Add Reproducible Error Injection [1.1.1] - #18356
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This is the version for the 1.1.1 branch. |
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This is definitely a new feature (although just feature of the test framework) so not for 1.1.1. |
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@bernd-edlinger If you want to have a 1.1.1 feature fork I'd suggest to create it as a separate GitHub project. |
This adds reproducible memory error and test-data error injection, to the fuzzy-test framework. This feature can be enabled with ./config -DERROR_INJECT and additionally to enable call stacks -DERROR_CALLSTACK If enable-asan is used, the callstack is printed by the sanitizer, otherwise please set a breakpoint at the function "break_here", which is executed each time a memory allocation error is injected. If called with the environment variable ERROR_INJECT defined to the empty string the initialization value is printed, and can be used to reproduce the failure later, by passing the value to the ERROR_INJECT variable. There is a search script that can be used to look for errors, and print the command to reproduce the bug: ./testrun.sh This runs in endless mode until an error is found.
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This was found by my Reproducible Error Injection patch (openssl#18356) Due to the exact location of the injected memory error the sha256 digest is missing, and this causes much later the memory leak (and a failed assertion) in tls13_generate_secret. But the reproduction is a bit challenging, as it requires AESNI and RDRAND capability. OPENSSL_ia32cap=0x4200000000000000 ERROR_INJECT=1657070330 ../util/shlib_wrap.sh ./client-test ./corpora/client/791afc153e17db072175eeef85385a38d7f6d194 #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 openssl#1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 openssl#2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 openssl#3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 openssl#4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 openssl#5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 openssl#6 0x7fceaf9c6b97 in openssl_add_all_digests_int crypto/evp/c_alld.c:39 openssl#7 0x7fceafa0f8ec in ossl_init_add_all_digests crypto/init.c:275 openssl#8 0x7fceafa0f8ec in ossl_init_add_all_digests_ossl_ crypto/init.c:264 openssl#9 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 openssl#10 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 openssl#11 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:677 openssl#12 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:611 openssl#13 0x7fceafdad3e8 in OPENSSL_init_ssl ssl/ssl_init.c:190 openssl#14 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 openssl#15 0x55fb9117e939 in main fuzz/test-corpus.c:194 openssl#16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 openssl#17 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 openssl#1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 openssl#2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 openssl#3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 openssl#4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 openssl#5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 openssl#6 0x7fceafdad328 in ossl_init_ssl_base ssl/ssl_init.c:87 openssl#7 0x7fceafdad328 in ossl_init_ssl_base_ossl_ ssl/ssl_init.c:24 openssl#8 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 openssl#9 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 openssl#10 0x7fceafdad412 in OPENSSL_init_ssl ssl/ssl_init.c:193 openssl#11 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 openssl#12 0x55fb9117e939 in main fuzz/test-corpus.c:194 openssl#13 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 openssl#14 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) ================================================================= ==1320996==ERROR: LeakSanitizer: detected memory leaks Direct leak of 80 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 openssl#1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 openssl#2 0x7fceafa03a85 in int_ctx_new crypto/evp/pmeth_lib.c:144 openssl#3 0x7fceafa03a85 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 openssl#4 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 openssl#5 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 openssl#6 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 openssl#7 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 openssl#8 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 openssl#9 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 openssl#10 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 openssl#11 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 openssl#12 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 openssl#13 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 openssl#14 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 openssl#15 0x55fb9117eb92 in main fuzz/test-corpus.c:226 openssl#16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 Indirect leak of 1080 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 openssl#1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 openssl#2 0x7fceafa11555 in pkey_hkdf_init crypto/kdf/hkdf.c:51 openssl#3 0x7fceafa03b36 in int_ctx_new crypto/evp/pmeth_lib.c:160 openssl#4 0x7fceafa03b36 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 openssl#5 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 openssl#6 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 openssl#7 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 openssl#8 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 openssl#9 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 openssl#10 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 openssl#11 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 openssl#12 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 openssl#13 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 openssl#14 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 openssl#15 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 openssl#16 0x55fb9117eb92 in main fuzz/test-corpus.c:226 openssl#17 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 SUMMARY: AddressSanitizer: 1160 byte(s) leaked in 2 allocation(s).
