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mikea
reviewed
Oct 12, 2016
| @@ -172,8 +172,8 @@ version using docker commands directly is documented [here](building_running_fuz | |||
|
|
|||
| ```bash | |||
| $ cd /path/to/oss-fuzz | |||
| $ python scripts/helper.py build_image $LIB_NAME | |||
| $ python scripts/helper.py build_fuzzers $LIB_NAME | |||
| $ sudo python scripts/helper.py build_image $LIB_NAME | |||
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sudo? Why did you need it?
Does docker run without sudo for you? (docker ps)
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I have the same problem, and that's because I'm not in the "docker" group.
Must be a docker setup issue.
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you need to reboot computer or run newgrp in your session. @eugenis can you verify?
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yes
don;t know about newgrp but reboot helps
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I did not read/follow past "Optional configurations". Mailed #28 to clarify instructions.
mhlakhani
added a commit
to mhlakhani/oss-fuzz
that referenced
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Sep 25, 2019
The corresponding github issue has more detail on the problem.
This code is not in any meaningful state to be committed -- it contains a bunch of hacks I had to make to get the binary to build statically -- libunwind is linked in (via folly), and I had to make changes to include liblzma as well (which libunwind depends on) as well as fix some other unrelated cmake issues.
Reproduction instructions below.
First, build it with `python infra/helper.py build_fuzzers --sanitizer address proxygen`
Then, check the build (it will pass): `python infra/helper.py check_build proxygen`
Then, run the fuzzer: `python infra/helper.py run_fuzzer proxygen ProxygenHTTP1xFuzzer`
It will fail in about ~30 seconds with the below trace. If the fuzzer goes down another path, I've had it reproduce easily by pulling up the shell, running `base64 -d`, pushing that input to a file, and then running the fuzzer directly on that file.
```
terminating with uncaught exception of type folly::ConversionError: Non-digit character found: "OPY"
AddressSanitizer:DEADLYSIGNAL
=================================================================
==11==ERROR: AddressSanitizer: ABRT on unknown address 0x00000000000b (pc 0x7fc166eb7428 bp 0x000000000001 sp 0x7ffcff0a6c78 T0)
SCARINESS: 10 (signal)
#0 0x7fc166eb7427 in gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35427)
google#1 0x7fc166eb9029 in abort (/lib/x86_64-linux-gnu/libc.so.6+0x37029)
google#2 0x9ab7fa in abort_message (/out/ProxygenHTTP1xFuzzer+0x9ab7fa)
google#3 0x9b009d in demangling_terminate_handler() (/out/ProxygenHTTP1xFuzzer+0x9b009d)
google#4 0x9ab282 in std::__terminate(void (*)()) (/out/ProxygenHTTP1xFuzzer+0x9ab282)
google#5 0x9adebd in __cxxabiv1::call_terminate(bool, _Unwind_Exception*) (/out/ProxygenHTTP1xFuzzer+0x9adebd)
google#6 0x9ade60 in __cxxabiv1::scan_eh_tab(__cxxabiv1::(anonymous namespace)::scan_results&, _Unwind_Action, bool, _Unwind_Exception*, _Unwind_Context*) (/out/ProxygenHTTP1xFuzzer+0x9ade60)
google#7 0x9ad5c6 in __gxx_personality_v0 (/out/ProxygenHTTP1xFuzzer+0x9ad5c6)
google#8 0x7fc16725c262 in _Unwind_RaiseException (/lib/x86_64-linux-gnu/libgcc_s.so.1+0x10262)
google#9 0x9acfd6 in __cxa_throw (/out/ProxygenHTTP1xFuzzer+0x9acfd6)
google#10 0x5cedab in void folly::throw_exception<folly::ConversionError>(folly::ConversionError&&) /src/proxygen/proxygen/_build/deps/include/folly/lang/Exception.h:36:3
