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Bug #1195 » IC-DCMTK-0007_crash_output.txt

Jörg Riesmeier, 2026-03-25 10:05

 
E: parse error in JSON file
=================================================================
==2185611==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7c3ff6f54d4f at pc 0x55555578760c bp 0x7fffffffbd60 sp 0x7fffffffbd58
READ of size 1 at 0x7c3ff6f54d4f thread T0
#0 0x55555578760b in DcmJSONReader::getTokenContent(OFString&, jsmntok*) dcmdata/libsrc/dcjsonrd.cc:221:14
#1 0x55555579aafd in DcmJSONReader::parseElementValueArray(DcmElement*&, jsmntok*&) dcmdata/libsrc/dcjsonrd.cc:1022:13
#2 0x55555579405b in DcmJSONReader::parseElement(DcmItem*, DcmItem*, jsmntok*&) dcmdata/libsrc/dcjsonrd.cc:784:22
#3 0x555555797e03 in DcmJSONReader::parseDataSet(DcmItem*, DcmItem*, jsmntok*&) dcmdata/libsrc/dcjsonrd.cc:923:18
#4 0x5555557a19c7 in DcmJSONReader::readAndConvertJSONFile(DcmFileFormat&, char const*) dcmdata/libsrc/dcjsonrd.cc:1279:18
#5 0x55555571339b in main dcmdata/apps/json2dcm.cc:435:25
#6 0x7ffff7989082 in __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:308:16
#7 0x555555626aed in _start (build-asan/bin/json2dcm+0xd2aed) (BuildId: b688cc0c9b5747caa3a8889ccee387d1dbaf23cc)

0x7c3ff6f54d4f is located 1 bytes before 45-byte region [0x7c3ff6f54d50,0x7c3ff6f54d7d)
allocated by thread T0 here:
#0 0x55555570c4dd in operator new[](unsigned long, std::nothrow_t const&) (build-asan/bin/json2dcm+0x1b84dd) (BuildId: b688cc0c9b5747caa3a8889ccee387d1dbaf23cc)
#1 0x5555557859ed in DcmJSONReader::readJSONFile(char const*) dcmdata/libsrc/dcjsonrd.cc:95:24
#2 0x55555579f4c5 in DcmJSONReader::readAndConvertJSONFile(DcmFileFormat&, char const*) dcmdata/libsrc/dcjsonrd.cc:1195:23
#3 0x55555571339b in main dcmdata/apps/json2dcm.cc:435:25
#4 0x7ffff7989082 in __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:308:16

SUMMARY: AddressSanitizer: heap-buffer-overflow dcmdata/libsrc/dcjsonrd.cc:221:14 in DcmJSONReader::getTokenContent(OFString&, jsmntok*)
Shadow bytes around the buggy address:
0x7c3ff6f54a80: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
0x7c3ff6f54b00: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
0x7c3ff6f54b80: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
0x7c3ff6f54c00: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
0x7c3ff6f54c80: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
=>0x7c3ff6f54d00: fa fa 00 00 00 00 00 fa fa[fa]00 00 00 00 00 05
0x7c3ff6f54d80: fa fa fd fd fd fd fd fd fa fa 00 00 00 00 00 07
0x7c3ff6f54e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7c3ff6f54e80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7c3ff6f54f00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7c3ff6f54f80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==2185611==ABORTING
(1-1/3)