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This was found by my Reproducible Error Injection patch (#18356) Due to the exact location of the injected memory error the sha256 digest is missing, and this causes much later the memory leak (and a failed assertion) in tls13_generate_secret. But the reproduction is a bit challenging, as it requires AESNI and RDRAND capability. OPENSSL_ia32cap=0x4200000000000000 ERROR_INJECT=1657070330 ../util/shlib_wrap.sh ./client-test ./corpora/client/791afc153e17db072175eeef85385a38d7f6d194 #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 #1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 #2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 #3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 #4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 #5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 #6 0x7fceaf9c6b97 in openssl_add_all_digests_int crypto/evp/c_alld.c:39 #7 0x7fceafa0f8ec in ossl_init_add_all_digests crypto/init.c:275 #8 0x7fceafa0f8ec in ossl_init_add_all_digests_ossl_ crypto/init.c:264 #9 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 #10 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 #11 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:677 #12 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:611 #13 0x7fceafdad3e8 in OPENSSL_init_ssl ssl/ssl_init.c:190 #14 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 #15 0x55fb9117e939 in main fuzz/test-corpus.c:194 #16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 #17 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 #1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 #2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 #3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 #4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 #5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 #6 0x7fceafdad328 in ossl_init_ssl_base ssl/ssl_init.c:87 #7 0x7fceafdad328 in ossl_init_ssl_base_ossl_ ssl/ssl_init.c:24 #8 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 #9 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 #10 0x7fceafdad412 in OPENSSL_init_ssl ssl/ssl_init.c:193 #11 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 #12 0x55fb9117e939 in main fuzz/test-corpus.c:194 #13 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 #14 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) ================================================================= ==1320996==ERROR: LeakSanitizer: detected memory leaks Direct leak of 80 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 #1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 #2 0x7fceafa03a85 in int_ctx_new crypto/evp/pmeth_lib.c:144 #3 0x7fceafa03a85 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 #4 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 #5 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 #6 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 #7 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 #8 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 #9 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 #10 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 #11 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 #12 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 #13 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 #14 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 #15 0x55fb9117eb92 in main fuzz/test-corpus.c:226 #16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 Indirect leak of 1080 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 #1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 #2 0x7fceafa11555 in pkey_hkdf_init crypto/kdf/hkdf.c:51 #3 0x7fceafa03b36 in int_ctx_new crypto/evp/pmeth_lib.c:160 #4 0x7fceafa03b36 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 #5 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 #6 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 #7 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 #8 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 #9 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 #10 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 #11 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 #12 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 #13 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 #14 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 #15 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 #16 0x55fb9117eb92 in main fuzz/test-corpus.c:226 #17 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 SUMMARY: AddressSanitizer: 1160 byte(s) leaked in 2 allocation(s). Reviewed-by: Todd Short <[email protected]> Reviewed-by: Shane Lontis <[email protected]> Reviewed-by: Hugo Landau <[email protected]> (Merged from #18725)
