#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140381598000704) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=140381598000704) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=140381598000704, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007fad27818476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007fad277fe7f3 in __GI_abort () at ./stdlib/abort.c:79
#5  0x00007fad2785f676 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fad279b1b8c "%s\n")
    at ../sysdeps/posix/libc_fatal.c:155
#6  0x00007fad27876cfc in malloc_printerr (str=str@entry=0x7fad279b47b0 "double free or corruption (out)")
    at ./malloc/malloc.c:5664
#7  0x00007fad27878e70 in _int_free
    (av=0x7fad279efc80 <main_arena>, p=0x7fad14018e90, have_lock=<optimized out>) at ./malloc/malloc.c:4588
#8  0x00007fad2787b453 in __GI___libc_free (mem=<optimized out>) at ./malloc/malloc.c:3391
#9  0x0000558534bc53d8 in iscsi_co_writev
    (bs=<optimized out>, sector_num=<optimized out>, nb_sectors=<optimized out>, iov=0x7fad14046610, flags=<optimized out>) at ../qemu-6.0.1/block/iscsi.c:667
#10 0x0000558534b64496 in bdrv_driver_pwritev
    (bs=bs@entry=0x5585375b1940, offset=offset@entry=3867254784, bytes=bytes@entry=4096, qiov=qiov@entry=0x7fad14046610, qiov_offset=qiov_offset@entry=0, flags=flags@entry=0) at ../qemu-6.0.1/block/io.c:1263
#11 0x0000558534b64e1e in bdrv_aligned_pwritev
    (child=child@entry=0x5585375b9880, req=req@entry=0x7fabe61fb6a0, offset=3867254784, bytes=4096, align=align@entry=512, qiov=0x7fad14046610, qiov_offset=0, flags=0) at ../qemu-6.0.1/block/io.c:2086
#12 0x0000558534b661bc in bdrv_co_pwritev_part
    (child=0x5585375b9880, offset=<optimized out>, bytes=<optimized out>, 
    bytes@entry=4096, qiov=<optimized out>, qiov@entry=0x7fad14046610, qiov_offset=<optimized out>, 
    qiov_offset@entry=0, flags=flags@entry=0) at ../qemu-6.0.1/block/io.c:2270
#13 0x0000558534b666df in bdrv_co_pwritev
    (child=<optimized out>, offset=<optimized out>, bytes=bytes@entry=4096, qiov=qiov@entry=0x7fad14046610, flags=flags@entry=0) at ../qemu-6.0.1/block/io.c:2193
#14 0x0000558534b91b8b in raw_co_pwritev
    (bs=0x5585375ba4f0, offset=<optimized out>, bytes=4096, qiov=0x7fad14046610, flags=0)
    at ../qemu-6.0.1/block/raw-format.c:268
#15 0x0000558534b643eb in bdrv_driver_pwritev
    (bs=bs@entry=0x5585375ba4f0, offset=offset@entry=3867254784, bytes=bytes@entry=4096, qiov=qiov@entry=0x7fad14046610, qiov_offset=qiov_offset@entry=0, flags=flags@entry=0) at ../qemu-6.0.1/block/io.c:1230
#16 0x0000558534b64e1e in bdrv_aligned_pwritev
    (child=child@entry=0x558537cca780, req=req@entry=0x7fabe61fbc10, offset=3867254784, bytes=4096, align=align@entry=1, qiov=0x7fad14046610, qiov_offset=0, flags=0) at ../qemu-6.0.1/block/io.c:2086
#17 0x0000558534b661bc in bdrv_co_pwritev_part (child=0x558537cca780, offset=<optimized out>, 
    offset@entry=3867254784, bytes=<optimized out>, bytes@entry=4096, qiov=<optimized out>, 
    qiov@entry=0x7fad14046610, qiov_offset=<optimized out>, qiov_offset@entry=0, flags=flags@entry=0)
    at ../qemu-6.0.1/block/io.c:2270
#18 0x0000558534b576e1 in blk_do_pwritev_part
    (blk=0x558538885d60, offset=3867254784, bytes=4096, qiov=0x7fad14046610, qiov_offset=qiov_offset@entry=0, flags=0) at ../qemu-6.0.1/block/block-backend.c:1260
#19 0x0000558534b577cd in blk_aio_write_entry (opaque=0x7fad1401f880)
    at ../qemu-6.0.1/block/block-backend.c:1476
#20 0x0000558534c6845a in coroutine_trampoline (i0=<optimized out>, i1=<optimized out>)
    at ../qemu-6.0.1/util/coroutine-ucontext.c:173
#21 0x00007fad27830130 in __start_context () at ../sysdeps/unix/sysv/linux/x86_64/__start_context.S:90
#22 0x00007fad2347d570 in  ()
#23 0x0000000000000000 in  ()