| Issue |
83167
|
| Summary |
Invalid regex literal causes Swift REPL to segfault
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
bbrk24
|
```
1> let rgx = #/(.)(?<!.*\1.*\1)/#PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/lldb(+0x22923)[0x564ff284c923]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/lldb(+0x20cbe)[0x564ff284acbe]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/lldb(+0x22f5a)[0x564ff284cf5a]
/lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7faf277a0520]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/../lib/../lib/swift/linux/libswiftCore.so(+0x3ef004)[0x7faf274e1004]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/../lib/../lib/swift/linux/libswiftCore.so(+0x416e96)[0x7faf27508e96]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/../lib/../lib/swift/linux/libswiftCore.so(swift_getWitnessTable+0x1393)[0x7faf275006b3]
/home/bbrk24/swift/swift-5.9-RELEASE-ubuntu22.04/usr/bin/../lib/liblldb.so.13git(+0x19aa84a)[0x7faf296b984a]
💣 Program crashed: Bad pointer dereference at 0x0000000000000000
Thread 22 "gger.io-handler" crashed:
0 0x00007faf274e1004
Segmentation fault
```
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