diff options
Diffstat (limited to 'nixpkgs/pkgs/tools/compression/pxz/_SC_ARG_MAX.patch')
| -rw-r--r-- | nixpkgs/pkgs/tools/compression/pxz/_SC_ARG_MAX.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/compression/pxz/_SC_ARG_MAX.patch b/nixpkgs/pkgs/tools/compression/pxz/_SC_ARG_MAX.patch new file mode 100644 index 000000000000..fac8f1fc147c --- /dev/null +++ b/nixpkgs/pkgs/tools/compression/pxz/_SC_ARG_MAX.patch @@ -0,0 +1,36 @@ +From b8f9827fc4de9296c7a6f5e6fdac46e070cd6cb4 Mon Sep 17 00:00:00 2001 +From: Igor Pashev <pashev.igor@gmail.com> +Date: Sat, 1 Nov 2014 18:10:05 +0300 +Subject: [PATCH] Fixed crash on Linux when stack size is unlimited + +--- + pxz.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/pxz.c b/pxz.c +index 9cb843e..52713e2 100644 +--- a/pxz.c ++++ b/pxz.c +@@ -65,7 +65,7 @@ FILE **ftemp; + char str[0x100]; + char buf[BUFFSIZE]; + char *xzcmd; +-size_t xzcmd_max; ++const size_t xzcmd_max = 10240; + + unsigned opt_complevel = 6, opt_stdout, opt_keep, opt_threads, opt_verbose; + unsigned opt_force, opt_stdout; +@@ -243,9 +243,12 @@ int main( int argc, char **argv ) { + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + lzma_options_lzma lzma_options; + +- xzcmd_max = sysconf(_SC_ARG_MAX); + page_size = sysconf(_SC_PAGE_SIZE); + xzcmd = malloc(xzcmd_max); ++ if (!xzcmd) { ++ fprintf(stderr, "Failed to allocate %lu bytes for xz command.\n", xzcmd_max); ++ return -1; ++ } + snprintf(xzcmd, xzcmd_max, XZ_BINARY); + + parse_args(argc, argv); |