google#11 0x5eea03 in _ZZN5folly2toItEENSt3__19enable_ifIXntsr3std7is_sameINS_5RangeIPKcEET_EE5valueES7_E4typeES6_ENKUlNS_14ConversionCodeEE_clESA_ /src/proxygen/proxygen/_build/deps/include/folly/Conv.h:1581:26
google#12 0x5eea03 in _ZN5folly15expected_detail30expected_detail_ExpectedHelper14ExpectedHelper12thenOrThrow_IRNS0_15ExpectedStorageINS_5RangeIPKcEENS_14ConversionCodeELNS0_11StorageTypeE1EEENS_6detail18CheckTrailingSpaceEZNS_2toItEENSt3__19enable_ifIXntsr3std7is_sameIS8_T_EE5valueESI_E4typeES8_EUlS9_E_NS_8ExpectedINS_4UnitES9_EEvLb0ELi0EEET2_OSI_OT0_OT1_ /src/proxygen/proxygen/_build/deps/include/folly/Expected.h:610:5
google#13 0x5ed846 in _ZNR5folly8ExpectedINS_5RangeIPKcEENS_14ConversionCodeEE11thenOrThrowINS_6detail18CheckTrailingSpaceEZNS_2toItEENSt3__19enable_ifIXntsr3std7is_sameIS4_T_EE5valueESD_E4typeES4_EUlS5_E_EEDTclclsr3stdE7declvalISD_EEclL_ZNSB_7declvalIRS4_EEDTclsr3std3__1E9__declvalISD_ELi0EEEvEEEEOSD_OT0_ /src/proxygen/proxygen/_build/deps/include/folly/Expected.h:1226:16
google#14 0x5ed846 in _ZN5folly2toItEENSt3__19enable_ifIXntsr3std7is_sameINS_5RangeIPKcEET_EE5valueES7_E4typeES6_ /src/proxygen/proxygen/_build/deps/include/folly/Conv.h:1579:8
google#15 0x5ed445 in proxygen::ParseURL::parseAuthority() /src/proxygen/proxygen/lib/utils/ParseURL.cpp:155:15
google#16 0x5ec5e9 in proxygen::ParseURL::parseNonFully() /src/proxygen/proxygen/lib/utils/ParseURL.cpp:140:8
google#17 0x5ea87a in proxygen::ParseURL::parse() /src/proxygen/proxygen/lib/utils/ParseURL.cpp:96:5
google#18 0x59a99c in proxygen::ParseURL::init(folly::Range<char const*>) /src/proxygen/proxygen/lib/utils/ParseURL.h:34:5
google#19 0x58add1 in proxygen::ParseURL::ParseURL(folly::Range<char const*>) /src/proxygen/proxygen/lib/utils/ParseURL.h:28:5
google#20 0x58add1 in proxygen::ParseURL proxygen::HTTPMessage::setURL<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&&) /src/proxygen/proxygen/lib/http/HTTPMessage.h:202:14
google#21 0x5795f0 in proxygen::HTTP1xCodec::onHeadersComplete(unsigned long) /src/proxygen/proxygen/lib/http/codec/HTTP1xCodec.cpp:976:31
google#22 0x58e2a3 in proxygen::HTTP1xCodec::onHeadersCompleteCB(proxygen::http_parser*, char const*, unsigned long) /src/proxygen/proxygen/lib/http/codec/HTTP1xCodec.cpp:1315:19
google#23 0x5f2222 in proxygen::http_parser_execute(proxygen::http_parser*, proxygen::http_parser_settings const*, char const*, unsigned long) /src/proxygen/proxygen/external/http_parser/http_parser_cpp.cpp:1868:17
google#24 0x577783 in proxygen::HTTP1xCodec::onIngress(folly::IOBuf const&) /src/proxygen/proxygen/lib/http/codec/HTTP1xCodec.cpp:200:26
google#25 0x55b728 in unsigned long proxygen::parse<proxygen::HTTP1xCodec>(proxygen::HTTP1xCodec*, unsigned char const*, unsigned int, int, std::__1::function<bool ()>) /src/proxygen/proxygen/lib/http/codec/test/TestUtils.h:57:23
google#26 0x55a6ef in LLVMFuzzerTestOneInput /src/proxygen/proxygen/fuzzers/ProxygenHTTP1xFuzzer.cpp:23:3
google#27 0x460771 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:554:15
google#28 0x45fe95 in fuzzer::Fuzzer::RunOne(unsigned char const*, unsigned long, bool, fuzzer::InputInfo*, bool*) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:470:3
google#29 0x462247 in fuzzer::Fuzzer::MutateAndTestOne() /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:696:19
google#30 0x462fe5 in fuzzer::Fuzzer::Loop(std::Fuzzer::vector<fuzzer::SizedFile, fuzzer::fuzzer_allocator<fuzzer::SizedFile> >&) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:832:5
