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4 Commits

Author SHA1 Message Date
Wladimir J. van der Laan
56a75722c9 Merge #17708: prevector: avoid misaligned member accesses 
5f26855f109af53a336d5f98ed0ae584e7a31f84 test: Remove ubsan alignment suppressions (Wladimir J. van der Laan)
9d933ef9191417b4b7d29eaa3c3a571f814acc8e prevector: avoid misaligned member accesses (Anthony Towns)

Pull request description:

  Ensure prevector data is appropriately aligned. Earlier discussion in #17530.

  **Edit laanwj**: In contrast to #17530, it does this without increase in size of any of the coin cache data structures (x86_64, clang)

  | Struct        | (size,align) before           | (size,align) after  |
  | ------------- | ------------- | ------- |
  | Coin | 48, 8        |     48, 8   |
  | CCoinsCacheEntry | 56, 8    |   56, 8  |
  | CScript | 32, 1       |      32, 8  |

ACKs for top commit:
  laanwj:
    ACK 5f26855f109af53a336d5f98ed0ae584e7a31f84
  practicalswift:
    ACK 5f26855f109af53a336d5f98ed0ae584e7a31f84
  jonatack:
    ACK 5f26855f109af53a336d5f98ed0ae584e7a31f84

Tree-SHA512: 98d112d6856f683d5b212410b73f3071d2994f1efb046a2418a35890aa1cf1aa7c96a960fc2e963fa15241e861093c1ea41951cf5b4b5431f88345eb1dd0a98a
 2021-09-23 17:30:17 -03:00
MarcoFalke
aefeef25b8 Merge #14357: streams: Fix broken streams_vector_reader test. Remove unused seek(size_t). 
4f4993fe2a Remove UBSan suppression (practicalswift)
958e1a307e streams: Remove unused seek(size_t) (practicalswift)

Pull request description:

  Fix broken `streams_vector_reader` test. Remove unused `seek(size_t)`.

  Before this change the test `streams_vector_reader` triggered an unintended unsigned integer wraparound. It tried so seek using a negative value in `reader.seek(-6)`.

  Changes in this PR:
  * Fix broken `VectorReader::seek(size_t)` test case
  * Remove unused `seek(size_t)`

Tree-SHA512: 6c6affd680626363eef9e496748f2f86a522325abab9d6b13161f41125cdc29ceb36c2c1509c90b8ff108d606df7629e55e094cc2b6253b05a892b81ce176b71
 2021-09-07 12:26:47 -04:00
Wladimir J. van der Laan
7ac0213b1e Merge #14242: Avoid triggering undefined behaviour (std::memset(nullptr, 0, 0)) if an invalid string is passed to DecodeSecret(...) 
d855e4cac8303ad4e34ac31cfa7634286589ce99 Avoid triggering undefined behaviour (std::memset(nullptr, 0, 0)) if an invalid string is passed to DecodeSecret(...) (practicalswift)

Pull request description:

  Avoid triggering undefined behaviour (`std::memset(nullptr, 0, 0)`) if an invalid string is passed to `DecodeSecret(...)`.

  Background reading: [memcpy (and friends) with NULL pointers](https://www.imperialviolet.org/2016/06/26/nonnull.html)

  Steps to reproduce:

  ```
  ./configure --with-sanitizers=undefined && make check && ./test/functional/test_runner.py
  ```

Tree-SHA512: b8325ced4f724d9c03065e0747af56b1f297a90d9fb09a24d46c3231a90dce3df6299f2c41f863b5cec18eaeded7b46ee4b93d9a52adc2541eb4c44d2c0965d9
 2021-08-18 22:38:11 -03:00
MarcoFalke
8e118581b2 Merge #14764: travis: Run thread sanitizer on unit tests 
fa7d36b8e7 test: Move UBSAN suppressions to test/sanitizer_suppressions/ubsan (MarcoFalke)
fa36d4e456 travis: --disable-hardening for xenial thread sanitizer (MarcoFalke)
89bf196c88 travis: Run thread sanitizer (MarcoFalke)

Pull request description:

  On unit tests only for now. Disabled for the gui unit tests and all functional tests.

Tree-SHA512: 56f7d3b44e7cb68c76a2dc5abd85658955b1c2188932e988667c5a1cbcdd6be995d37bb949d62c6eb08a4aebfc43ff0370b7da1719d4e4f322a3495c1941a5e0
 2021-08-18 13:56:42 -05:00