shadow / shadow

Shadow is a discrete-event network simulator that directly executes real application code, enabling you to simulate distributed systems with thousands of network-connected processes in realistic and scalable private network experiments using your laptop, desktop, or server running Linux.

https://shadow.github.io

shadow/shadow Issues

Consider changing config code to use figment
Updated 5 days ago
Simulations limited by `PID_MAX_LIMIT`
Updated a month ago6
Support fstat on pipes
Updated a month ago
Implement the splice syscall
Updated a month ago1
kill syscall handler incorrectly assumes pgid=pid
Updated 2 months ago
Go tests segfault with Go 1.21 (Fedora 38 and 39)
Closed 2 months ago4
UDP has a weird edge-triggered EPOLLOUT behavior in Linux
Updated 3 months ago
crash: rootedcell "Dropped without calling `safely_drop`"
Closed 4 months ago9
Snowflake simulation fails to dial OR port
Updated 4 months ago8
"thread has no syscall_condition" warning during fork-shadow test
Updated 4 months ago
`posix_spawn` fails starting in glibc-2.38
Closed 4 months ago2
The 'fork-linux' test is flaky
Closed 4 months ago
Decide policy on stub implementations (syscalls, sockopts, flags, etc)
Updated 4 months ago2
Partial read triggers an event in Shadow, but not Linux
Closed 4 months ago2
Cannot include structs with bitfields in linux-api
Updated 5 months ago
Update versions of tools used in CI
Closed 5 months ago
Upgrade nix version in tests
Updated 5 months ago
Doc improvements before the NSF project wrap-up
Updated 5 months ago1
Intercept /proc/sys/kernel/random/uuid
Updated 5 months ago6
Add docs about language and testing expectations for new PRs
Closed 5 months ago1
Document that Shadow usually doesn't perform shell expansion in the config file
Updated 5 months ago
Fork test fails when perf timers are enabled
Updated 6 months ago
Cannot disable perf timers after enabling
Updated 6 months ago
Log file size problem
Closed 6 months ago2
Plugin makes 6 extra syscalls for every "gettimeofday" call
Updated 6 months ago
Update rust ffi code to use `C-unwind`
Closed 7 months ago1
Test all documentation examples in the CI
Updated 7 months ago1
Consider removing the `--summarize` rust test option
Updated 7 months ago
Loopback interface should use a larger MTU
Updated 7 months ago1
UDP max payload size should depend on the MTU
Updated 7 months ago
Graceful shutdown of simulations
Updated 8 months ago
Fix example tor simulation documentation
Closed 8 months ago
Implement vfork syscall
Closed 8 months ago4
Bitflags and unknown bits
Updated 8 months ago
Support tor test suite
Updated 8 months ago6
Run Arti in Shadow's simple Tor test
Updated 8 months ago1
Support nanosecond precision in pcap files
Updated 8 months ago
Shadow doesn't build in directories with whitespace, quotes, colons, or semicolons
Updated 8 months ago
Support nginx workers
Updated 8 months ago
Support linux kernel self tests
Updated 8 months ago
Implement execveat
Updated 8 months ago
Support operations on unnamed pipes used by common unix utilities
Updated 8 months ago
Shadow panics if a packet is sent to an unknown IP address
Updated 8 months ago
Replace the C `Packet` with a rust version
Updated 8 months ago
ICMP packet support
Updated 8 months ago
Make it easier to diagnose missing managed process missing runtime deps
Updated 8 months ago9
Improve strace formatting in shim
Updated 9 months ago
Shadow allows overlapping local addresses
Updated 9 months ago
Sending packets from sockets bound to 0.0.0.0
Updated 9 months ago
Large socket buffers with fifo queueing causes sockets to stall
Updated 9 months ago