google#31 0x450dd8 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:825:6
google#32 0x47b442 in main /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10
google#33 0x7fc166ea282f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
google#34 0x424468 in _start (/out/ProxygenHTTP1xFuzzer+0x424468)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: ABRT (/lib/x86_64-linux-gnu/libc.so.6+0x35427) in gsignal
==11==ABORTING
MS: 3 CrossOver-ChangeBit-EraseBytes-; base unit: 467e3fbf38770044dea566169b84c60cb269c89a
0x43,0x4f,0x50,0x59,0x20,0x43,0x3a,0x4f,0x50,0x59,0x2f,0x4f,0xff,0xa,0x43,0x4f,0x50,0x59,0x20,0x2f,0x4f,0xff,0xa,0x43,0x4f,0x50,0x59,0x20,0x2f,0x6f,0x20,0xff,0x50,0x59,0x0,0x43,0xcf,0x50,0x59,0xff,0x4f,0x50,0x33,
COPY C:OPY/O\xff\x0aCOPY /O\xff\x0aCOPY /o \xffPY\x00C\xcfPY\xffOP3
artifact_prefix='./'; Test unit written to ./crash-2cd12847d55ebf08ec2eaee4e814c52e545e7f92
Base64: Q09QWSBDOk9QWS9P/wpDT1BZIC9P/wpDT1BZIC9vIP9QWQBDz1BZ/09QMw==
```
This seems wrong to me since the code is inside a try/catch block: https://github.com/facebook/proxygen/blob/master/proxygen/lib/utils/ParseURL.cpp#L159-L164
I can confirm that the same input does not crash the fuzzer in the version being built on oss-fuzz trunk (and indeed it would have also reported this as a test-case by now given it's been running over a day)
jonathanmetzman
added a commit
that referenced
this pull request
Dec 6, 2022
cc @oliverchang @alan32liu after #9100 and #8448 After compiling locally, I can see that `./SystemSan ./target_dns -dict=vuln.dict` crashes in a few seconds with ``` ===BUG DETECTED: Arbitrary domain name resolution=== ===Domain resolved: .f.z=== ===DNS request type: 0, class: 256=== ==315== ERROR: libFuzzer: deadly signal #0 0x539131 in __sanitizer_print_stack_trace /src/llvm-project/compiler-rt/lib/asan/asan_stack.cpp:87:3 #1 0x457c48 in fuzzer::PrintStackTrace() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:5 #2 0x43c923 in fuzzer::Fuzzer::CrashCallback() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:233:3 #3 0x7fa57940041f (/lib/x86_64-linux-gnu/libpthread.so.0+0x1441f) (BuildId: 7b4536f41cdaa5888408e82d0836e33dcf436466) #4 0x7fa5793ff7db in send (/lib/x86_64-linux-gnu/libpthread.so.0+0x137db) (BuildId: 7b4536f41cdaa5888408e82d0836e33dcf436466) #5 0x503ba4 in __interceptor_send /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:6802:17 #6 0x7fa578abf462 (/lib/x86_64-linux-gnu/libresolv.so.2+0xb462) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) #7 0x7fa578abbc43 in __res_context_query (/lib/x86_64-linux-gnu/libresolv.so.2+0x7c43) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) #8 0x7fa578abc8ed in __res_context_search (/lib/x86_64-linux-gnu/libresolv.so.2+0x88ed) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) #9 0x7fa578ad2cc1 (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2cc1) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) #10 0x7fa578ad2e8b in _nss_dns_gethostbyname3_r (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2e8b) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) #11 0x7fa578ad2f41 in _nss_dns_gethostbyname2_r (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2f41) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) #12 0x7fa5792fdc9d in gethostbyname2_r (/lib/x86_64-linux-gnu/libc.so.6+0x130c9d) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) #13 0x7fa5792d179e (/lib/x86_64-linux-gnu/libc.so.6+0x10479e) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) #14 0x7fa5792d2f58 