diff options
Diffstat (limited to 'gnu/packages/patches')
| -rw-r--r-- | gnu/packages/patches/mailutils-uninitialized-memory.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gnu/packages/patches/mailutils-uninitialized-memory.patch b/gnu/packages/patches/mailutils-uninitialized-memory.patch new file mode 100644 index 0000000000..ef4daf94cb --- /dev/null +++ b/gnu/packages/patches/mailutils-uninitialized-memory.patch @@ -0,0 +1,87 @@ +Without this patch, the MH test suite would fail when building with +glibc 2.26, with 'ali' segfaulting like this: + + Core was generated by `/tmp/guix-build-mailutils-3.4.drv-0/mailutils-3.4/mh/.libs/ali -a ./Mail/mh_ali'. + Program terminated with signal SIGSEGV, Segmentation fault. + #0 0x00007f8eac263a14 in hash ( + name=0x72642e342e332d73 <error: Cannot access memory at address 0x72642e342e332d73>, hash_num=0) at assoc.c:102 + 102 for (i = 0; *name; name++) + (gdb) bt + #0 0x00007f8eac263a14 in hash ( + name=0x72642e342e332d73 <error: Cannot access memory at address 0x72642e342e332d73>, hash_num=0) at assoc.c:102 + #1 0x00007f8eac263e6b in assoc_find_slot (assoc=0xaa59e0, + name=0x72642e342e332d73 <error: Cannot access memory at address 0x72642e342e332d73>, install=0x0, slot=0x7ffcddcbf2b8) at assoc.c:219 + #2 0x00007f8eac264124 in mu_assoc_lookup (assoc=0xaa59e0, + name=0x72642e342e332d73 <error: Cannot access memory at address 0x72642e342e332d73>, dataptr=0x7ffcddcbf2e0) at assoc.c:308 + #3 0x00007f8eac29e8ac in mu_ident_deref ( + name=0x72642e342e332d73 <error: Cannot access memory at address 0x72642e342e332d73>) at ident.c:98 + #4 0x00007f8eac29f8a6 in mu_locus_point_deinit (pt=0xaa5718) at locus.c:48 + #5 0x00007f8eac29fa1b in mu_locus_range_deinit (lr=0xaa5718) at locus.c:99 + #6 0x00007f8eac29f9db in mu_locus_range_copy (dest=0xaa5718, + src=0x622be0 <ali_yylloc>) at locus.c:89 + #7 0x0000000000408a2a in push_source (name=0xaa74bc "mh_aliases2", fail=1) + at mh_alias_lex.l:170 + +commit b330af9008e4c9168b379867b854f5900a539ad7 +Author: Sergey Poznyakoff <gray@gnu.org> +Date: Sat Nov 18 10:15:48 2017 +0200 + + Fix the use of uninitialized memory + + * mh/mh_alias_lex.l (push_source): Initialize locus range prior to copying + to it. + * libmailutils/cfg/parser.y (mu_cfg_tree_create_node): Likewise. + * libmu_sieve/util.c: (mu_sieve_value_create): Likewise. + +diff --git a/libmailutils/cfg/parser.y b/libmailutils/cfg/parser.y +index 4503c7781..3436b8d90 100644 +--- a/libmailutils/cfg/parser.y ++++ b/libmailutils/cfg/parser.y +@@ -1134,10 +1134,9 @@ mu_cfg_tree_create_node (struct mu_cfg_tree *tree, + + np = mu_alloc (size); + np->type = type; ++ mu_locus_range_init (&np->locus); + if (loc) + mu_locus_range_copy (&np->locus, loc); +- else +- memset (&np->locus, 0, sizeof np->locus); + p = (char*) (np + 1); + np->tag = p; + strcpy (p, tag); +diff --git a/libmu_sieve/sieve-lex.l b/libmu_sieve/sieve-lex.l +index fd145bfe1..f14e80194 100644 +--- a/libmu_sieve/sieve-lex.l ++++ b/libmu_sieve/sieve-lex.l +@@ -190,6 +190,7 @@ push_source (const char *name) + { + ctx = mu_sieve_malloc (mu_sieve_machine, sizeof (*ctx)); + ctx->trk = trk; ++ mu_locus_range_init (&ctx->incl_range); + mu_locus_range_copy (&ctx->incl_range, &yylloc); + ctx->i_node = sieve_source_inode; + ctx->input = input_stream; +diff --git a/libmu_sieve/util.c b/libmu_sieve/util.c +index 8d62a60c2..7d71b5509 100644 +--- a/libmu_sieve/util.c ++++ b/libmu_sieve/util.c +@@ -55,6 +55,7 @@ mu_sieve_value_create (mu_sieve_machine_t mach, mu_sieve_data_type type, + val->locus.end.mu_line = locus->end.mu_line; + val->locus.end.mu_col = locus->end.mu_col; + ++ mu_locus_range_init (&val->locus); + mu_locus_range_copy (&val->locus, locus); + switch (type) + { +diff --git a/mh/mh_alias_lex.l b/mh/mh_alias_lex.l +index 371353ed3..b97264b38 100644 +--- a/mh/mh_alias_lex.l ++++ b/mh/mh_alias_lex.l +@@ -167,6 +167,7 @@ push_source (const char *name, int fail) + { + ctx = mu_alloc (sizeof (*ctx)); + ctx->trk = trk; ++ mu_locus_range_init (&ctx->incl_range); + mu_locus_range_copy (&ctx->incl_range, &yylloc); + ctx->exec_p = exec_p; + ctx->i_node = ali_source_inode; |