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Author vstinner
Recipients Arfrever, jonash, pitrou, python-dev, vapier, vstinner
Date 2011-04-25.01:18:40
SpamBayes Score 0.009688376
Marked as misclassified No
Message-id <1303694321.09.0.66664545224.issue11915@psf.upfronthosting.co.za>
In-reply-to
Content 
If the child program is static, sandbox protects it using a tracing mechanism (based on ptrace with PTRACE_SYSCALL). Output is debug mode:

trace_main tracing: ./static
TRACE (pid=10377):trace_main: parent waiting for child (pid=10378) to signal
TRACE (pid=10378):trace_main: child setting up ...
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGSTOP(19)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGCONT(18)
TRACE (pid=10377):trace_loop: >IDK:62TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
(...pre-exec...) = ...
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
TRACE (pid=10377):trace_loop: >IDK:11TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
(...pre-exec...) = ...
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
TRACE (pid=10377):trace_loop: >IDK:3TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
(...pre-exec...) = ...
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 0
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 0
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 0
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 36896768
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 36901248
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 0
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 37036416
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 37040128
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = 1264893952
TRACE (pid=10377):trace_child_signal: got sig SIGCHLD(17): code:CLD_TRAPPED(4) status:SIGTRAP(5)
 = -1 (errno: 38: Function not implemented)
History
Date User Action Args
2011-04-25 01:18:41vstinnersetrecipients: + vstinner, pitrou, vapier, Arfrever, jonash, python-dev
2011-04-25 01:18:41vstinnersetmessageid: <1303694321.09.0.66664545224.issue11915@psf.upfronthosting.co.za>
2011-04-25 01:18:40vstinnerlinkissue11915 messages
2011-04-25 01:18:40vstinnercreate