in getaddrinfo (/lib/x86_64-linux-gnu/libc.so.6+0x105f58) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) #15 0x4d93ac in getaddrinfo /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:2667:13 #16 0x56c8d9 in LLVMFuzzerTestOneInput /out/SystemSan/target_dns.cpp:35:11 #17 0x43dec3 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15 #18 0x43d6aa in fuzzer::Fuzzer::RunOne(unsigned char const*, unsigned long, bool, fuzzer::InputInfo*, bool, bool*) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:514:3 #19 0x43ed79 in fuzzer::Fuzzer::MutateAndTestOne() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:757:19 #20 0x43fa45 in fuzzer::Fuzzer::Loop(std::__Fuzzer::vector<fuzzer::SizedFile, std::__Fuzzer::allocator<fuzzer::SizedFile> >&) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:895:5 #21 0x42edaf in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:912:6 #22 0x458402 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10 #23 0x7fa5791f1082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) #24 0x41f7ed in _start (/out/SystemSan/target_dns+0x41f7ed) NOTE: libFuzzer has rudimentary signal handlers. Combine libFuzzer with AddressSanitizer or similar for better crash reports. SUMMARY: libFuzzer: deadly signal MS: 2 CrossOver-ManualDict- DE: "f.z"-; base unit: ac3478d69a3c81fa62e60f5c3696165a4e5e6ac4 0x66,0x2e,0x7a, f.z artifact_prefix='./'; Test unit written to ./crash-926813b2d6adde373f96a10594a5314951588384 Base64: Zi56 ``` You can also try ``` echo -n f.z > toto ./SystemSan ./target_dns toto ``` Co-authored-by: Oliver Chang <oliverchang@users.noreply.github.com> Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>
eamonnmcmanus
pushed a commit
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that referenced
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Mar 15, 2023
cc @oliverchang @alan32liu after google#9100 and google#8448 After compiling locally, I can see that `./SystemSan ./target_dns -dict=vuln.dict` crashes in a few seconds with ``` ===BUG DETECTED: Arbitrary domain name resolution=== ===Domain resolved: .f.z=== ===DNS request type: 0, class: 256=== ==315== ERROR: libFuzzer: deadly signal #0 0x539131 in __sanitizer_print_stack_trace /src/llvm-project/compiler-rt/lib/asan/asan_stack.cpp:87:3 google#1 0x457c48 in fuzzer::PrintStackTrace() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:5 google#2 0x43c923 in fuzzer::Fuzzer::CrashCallback() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:233:3 google#3 0x7fa57940041f (/lib/x86_64-linux-gnu/libpthread.so.0+0x1441f) (BuildId: 7b4536f41cdaa5888408e82d0836e33dcf436466) google#4 0x7fa5793ff7db in send (/lib/x86_64-linux-gnu/libpthread.so.0+0x137db) (BuildId: 7b4536f41cdaa5888408e82d0836e33dcf436466) google#5 0x503ba4 in __interceptor_send /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:6802:17 google#6 0x7fa578abf462 (/lib/x86_64-linux-gnu/libresolv.so.2+0xb462) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) google#7 0x7fa578abbc43 in __res_context_query (/lib/x86_64-linux-gnu/libresolv.so.2+0x7c43) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) google#8 0x7fa578abc8ed in __res_context_search (/lib/x86_64-linux-gnu/libresolv.so.2+0x88ed) (BuildId: 4519041bde5b859c55798ac0745b0b6199cb7d94) google#9 0x7fa578ad2cc1 (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2cc1) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) google#10 0x7fa578ad2e8b in _nss_dns_gethostbyname3_r (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2e8b) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) google#11 