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8 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
37edb704f9 test: shorten sample names, drop numerical prefixes 
We don't care about the ordering, so we may just as well drop the numerical
prefixes that we normally use for sorting. Also rename some other samples
to keep width of output down to reasonable width.
 2023-09-02 17:32:19 +03:00
Yu Watanabe
029a7f5a0e fuzz: shorten filename of testcase 
Follow-up for 46dc071985 and
76519cecc7.
 2022-12-09 05:01:04 +09:00
Yu Watanabe
b9152f2d63 resolve: optimize conversion of TXT fields to json 
Fixes oss-fuzz#54080 (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54080).

Fixes #25654.
 2022-12-09 04:59:49 +09:00
Yu Watanabe
7d34567444 hexdecoct: fix NULL pointer dereferences in hexmem() 
Fixes oss-fuzz#54090 (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54090).

Fixes #25655.
 2022-12-09 04:55:47 +09:00
Yu Watanabe
45655e776f hexdecoct: add missing NULL check 
Fixes oss-fuzz#54065 (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54065).

Fixes #25650.
 2022-12-09 04:54:43 +09:00
Yu Watanabe
76519cecc7 escape: fix wrong octescape of bad character 
Fixes a bug introduced by 95052df376.

This also makes octescape() support NULL or zero length string.

Fixes [oss-fuzz#54059](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54059).

Fixes #25643.
 2022-12-06 12:18:10 +09:00
Evgeny Vereshchagin
49f936cd0a tests: add a file triggering "applying zero offset to null pointer" 
```
../src/basic/hexdecoct.c:66:44: runtime error: applying zero offset to null pointer
    #0 0x7f6022650c44 in hexmem /home/vagrant/systemd/build-fuzzers/../src/basic/hexdecoct.c:66:44
    #1 0x577583 in dns_resource_record_to_string /home/vagrant/systemd/build-fuzzers/../src/resolve/resolved-dns-rr.c:1140:21
    #2 0x563669 in LLVMFuzzerTestOneInput /home/vagrant/systemd/build-fuzzers/../src/resolve/fuzz-resource-record.c:25:39
    #3 0x44d2a1 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) (/home/vagrant/systemd/out/fuzz-resource-record+0x44d2a1) (BuildId: 88135c111396e9441a475302ccabd2f9a58c7e89)
    #4 0x42d32f in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) (/home/vagrant/systemd/out/fuzz-resource-record+0x42d32f) (BuildId: 88135c111396e9441a475302ccabd2f9a58c7e89)
    #5 0x434920 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) (/home/vagrant/systemd/out/fuzz-resource-record+0x434920) (BuildId: 88135c111396e9441a475302ccabd2f9a58c7e89)
    #6 0x424006 in main (/home/vagrant/systemd/out/fuzz-resource-record+0x424006) (BuildId: 88135c111396e9441a475302ccabd2f9a58c7e89)
    #7 0x7f602142950f in __libc_start_call_main (/lib64/libc.so.6+0x2950f) (BuildId: 85c438f4ff93e21675ff174371c9c583dca00b2c)
    #8 0x7f60214295c8 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x295c8) (BuildId: 85c438f4ff93e21675ff174371c9c583dca00b2c)
    #9 0x424044 in _start (/home/vagrant/systemd/out/fuzz-resource-record+0x424044) (BuildId: 88135c111396e9441a475302ccabd2f9a58c7e89)

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/basic/hexdecoct.c:66:44 in
```
 2022-11-26 11:57:22 +00:00
Evgeny Vereshchagin
b6e8a4f2b6 tests: add a file triggering crash in type_bitmap_to_json 
It's a follow-up to https://github.com/systemd/systemd/pull/25518
 2022-11-25 19:32:04 +00:00