998})
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
write(7, "fatal: The remote end hung up un"..., 43) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0

Revisions and Commits

rPHU libphutil
D7748rPHU69490c53c9c2 Work around broken PHP fwrite() on nonblocking pipes

Event Timeline

epriestley created this task.Dec 8 2013, 5:37 PM
epriestley raised the priority of this task from to Normal.
epriestley updated the task description. (Show Details)
epriestley added a project: Diffusion.
epriestley added a subscriber: epriestley.
epriestley edited this Maniphest Task.Dec 9 2013, 4:35 PM
epriestley edited this Maniphest Task.Dec 9 2013, 9:23 PM
epriestley closed this task as Resolved.Dec 9 2013, 9:23 PM

Closed by commit rPHU69490c53c9c2.

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