[Qt] Terminate string *pszExePath after readlink and without using memset #11193
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practicalswift
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Doesn't the |
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@jonasschnelli Yes, you're correct but the current In addition to being more efficient and less surprising, this has the added benefit of making some static analyzers happy - I've seen at least one static analyzer getting confused by the current "indirect" string termination logic via |
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IMO the PR title should be reworded - we already take care of NUL-terminating, just in a different way. This does not fix a potential bug or edge case as is implied.
True in general, although this is not a performance sensitive place. Not sure this change is worth it. |
practicalswift
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PR title and commit message reworded :-) |
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utACK 3a4401a |
laanwj
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Oct 2, 2017
…thout using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
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Postumous utACK, though feels like needless code churn, agree with @laanwj it just creates more review burden/time. |
Fabcien
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Aug 30, 2019
…thout using memset Summary: 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d Backport of Core PR11193 bitcoin/bitcoin#11193 Test Plan: make check ./bitcoin-qt Reviewers: deadalnix, Fabien, jasonbcox, O1 Bitcoin ABC, #bitcoin_abc Reviewed By: Fabien, O1 Bitcoin ABC, #bitcoin_abc Differential Revision: https://reviews.bitcoinabc.org/D3933
jonspock
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Dec 8, 2019
…thout using memset Summary: 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d Backport of Core PR11193 bitcoin/bitcoin#11193 Test Plan: make check ./bitcoin-qt Reviewers: deadalnix, Fabien, jasonbcox, O1 Bitcoin ABC, #bitcoin_abc Reviewed By: Fabien, O1 Bitcoin ABC, #bitcoin_abc Differential Revision: https://reviews.bitcoinabc.org/D3933
jonspock
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Dec 8, 2019
…thout using memset Summary: 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d Backport of Core PR11193 bitcoin/bitcoin#11193 Test Plan: make check ./bitcoin-qt Reviewers: deadalnix, Fabien, jasonbcox, O1 Bitcoin ABC, #bitcoin_abc Reviewed By: Fabien, O1 Bitcoin ABC, #bitcoin_abc Differential Revision: https://reviews.bitcoinabc.org/D3933
jonspock
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Dec 8, 2019
…thout using memset Summary: 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d Backport of Core PR11193 bitcoin/bitcoin#11193 Test Plan: make check ./bitcoin-qt Reviewers: deadalnix, Fabien, jasonbcox, O1 Bitcoin ABC, #bitcoin_abc Reviewed By: Fabien, O1 Bitcoin ABC, #bitcoin_abc Differential Revision: https://reviews.bitcoinabc.org/D3933
proteanx
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Dec 12, 2019
…thout using memset Summary: 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d Backport of Core PR11193 bitcoin/bitcoin#11193 Test Plan: make check ./bitcoin-qt Reviewers: deadalnix, Fabien, jasonbcox, O1 Bitcoin ABC, #bitcoin_abc Reviewed By: Fabien, O1 Bitcoin ABC, #bitcoin_abc Differential Revision: https://reviews.bitcoinabc.org/D3933
PastaPastaPasta
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Jan 17, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
PastaPastaPasta
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Jan 22, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
PastaPastaPasta
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Jan 22, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
PastaPastaPasta
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Jan 29, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
PastaPastaPasta
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Jan 29, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
PastaPastaPasta
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Jan 31, 2020
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
Fuzzbawls
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Feb 14, 2021
84b4185 [Tests] raise minimum fee in feature_blockindexstats (random-zebra) 39d8a20 [Cleanup] Remove OldSetKeyFromPassphrase/OldEncrypt/OldDecrypt (random-zebra) 613e1da [BUG] Fix sizeof in paymentservertests (random-zebra) 0f3e961 [Cleanup] Remove useless call (random-zebra) b1ca5e0 Remove unused fsbridge::freopen (practicalswift) b3a1d84 Don't close old debug log file handle prematurely when trying to re-open (on SIGHUP) (practicalswift) ecfbcfd [Cleanup] Remove unused function AddInvalidSpendsToMap (random-zebra) 15b018c [Refactor] Use InsecureRand in the unit tests (random-zebra) 81fd84c [Refactoring] Replace risky call to rand() with GetRandInt() (random-zebra) 8ba1978 [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) b6cd719 Remove unreachable code (g_rpcSignals.PostCommand) (practicalswift) e4f9ab3 [BUG] Memory leak after new CNode / ConnectNode (random-zebra) 536122b Avoid rollingMinimumFeeRate never being able to decay below half (Alex Morcos) 13cad19 fix a bug if the min fee is 0 for FeeFilterRounder (Alex Morcos) aa832d8 [Refactoring] Dereference before/after null check (random-zebra) 4630b7d [Trivial] Pass big parameters by reference, not value (random-zebra) aa7bc7f [Refactoring] Remove unneeded CScript::IsNormalPaymentScript (random-zebra) 6cf3c8f [Trivial] Unitialized scalar fields and variables (random-zebra) Pull request description: This is a collection of small fixes for the following issues/defects (discovered with the coverity tool): - Big parameters passed by value - calls to rand() function - Dereference before/after null-pointer check - Pointer to local variable out of scope - Resource leak with call to ConnectNode - Non-floating point result - unintended integer division (bitcoin#9288) - String not-null-terminated (bitcoin#11193) - Structurally dead code (bitcoin#9575) - Unchecked boolean return value of functions (GetOp, GetTransaction, TxOutToPublicCoin) - Unitialized pointers and scalar fields - Illegal memory access (bitcoin#13159) - Useless call to pubkey.IsCompressed() - Wrong `sizeof` argument (bitcoin#11024 + revert #494) ACKs for top commit: furszy: Looking good, ACK 84b4185 Fuzzbawls: ACK 84b4185 Tree-SHA512: 4c920a1858ccde65795c090e4becc47c50c0a78db7ab11935b4d3e2bea3f7f1f8ca3b48ce633d8112673092c35ae7cd05c444ed2b16e283a305c765874e55c1c
gades
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Mar 10, 2022
… and without using memset 3a4401a [Qt] Terminate string *pszExePath after readlink and without using memset (practicalswift) Pull request description: Terminate string `*pszExePath` after `readlink` and before passing to operator `<<`. * `ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)` does not append a null byte to `buf`. * Operator `<<` expects a null-terminated string. Tree-SHA512: fc18844bb23059fead8db0cb9b4b4ba6188f58e3f19ab4719c2737cc5dd6df23ae7d4804ef2820d39b334204a48ee3de1d202c272bcd156e60761af2fcb9349d
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Terminate string
*pszExePathafterreadlinkand before passing to operator<<.ssize_t readlink(const char *pathname, char *buf, size_t bufsiz)does not append a null byte tobuf.<<expects a null-terminated string.