GNU roff - Bugs: bug #64892, [tbl] alloc-dealloc-mismatch with...

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bug #64892: [tbl] alloc-dealloc-mismatch with "-fsanitize=address"

Submitter:	Bjarni Ingi Gislason <bjarniig>
Submitted:	Mon 13 Nov 2023 11:47:02 PM UTC


Category:	Preprocessor tbl	Severity:	2 - Minor
Item Group:	Build/Installation	Status:	Need Info
Privacy:	Public	Assigned to:	None
Open/Closed:	Open	Planned Release:	None

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Thu 08 Aug 2024 11:08:52 AM UTC, comment #3: Setting "Item Group" to "Build/Installation": "A groff component provokes diagnostics from build or other external tools, or outright fails to deploy." I still require an actual reproducing document, either inline or as an attachment. A vague gesture in the direction of some libc's man page somewhere is inadequate.	G. Branden Robinson <gbranden>
Sat 18 Nov 2023 07:06:45 PM UTC, comment #2: "strcpy.3" is the same as "strcpy(3)". If other man pages are used, that do not use "tbl", a memory leak is reported.	Bjarni Ingi Gislason <bjarniig>
Sat 18 Nov 2023 06:31:14 AM UTC, comment #1: Please supply the strcpy.3 file you used to produce this output.	G. Branden Robinson <gbranden>
Mon 13 Nov 2023 11:47:02 PM UTC, original submission: Subject: tbl: alloc-dealloc-mismatch with "-fsanitize=address" The software was compiled with gcc ((Debian 13.2.0-5) 13.2.0) with "-fsanitize=address" giving warnings, and when running "test-groff -t -man -ww -z strcpy.3"" ================================================================= ==91730==ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator delete []) on 0x604000000010 #0 0x7f4c462d9c68 in operator delete[](void) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:155 #1 0x55e441522d45 in block_entry::~block_entry() (/home/bg/git/groff/build/tbl+0x23d45) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #2 0x55e441543742 in left_block_entry::~left_block_entry() (/home/bg/git/groff/build/tbl+0x44742) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #3 0x55e441526ca1 in table::~table() (/home/bg/git/groff/build/tbl+0x27ca1) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #4 0x55e44151e161 in process_table(table_input&) (/home/bg/git/groff/build/tbl+0x1f161) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #5 0x55e44151e970 in process_input_file(_IO_FILE) (/home/bg/git/groff/build/tbl+0x1f970) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #6 0x55e44150f31d in main (/home/bg/git/groff/build/tbl+0x1031d) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #7 0x7f4c45c456c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #8 0x7f4c45c45784 in __libc_start_main_impl ../csu/libc-start.c:360 #9 0x55e44150fb60 in _start (/home/bg/git/groff/build/tbl+0x10b60) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) 0x604000000010 is located 0 bytes inside of 45-byte region [0x604000000010,0x60400000003d) allocated by thread T0 here: #0 0x7f4c462d85bf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69 #1 0x55e44154cfa3 in string::extract() const (/home/bg/git/groff/build/tbl+0x4dfa3) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #2 0x55e441529ad1 in table::add_entry(int, int, string const&, entry_format const, char const, int) (/home/bg/git/groff/build/tbl+0x2aad1) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #3 0x55e44151ab34 in process_data(table_input&, format, options) (/home/bg/git/groff/build/tbl+0x1bb34) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #4 0x55e44151e141 in process_table(table_input&) (/home/bg/git/groff/build/tbl+0x1f141) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #5 0x55e44151e970 in process_input_file(_IO_FILE) (/home/bg/git/groff/build/tbl+0x1f970) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #6 0x55e44150f31d in main (/home/bg/git/groff/build/tbl+0x1031d) (BuildId: 7ab334cfd6181c9ca70b997de2ca11b5dc765cd7) #7 0x7f4c45c456c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 SUMMARY: AddressSanitizer: alloc-dealloc-mismatch ../../../../src/libsanitizer/asan/asan_new_delete.cpp:155 in operator delete[](void) ==91730==HINT: if you don't care about these errors you may set ASAN_OPTIONS=alloc_dealloc_mismatch=0 ==91730==ABORTING troff: warning: expected numeric expression, got end of input troff: error: automatically ending diversion '3table' on exit troff: error: can't continue page ejection because vertical position traps disabled troff: error: can't continue page ejection because vertical position traps disabled [...]	Bjarni Ingi Gislason <bjarniig>

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Date	Changed by	Updated Field	Previous Value	Replaced by
2024-08-08	gbranden	Item Group	Lint	Build/Installation
2023-11-18	gbranden	Severity	3 - Normal	2 - Minor
		Item Group	Warning/Suspicious behaviour	Lint
		Status	None	Need Info

GNU roff - Bugs: bug #64892, [tbl] alloc-dealloc-mismatch with...

bug #64892: [tbl] alloc-dealloc-mismatch with "-fsanitize=address"

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