Double free in object, global object
When compiling with -fsanitize=undefined gives a double free. Looks like global object links to an objdef that has been freed.
=================================================================
==749152==ERROR: AddressSanitizer: heap-use-after-free on address 0x60f000000310 at pc 0x7fa548da82bd bp 0x7ffe38c0b1e0 sp 0x7ffe38c0b1d8
READ of size 4 at 0x60f000000310 thread T0
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#1 0x7fa54918584e in FREEglobobj /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:980
#2 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#3 0x7fa5491752df in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:711
#4 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#5 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#6 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#7 0x7fa54918621a in FREEicm /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:1004
#8 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#9 0x7fa5491752df in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:711
#10 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#11 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#12 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#13 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#14 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#15 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#16 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#17 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#18 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#19 0x7fa549174e66 in FREEexprs /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:710
#20 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#21 0x7fa54918621a in FREEicm /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:1004
#22 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#23 0x7fa54915eb26 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:171
#24 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#25 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#26 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#27 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#28 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#29 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#30 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#31 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#32 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#33 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#34 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#35 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#36 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#37 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#38 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#39 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#40 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#41 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#42 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#43 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#44 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#45 0x7fa549164ccc in FREEblock /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:254
#46 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#47 0x7fa54916acae in FREEcond /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:408
#48 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#49 0x7fa54915eb26 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:171
#50 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#51 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#52 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#53 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#54 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#55 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#56 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#57 0x7fa54915db31 in FREEassign /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:164
#58 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#59 0x7fa549164ccc in FREEblock /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:254
#60 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#61 0x7fa54917fa9f in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:895
#62 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#63 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#64 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#65 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#66 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#67 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#68 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#69 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#70 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#71 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#72 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#73 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#74 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#75 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#76 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#77 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#78 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#79 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#80 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#81 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#82 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
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#84 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#85 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#86 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#87 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#88 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#89 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#90 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#91 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#92 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#93 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#94 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#95 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#96 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#97 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#98 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#99 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#100 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#101 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#103 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#105 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#106 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#107 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#108 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#109 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#110 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#111 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#112 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#113 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#114 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#115 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#116 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#117 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#118 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#119 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#121 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#122 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#123 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#124 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#125 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#126 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#127 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#128 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#129 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#132 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
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#135 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
#136 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#137 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#163 0x7fa54917b21e in FREEfundef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:863
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#167 0x7fa548da2a76 in FREEdoFreeTree /home/thomas/repos/sac2c/src/libsac2c/tree/free.c:303
#168 0x7fa5483aa034 in PHrunSubPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:245
#169 0x7fa5483c484f in PHDdrivePhase_icc /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:1711
#170 0x7fa5483a9059 in PHrunPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:165
#171 0x7fa5483c6d7e in PHDdriveSac2c /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:1709
#172 0x7fa548331225 in SACrunSac2c /home/thomas/repos/sac2c/src/libsac2c/global/main.c:125
#173 0x5619250e5bed in launch_function_from_library /home/thomas/repos/sac2c/src/include/sactools.h:182
#174 0x5619250e5d55 in main /home/thomas/repos/sac2c/src/tools/sac2c/sac2c.c:10
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#176 0x7fa54e846304 in __libc_start_main_impl ../csu/libc-start.c:360
#177 0x5619250e51a0 in _start (/home/thomas/repos/sac2c/build_d/sac2c_d+0x21a0)
0x60f000000310 is located 0 bytes inside of 176-byte region [0x60f000000310,0x60f0000003c0)
freed by thread T0 here:
#0 0x7fa54f2b76a8 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:52
#1 0x7fa54833e089 in _MEMfree /home/thomas/repos/sac2c/src/libsac2c/global/memory.c:132
#2 0x7fa54919ea30 in FREEobjdef /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:1686
#3 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#4 0x7fa54919517b in FREEmodule /home/thomas/repos/sac2c/build_d/src/libsac2c/free_node.c:1351
#5 0x7fa548e1445f in TRAVdo /home/thomas/repos/sac2c/src/libsac2c/tree/traverse.c:97
#6 0x7fa548da2a76 in FREEdoFreeTree /home/thomas/repos/sac2c/src/libsac2c/tree/free.c:303
#7 0x7fa5483aa034 in PHrunSubPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:245
#8 0x7fa5483c484f in PHDdrivePhase_icc /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:1711
#9 0x7fa5483a9059 in PHrunPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:165
#10 0x7fa5483c6d7e in PHDdriveSac2c /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:1709
#11 0x7fa548331225 in SACrunSac2c /home/thomas/repos/sac2c/src/libsac2c/global/main.c:125
#12 0x5619250e5bed in launch_function_from_library /home/thomas/repos/sac2c/src/include/sactools.h:182
#13 0x5619250e5d55 in main /home/thomas/repos/sac2c/src/tools/sac2c/sac2c.c:10
#14 0x7fa54e846249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
previously allocated by thread T0 here:
#0 0x7fa54f2b89cf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x7fa54833182e in _MEMmalloc /home/thomas/repos/sac2c/src/libsac2c/global/memory.c:36
#2 0x7fa54933f8e0 in TBmakeObjdefAt /home/thomas/repos/sac2c/build_d/src/libsac2c/node_basic.c:585
#3 0x7fa5489af8a7 in handle_objdef /home/thomas/repos/sac2c/src/libsac2c/scanparse/parser.c:6163
#4 0x7fa5489b26a8 in handle_definitions /home/thomas/repos/sac2c/src/libsac2c/scanparse/parser.c:6290
#5 0x7fa5489c7d68 in parse /home/thomas/repos/sac2c/src/libsac2c/scanparse/parser.c:6663
#6 0x7fa5489ca07b in SPmyYyparse /home/thomas/repos/sac2c/src/libsac2c/scanparse/parser.c:6869
#7 0x7fa5489dd1b2 in SPdoScanParse /home/thomas/repos/sac2c/src/libsac2c/scanparse/scnprs.c:112
#8 0x7fa5483aa034 in PHrunSubPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:245
#9 0x7fa5483b8577 in PHDdrivePhase_scp /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:14
#10 0x7fa5483a9059 in PHrunPhase /home/thomas/repos/sac2c/src/libsac2c/global/phase.c:165
#11 0x7fa5483c612d in PHDdriveSac2c /home/thomas/repos/sac2c/src/libsac2c/global/phase_sac2c.mac:4
#12 0x7fa548331225 in SACrunSac2c /home/thomas/repos/sac2c/src/libsac2c/global/main.c:125
#13 0x5619250e5bed in launch_function_from_library /home/thomas/repos/sac2c/src/include/sactools.h:182
#14 0x5619250e5d55 in main /home/thomas/repos/sac2c/src/tools/sac2c/sac2c.c:10
#15 0x7fa54e846249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
SUMMARY: AddressSanitizer: heap-use-after-free /home/thomas/repos/sac2c/src/libsac2c/tree/free_attribs.c:226 in FREEattribExtLink
Shadow bytes around the buggy address:
0x0c1e7fff8010: 00 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa
0x0c1e7fff8020: fa fa fa fa fa fa fd fd fd fd fd fd fd fd fd fd
0x0c1e7fff8030: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
0x0c1e7fff8040: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd
0x0c1e7fff8050: fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa fa
=>0x0c1e7fff8060: fa fa[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c1e7fff8070: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa
0x0c1e7fff8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1e7fff8090: 00 00 00 00 00 04 fa fa fa fa fa fa fa fa 00 00
0x0c1e7fff80a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1e7fff80b0: 00 00 00 04 fa fa fa fa fa fa fa fa fd fd fd fd
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