0x7fa578ad2f41 in _nss_dns_gethostbyname2_r (/lib/x86_64-linux-gnu/libnss_dns.so.2+0x2f41) (BuildId: 3fac4ec397ba8e8938fe298f103113f315465130) google#12 0x7fa5792fdc9d in gethostbyname2_r (/lib/x86_64-linux-gnu/libc.so.6+0x130c9d) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) google#13 0x7fa5792d179e (/lib/x86_64-linux-gnu/libc.so.6+0x10479e) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) google#14 0x7fa5792d2f58 in getaddrinfo (/lib/x86_64-linux-gnu/libc.so.6+0x105f58) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) google#15 0x4d93ac in getaddrinfo /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:2667:13 google#16 0x56c8d9 in LLVMFuzzerTestOneInput /out/SystemSan/target_dns.cpp:35:11 google#17 0x43dec3 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15 google#18 0x43d6aa in fuzzer::Fuzzer::RunOne(unsigned char const*, unsigned long, bool, fuzzer::InputInfo*, bool, bool*) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:514:3 google#19 0x43ed79 in fuzzer::Fuzzer::MutateAndTestOne() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:757:19 google#20 0x43fa45 in fuzzer::Fuzzer::Loop(std::__Fuzzer::vector<fuzzer::SizedFile, std::__Fuzzer::allocator<fuzzer::SizedFile> >&) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:895:5 google#21 0x42edaf in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:912:6 google#22 0x458402 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10 google#23 0x7fa5791f1082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 1878e6b475720c7c51969e69ab2d276fae6d1dee) google#24 0x41f7ed in _start (/out/SystemSan/target_dns+0x41f7ed) NOTE: libFuzzer has rudimentary signal handlers. Combine libFuzzer with AddressSanitizer or similar for better crash reports. SUMMARY: libFuzzer: deadly signal MS: 2 CrossOver-ManualDict- DE: "f.z"-; base unit: ac3478d69a3c81fa62e60f5c3696165a4e5e6ac4 0x66,0x2e,0x7a, f.z artifact_prefix='./'; Test unit written to ./crash-926813b2d6adde373f96a10594a5314951588384 Base64: Zi56 ``` You can also try ``` echo -n f.z > toto ./SystemSan ./target_dns toto ``` Co-authored-by: Oliver Chang <oliverchang@users.noreply.github.com> Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>
jonathanmetzman
pushed a commit
that referenced
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Apr 5, 2024
Using `apt upgrade` without `-y` is problematic, because it may fail: ``` Step #17: Step 3/4 : RUN apt-get upgrade && apt-get install --yes --no-install-recommends libclang-dev pkg-config libcap-dev Step #17: ---> Running in 4fd961f9329f Step #17: Reading package lists... Step #17: Building dependency tree... Step #17: Reading state information... Step #17: Calculating upgrade... Step #17: The following packages will be upgraded: Step #17: bsdutils fdisk libblkid1 libfdisk1 libmount1 libsmartcols1 libuuid1 mount Step #17: util-linux Step #17: 9 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Step #17: Need to get 1901 kB of archives. Step #17: After this operation, 4096 B of additional disk space will be used. Step #17: Do you want to continue? [Y/n] Abort. Step #17: The command '/bin/sh -c apt-get upgrade && apt-get install --yes --no-install-recommends libclang-dev pkg-config libcap-dev' returned a non-zero code: 1 Finished Step #17 ERROR ``` Also, an `apt-get update` is needed, anyway. Fix both issues by replacing `upgrade` with `update`.
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scripts/helper.py should be run with sudo, otherwise it fails with: