================================================================= ==462182==ERROR: AddressSanitizer: stack-use-after-return on address 0x780e935798c0 at pc 0x7c0e96cf270c bp 0x7ffe3cf6dc70 sp 0x7ffe3cf6dc68 READ of size 8 at 0x780e935798c0 thread T0 #0 0x7c0e96cf270b in C_i_symbolp /home/sjamaan/src/chicken-core/chicken.h:2820 #1 0x7c0e96ea1d82 in f_9838 /home/sjamaan/src/chicken-core/expand.c:26221 #2 0x7c0e964aba4c in f_3855 /home/sjamaan/src/chicken-core/eval.c:9134 #3 0x7c0e96e2a7d8 in f_6891 /home/sjamaan/src/chicken-core/expand.c:20211 #4 0x7c0e96e07320 in f_16156 /home/sjamaan/src/chicken-core/expand.c:18435 #5 0x7c0e96e07c3e in f_16158 /home/sjamaan/src/chicken-core/expand.c:18456 #6 0x7c0e96e0881c in f_16183 /home/sjamaan/src/chicken-core/expand.c:18475 #7 0x7c0e96e0669d in f_16116 /home/sjamaan/src/chicken-core/expand.c:18386 #8 0x7c0e961c17c4 in f_26217 /home/sjamaan/src/chicken-core/library.c:42706 #9 0x7c0e961c4b0d in f_26360 /home/sjamaan/src/chicken-core/library.c:42888 #10 0x7c0e961c1198 in f_26214 /home/sjamaan/src/chicken-core/library.c:42682 #11 0x7c0e961c0bf9 in f_26210 /home/sjamaan/src/chicken-core/library.c:42663 #12 0x7c0e961c3ee3 in f_26264 /home/sjamaan/src/chicken-core/library.c:42820 #13 0x7c0e961c409c in f_26273 /home/sjamaan/src/chicken-core/library.c:42831 #14 0x7c0e961c4249 in f_26278 /home/sjamaan/src/chicken-core/library.c:42842 #15 0x7c0e961c2f87 in f_26252 /home/sjamaan/src/chicken-core/library.c:42781 #16 0x7c0e96ecacc5 in f_10405 /home/sjamaan/src/chicken-core/modules.c:3839 #17 0x7c0e96f4df91 in f_6783 /home/sjamaan/src/chicken-core/modules.c:11229 #18 0x7c0e96f50ad4 in f_6858 /home/sjamaan/src/chicken-core/modules.c:11339 #19 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #20 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #21 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #22 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #23 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #24 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #25 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #26 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #27 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #28 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #29 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #30 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #31 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #32 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #33 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #34 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #35 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #36 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #37 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #38 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #39 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #40 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #41 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #42 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #43 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #44 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #45 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #46 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #47 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #48 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #49 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #50 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #51 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #52 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #53 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #54 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #55 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #56 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #57 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #58 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #59 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #60 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #61 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #62 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #63 0x7c0e9698a92e in f_2916 /home/sjamaan/src/chicken-core/internal.c:1528 #64 0x7c0e96f5194d in f_6880 /home/sjamaan/src/chicken-core/modules.c:11381 #65 0x7c0e9698909b in f_2857 /home/sjamaan/src/chicken-core/internal.c:1473 #66 0x7c0e96f50e0c in f_6858 /home/sjamaan/src/chicken-core/modules.c:11349 #67 0x7c0e96f52688 in f_6888 /home/sjamaan/src/chicken-core/modules.c:11401 #68 0x7c0e9698b785 in f_2928 /home/sjamaan/src/chicken-core/internal.c:1553 #69 0x7c0e96974b62 in trf_2928 /home/sjamaan/src/chicken-core/internal.c:265 #70 0x7c0e971e2f10 in CHICKEN_run /home/sjamaan/src/chicken-core/runtime.c:1601 #71 0x7c0e971dd15d in CHICKEN_main /home/sjamaan/src/chicken-core/runtime.c:623 #72 0x63ce57f0b75c in main /home/sjamaan/src/chicken-core/chicken.c:1542 #73 0x7c0e9582b284 in __libc_start_call_main (/nix/store/57iz36553175g3178pvxjij8z5rcsd4n-glibc-2.42-61/lib/libc.so.6+0x2b284) (BuildId: 8ae0b698f2d4e727f569f64bb166e08ae30bd077) #74 0x7c0e9582b337 in __libc_start_main@GLIBC_2.2.5 (/nix/store/57iz36553175g3178pvxjij8z5rcsd4n-glibc-2.42-61/lib/libc.so.6+0x2b337) (BuildId: 8ae0b698f2d4e727f569f64bb166e08ae30bd077) #75 0x63ce57ef38b4 in _start (/home/sjamaan/chickens/debug-6/bin/chicken+0x2298b4) Address 0x780e935798c0 is located in stack of thread T0 at offset 192 in frame #0 0x7c0e96eae4ac in C_fast_retrieve_proc /home/sjamaan/src/chicken-core/chicken.h:3341 This frame has 6 object(s): [32, 40) 'C__TMPST' (line 3342) [64, 72) 'C__PREV_TMPST' (line 3342) [96, 104) 'C__TMPST' (line 3345) [128, 136) 'C__PREV_TMPST' (line 3345) [160, 176) 'C__TMPST' (line 3345) [192, 208) 'C__PREV_TMPST' (line 3345) <== Memory access at offset 192 is inside this variable HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-use-after-return /home/sjamaan/src/chicken-core/chicken.h:2820 in C_i_symbolp Shadow bytes around the buggy address: 0x780e93579600: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 0x780e93579680: f5 f5 f5 f5 00 00 00 00 00 00 00 00 00 00 00 00 0x780e93579700: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 0x780e93579780: f5 f5 f5 f5 00 00 00 00 00 00 00 00 00 00 00 00 0x780e93579800: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 =>0x780e93579880: f5 f5 f5 f5 f5 f5 f5 f5[f5]f5 f5 f5 00 00 00 00 0x780e93579900: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 0x780e93579980: f5 f5 f5 f5 00 00 00 00 00 00 00 00 00 00 00 00 0x780e93579a00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 0x780e93579a80: f5 f5 f5 f5 00 00 00 00 00 00 00 00 00 00 00 00 0x780e93579b00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 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 ==462182==ABORTING