On 2024-05-28 1:35 p.m., Hadley Wickham wrote:
Hi all,
When I run the following code, R segfaults:
text <- "×"
srcfile <- srcfilecopy("test.r", text)
parse(textConnection(text), srcfile = srcfile)
It doesn't segfault if text is ASCII, or it's not wrapped in
textConnection, or srcfile isn't set.
I also see the segfault on
R version 4.4.0 (2024-04-24) -- "Puppy Cup"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: aarch64-apple-darwin20
Apple shows me this stack trace:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_platform.dylib 0x189364904 _platform_strlen + 4
1 libR.dylib 0x10380a954 Rf_mkChar + 20
(envir.c:4076)
2 libR.dylib 0x10385e3ac finalizeData + 1516
3 libR.dylib 0x10385d6dc R_Parse + 924
(gram.c:4215)
4 libR.dylib 0x1038f4a6c do_parse + 1260
(source.c:294)
5 libR.dylib 0x10383ac4c bcEval_loop +
40204 (eval.c:8141)
6 libR.dylib 0x10382356c bcEval + 684
(eval.c:7524)
7 libR.dylib 0x103822c6c Rf_eval + 556
(eval.c:1167)
8 libR.dylib 0x10382582c R_execClosure +
812 (eval.c:2398)
9 libR.dylib 0x103824924 applyClosure_core
+ 164 (eval.c:2311)
10 libR.dylib 0x103822f08 Rf_applyClosure +
20 (eval.c:2333) [inlined]
11 libR.dylib 0x103822f08 Rf_eval + 1224
(eval.c:1285)
12 libR.dylib 0x10387f8f8 R_ReplDLLdo1 + 440
(main.c:398)
13 R 0x102d22fa0
run_REngineRmainloop + 260
14 R 0x102d1a64c -[REngine runREPL]
+ 124
15 R 0x102d0dd90 main + 588
16 dyld 0x188fae0e0 start + 2360
Duncan Murdoch
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