Issues

• Request for a New CSmith Release

  csmith-project/csmith#184 · Filter by author nnarayanamurthy opened on Oct 14, 2026

• No parsing for --max_params

  Bug
  Bug

  csmith-project/csmith#183 · Filter by author kartoschatatoscha opened on Jun 22, 2026
  1

• Increasing --max-block-depth results in incredibly long generation times

  csmith-project/csmith#174 · Filter by author john-h-k opened on Mar 26, 2025
  1

  

• Is --float broken?

  csmith-project/csmith#172 · Filter by author pmatos opened on Jun 28, 2024
  4

• generate crash: Statement.cpp:927: void Statement::post_creation_analysis(vector<const Fact *> &, const Effect &, CGContext &) const: Assertion `0' failed.

  csmith-project/csmith#170 · Filter by author sendaoYan opened on Mar 8, 2024
  1

• generate testcase has undefind-behavior address points to the zero page seed=1494517028

  csmith-project/csmith#169 · Filter by author sendaoYan opened on Feb 29, 2024

• generate crash: StatementIf.cpp:85: static StatementIf *StatementIf::make_random(CGContext &): Assertion `ok' failed. on linux-aarch64

  csmith-project/csmith#168 · Filter by author sendaoYan opened on Feb 26, 2024

• generate testcase stuck seed=1905137519 on linux x86-64

  csmith-project/csmith#167 · Filter by author sendaoYan opened on Feb 21, 2024
  1

• testcase generated by by csmith contains sanitize error(undefined-behavior): store to misaligned address and unsigned integer overflow

  csmith-project/csmith#153 · Filter by author sendaoYan opened on Oct 18, 2023
  1

• --dfs-exhaustive/--max-exhaustive-depth do not appear to work

  Bug
  csmith-project/csmith#152 · Filter by author dgopstein opened on Aug 8, 2023
  1

• embed.cs.utah.edu/csmith is gone

  Bug
  csmith-project/csmith#149 · Filter by author amonakov opened on Jun 11, 2023
  9

  

• Is the mechanism to ensure effect safety is flow-insensitive ?

  csmith-project/csmith#147 · Filter by author Absoler opened on Apr 29, 2022
  1

• A null-pointer-dereference bug in csmith

  csmith-project/csmith#146 · Filter by author shao-hua-li opened on Mar 23, 2022

• Defining max/min number of for loop iterations

  csmith-project/csmith#142 · Filter by author dejangrubisic opened on Feb 12, 2022

• Generate specific statement

  csmith-project/csmith#141 · Filter by author jordiae opened on Oct 13, 2021

• Install instructions incomplete

  csmith-project/csmith#140 · Filter by author kaddkaka opened on Sep 8, 2021
  1

• csmith --lang-cpp --cpp11 -s 13102469174949929466 generate stuck

  csmith-project/csmith#136 · Filter by author yansendao opened on May 11, 2021

• testcase generate with "csmith --float -s 8642168180452144185" ASAN compalint MemorySanitizer: use-of-uninitialized-value

  csmith-project/csmith#135 · Filter by author yansendao opened on Apr 25, 2021
  1

• testcase generate with csmith --float --strict-float oad of misaligned address for type 'const float' Seed=1692891924876124

  csmith-project/csmith#133 · Filter by author yansendao opened on Apr 6, 2021

• testcase generate with csmith --float warning: implicit conversion of out of range value from 'double' to 'uint32_t' (aka 'unsigned int') is undefined

  csmith-project/csmith#132 · Filter by author yansendao opened on Mar 25, 2021
  6

• testcase generate with csmith --float undefined-behavior: incompatible pointer types passing 'float *' to parameter of type 'char *'

  csmith-project/csmith#131 · Filter by author yansendao opened on Mar 24, 2021
  2

• testcase generate with csmith --float undefined-behavior: -7.30288e+18 is outside the range of representable values of type 'int'

  csmith-project/csmith#130 · Filter by author yansendao opened on Mar 23, 2021
  4

• testcase generate with csmith --lang-cpp --cpp11 --float compile error: cannot convert ‘float*’ to ‘char*’

  csmith-project/csmith#129 · Filter by author yansendao opened on Mar 23, 2021
  1

  

• seed=1839948606588443 generate empty testcase

  csmith-project/csmith#128 · Filter by author yansendao opened on Mar 13, 2021
  2

• testcase generate with --builtins --type-attributes --label-attributes --variable-attributes --int128 --uint128 --binary-constant -s 1617250954692878 sanitize runtime error: passing zero to ctz(), which is not a valid argument

  csmith-project/csmith#126 · Filter by author yansendao opened on Mar 4, 2021
  1