AddressSanitizer: heap-use-after-free src/wield.c:402 in dowieldquiver

[Soviet5lo]

==285340==ERROR: AddressSanitizer: heap-use-after-free on address 0x60b000018a4e at pc 0x555555dcb384 bp 0x7fffffffdc80 sp 0x7fffffffdc70
READ of size 2 at 0x60b000018a4e thread T0
    #0 0x555555dcb383 in dowieldquiver src/wield.c:402
    #1 0x5555557b5a89 in rhack src/cmd.c:3814
    #2 0x555555721aad in moveloop src/allmain.c:654
    #3 0x555555e35a70 in main sys/unix/unixmain.c:309
    #4 0x7ffff767528f  (/usr/lib/libc.so.6+0x2928f)#
    #5 0x7ffff7675349 in __libc_start_main (/usr/lib/libc.so.6+0x29349)
    #6 0x55555571d944 in _start (/home/soviet5lo/slashthem/slashthem-0.9.7/slashthem+0x1c9944)

0x60b000018a4e is located 30 bytes inside of 104-byte region [0x60b000018a30,0x60b000018a98)
freed by thread T0 here:
    #0 0x7ffff798b672 in __interceptor_free /usr/src/debug/gcc/libsanitizer/asan/asan_malloc_linux.cpp:52
    #1 0x555555a61d25 in dealloc_obj src/mkobj.c:1780
    #2 0x555555c40fe7 in obfree src/shk.c:109911
    #3 0x555555d01ee4 in burn_object src/timeout.c:1489
    #4 0x555555d04e5b in run_timers src/timeout.c:2117
    #5 0x555555cf73f2 in nh_timeout src/timeout.c:478
    #6 0x55555571e4c9 in moveloop src/allmain.c:237
    #7 0x555555e35a70 in main sys/unix/unixmain.c:309
    #8 0x7ffff767528f  (/usr/lib/libc.so.6+0x2928f)

previously allocated by thread T0 here:
    #0 0x7ffff798ca89 in __interceptor_malloc /usr/src/debug/gcc/libsanitizer/asan/asan_malloc_linux.cpp:69
    #1 0x555555723abf in alloc src/alloc.c:97
    #2 0x555555a57eae in mksobj src/mkobj.c:419
    #3 0x555555a55b54 in mkobj src/mkobj.c:146
    #4 0x555555b2f65c in readobjnam src/objnam.c:3134
    #5 0x555555e253c2 in makewish src/zap.c:5248
    #6 0x55555579a304 in wiz_wish src/cmd.c:826
    #7 0x5555557b5a89 in rhack src/cmd.c:3814
    #8 0x555555721aad in moveloop src/allmain.c:654
    #9 0x555555e35a70 in main sys/unix/unixmain.c:309
    #10 0x7ffff767528f  (/usr/lib/libc.so.6+0x2928f)

SUMMARY: AddressSanitizer: heap-use-after-free src/wield.c:402 in dowieldquiver
Shadow bytes around the buggy address:
  0x0c167fffb0f0: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c167fffb100: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c167fffb110: fd fa fa fa fa fa fa fa fa fa fd fd fd fd fd fd
  0x0c167fffb120: fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa
  0x0c167fffb130: fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa
=>0x0c167fffb140: fa fa fa fa fa fa fd fd fd[fd]fd fd fd fd fd fd
  0x0c167fffb150: fd fd fd fa fa fa fa fa fa fa fa fa fd fd fd fd
  0x0c167fffb160: fd fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa
  0x0c167fffb170: fa fa fd fd fd fd fd fd fd fd fd fd fd fd fd fa
  0x0c167fffb180: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c167fffb190: 00 00 00 00 00 fa fa fa fa fa fa fa fa fa 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
==285340==ABORTING

[gebulmer]

huh, this seems to be quivering an object the same turn that it burns away? whack