[GHC] #12664: System.Environment.withArgs and friends leak memory
#12664: System.Environment.withArgs and friends leak memory -------------------------------------+------------------------------------- Reporter: simonmar | Owner: Type: bug | Status: new Priority: normal | Milestone: 8.0.2 Component: | Version: 8.0.1 libraries/base | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- `ArgvLeak.hs`: {{{ import System.Environment main :: IO () main = withArgs ["a","b","c"] $ return () }}} repro: {{{
ghc ArgvLeak.hs [1 of 1] Compiling Main ( ArgvLeak.hs, ArgvLeak.o ) Linking ArgvLeak ... valgrind --leak-check=full ./ArgvLeak ==27227== Memcheck, a memory error detector ==27227== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==27227== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==27227== Command: ./ArgvLeak ==27227== ==27227== Warning: set address range perms: large range [0x200000000, 0x600100000) (noaccess) ==27227== ==27227== HEAP SUMMARY: ==27227== in use at exit: 107 bytes in 9 blocks ==27227== total heap usage: 62 allocs, 53 frees, 60,175 bytes allocated ==27227== ==27227== 55 (40 direct, 15 indirect) bytes in 1 blocks are definitely lost in loss record 6 of 6 ==27227== at 0x4C2FB55: calloc (in /usr/lib/valgrind /vgpreload_memcheck-amd64-linux.so) ==27227== by 0x470057: stgCallocBytes (RtsUtils.c:107) ==27227== by 0x4652C1: copyArgv (RtsFlags.c:1811) ==27227== by 0x465FAE: setProgArgv (RtsFlags.c:1877) ==27227== by 0x41CC4A: base_SystemziEnvironment_zdLr7BcsetProgArgv_info (in /home/smarlow/scratch/ArgvLeak) ==27227== ==27227== LEAK SUMMARY: ==27227== definitely lost: 40 bytes in 1 blocks ==27227== indirectly lost: 15 bytes in 4 blocks ==27227== possibly lost: 0 bytes in 0 blocks ==27227== still reachable: 52 bytes in 4 blocks ==27227== suppressed: 0 bytes in 0 blocks ==27227== Reachable blocks (those to which a pointer was found) are not shown. ==27227== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==27227== ==27227== For counts of detected and suppressed errors, rerun with: -v ==27227== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) }}}
-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12664 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12664: System.Environment.withArgs and friends leak memory -------------------------------------+------------------------------------- Reporter: simonmar | Owner: niteria Type: bug | Status: new Priority: normal | Milestone: 8.0.2 Component: libraries/base | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by niteria): * owner: => niteria -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12664#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12664: System.Environment.withArgs and friends leak memory
-------------------------------------+-------------------------------------
Reporter: simonmar | Owner: niteria
Type: bug | Status: new
Priority: normal | Milestone: 8.0.2
Component: libraries/base | Version: 8.0.1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
-------------------------------------+-------------------------------------
Comment (by Bartosz Nitka
#12664: System.Environment.withArgs and friends leak memory -------------------------------------+------------------------------------- Reporter: simonmar | Owner: niteria Type: bug | Status: merge Priority: normal | Milestone: 8.0.2 Component: libraries/base | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by niteria): * status: new => merge -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12664#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12664: System.Environment.withArgs and friends leak memory -------------------------------------+------------------------------------- Reporter: simonmar | Owner: niteria Type: bug | Status: closed Priority: normal | Milestone: 8.0.2 Component: libraries/base | Version: 8.0.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: merge => closed * resolution: => fixed Comment: This was merged to `ghc-8.0` as b08ffec0aa9cf88ff47fd71d0c6e61d3a31d7b0d. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12664#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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