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This was found by my Reproducible Error Injection patch (openssl#18356) Due to the exact location of the injected memory error the sha256 digest is missing, and this causes much later the memory leak (and a failed assertion) in tls13_generate_secret. But the reproduction is a bit challenging, as it requires AESNI and RDRAND capability. OPENSSL_ia32cap=0x4200000000000000 ERROR_INJECT=1657070330 ../util/shlib_wrap.sh ./client-test ./corpora/client/791afc153e17db072175eeef85385a38d7f6d194 #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 rogii-com#1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 rogii-com#2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 rogii-com#3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 rogii-com#4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 rogii-com#5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 openssl#6 0x7fceaf9c6b97 in openssl_add_all_digests_int crypto/evp/c_alld.c:39 openssl#7 0x7fceafa0f8ec in ossl_init_add_all_digests crypto/init.c:275 openssl#8 0x7fceafa0f8ec in ossl_init_add_all_digests_ossl_ crypto/init.c:264 openssl#9 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 openssl#10 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 openssl#11 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:677 openssl#12 0x7fceafa1000e in OPENSSL_init_crypto crypto/init.c:611 openssl#13 0x7fceafdad3e8 in OPENSSL_init_ssl ssl/ssl_init.c:190 openssl#14 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 openssl#15 0x55fb9117e939 in main fuzz/test-corpus.c:194 openssl#16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 openssl#17 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) #0 0x7fceaffb7d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36 rogii-com#1 0x55fb9117f934 in my_malloc fuzz/test-corpus.c:114 rogii-com#2 0x7fceafa147f3 in OPENSSL_LH_insert crypto/lhash/lhash.c:109 rogii-com#3 0x7fceafa42639 in lh_OBJ_NAME_insert crypto/objects/obj_local.h:12 rogii-com#4 0x7fceafa42639 in OBJ_NAME_add crypto/objects/o_names.c:236 rogii-com#5 0x7fceaf9f7baa in EVP_add_digest crypto/evp/names.c:39 openssl#6 0x7fceafdad328 in ossl_init_ssl_base ssl/ssl_init.c:87 openssl#7 0x7fceafdad328 in ossl_init_ssl_base_ossl_ ssl/ssl_init.c:24 openssl#8 0x7fceaf69b4de in __pthread_once_slow /build/glibc-SzIz7B/glibc-2.31/nptl/pthread_once.c:116 openssl#9 0x7fceafafb27c in CRYPTO_THREAD_run_once crypto/threads_pthread.c:118 openssl#10 0x7fceafdad412 in OPENSSL_init_ssl ssl/ssl_init.c:193 openssl#11 0x55fb9117ee0f in FuzzerInitialize fuzz/client.c:46 openssl#12 0x55fb9117e939 in main fuzz/test-corpus.c:194 openssl#13 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 openssl#14 0x55fb9117ec7d in _start (.../openssl/fuzz/client-test+0x2c7d) ================================================================= ==1320996==ERROR: LeakSanitizer: detected memory leaks Direct leak of 80 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 rogii-com#1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 rogii-com#2 0x7fceafa03a85 in int_ctx_new crypto/evp/pmeth_lib.c:144 rogii-com#3 0x7fceafa03a85 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 rogii-com#4 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 rogii-com#5 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 openssl#6 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 openssl#7 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 openssl#8 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 openssl#9 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 openssl#10 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 openssl#11 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 openssl#12 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 openssl#13 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 openssl#14 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 openssl#15 0x55fb9117eb92 in main fuzz/test-corpus.c:226 openssl#16 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 Indirect leak of 1080 byte(s) in 1 object(s) allocated from: #0 0x7fceaffaa808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144 rogii-com#1 0x7fceafa19425 in CRYPTO_zalloc crypto/mem.c:230 rogii-com#2 0x7fceafa11555 in pkey_hkdf_init crypto/kdf/hkdf.c:51 rogii-com#3 0x7fceafa03b36 in int_ctx_new crypto/evp/pmeth_lib.c:160 rogii-com#4 0x7fceafa03b36 in EVP_PKEY_CTX_new_id crypto/evp/pmeth_lib.c:250 rogii-com#5 0x7fceafe38de5 in tls13_generate_secret ssl/tls13_enc.c:174 openssl#6 0x7fceafd9537f in ssl_derive ssl/s3_lib.c:4833 openssl#7 0x7fceafdde91c in tls_parse_stoc_key_share ssl/statem/extensions_clnt.c:1902 openssl#8 0x7fceafdd4ac1 in tls_parse_all_extensions ssl/statem/extensions.c:752 openssl#9 0x7fceafdf8079 in tls_process_server_hello ssl/statem/statem_clnt.c:1698 openssl#10 0x7fceafe01f87 in ossl_statem_client_process_message ssl/statem/statem_clnt.c:1034 openssl#11 0x7fceafdeec0d in read_state_machine ssl/statem/statem.c:636 openssl#12 0x7fceafdeec0d in state_machine ssl/statem/statem.c:434 openssl#13 0x7fceafdb88d7 in SSL_do_handshake ssl/ssl_lib.c:3718 openssl#14 0x55fb9117f07c in FuzzerTestOneInput fuzz/client.c:98 openssl#15 0x55fb9117f463 in testfile fuzz/test-corpus.c:182 openssl#16 0x55fb9117eb92 in main fuzz/test-corpus.c:226 openssl#17 0x7fceaf4bc082 in __libc_start_main ../csu/libc-start.c:308 SUMMARY: AddressSanitizer: 1160 byte(s) leaked in 2 allocation(s). Reviewed-by: Todd Short <[email protected]> Reviewed-by: Shane Lontis <[email protected]> Reviewed-by: Hugo Landau <[email protected]> (Merged from openssl#18725)
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This adds reproducible memory error and test-data
error injection, to the fuzzy-test framework.
This feature can be enabled with ./config -DERROR_INJECT
and additionally to enable call stacks -DERROR_CALLSTACK
If enable-asan is used, the callstack is printed by the
sanitizer, otherwise please set a breakpoint
at the function "break_here", which is executed each
time a memory allocation error is injected.
If called with the environment variable ERROR_INJECT
defined to the empty string the initialization value
is printed, and can be used to reproduce the failure
later, by passing the value to the ERROR_INJECT variable.
There is a search script that can be used to look
for errors, and print the command to reproduce the bug:
./testrun.sh
This runs in endless mode until an error is found.
Checklist